query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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Urticarial lesions are best described as- | Ans. d. EvanescentWheal/hives are evanescent (last for short duration) lesions | 12,200 | medmcqa_train |
Epidemic Kaposi sarcoma in HIV is caused by ? | Ans c (Herpes group of virus) ref Table 124-2 Harrison puge no:823 * Kaposi's sarcoma, body-cavity lymphomas-HHV-8 * Epidemic Kaposi sarcoma is AIDS related Kaposi sarcoma Malignancies associated with AIDS are: non-Hodgkin's lymphoma Hodgkin's disease multiple myeloma leukemia melanoma cervical, brain, testicular, oral... | 12,201 | medmcqa_train |
Positive indicator of health ? | Ans. is 'd' i.e., Life expectancy | 12,202 | medmcqa_train |
Fibroid uterus may present with all of the following except? | Amenorrhea is the absence of a menstrual period in a woman of reproductive age.
Physiological states ofamenorrhoea are seen, most commonly, during pregnancy and lactation (breastfeeding), the latter also forming the basis of a form of contraception known as the
lactationalamenorrhoea method. | 12,203 | medmcqa_train |
A female patient presented with a firm mass of 2 x 2 cms in the upper outer quadrant of the breast. She gives a family history of ovarian carcinoma. The investigation that needs to be done to assess for mutation is : | Ans. is 'b' BRCA 2 "In women with hereditary breast - ovarian cancer, two susceptibility loci have been identified:BRCA -1 - located on chromosome 17 andBRCA - 2 - located on chromosome 13" - Harrison, 15/e, p620 | 12,204 | medmcqa_train |
Conticosteroids are absolutely contraindicated in the following type of tuberculosis: | (Ref: KDT 6/e p749) Coicosteroids are absolutely contra-indicated in intestinal TB due to risk of perforation. | 12,205 | medmcqa_train |
Which of the following is a cause of secondary angle closure glaucoma? | (Refer: AK Khurana Comprehensive Ophthalmology, 6th edition, pg no. 249 - 251)Causes of secondary angle closure glaucomaPupillary block: uveitis, pseudophakiaAngle fibrosis: neovascular glaucoma | 12,206 | medmcqa_train |
Most common site of rhabdomyosarcoma is? | Orbit REF: Sabiston 18th ed chapter 71 The most common primary sites for RMS are the head and neck (parameningeal, orbit, pharyngeal), the genitourinary tract, and the extremities Rhabdomyosarcoma is the most frequent soft tissue sarcoma in the pediatric population and is the most common sarcoma occurring in the head a... | 12,207 | medmcqa_train |
Cystosarcoma phyllodes is treated by: | Ans. (a) Simple mastectomy(Ref: Bailey and Love 807 /26th edition)* In Phyllodes tumor - Axillary dissection is not needed as there in no nodal mets | 12,208 | medmcqa_train |
True about childhood tumor are all except ? | Ans. is 'd' i.e., Pleomorphic rhabdomyosarcoma There are four histological rhabdomyosarcoma : ? i) Embryonal type (60%) ii) Botryoid type is a type of embryonal form Common in childhood iii) Alveolar type (15%) Pleomorphic type (adult form) is rare in childhood and accounts for only 1% of cases. o Wilm's tumor, neurobl... | 12,209 | medmcqa_train |
Erythema nodosum is due to – a) Contraceptive pillsb) Barbituratesc) Penicillind) Sulphonamides | Causes of Erythema nodosum
Idiopathic
Bacterial: - Streptococci, TB, Leprosy (ENL), LGV, yersinia, mycoplasma, Rickettsia, Cat scratch disease.
Fungal: - Coccidioidomycosis, Histoplasmosis, Trichophyton.
Viral : - HBV, HIV
Drugs : - Sulfonamides, iodides, oral contraceptives.
Systemic diseases : - IBD (Ulcerative colit... | 12,210 | medmcqa_train |
Skin lesions following visceral leishmaniasis present as - | Ans. is 4b' i.e., Hypopigmented macules Post kala azar dermal leishmaniasis (PKDL)o Late manifestation. Appears 2 years or more after recovery from visceral leishmaniasiso Appear due to inadequate cellular immunity against a dermatophytic variant of L. donavani.o Pin point hypo to de-pigmented macules starting from fac... | 12,211 | medmcqa_train |
Which of the following is the binding site of organophosphorous compounds | Ref: HL Sharma 3rd ed: Pg no:147 OP compounds binds to esteric site of ACHE carbamates binds to both anionic and esteric sites of ACHE oximes binds to anion site of ACHE | 12,212 | medmcqa_train |
A 4-year-old child with blue sclera and a history of multiple fractures with minimal trauma. For the mention disorder, select the serum concentration of calcium (Ca2+) and phosphate (PO4) with which it is most likely to be associated. | Osteogenesis imperfecta (blue sclera, easily broken bones with minimal trauma) is transmitted as an autosomal recessive (severe form) or, more commonly, autosomal dominant (milder form) disorder. The basic defect is an abnormality in the production and composition of the matrix of bone. Serum calcium and phosphate conc... | 12,213 | medmcqa_train |
Facial nerve supplies all except | Facial nerve supplies posterior belly of digastric muscle | 12,214 | medmcqa_train |
Antiperistalsis is seen in - | • Right colon is the fermentation chamber of the human GI tract
• Bacteria are most metabolically active in cecum
• Left colon is a site of storage and dehydration of stool. | 12,215 | medmcqa_train |
Serum amylase is NOT raised in | (D) Ruptured ovarian cyst > Appendicitis alone does not cause increased amylase. Perforated appendix, may be associated with increased amylase.> Abdominal disorders associated with increased amylase levels include> Biliary tract disease: Cholecystitis Choledocholithiasis> Intra-abdominal disease: Perforating or penetra... | 12,216 | medmcqa_train |
Which of the following is a potassium channel opener? | Ans. (A) Nicorandil(Ref: Harrison 12th/1862)Nicorandil is the agent that causes coronary dilation by activating myocardial ATP sensitive K+ channels. Inaddition it possesses NO releasing property; to which tolerance does not develop. | 12,217 | medmcqa_train |
70 kg man was given a drug in the dose of 100 mg/kg body weight. It's t1/2 is 10hours, initial plasma concentration is 1.9mg/ml. True statement is | In this patients total dose of drug administered =70 x 100 mg = 7000 mg Plasma concentration is 1.9 mg/ml Total dose administered So, volumeof distribution (Vd)= Total dose administered /Plasma concentration =7000/1.9 Again, t/2 =0.693 x(Vd/CL) Where, Vd= Volume of distribution CL = Clearance Thus, CL= 0.693x(V/t1/2) =... | 12,218 | medmcqa_train |
Which of the following glycolytic enzyme does not catalyze irreversible step - | Ans. is 'b' i.e., Phosphoglycerate kinase o Irreversible steps are catalyzed by Glucokinase / Hexokinase, phosphofructokinase-I, and pyruvate kinase.o Reversible steps are catalyzed by Phosphohexose isomerase, aldolase, phosphotriose isomerase, glyceraldehyde 3-phosphate dehydrogenase, phosphoglycerate kinase, phosphog... | 12,219 | medmcqa_train |
"Lyre sign" is a feature of: | "Lyre sign" is splaying of internal and external carotid arterics because of carotid body tumor, seen on carotid angiogram. | 12,220 | medmcqa_train |
Pin code index of N2O is | PIn index provides prevention of wrong attachments of cylinders . N20 - 3 ,5 O2 - 2 , 5 C02 (Gas) - 1 ,6 . ( Liquid below 88F ) 2 , 6 ; Cyclopropane 3 , 6 . | 12,221 | medmcqa_train |
All of the following are examples of definite airways, except: | C i.e. Laryngeal Mask airway Airways Definitive- Airway Tracheal tubes (endotracheal tubes)ie Oral (oro-tracheal) tubesQ - Nasal (naso-tracheal) tubesQ - Tracheostomy tubesQ - Cuffed murphy tracheat tubes, Cole uncuffed pediatric TT, Spiral embedded tubes, Hunsaker Mon-Jet ventilation tube, laryngectomy tube, microlary... | 12,222 | medmcqa_train |
True about klinefelter syndrome is | Answer- D. Pubey is attained at normal ageKLINEFELTER SYNDROMEKlinefelter syndrome is the most common chromosomal disorder associated with male hypogonadkm anit infeitity.It is defined classically by a 47, XXY karyotype with variants demonstrating additional X and Y chromosomes.Pathophysiology:The addition of more than... | 12,223 | medmcqa_train |
The quantity of globin chain synthesis is reduced in | Heme Synthesis. Heme is synthesized in a complex series of steps involving enzymes in the mitochondrion and in the cytosol of the cell (Figure 1). The first step in hemesynthesis takes place in the mitochondrion, with the condensation of succinyl CoA and glycine by ALA synthase to form 5-aminolevulic acid (ALA) Ref Rob... | 12,224 | medmcqa_train |
Dying declaration can be recorded by | (D) All of the above # Dying Declaration:> Dying declaration can be recorded by Magistrate, Police officer, Doctor, Village headman or any person present during death.> If there is time ideally a magistrate should be called to record the dying declaration.> Dying declaration should be recorded in the man's own words an... | 12,225 | medmcqa_train |
All of the following are histological features of Hashimoto thyroiditis, except: | All of the above histological features are of Hashimoto thyroiditis except Orphan Annie eye nuclei - It is seen in papillary carcinoma of thyroid. Hashimoto thyroiditis: Autoimmune disease that is caused by immune response to thyroid autoantigens. Painless enlargement of the thyroid often in middle age women M/C cause ... | 12,226 | medmcqa_train |
Active paner in lesbianism is called as | Ans. d. Dyke The active paner in lesbianism is known as 'butch' or 'dyke' and the passive agent is called as 'femme'. Dyke or Butch Active paner in lesbianismQ Femme Passive agent in lesbianismQ Buggery or sodomy Anal intercourse between two malesQ Catamite When passive agent is a childQ | 12,227 | medmcqa_train |
Lyre sign in seen in | Lyre sign is an angiographic finding seen in carotid body tumour of the neck. There is splaying apa of internal and external carotid aeries on angiogram. Ref: Diseases of Ear, Nose and Throat by P.L. Dhingra, 9th edition, p460. | 12,228 | medmcqa_train |
Difference between it Ispensary and PHC is that a PHC – | Primary health centers provide, as close to the people as possible, an integrated, curative and preventive health care to the rural population, with emphasis on preventive and primitive aspects of health care.
The functions of a PHC are integrated in such a way so as to provide a variety of "Essential" elements of prim... | 12,229 | medmcqa_train |
The primary active step for sodium reabsorption in the proximal tubule involves: | Sodium transpo the Na-K-ATPase at the basolateral membrane. This is the only transpo step for sodium in the proximal tubule that involves the direct input of energy to move sodium against its electrochemical gradient (in this case from the inside of the cell to the outside). | 12,230 | medmcqa_train |
Most commonly used approach to brachial Plexus block? | Supraclavicular is the most commonly used approach to brachial Plexus block.The supraclavicular approach to the brachial plexus characteristically is associated with a rapid onset of anaesthesia and a high success rate.The supraclavicular approach has more even distribution of local anaesthesia. | 12,231 | medmcqa_train |
Somites are derived from __________ mesoderm: | The intraembryonic mesoderm splits into –
Paraxial – forms Somites.
Intermediate plate - give rise to the Genital & Urinary system
Lateral plate - encloses a cavity called the intraembryonic coelom, which further forms the pericardial, peritoneal & pleural cavities. | 12,232 | medmcqa_train |
Atenolol is indicated in all except | Ans. (B) Partial heart block(Ref: KDT 8th/e p160-161)b -blockers are contraindicated in partial or complete heart block as they cause bradycardia. | 12,233 | medmcqa_train |
Choledochal cyst | Carcinoma in Choledochal cyst More than half tumors occur within the cyst itself(intracystic) and may recur after cyst excision Risk of malignancy is decreased after cyst excision, but risk persist even after cyst excision Type I and IV cysts have highest risk of cancer When present most commonly seen along posterior c... | 12,234 | medmcqa_train |
Alkylating agents can cause: | Alkylating agent: Acute myelocytic leukemia, bladder cancer.
Androgens: Prostate cancer. | 12,235 | medmcqa_train |
Voissus ring is seen in: | Anterior capsule | 12,236 | medmcqa_train |
A 45-year-old male with history of recurrent ureteric calculi presented with fever. Right-sided nephrectomy was performed. Gross view and histology have been provided. What is your diagnosis? | Ans. a. Chronic pyelonephritis with hydronephrosis (Ref: Robbins 9/e p933-935, 8/e p943-961)In a 45-year old male with history of recurrent ureteric calculi, who presented with fever: Right-sided nephrectomy was performed. Grossly kidney shows hydronephrosis with evidence of scarring. Microscopically changes predominan... | 12,237 | medmcqa_train |
Myocardial uptake gated acquisition scan (MUGA) is done for – | MUGA scan can assess the degree of damage to the myocardium following a MI. More importantly, it can give an accurate and reproducible assessment of left ventricular function. It is used in patients undergoing chemotherapy (e.g. anthracycline) to assess whether the drugs are having an adverse effect on cardiac function... | 12,238 | medmcqa_train |
Propranolol can be used in all of the following conditions except | Ans. (B) Variant angina(Ref: KDT 8th/e p161)Propranolol worsens variant angina, due to unopposed a receptor mediated coronary constriction.For indications of b -blockers, refer to text. | 12,239 | medmcqa_train |
Which aery is palpated at the anterior border of masseter? | Masseter muscle covers the lateral surface of ramus of mandible which has three layers ORIGIN- Superficial layer: from anterior two third of zygomatic arch Deep layer: from deep surface of zygomatic arch Middle layer: from lower border of posterior one-third of zygomatic arch INSEION- Superficial fibers pass downwards ... | 12,240 | medmcqa_train |
Ichthyoses is a side effect of - | Ans. is 'a' i.e., Clofazamine Clofazimineo Clofazimine is a leprostatic drug.o It acts by interfering the template function of DNA.o Adverse effects of clofazimine1. Skin -Reddish-black discolouration of skin, dryness of skin and itching. Discolouration of hair and body secretions, acneform eruptions and phototoxicity,... | 12,241 | medmcqa_train |
A child has multiple itchy papular lesions on genitalia and fingers. Similar lesions are also noted in his younger brother. What is the diagnosis? | The four cardinal features suggestive of scabies 1 Presence of burrow in S. Corneum especially on the hand or penis 2 Characteristic distribution of lesions: Face, palm, soles involved in infants but spared in adults. Circle of Hebra: Web spaces, groins, periumblical area and flexors of wrist, elbow & axilla. 3 History... | 12,242 | medmcqa_train |
Smoke index is used for - | Ans. is 'a' i.e., Air pollution Monitoring of air pollutiono Monitoring of air pollution is done by : -Sulphur dioxide.Gritt and dust measurement.Co-efficient of haze.Air pollution index.Smoke or soiling index | 12,243 | medmcqa_train |
Which of the following is not an etiological factor for pancreatitis? NOT RELATED -MEDICINE | . | 12,244 | medmcqa_train |
All of the following are varients of Acne, EXCEPT: | Acne agminata also known as lupus miliaris disseminatus faciei or facial idiopathic granulomatous with regressive evolution is a disorder of unceain etiology. Ref: Rook Textbook of Dermatology, 8th Edition, Page 38.37. | 12,245 | medmcqa_train |
Pompe’s disease is caused due to deficiency of | Muscle Glycogen Storage Disorders: | 12,246 | medmcqa_train |
A contusion can be differentiated from postmoem staining by doing: | While taking an incision on contusion, extravasation of blood into the surrounding tissues which is firmly clotted and cannot be washed by gentle stream of water. Subcutaneous tissues are deep reddish-black. On incision in postmoem staining, blood is seen in blood vessels, which can be easily washed away. Subcutaneous ... | 12,247 | medmcqa_train |
A patient presented with scaly, hypopigmented and irregular macules on trunk and proximal extremities. Such a case is best treated with: March 2013 | Ans. B i.e. Itraconazole The presentation is suggestive of pityriasis/ tinea versicolor Tinea Dermatophyte: Parasitic fungus/mycosis, that infects the skin It involve the imperfect fungi of the genera (epidermophyton, microsporum, trichophyton) Dermatophyte are anamorphic (asexual/ imperfect) Dermatophytes causes infec... | 12,248 | medmcqa_train |
The obstruction of two or more major hepatic veins is seen in: | A. Budd-Chiari syndrome(Ref: Nelson's 20/e p 1973, Ghai 8/e p 320)Budd-Chiari Syndrome: pg 388What is it?Portal hypertension caused by obstruction to hepatic veins anywhere between the efferent hepatic veins & the entry of the inferior vena cava into the right atriumEtiology* Hypercoagulable states e.g. antithrombin II... | 12,249 | medmcqa_train |
The Socio-Economic, Education and Housing Scale developed for rural areas for demographic classicification is which of the following? | Pareek has evolved a method useful for rural areas. It is based on 9 characteristics. These are caste, occupation of family head, education of family head, level of social paicipation of family head, land holding, housing, farm power, material possessions and type of family. Each characteristic is given score and the t... | 12,250 | medmcqa_train |
Fluoride helps in ? | Ans. is 'b' i.e., Dentition | 12,251 | medmcqa_train |
100 people of viral fever are treated with a medicine 94 percent were cured in 5-7 days. True statement about efficieny of medicine- | . | 12,252 | medmcqa_train |
A two month old infant has undergone a major surgical procedure. Regarding postoperative pain relief which one of the following is recommended | Ans. is 'd' i.e. Intravenous narcotic infusion in lower dosage Earlier it was believed that neonates and infants don't feel pain because of their immature nervous system. But it has now been definitively proved that they experience pain and therefore require analgesia for any surgical procedure. Various pain management... | 12,253 | medmcqa_train |
Method of chromatography in which molecules that are negatively charged are selectively released from stationary phase into the positively charged molecules in mobile phase is termed as: | B i.e. Ion-Exchange chromatography | 12,254 | medmcqa_train |
True statements about P53. gene are all except ? | Ans. is 'd' i.e., Wild/non-mutated form is associated with increased risk of child-hood tumorsIt is mutated form (not non mutated form) of p53 which is associated with increased risk of tumors.o p53 gene is a tumor suppressor gene and non-mutated form of this gene prevent development of malignancy by :(i) Causing cell ... | 12,255 | medmcqa_train |
Which of the following fracture is known for Malunion ? | SCFH is known for malunion- gun stock defrmity. other fractures complication is non union. | 12,256 | medmcqa_train |
What is the method of breast examination depicted in the video? (The clinician was palpating with the tips of finger except thumb started from 2 o'clock posterior palpated at 3 points on line joining periphery to nipple. Then again went to 3 o'clock point directly and came back centripetally while palpating at 3 points... | Ans. C. Clockwise methodBreast-self-examination | 12,257 | medmcqa_train |
Disease, does not recur in the kidney after renal transplant is : | Answer is A (Alpo's syndrome): Alpo is syndrome has not been mentioned to recur in kidney after a renal tansplant. | 12,258 | medmcqa_train |
Pseudogestational sac is seen in ultrasonography is suspicious of | Anechoic fluid collections, which might normally suggest an early intrauterine gestational sac, may also be seen with ectopic pregnancy. These include pseudogestational sac and decidual cyst.A pseudosac is a fluid collection between the endometrial layers and conforms to the cavity shape. If a pseudosac is noted, the r... | 12,259 | medmcqa_train |
Parasite causing pulmonary eosinophilia syndrome - | The larvae of S.srercoralis migrate through the lungs and they escape from the pulmanory capillaries into the alveoli leading to haemorrhages in the lung alveoli.Bronchopneumonia may also be present. (refer pgno:151 baveja 3 rd edition) | 12,260 | medmcqa_train |
Nosocomial infection occurs in hospital in | The term hospital infection, hospital-acquired infection or nosocomial infection are applied to infections developing in hospitalized patients, not present or in incubation at the time of their admission.
Such infections may become evident during their stay in hospital or, sometimes, only after their discharge.
Infecti... | 12,261 | medmcqa_train |
Nerve damaged in case of numbness of little and ring finger, atrophy of hypothenar muscles | Ans. c. Ulnar nerve before division into superficial and deep branchesNerve damaged in case of numbness of little and ring finger, atrophy of hypothenar muscles is ulnar nerve, before division into superficial and deep branches.Supplied musclesUlnar Nerve (C8T,)Musician's NervMedian Nerve (C5678T1)Laborer's nervedegAxi... | 12,262 | medmcqa_train |
Which of the following is true regording singer's nodule | Is berign not maligrant
Micro laryngeal surgery is treatment of choice
M/C symptom is haarsness of voice | 12,263 | medmcqa_train |
Phosphorylation of phosphofructokinase and fructose-1,6-bisphosphate by fructose-2,6-bisphosphate regulation is seen in | Fructose-2,6-bisphosphate (F-2,6-BP) increases the activity of phosphofructokinaseF-2,6-BP is formed from fructose-6-phosphate by the action of an enzyme called PFK-2. (It is different from the PFK1)Fructose-2,6bisphosphate is hydrolysed to fructose-6phosphate by fructose-2,6-BisphosphataseThe activities of both the en... | 12,264 | medmcqa_train |
Stimulation of the following receptor produce renin | Beta 1 receptors are present opn JG apparatus producing increased renin. | 12,265 | medmcqa_train |
Bacteria aquires restriction endonuclease by horizontal transfer. The result would be | C i.e. Bacteria cannot survive because it lacks DNA methylase that protects the host DNA Any bacteria is protected against its own restriction endonuclease (RE) by a companion enzyme site specific DNA methylase which methylates the restriction sites recognized by that paicular REQ. In other wors, every bacteria has its... | 12,266 | medmcqa_train |
True about alternative splicing | It’s a regulated process occurs during gene expression and results in a single gene coding for multiple proteins. | 12,267 | medmcqa_train |
Percentage of cold thyroid nodules likely to be malignant: | Ans. 20% | 12,268 | medmcqa_train |
Median umbilical ligament is derived from - | Ans. is 'b' i.e., Urachuso Allantois is a vestigial structure and initially, the bladder is continuous with it. Most of the allantois soon constrict to form a thick fibrous cord called the urachus, which extends from the apex of the bladder to the umbilicus. In the adults, the median umbilical ligament represents the u... | 12,269 | medmcqa_train |
A new inhaled anesthetic has been developed and tested in a series of experiments. Anesthetic tension in the arterial blood is shown on the graph below as a function of time after inhalation (Drug A) similar curve for nitrous oxide is also shown:Which of the following best describes the properties of the new anesthetic... | Ans. (A) High blood: gas partition coefficient(Ref: Katzung 11th/e p427)The depth of anesthesia depends on the partial pressure of anesthetic in CNS. The transfer of anesthetic into the brain starts only after the blood is fully saturated (or, in other words partial pressure of the anesthetic in blood equals the partia... | 12,270 | medmcqa_train |
All are cellular adaptations except - | Ans. is 'c' i.e., Necrosis Cellular adaptationo The normal cells is confined to a fairly narrow range of structure and function by its genetic programs of metabolism, differentiation & specilization; by constraints of neighboring cells; and by availability of metabolic substrates,o However, The normal cell is able to h... | 12,271 | medmcqa_train |
A patient had an inferior wall myocardial infarction and was in shock. The reason for the patient being in shock is:- | Answer is C (Right Ventricular infarction) `Right ventricular infarction should be considered whenever a patient with inferior infarction exhibits signs of low cardiac output and raised venous pressure' -- CMDT Mitral regurgitation, decreased ejection fraction and septal defect are features of anterior wall MI. | 12,272 | medmcqa_train |
Amount of elemental iron required for iron replacement therapy ? | Typically for iron replacement therapy, up to 300 mg of elemental iron per day is needed, usually as three or four iron tablets (each containing 50-65 mg elemental iron) per day. Reference: Harrisons Principles of Internal Medicine, 18th Edition, Page 848 | 12,273 | medmcqa_train |
A 60-year-old man undergoing an inguinal hernia repair is induced with propofol. Which of the following is most likely to be observed | Hypotension and apnea are the most common side effects of propofol. Propofol does not cause hypehermia, indeed, it is the anesthetic of choice in patients at risk for malignant hypehermia. Propofol is associated with a fast emergence, which is also an advantage of the drug. | 12,274 | medmcqa_train |
Mirizzi syndrome, all are true except -Gallstone ulcerating into common ductImpacted in cystic ductSevere pericholecystic inflammationObsturctive jaundiceAns: None > CSolution:Ans. is None > 'c' i.e., None > Severe pericholecystic inflammation * Options A, B, D are definitely true.* One can also expect pericholecystic ... | Ans. is 'd' i.e., Barium swallow Diagnosis of achalasia* Chest x-ray - shows absence of gastric air bubble, an air-fluid level in the mediastinum in the upright position representing retained food in oesophagus.* Barium swallow - shows dilated esophagus with tapering narrowing in the terminal end of esophagus described... | 12,275 | medmcqa_train |
A 42 year old company executive presents with sudden upper GI bleed (5 litres) of bright red blood, with no significant previous history. The diagnosis is? | Ans. is 'b' i.e., Duodenal ulcer Both esophageal varices and duodenal ulcer are causes of massive upper GI bleed. Although it is difficult to reach a diagnosis by clinical history and physical examination alone, variceal bleed is less likely as there are no stigmata of chronic liver disease or poal hypeension. | 12,276 | medmcqa_train |
Bence Jones proteins are derived from- | About 2/3rd cases of myeloma excrete Bence Jones (light chain) proteins in the urine consists of either kappa or lamda light chains along with presence of Bence Jones paraproteins in the serum.Most commonly gamma globulin Ref;Robbins and Cotran Pathologic basis of disease.South Asia Edition volume 1.page no.363 | 12,277 | medmcqa_train |
Green-house gases not include: | Global warming /Green house effect is caused by heat-trapping gases in the atmosphere released by burning of fossil fuels, depletion of ozone layer, d/t use of aerosolized chloro-fluoro-hydrocarbons etc. By their % contribution to greenhouse effect on eah, 4 major gases: Water vapour, 36-70 % Carbon dioxide 9-26% Metha... | 12,278 | medmcqa_train |
All the following are true regarding Ranula EXCEPT | Ans) a (Cyst with....) Ref: http://en.wikipedia.org/wiki/RanulaA ranula is a type of mucocele found on the floor of the mouth. Ranulas present as a swelling of connective tissue consisting of collected mucin from a ruptured salivary gland duct, which is usually caused by local trauma.The Latin rana means frog, and a ra... | 12,279 | medmcqa_train |
A 3-year-old child presents with swelling in scrotum since birth. Transillumination test is positive. All are true except? | Ans. (B) Bag of worms. image source; | 12,280 | medmcqa_train |
Complication (s) of obesity is /are | .Complications of obesity General: Difficulty in work, fatigue, depression, back pain, ahritis and gout Cardiovascular: Hypeension, stroke, thrombophlebitis, pulmonary embolism Pulmonary: Hypoventilation, poor respiratory effo GIT: Hiatus hernia with reflux, changes in liver, pancreatitis, gallstones Endocrine: Diabete... | 12,281 | medmcqa_train |
A man working in a constructing company presented with watery, foul-smelling diarrhea since 3 weeks. There is no blood in the stools. If it is giardiasis, it is best diagnosed by: | Giardia lamblia causes giardiasis. Watery (nonbloody), foul-smelling diarrhea is accompanied by nausea, anorexia, flatulence, and abdominal cramps persisting for weeks or months. There is no fever. Diagnosis is made by finding trophozoites or cysts or both in diarrheal stools. In formed stools (e.g., in asymptomatic ca... | 12,282 | medmcqa_train |
Arborescent marks seen in : | C i.e. Lightening | 12,283 | medmcqa_train |
John Snow's discovery of cholera is an example of- | Ans. is 'b' i.e., Spot map study | 12,284 | medmcqa_train |
Carcinoma endometrium with superficial inguinal lymph node involvement is of: | Ans. A. Stage IVThe International Federation of Gynecology and Obstetrics (FIGO) staging system for carcinoma of corpus uteri is as follows:a. Stage IA-Tumor limited to endometrium <8cm)b. Stage IB-Invasion to less than one half the myometrium (>8cm)c. Stage IC-Invasion to more than one half the myometriumd. Stage IIA-... | 12,285 | medmcqa_train |
Arrow shift of the curve is not due to: | Ans. (b) Decreased carbon dioxide(Ref: Ganong, 25th ed/p.640)In oxygen dissociation curve, right shift is favored by,AcidosisIncrease in, 3 DPGIncrease in PCO2 Increase in temperature | 12,286 | medmcqa_train |
Lesion in the medial lemniscus at the level of pons causes which of the following? | Lesion in the medial lemniscus at the level of pons causes loss of tactile and proprioception on the opposite side. Fibers of medial lemniscus ascend ipsilaterally in the dorsal columns of the spinal cord to the medulla, where they synapse in the gracilis and cuneate nuclei. The second order neurons from these nuclei c... | 12,287 | medmcqa_train |
Climbing fibres of cerebellar coex are | Afferent fibres to cerebellum are climbing fibres (olivocerebellar from inferior olivary nuclei) and mossy fibres (other pas of body) | 12,288 | medmcqa_train |
Ameboid ulcer is a feature of - | It is seen primary ocular herpes.Sometimes the margins of the dendritic ulcer enlarge and coalesce to form a large epithelial ulcer with a 'geographical' or 'ameboid' configuration</p. Reference:Comprehensive ophthalmology,AK Khurana,6th edition,page no.108 | 12,289 | medmcqa_train |
An infant presents with mild anemia, jaundice, and splenomegaly. A complete blood count with differential reveals spherocytosis; the reticulocyte count is elevated. The parents state that several relatives have also suffered from a similar illness.The infant's condition is most likely caused by defective? | The infant is suffering from hereditary spherocytosis, a disease that can result from defective erythrocyte cytoskeletal proteins such as spectrin or ankyrin. Spectrin is a cytoskeletal protein in the erythrocyte that binds to the ankyrin/band 3 protein complex. It also binds to a protein 4.1/actin complex to form a st... | 12,290 | medmcqa_train |
Bacillus stearothermophilus is used as an indicator for- | Ans. is 'd' i.e., Autoclaving Type of SterilizationSpore used* Moist heat (autoclave)Bacillus stearothermophilus* Dry heat (hot air oven)Bacillius subtilis* Ionizing radiationBacillus pumilis* Gas sterilization (ethylene oxide)Bacillus subtilis* Plasma sterilizationBacillus stearothemophilus(Geobacillus stearothermophi... | 12,291 | medmcqa_train |
Dengue virus is a: | Flavi virus | 12,292 | medmcqa_train |
Bilirubin is absent in urine because it is - | Unconjugated bilirubin cannot be excreted in urine because:-
(i) It is lipophilic (lipid soluble) but not water soluble, i.e. it is hydrophobic
(ii) It is tightly bound to albumin, thus cannot be filtered at glomeruli. | 12,293 | medmcqa_train |
Type II schizophrenia is characterised by all of the following features, EXCEPT: | Type II Schizophrenia is characterised by prominent negative symptoms, intellectual deterioration, enlarged cerebral ventricles and poor response to neuroleptics. Type I Schizophrenia is characterised by:Positive symptomsNormal brain structureAbsence of intellectual impairmentGood response to neurolepticsRef: Contempor... | 12,294 | medmcqa_train |
Regarding bronchiolitis one of the following state ments is not true- | Ans. is 'b' i.e., It occurs commonly in children above 2 years of age | 12,295 | medmcqa_train |
What is the parameter that is used to assess lipid peroxidation? | Ans. is 'a' i.e., Malondialdehyde* ROS can be produced by either breakage of covalent bond, addition of electrons to a molecule or removal of hydrogen by other radicals. They are generally highly reactive species and typically act as electrophilic species or oxidant agents. The most important radicals or pro-oxidant mo... | 12,296 | medmcqa_train |
Secondary hemorrhage is seen: AP 06; FMGE 10; Bihar 10; Jharkhand 11; Al 11 | Ans. 7-14 days after surgery | 12,297 | medmcqa_train |
Evacuation of the urinary bladder and stool with profuse sweating is a feature of: | In patients with spinal cord injury when a minor noxious stimulus is applied to the skin, it will cause a withdrawal response and also irradiate to autonomic centers and produce evacuation of the bladder and bowel, sweating, pallor, and BP swings. This is called "mass reflex". It can be used in paraplegic patients who ... | 12,298 | medmcqa_train |
Cornea is lined by - | Ans. is 'c' i.e., Squamous non-keratisized Histology of corneao The cornea has five distinct layers (from superficial to deep): -Epithelium : - It is the outermost part of cornea and is composed of stratified squamous non-keratinized epithelial cellsQ.Bowman's membrane : - It is not a true membrane but simply a condens... | 12,299 | medmcqa_train |
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