query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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Gaisbock syndrome is better known as? | Gaisbock syndrome is characterised by secondary polycythemia. It occurs mainly in male sedentary individuals, on a high-calorie diet. Prevalence is unknown. The clinical picture includes mild obesity, hypeension and decrease in plasma volume with relative increase in hematocrit, blood viscosity, serum cholesterol, trig... | 3,200 | medmcqa_train |
After an incised wound, new collagen fibrils are seen along with a thick layer of growing epithelium. The approximate age of the wound is - | . 4-5 days | 3,201 | medmcqa_train |
Thyrotoxic periodic paralysis leads to extreme muscle weakness due to? | T3| T4| - Positive Na- K+ ATPase activity in the cells (3 Na outside 2 K+ inside) | K Influx | K| | Thyrotoxic Periodic Paralysis | 3,202 | medmcqa_train |
vitamin involved in 1 carbon metabolism | THFA is the carrier of One Carbon groups The folic acid is first reduced to 7,8-dihydrofolic acid and fuher reduced to 5,6,7,8-tetrahydrofolic acid (THFA) . Both reactions are catalyzed by NADPH dependent folate reductase. The THFA is the carrier of one-carbon groups. One carbon compound is an organic molecule that con... | 3,203 | medmcqa_train |
Snow blindness is caused by : | A i.e. Ultra violet rays | 3,204 | medmcqa_train |
Hyponatremia in multiple myeloma is | Pseudohyponatremia Patients with multiple myeloma also have a decreased anion gap because of the M component is cationic, resulting in retention of chloride This is often accompanied by hyponatremia that is felt to be aificial (pseudohyponatremia) because each volume of serum has less water as a result of the increased... | 3,205 | medmcqa_train |
Schiller-Duval bodies are seen in- | Yolk sac tumor of the testis: Raised a-fetoprotein level (AFP). Schiller-Duval bodies. Schiller-Duval body: It is the characteristic feature of the endodermal sinus tumor. This is a glomerulus-like structure composed of a central blood vessel enveloped by germ cells within a space lined by germ cells. Endodermal sinus ... | 3,206 | medmcqa_train |
Which one of the following disorders is related to sense of unreality? | Ans. A. Depersonalization disorderDepersonalization:Depersonalization is a sense of unreality or strangeness concerning the self, manifested by feeling detached from and being an outside observer of one's mental processes or body.A patient who experiences depersonalization may describe feeling like things "I have stepp... | 3,207 | medmcqa_train |
Floaters can be seen in following except | Black spots or floaters in front of the eyes may appear singly or in clusters. They move with the movement of the eyes and become more apparent when viewed against a clear surface e.g., the sky. Common causes of black floaters are: Vitreous hemorrhage Vitreous degeneration e.g., - senile vitreous degeneration, vitreo... | 3,208 | medmcqa_train |
Term psychoanalysis was coined by? | Ans. is 'b' i.e., Freud * The credit for invention of psychoanalysis belong to Sigmund FreudImportant contributors in psychiatryTermCoined by* Demence precoce* Moral Emil* Dementia precox* Kraepelin* Catatonia, cyclotymia* Kahlbaum* Hebephrenia* Hecker* Schizophrenia* Eugen Bleuler* Ambivalence* Eugen Bleuler* Free ass... | 3,209 | medmcqa_train |
CSOM with Picket fence fever is seen in | Sigmoid sinus thrombosis/lateral sinus thrombosis is an inflammation of inner wall of lateral venous sinus with formation of an intra sinus thrombus It occurs as a complication of chronic suppuration of middle ear or acute coalescent mastoiditis, and cholesteatoma Picket fence fever temperature never comes back to norm... | 3,210 | medmcqa_train |
Which dietary deficiency of a vitamin can cause Pellagra. | Some amino acids (isoleucine, tryptophan, phenylalanine, and tyrosine) are both glucogenic and ketogenic because their degradation pathway forms multiple products.a. Amino acids that are converted to pyruvate (see Figure I).(1). The amino acids that are synthesized from the intermediates of glycolysis (serine, glycine,... | 3,211 | medmcqa_train |
Good prognostic factor for schizophrenia is ? | Ans. is 'c' i.e., Presence of depression Good prognostic factors :- Acute onset; late onset (onset after 35 years of age); Presence of precipitating stressor; Good premorbid adjustment; catatonic (best prognosis) & Paranoid (2nd best); sho duration (< 6 months); Married; Positive symptoms; Presence of depression; famil... | 3,212 | medmcqa_train |
All drug inhibit bacterial cell wall synthesis EXCEPT | Spectinomycin is an aminocyclitol antibiotic that inhibits bacterial protein synthesis. The other drugs all inhibit bacterial cell wall synthesis. Vancomycin and bacitracin inhibit early steps in the biosynthesis of the peptidoglycan component of the cell wall, whereas 3-- lactams such as aztreonam (a monobactam), peni... | 3,213 | medmcqa_train |
Longest and thinnest extrocular muscle - | SO arises from the bone above and medial to the optic foramina. It runs forward and turns around a pulley- " the trochlea" and is inseed in the upper and outer pa of the sclera behind the equator. Ref;A.K.Khurana; 6th edition;Page no:336 | 3,214 | medmcqa_train |
Ribosomes has following enzymatic activity? | The formation of peptide bonds is catalysed by peptidyl transferase, an activity intrinsic to the 23 S r-RNA of 50 S subunit in prokaryotes and 28 S r-RNA of 60 S subunit in eukaryotes. So, it is referred to as ribozyme & indicates a direct role of r-RNA in protein synthesis. | 3,215 | medmcqa_train |
Inhibin inhibits the secretion of which hormone : | FSH | 3,216 | medmcqa_train |
True regarding traumatic facial nerve palsy is all, except | TRAUMA TIC FACIAL NERVE PARALYSIS 1. FRACTURES OF TEMPORAL BONE Fractures of temporal bone may be longitudinal, transverse or mixed. Facial palsy is seen more often in transverse fractures (50%). Paralysis is due to intraneural haematoma, compression by a bony spicule or transection of nerve. In these cases, it is impo... | 3,217 | medmcqa_train |
Mean Hb values in two population groups are compared by | Ref:Park's Textbook of Preventive and Social Medicine 25th Ed | 3,218 | medmcqa_train |
A chest physician performs bronchoscopy in the procedure room of the out patient depament. To make the instrument safe for use in the next patient waiting outside, the most appropriate method to disinfect the endoscope is by - | Glutaraldehyde is especially effective against the tubercle bacilli, fungi, and viruses. It is less toxic and irritant to eyes and skin than formaldehyde. It has no deleterious effects on the cement or lenses of instruments such as cystoscope and bronchoscopy It can be safely used to treat corrugated rubber,nanesthetic... | 3,219 | medmcqa_train |
Most important amino acid for formation Neutrophilic extracellular trap (NET) is | Conversion of arginine residues to Citrulline in the histones is an essential step in the formation of neutrophill extracillular traps. | 3,220 | medmcqa_train |
All muscles of the pharynx are supplied by pharyngeal plexus, EXCEPT? | With the exception of stylopharyngeus, which is supplied by the glossopharyngeal nerve, the muscles are supplied by the cranial pa of the accessory nerve the pharyngeal plexus. | 3,221 | medmcqa_train |
Mauriac's syndrome is characterized by all except | Ans. is 'd' i.e., Cardiomegaly Mauriac Sydrome Children with poorly controlled type I diabetes may develop Mauriac syndrome. It is characterized by : - Growth attenuation Delayed pubey Hepatomegaly Abnormal glycogen storage and steatosis Cushingoid features Rare in modern era of insuling therapy but is occasionlly repo... | 3,222 | medmcqa_train |
All of the following are true about Herpes group virus except- | Herpes viruses are susceptible to fat solvents like alcohilic ether chlorofirm and bike salts. REF:ANANTHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO:466 | 3,223 | medmcqa_train |
The diabetes control and complication trial (DCCT) provided definitive proof that reduction In chronic hyperglycemia helps to improve - | The Diabetes Control and Complications Trial (DCCT) found definitive proof that a reduction in chronic hyperglycemia can prevent many of the complications of type 1 diabetes mellitus (DM). This multicenter randomized trial enrolled over 1400 patients with type 1 DM to either intensive or conventional diabetes managemen... | 3,224 | medmcqa_train |
. True about polio is all except: | Vaccine induced polio" is usually due to Type 2 virus | 3,225 | medmcqa_train |
Bleomycin toxicity is characterized by destruction of: | Ans. b. Type I pneumocytes Bleomycin toxicity is characterized by destruction of Type I pneumocytes.Histopathotogy of Lung in Bleomycin Toxicity* Endothelial cell edema and blebbing* Necrosis of type 1 pneumocytes* Proliferation of fibroblast and fibrosis* Hyperplasia and metaplasia of type II pneumocytes* Inflammatory... | 3,226 | medmcqa_train |
A policemen foo..a a person ln ing unconscious in iglu lateral position on the road with superficial injury to the face, bruises on the right arm, and injury to the lateral aspect of right knee. Nerve most probably injured: | Ans. c. Common peroneal nerve Common peroneal nerve (L4, L5, Sl, S2) is the smaller terminal branch of sciatic nerve. The larger terminal branch of sciatic nerve is the tibial nerve. The common peroneal nerve is relatively unprotected as it traverses the lateral aspect of the head of fibula and is easily compressed at ... | 3,227 | medmcqa_train |
HLA B27 histocompatibility antigen is correlated With | REF:HARRISONS PRINCIPLE&;S OF INTERNAL MEDICINE 18TH EDITION | 3,228 | medmcqa_train |
Dileufloy's lesion is seen in - | Ans. is 'a' i.e., Stomach Dieulafoy's lesion* Dieulafoy's lesion is a medical condition characterized by a large tortuous arteriole most commonly in the stomach wall (submucosal) that erodes and bleeds.* It can cause gastric hemorrhage but is relatively uncommon. It is thought to cause less than 5% of all gastrointesti... | 3,229 | medmcqa_train |
All the following are complications of streptokinase, except | Ref Harrison 19 th ed pg 1605 Allergic reactions to streptokinase occur in ~2% of patients who receive it. While a minor degree of hypotension occurs in 4-10% of patients given this agent, marked hypotension occurs, although rarely, in association with severe allergic reactions. | 3,230 | medmcqa_train |
A 40-year-old patient is suffering from carotid body tumor. Which of the following is the best treatment for him? | Best treatment for a 40-year-old patient who is suffering from carotid body tumor is excision of tumor. CAROTID BODY TUMOR TREATMENT Because these tumors rarely metastasizeQand their overall rate of growth is slow, the need for surgical removal must be considered carefully as complication of surgery are potentially ser... | 3,231 | medmcqa_train |
Following may be seen in the exit wound: DNB 10; NEET 14 | Ans. Abrasion collar | 3,232 | medmcqa_train |
Substance which is not absorbed in the loop of Henle: March 2005 | Ans. B: Urea The descending pa of the thin segment of the loop of Henle is highly permeable to water and moderately permeable to most solutes and little or no active reabsorption. The thick ascending limb of the loop of Henle reabsorbs about 25% of the filtered loads of sodium, chloride and potassium as well as large a... | 3,233 | medmcqa_train |
A 28 year old woman, suffers from emotional liability and depression, about 10 days prior to her menses. She repos that once she begins to bleed, she feels back to normal. She also gives a history of premenstrual fatigue, bloating and breast tenderness. What would be the best treatment for the patient? | Fluoxetine is a selective serotonin Reuptake Inhibitor (SSRI) and SSRIs have shown the greatest efficiency in PMS treatment. Premenstrual syndrome (PMS), also called Premenstrual Tension (PMT), is a symptom complex, recognised primarily by cyclic changes, associated with ovulatory cycles. It occurs 7 to 14 days prior t... | 3,234 | medmcqa_train |
Which of the following statements about 'Multiple Pregnancies' is TRUE? | Twin peak or Lambda sign is seen in dichorionic diamniotic twin gestation. In this the chorion and amnion for each twin reflect away from the fused placenta to form an inter twine membrane. A space that exist in the intewine membrane is filled by proliferating placental villi giving rise to twin peak sign. Twin peak si... | 3,235 | medmcqa_train |
In hyponatremia following renal failure, serum sodium should be maintained at what levels ? | Hyponatremia in CKD population is associated with increased moality, but the effect on renal outcome was unknown.. Hyponatremia (serum sodium <120 mEq/L) was associated with excessive volume and volume depletion, measured as total body water by bioimpedance analysis, in diuretic users, but not in diuretic non-users Ref... | 3,236 | medmcqa_train |
True about VSD are all except – | Hemodynamics of VSD
A VSD results in shunting of oxygenated blood from left to right because left ventricle has more pressure than right → Left to right shunt.
Blood flow from left to right ventricle due to high pressure gradient → Pansystolic murmur and systolic thrill.
Because left ventricle starts contracting befor... | 3,237 | medmcqa_train |
Rapid change of presbyopic glass is a feature of | D i.e. Open angle glaucoma Conditions associated with altered refraction Feature Found in Frequent change of presbyopic glasses Open angle glaucoma Q Second sight/ Myopic Shift/Improvement in near vision Senile immature nuclear cataract Fluctuation of refractory error Diabetic cataract Frequent change of glasses Coical... | 3,238 | medmcqa_train |
Alopecia areata is not associated with which of the folllowing condition? | Alopecia areata may be associated with atopy, downs syndrome, vitiligo, pernicious anemia, myxedema , diabetes or hypeension in the family. Sho,1-2 mm fractured hairs can frequently be seen at the active margins of alopecia areata. These hairs are described as exclamation mark hairs because these characteristic hairs f... | 3,239 | medmcqa_train |
Risk of mother to child HIV transmission in pregnant woman at the time of delivery, and after delivery in non breast feeding woman is | HIV transmission in absence of intervention:
MTCT of HIV in developed countries: 20% (15-25%)
MTCT transmission of HIV in developing countries: 30% (25-35%) | 3,240 | medmcqa_train |
True about receptor potential is? | ANSWER: (D) Is a graded changeREF: Textbook of Medical Physiology by Khurana page 1032-1033, Physiology - Prep Manual for Undergraduates, 4th Edition by Vijaya D Joshi page 562, Ganongs 22nd ed p. 123-125When a stimulus excites the receptor, it changes the potential across the membrane of the receptors. This change in ... | 3,241 | medmcqa_train |
Condition required for autoclave is? | Autoclave: Recommended condition- 121–124°C temperature for 15 min at 1.1 bar pressure
Alternate: 134–138°C temperature for 3 min at 2.2 bar pressure
Hot air oven: 160°C temperature for 120 min or 180°C temperature for 30 min | 3,242 | medmcqa_train |
An obese, diabetic patient with hypertension who is also a smoker, currently on anti-hypertensive and OHA drugs presents with complains of apnea during night. Polysomnography reveals 5 apneic episodes and 1 hypoapneic episode in one hour. What will be best next line of management is: (E. REPEAT 2007) | Ref: Harrison's Principles of Internal Medicine. 18th edition, Page 2188Explanation:OSAHS is defined as the coexistence of unexplained excessive daytime sleepiness with at least five obstructed breathing events (apnea or hypopnea) per hour of sleep.EPWORTH SLEEPINESS SCOREHow often are you likely to doze off or fail as... | 3,243 | medmcqa_train |
Blue sclera is seen in - | Ans. is 'b' i.e., Osteogenesis imperfect * Blue scleral discoloration is caused by thinning or transparency with resultant visualization of the underlying uvea.* Causes of blue sclera are: Osteogenesis imperfecta, Marfan syndrome, Ehler - Danlos syndrome, Pseudoxanthoma elasticum. | 3,244 | medmcqa_train |
A 3 year graduate MBBS programme was suggested by which committee? | HLEG Recommendations
High Level Expert Group (HLEG, Planning Commission, GOI) on Universal health Coverage has suggested 3½ year MBBS course for serving rural population
HLEG was developed for XII Five Year Plan
Rural doctors will be called as ‘Community Health Officers’
3½ Degree given: B.Sc. Community Health | 3,245 | medmcqa_train |
Quinidine exes action on hea by | Refer katzung 11e p 237 * Mechanism of action Like all other class I antiarrhythmic agents, quinidine primarily works by blocking the fast inward sodium current (INa). ... The effect of blocking the fast inward sodium current causes the phase 0 depolarization of the cardiac action potential to decrease (decreased Vmax)... | 3,246 | medmcqa_train |
In the beginning of resuscitation effos, 0.5 mg of epinephrine is administered subcutaneously. Which adrenergic receptors, in which tissues, are responsible for the beneficial effect of epinephrine in this patient? | Epinephrine is a non selective adrenergic agonist and a valuable resuscitative drug because of its effects at multiple adrenergic receptor subtypes. In the treatment of anaphylaxis, epinephrine increases myocardial contractility, accelerates hea rate, causes constriction of vascular smooth muscle, and causes relaxation... | 3,247 | medmcqa_train |
Residul lung volume increased in | (B) Emphysema# FACTORS AFFECTING FRC> FRC Increases with: Increased height Erect position (30% more than in supine) Decreased lung recoil (E.g. emphysema)> FRC Decreases with: Obesity, Muscle Paralysis (especially in supine) Restrictive lung disease (E.g. Fibrosis, Pregnancy) Anaesthesia FRC does not change with age> E... | 3,248 | medmcqa_train |
What is the most probable diagnosis for on the x-ray of a 20 year old female who came with knee swelling | Sunburst appearance of Osteosarcoma Sunburst appearance is a type of periosteal reaction giving the appearance of a sunburst secondary to an aggressive The sunburst appearance occurs when the lesion grows too fast and the periosteum does not have enough time to lay down a new layer and instead the It is frequently asso... | 3,249 | medmcqa_train |
Which among the following is true about atrial myxoma? | Atrial myxomas are the most common primary hea tumors, and 75-85% occurs in the left atrial cavity. The most common site of attachment is at the border of the fossa ovalis in the left atrium. Although atrial myxomas are typically benign, local recurrence due to inadequate resection or malignant change has been repoed. ... | 3,250 | medmcqa_train |
For the following statements, select whether it is applicable to any or all of the below medications.Inhibition of angiotensin converting enzyme I (ACE I) | Enalapril may exert its effect by inhibiting formation of angiotensin II. This lowers systemic vascular resistance. In addition, ACE inhibitors have a natriuretic effect by inhibition of aldosterone secretion. They have been shown to improve mortality and decrease hospitalization in patients with CHF. | 3,251 | medmcqa_train |
Lesion of optic tract causes? | Ans. (d) Homonymous hemianopiaRef.: Harrison's 19th ed. /198-199* Unilateral optic nerve lesion: Unilateral blindness* Binasal hemianopia: Bitemporal optic chiasma lesion. Two different lesions compressing the chiasma from the lateral parts.* Bitemporal hemianopia: Binasal retinal damaged optic chiasmal lesion. Commone... | 3,252 | medmcqa_train |
Who coined term anaesthesia | Oliver Wendell Holmes coined the term anesthesia. In 1846, Holmes coined the word anesthesia. In a letter to dentist William T. G. Moon, the first practitioner to publicly demonstrate the use of ether during surgery, he wrote: "Everybody wants to have a hand in a great discovery. All I will do is to give a hint or two ... | 3,253 | medmcqa_train |
A 55-year-old man presents with recurrent epigastric pain. Upper GI endoscopy and gastric biopsy reveal a neoplastic, lymphocytic infiltrate invading glandular tissue. Giemsa staining is positive for Helicobacter pylori. Which of the following is the most likely diagnosis? | Diagnosis: Marginal zone lymphoma, MALT lymphoma Marginal Zone Lymphoma is an indolent tumor develop due to chronic B cell stimulation either by H.pylori or Auto immune disorders Translocation (11:18) involved | 3,254 | medmcqa_train |
Maintenance of high urinary pH is important during methotrexate treatment because: | Methotrexate is a weak acid and is reabsorbed in acidic urinary pH. Higher plasma concentration may result in toxicity. Therefore, to decrease the reabsorption through renal tubules, high urinary pH must be maintained. | 3,255 | medmcqa_train |
Which of the following statement is true regarding Atazanavir:- | Atazanavir is effective against both against HIV 1 and HIV 2 but NNI are effective only against HIV 1. They do not decrease cholesterol and triglyceride levels. Combination with ritonavir have an advantage due to the phenomenon of Ritonavir boosting. The resistance is due to mutation in codon 50 isoleucine to valine su... | 3,256 | medmcqa_train |
Cerebrosides consist mostly of this | Both glucocerebrosides and galacto cerebrosides are present however galactocerebrosides are most commonly seen on neural cells and are abundant | 3,257 | medmcqa_train |
Bence Jone's Protein is: March 2005 | Ans. B: Monoclonal light chains A Bence Jones protein is a monoclonal globulin protein found in the blood or urine, with a molecular weight of 22-24 kDa. The proteins are immunoglobulin light chains (paraproteins) and are produced by neoplastic plasma cells. They can be kappa (most of the time) or lambda. The light cha... | 3,258 | medmcqa_train |
Risk factors for gonococcal infection is all except | Age < 24 years is a risk factor. | 3,259 | medmcqa_train |
Which of the following best defines the "Saccade"- | Saccades are sudden, jerky conjugate eye movements that occur as the gaze shifts from one object to another. Supranuclear eye movement systems include : Saccadic system Smooth pursuit system Vergence system Vestibular system Optokinetic sysytem Position maintenance system Ref;A.K.Khurana;6th edition; Page no: 341 | 3,260 | medmcqa_train |
Inclusion conjunctivitis is caused by- | Ans. is 'a' i.e., Trachoma Adult inclusion conjunctivitiso It is a type offollicular conjunctivitis caused by serotypes D to K of chlamydia trachomatis-in sexually active young adults.o The primary source of infection is urethritis in males and cervicitis in females.o Transmission may occur either through contaminated ... | 3,261 | medmcqa_train |
A 25 years old male smoker presents with high grade fever with chills and severe right sided pleuritic chest pain and cough with expectoration physical examination of the patient is likely to show | This is the case of pneumonia shows signs of consolidation lung :
Reduced thoracic movements.
Increased vocal fremitus and vocal resonance.
Dull note on percussion.
Bronchial breath sounds. | 3,262 | medmcqa_train |
All except one is continued prior to elective caesarean section in an hypertensive diabetic term gestation, obese female who is a case of chronic aorto iliac obstruction. | Heparin is stopped 6 hours priorly. Rest all drugs need to be continued till day of surgery. | 3,263 | medmcqa_train |
Triple bonds are found between which base pairs | Adenine is always paired with thymine by the formation of two hydrogen bonds. Guanine is always paired with cytosine by the formation of three hydrogen bonds.
Thus, the C-G bonds are more resistant to denaturation. | 3,264 | medmcqa_train |
Which is not an effect of atropine? | ANSWER: (C) BradycardiaREF: KDT 4th Ed p. 94EFFECTS OF ATROPINE:CNS* Stimulates medullary , vasomotor and respiratory center* Depresses vestibular excitation , hence anti motion sickness* Suppresses cholinergic activity in basal ganglia, hence decreases tremor.* High doses may cause cortical excitation , restlessness ,... | 3,265 | medmcqa_train |
An expectant mother feels quickening at: | Ans. is b, i.e. 16-20 weeksRef. Dutta Obs 9/e, p 63: Reddy 27/e, p 434"Quickening (feeling of life) denotes the perception of active fetal movements by the women. It is usually felt about the 18th week Q, 2 weeks earlier in multiparae. Its appearance is a useful guide to calculate the expected date of delivery with rea... | 3,266 | medmcqa_train |
All of the following are causes of Renal Vein Thrombosis, Except: | Answer is D (PSGN): Post streptococcal Glomerulonephritis has not been mentioned as a cause of Renal Vein thrombosis Nephrotic Syndrome: Common Renal pathologies causing Renal Vein Thrombosis Membranous Glomerulonephritis (strongest association) Membranoproliferative Glomerulonephritis Amyloidosis Lupus Nephritis (Thro... | 3,267 | medmcqa_train |
Drug which do not cause hyperprolactinemia: | Ans. A. BromocriptineAll of the drugs listed are D2 blockers which are associated with hyperprolactinemia except bromocriptine which is D 2 agonist. | 3,268 | medmcqa_train |
All of the following are indicators of air pollution except | Soiling index or smoke index is used to monitor air pollution. Best indicators of air pollution are sulfur dioxide, smoke index, grit and dust measurement, coefficient of haze and Air pollution index. Smoking index is measured by multiplying the number of cigarettes smoked per day by the number of years the person has ... | 3,269 | medmcqa_train |
Sex determination in early pregnancy Is done by: | Ultrasound | 3,270 | medmcqa_train |
What is the rate of release of levonorgestrel into the uterus from Mirena, a progestin releasing intrauterine device? | Mirena is a progestin releasing device, it releases levonorgestrel into the uterus at a rate of 20 microgm/d. It has a T-shaped radiopaque frame, with its stem wrapped with a cylinder reservoir, composed of a polydimethylsiloxane-levonorgestrel mixture. Cu T 380A is another progestin releasing device. It has a polyethy... | 3,271 | medmcqa_train |
Which of the following can be givenorally - | Ans. is 'd' i.e., Mesna o MESNA is given alongwith alkylating agents to prevent nephrotoxicity due to cyclophosphamide. o It can be administered intravenously or orally. Cytarabine Cytarabine (Ara C) is degraded by the enzyme cytidine deaminase. Cytidine deaminase is present in high concentrations in g.i. tract therefo... | 3,272 | medmcqa_train |
Which of these is true regarding CML - | Ans. is 'a' i.e., Size of splenomegaly indicates prognosis SOKAL INDEX is used for assessing the prognosis in CML. It includes 1. % of circulating blasts 3. platelet count 5. cytogenetic clonal evaluation 2. spleen size 4. age o The cytogenic hallmark of CML is presence of philadelphia chromosome (9:22). It is present ... | 3,273 | medmcqa_train |
Disulfiram like reaction is commonly caused by which of the following: March 2005 | Ans. B: Metronidazole Drugs causing Disulfiram like reaction Metronidazole Cefamandole Cefoperazone Chlorpropamide Sulfonylureas Quinacrine Griseofuvin Chloramphenicol Tinidazole Procarbazine Ritonavir Nitrofurantoin Chloramphenicol Chloral hydrate | 3,274 | medmcqa_train |
Best Prognostic factor for head injury ? | Glassgow Coma Scale (GCS) Maximum score - 15, minimum score - 3 Best predictor of outcome : Motor response Patients scoring 3 or 4 have an 85% chance of dying or remaining vegetative, while scores above 11 indicate only a 5-10% likelihood of death Table given as image Ref : Harrison's 19th edition Pgno :1777 | 3,275 | medmcqa_train |
Urea cycle components are all except | l-Ornithine transcarbamoylase (EC 2.1.3.3) catalyzes transfer of the carbamoyl group of carbamoyl phosphate to ornithine, forming citrulline and ohophosphate. Argininosuccinate synthase (EC 6.3.4.5) links aspaate and citrulline the amino group of aspaate (reaction 3, Figure 28-16) and provides the second nitrogen of ur... | 3,276 | medmcqa_train |
A 36-year-old woman with pneumococcal pneumonia develops a right pleural effusion. The pleural fluid displays a high specific gravity and contains large numbers of polymorphonuclear (PMN) leukocytes. Which of the following best characterizes this pleural effusion? | -The pleural effusion encountered in this patient represents excess fluid in a body cavity. Transudate-Edema fluid with low protein content Exudate-Edema fluid with high protein content. Purulent exudate or effusion contains a prominent cellular component (PMNs). Serous exudate or effusion is characterized by the absen... | 3,277 | medmcqa_train |
Which of the following type of cell is concerned with the production of surfactant? | Pulmonary surfactant composed of myelin and lecithin is mainly secreted continuously by Type II pneumocyte beginning from 20th week of gestation. Also Know: Surfactant has both lipid (90%) and protein (10%) component. About half of the lipids are dipalmitoylphosphatidylcholine and the remaining are phosphatidylglycerol... | 3,278 | medmcqa_train |
Gene responsible for FAP is located at | Familial adenomatous polyp(FAP) is inherited as an autosomal dominant neoplastic condition (chromosome 5q21). It has a high potential for malignant transformation. It presents in younger age group- 15-20 yrs; equal in both sexes. It commonly involves the large intestine but can also occur in stomach, duodenum and small... | 3,279 | medmcqa_train |
The most impoant function of epithelioid cells in tuberculosis is - | Epithelioid cells. These are so called because of their epithelial cell-like appearance, are modified macrophages/ histiocytes which are somewhat elongated, having a vesicular and lightly-staining slipper-shaped nucleus, and pale staining abundant cytoplasm with hazy outlines so that the cell membrane of adjacent epith... | 3,280 | medmcqa_train |
Developmental depressions on both mesial and distal sides of roots are seen in: | Deep concavities on distal surface are present in – Maxillary 1st premolar
Deep concavities on distal surface are present in – Maxillary 1st molar
Developmental depressions on both mesial and distal sides of roots are seen in – Mandibular central incisors, upper canines, mesial root of mandibular 1st molar. | 3,281 | medmcqa_train |
Biological Methods of Treatments in Psychiatry include all except | (D) Aversion therapy # Biological Methods of Treatments in Psychiatry include:> Older methods (no longer used in clinical practice): Malarial treatment for general paralysis of insane Insulin coma therapy Atropine coma therapy Continuous sleep treatment Sub-convulsive ECT Chemical convulsive therapy Sleep deprivation M... | 3,282 | medmcqa_train |
Cardiomyopathy is/are due to deficinency of: | Ans.: A (Selenium) ' Selenium deficiency causes Keshan disease(endemic cardiomyopathy)"Shinde 7th/594Possible causes of cardiomyopathy include; www.may- odinic.com/heaith/cardiomyopa thy/DS00519/DSECTION# Long-term high blood pressure# Defects in heart valve# Heart tissue damage from a previous heart attack# Chronic ra... | 3,283 | medmcqa_train |
The following is lure for Mycoplasmas except: | GENERAL CHARACTERISTICS OF MYCOPLASMAS: Very small(0.2-0.3 um) . Can pass through bacterial filters. Lack a rigid cell wall. Bound by a single trilaminar cell membrane that contains a sterol. Extremely pleomorphic varying in shape from coccoid to filamentous to other bizzare forms. Mycoplasma, Ureaplasma, Spiroplasma a... | 3,284 | medmcqa_train |
The most common cause of Anovulation is: | WHO Classification for Anovulation Hypothalamic pituitary failure: Hypogonadotropic Hypogonadism Hypothalamic pituitary dysfunction/PCOS: Normogonadotropic Hypogonadism Ovarian failure: Hypergonadotropic Hypogonadism Hyperprolactinemia Anovulation and ovulatory dysfunction can be caused by a number of factors. The most... | 3,285 | medmcqa_train |
Which of the following Artery supplies the thyroid gland? | Arterial Supply of thyroid gland:-
Mainly supplied by:
Superior thyroid arteries (this is branch of external carotid artery)
Inferior thyroid arteries (this is a branch of the thyrocervical trunk that arises from the subclavian artery) | 3,286 | medmcqa_train |
Which of the following inhibits rate limiting step of Norepinephrine synthesis | Metyrosine inhibits tyrosine hydroxylase enzyme, which mediates the rate limiting step of norepinephrine synthesis (i.e conversion of Tyrosine to Dopa). | 3,287 | medmcqa_train |
Dye is injected in one of the extremities in a child and is followed by pain and swelling of upper limb, paraesthesias of fingers, stretch pain and normal peripheral pulses, management is: | (d) Fasciotomy- As patient is clinically a case of compartment syndrome -pain on passive stretch and he has paraesthesias so fasciotomy is indicated.- Remember Pulses can be normal in compartment syndrome. | 3,288 | medmcqa_train |
Number of holes per square inch of a standard mosquito net is? | ANSWER: (B) 150REF: Park 20th edition page 678"The size of the opening of mosquito net is of utmost importance- the size should not exceed 0.0475 inch in any diameter. The number of holes in one square inch is usually 150" | 3,289 | medmcqa_train |
Bronchial secretion secretes - | In its secretory form, IgA is the main immunoglobulin found in mucous secretions, including tears, saliva, sweat, colostrum, and secretions from the genitourinary tract, gastrointestinal tract, prostate, and respiratory epithelium. It is also found in small amounts in the blood Ref: Ananthanarayan & Parker's textbook o... | 3,290 | medmcqa_train |
Primary' Health Care includes all, except - | Ans. is 'a' i.e., Proper housing Primary heath careo "Primary health care is essential health care made universally accessible to individuals and acceptable to them, through their full participation and at a cost the community and country: can afford."o There are 4 main principles of primary health care :Equitable dist... | 3,291 | medmcqa_train |
All of the following are attached to the greater trochanter of femur, EXCEPT? | The greater trochanter provides attachment for the smaller gluteal muscles. Gluteus minimus is attached to its rough anterior impression and gluteus medius to its lateral oblique strip. The bone is separated from the tendon of gluteus medius by a bursa. The area behind is covered by deep fibres of gluteus maximus, with... | 3,292 | medmcqa_train |
16-year-old girl with sho height, amenorrhea with widely spaced nipple. Karyotyping is; | Given features suggests the diagnosis of Turner's syndrome. Turner's syndrome Most common sex chromosomal disorder in phenotypic females. Results from complete or paial loss of one X chromosome (45, XO) Features: Sho stature Coarctation of aoa Cubitus valgus Streak ovaries, infeility, amenorrhea Peripheral lymphedema a... | 3,293 | medmcqa_train |
A person presented with swelling of the right 3rd toe. X ray shows deposition of multiple crystals. A defect in which of the following pathway caused the problem. | The probable diagnosis is gout . Gout is the most common inflammatory ahritis in men and in older women. It is caused by deposition of monosodium urate monohydrate crystals in and around synol joints due to abnormal purine metabolism . Ref Davidsons 23e p1013 | 3,294 | medmcqa_train |
Following are the major symptoms of obsessive compulsive disorders - | Ans. is 'd' i.e., All the above o OCD has four major symptom patterns1) Contamination:- Contamination is the most common pattern of an obsession followed by washing (washer). Patients may literally rub the skin of their hands by excessive hand washing. The most common emotional response is anxiety.2) Pathological doubt... | 3,295 | medmcqa_train |
True about vertebral artery -a) Enter skull through condylar canal.b) Branch of internal carotid arteryc) Branch of subclavian arteryd) Accompany sympathetic ganglione) Passes through foramen transversarium of cervical vertebrae | Vertebral artery enters skull (posterior cranial fossa) through foramen magnum.
Vertebral artery is a branch of subclavian artery.
It is accompanied by sympathetic peri-arterial plexus, inferior cervical (stellate) sympathetic ganglion and ventral rami of 7th and 8th cervical spinal nerves.
Vertebral artery passes thro... | 3,296 | medmcqa_train |
Bristol cha is used fore | Answer- A. Stool consistencyThe Bristol stool scale(Bristol stool cha (BsC)) is a diagnostic medical tool designed to classifr the form of human feces into seven categories.The seven types ofstcol areType 1 Separate hard lumps, like nuts (hard to pass); also known as goat faecesType 2: Sausage-shaped but lumpyType 3: L... | 3,297 | medmcqa_train |
2 yrs child weighing 6.7 Kg presents in the casualty with history of vomiting and diarrohea for last 2 days. On examination skin pinch over the anterior abdominal wall go quickly to its original position. Interpretation of skin-pinch test in this child will be: | Skin pinch is less useful in infants or children with marasmus (wasting) or kwashiorkor (severe malnutrition with edema), or obese children. Ref: Kliegman, Behrman, Jenson, Stanton, (2007), Chapter 85, "Fluid and Electrolyte Treatment of Specific Disorders", In the book, "Nelson's Textbook of Pediatrics", Volume 1, 18t... | 3,298 | medmcqa_train |
Middle superior alveolar nerve is a branch of which of the following nerve? | Middle superior alveolar nerve arise from infra orbital branch of maxillary nerve in the infra orbital groove and canal.Course of superior alveolar nerve:It is given off from the maxillary nerve just before its exit from the infra orbital foramen. It descends in a canal in the anterior wall of the maxillary sinus, and ... | 3,299 | medmcqa_train |
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