query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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The peak level of chorionic gonadotropin in normal pregnancy occurs at : | 60 -- 70 days | 14,900 | medmcqa_train |
who gave the concept of psychosocial stage of development | ERIC ERIKSON ERIC ERIKSON gave the psychosocail stages of development There are 8 psychosocial stages A person has to succesfully pass one stage to move to the next stage If he gets arrested in one stage he may develop some disorders Ref. kaplon and sadock, synopsis of psychiatry, 11 th edition, pf no. 485 | 14,901 | medmcqa_train |
Kaposi sarcoma is caused by? | kaposi's sarcoma caused by HHV 8 REF:ANATHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 8TH EDITION PAGE NO:477 | 14,902 | medmcqa_train |
All of the following drugs are used in hypertensive crisis except: | Ans. B. PindololLabetalol is used as hypertensive emergency in pregnancy, nitroprusside is given in patients with aortic dissection. Nifedipine though rarely used, can be given as sublingual therapy for rapid control of blood pressure. | 14,903 | medmcqa_train |
A 59 years old female patient taking medications for hypertension and congestive cardiac failure. She suddenly develops skin rashes along with swelling of tongue, lips as well as eyes, causing her breathing difficulty. Which one of the following medications is the reason for the untoward effects? | Answer: c) Captopril.* In 0.1% to 0.5% of patients, ACE inhibitors induce a rapid swelling in the nose, throat, mouth, glottis, larynx, lips, and/or tongue.* This untoward effect, called angioedema, apparently is not dose-related, and if it occurs, it does so within the first week of therapy, usually within the first f... | 14,904 | medmcqa_train |
The number of days required for diagnosis of hypomania is:- | The minimum duration required for diagnosis of Hypomania is 4 days. Hypomania is milder form of manic symptoms and not requiring admission or intensive care. Presence of hypomanic episodes with depressive episodes is characteristic of Bipolar Type II disorder. Other impoant minimum durations related to mood disorders: ... | 14,905 | medmcqa_train |
An adolescent male developed vomiting and diarrhoea 1 hour after having food from a restaurant. The most likely pathogen is | Incubation period: Staphylococcus aureus - 2 to 6 hours Salmonella - 12 to 24 hours Clostridium perfringens - 8 to24 hours Vibrio parahemolyticus-24hrs to 5 days Ref: Textbook of Ananthanarayan and paniker's; 10th Edition; Pg:204,307,260,313 | 14,906 | medmcqa_train |
A patient at 22 weeks pregnancy is on warfarin for oral anticoagulation for a known cardiac condition. Heparin is re-introduced at what gestation? | Heparin is given in first trimester to ease the mother from deep vein thrombosis but it cannot be continued as an injection after 12 weeks. After 12 weeks of gestation, oral warfarin tablets are given; if the warfarin is given before 12 weeks then warfarin related anomalies can happen to the fetus. Around 36 weeks, war... | 14,907 | medmcqa_train |
Which of the following type of leukemia is associated with autoimmune haemolytic anemia? | Autoimmune hemolytic Anemia is frequently seen in patients with CLL treated with fludarabine or 2-chlorodeoxyadenosine (cladribine). Secondary Autoimmune Hemolytic Anemia is seen in diseases such as lymphoma, CLL, SLE, primary agammaglobulinemia or hyper-IgM immunodeficiency syndrome. In these diseases, warm-antibody a... | 14,908 | medmcqa_train |
Treatment of choice for the annular pancreas is | Annular pancreas is the most common congenital malformation of the pancreas in association with duodenal atresia.Two types of the annular pancreas are recognized. (1) Extramural - causing high gastrointestinal (duodenal) obstruction; vomiting is the most common presenting symptom (2) Intramural - producing duodenal ulc... | 14,909 | medmcqa_train |
Myelin in CNS | Oligodendrocytes - myelin formation in cnsSchwann cells - myelin formation in pns Ref: Ganong&;s review of medical physiology; 23rd edition; pg:80 | 14,910 | medmcqa_train |
A 45 year old female presents with symptoms of acute Cholecystitis. On USG there is a solitary gallstone of size 1.5 cm. Symptoms are controlled with medical management. Which of the following is the next most appropriate step in the management of this patient? | Management of Acute cholecystitis IV fluids, analgesics and antibiotics are given initially in a pt. presenting with acute cholecystitis. Cholecystectomy is the definitive treatment. The timing of cholecystectomy was a matter of debate in the past. Early cholecystectomy performed within 2 to 3 days of presentation is p... | 14,911 | medmcqa_train |
All of these are responsible for preferential shunting of well oxygenated blood from fetal right atrium to left hea, EXCEPT? | More oxygenated blood travels along the medial aspect of IVC and less along lateral aspect, facilitating shunting to opposite sides of hea, that is, more oxygenated travels to left hea through foramen ovale and less oxygenated to right ventricle. This is also facilitated by configuration of interatrial septum called cr... | 14,912 | medmcqa_train |
Which of the following forms lateral wall of mastoid antrum? | The lateral wall of the mastoid antrum is formed by a plate of bone which is on average 1.5 dm thick in the adult. It is marked externally on the surface of mastoid by suprameatal/ MacEwen's triangle Mastoid antrum/ Tympanic antrum/ Antrum mastoideum/ Valsalva's antrum It is a cavity in the petrous poion of the tempora... | 14,913 | medmcqa_train |
Differentiation between epididymo-orchitis and torsion testis can be done with which of the following? | Ans BUSG is quick, easily available and can be used to rapidly confirm or rule out diagnosis of torsion testes. Epididymo- orchitis will show increased vascularity while torsion testes while appear pauci/avascular. | 14,914 | medmcqa_train |
Marker of bone formation are all except - | Hydroxyproline is a marker of bone resorption ( not bone formation). | 14,915 | medmcqa_train |
With respect to the Web of causation, the most appropriate statement among the following is | Ans. is 'b' i.e., Better for all the related factors associated with causation of disease Web of causationo This model is ideally suited in the study of chronic disease, where the disease agent is often not known, but is the outcome of interaction of multiple factors.o The 4tweb of causation" considers all the predispo... | 14,916 | medmcqa_train |
Rugger jersey spine in CRF is due to - | A common finding in secondary hyperthyroidism associated with renal osteodystrophy is the osteosclerosis resulting in typical appearance of the vertebral bodies as seen in the rugger - jersy spine. | 14,917 | medmcqa_train |
Patient complaints of muscle weakness. It was rivers on administration of neostigmine because | (Ref: Katzung 11/e p105) Neostigmine acts by inhibiting the enzyme acetylcholinesterase. This enzyme is involved in degradation of ACh,consequently neostigmine inereases the synaptic level of ACh. Muscle weakness can be improved by stimulation of NM receptors at muscle end plate due to increased ACh. | 14,918 | medmcqa_train |
The commonest complication of pregnancy after complete treatment of genital tuberculosis is : | Ectopic pregnancy | 14,919 | medmcqa_train |
Which of the following is produced by the stomach and has a role in control of food intake? | Ghrelin is secreted primarily by the stomach and appears to play an impoant role in the central control of food intake. It also stimulates growth hormone secretion by acting directly on receptors in the pituitary. Cholecystokinin (CCK) is secreted by cells in the mucosa of the upper small intestine. It has a plethora o... | 14,920 | medmcqa_train |
A topical retinoid recently introduced for the treatment of psoriasis is - | Ans. is 'b' i.e., Tazarotene o Tazarotene is approved for psoriasis and acne vulgaris. | 14,921 | medmcqa_train |
In which of the following conditions left atrium is not enlarged | In ASD left atrium does not enlarge unless associated with other anomalies like mitral regurgitation . Ref : Ghai essential of pediatrics,eighth edition P.no: 413 | 14,922 | medmcqa_train |
Most common type of Onychomycosis | Onychomycosis is a fungal infection of nails MC site for onychomycosis: hyponychium Types 1. Distal lat.subungual onychomycosis- MC 2. Proximal subungual onychomycosis (rare)-In HIV+ patient 3. Superficial white onychomycosis4. Total dystrophic onychomycosis- it is the end result of either of the types. It is complete ... | 14,923 | medmcqa_train |
Septic shock is due to - | Septic shock results most often from gram-negative bacteria entering the body. lysis of gram negative bacteria releases endotoxin, a lipopolysaccharide into the circulation. it is responsible for immune system activation and systemic inflammatory response. Reference:rush Mohan textbook of pathology, 7th edition, pg no:... | 14,924 | medmcqa_train |
Open book and bucket handle injuries are seen in: | B i.e. Pelvis | 14,925 | medmcqa_train |
Blue sclera is characteristic of? | ANSWER: (B) Osteogenesis imperfectaREF: Khurana 4th ed page 131, Yanoff 2nd ed page 518BLUE SCLERA:It is an asymptomatic condition characterised by marked, generalised blue discolouration of sclera due to thinning. It is a typical association of osteogenesis imperfecta. Osteogenesis imperfecta is an inherited condition... | 14,926 | medmcqa_train |
30 year old young male came with sudden onset visual loss with no h/o trauma and the fundus details cant be appreciated with no significant systemic history. The other eye has evidence of sheathing of vessels in periphery. A diagnosis of Eale's disease is made. The most common presenting symptom of this disease is | EALES DISEASE -Bilateral, Idiopathic, Occlusive, Peripheral periphlebitis -also known as angiopathia retinae juvenilis, periphlebitis retinae, primary perivasculitis of the retina. -Recurrent Vitreous Hemorrhage in young and is the most impoant and pathognomic identifying feature -There can be subtle signs of sheathing... | 14,927 | medmcqa_train |
During starvation, brain utilizes - | Ans. is 'c' i.e.. Ketone bodies o There is no stored fuel in brainQ, but it utilized 60% of total energy under resting conditionsQ,o Glucose is virtually the sole fuel for the brainQ, except in prolonged starving when ketone bodies are the major sourceQ.o Fatty acids do not serve as fuel for the brain, because they are... | 14,928 | medmcqa_train |
Chocolate Brown postmortem staining is seen in – | In poisoning by nitrites, potassium chlorate, nitrobenzene, potassium bicarbonate and aniline the colour of postmortem hypostasis is chocolate brown due to methemoglobinemia. | 14,929 | medmcqa_train |
Factors which decrease insensible water losses are all, except – | Prematurity increases insensible water loss. | 14,930 | medmcqa_train |
What is the clearance of a substance, if its concentration in plasma is 10 mg%, concentration in urine is 100 mg% and urine flow is 2 ml/min? | Ans. D. 20ml/min.rate of elimination = amount of drug excreted per hour concentration in urine x urine flow 2mg/min = 100 mg% x 2 ml/minNow Cl = RoE/Plasma concentration Therefore, Clearance =2mg/min/10mg%=20ml/min. | 14,931 | medmcqa_train |
A mutation in the codon which causes a change in the coded amino acid, is known as | Missense mutation causes change in codon so that it codes for a different amino acid. | 14,932 | medmcqa_train |
Operation theatres are sterilized by: March 2007 | Ans. B: Formaldehyde fumigation Chemical Sterilization Although heating provides the most reliable way to rid objects of all transmissible agents, it is not always appropriate, because it will damage heat-sensitive materials such as biological materials, fiber optics, electronics, and many plastics. Ethylene oxide High... | 14,933 | medmcqa_train |
Clinical features of hyperprolactinaemia are all except | Hyperprolactinemia is not associated with ambiguous genitalia. | 14,934 | medmcqa_train |
All the following signs could result from infection within the right cavernous sinus, except | B i.e. Loss of corneal blink reflex | 14,935 | medmcqa_train |
HPV type least commonly associated with carcinoma cervix : | HPV High oncongenicity: Types 16,18, 31, 33, 35, 45, 56 Low oncogenecity: Types 6,11, 42, 43 Ref: D.C.DUTTA&;S TEXTBOOK OF GYNAECOLOGY; 6th edition; Pg no:323 | 14,936 | medmcqa_train |
Ogaura Inawa and Hikojima are the serotypes of: | Ans. is. 'b' i. e., Vibrio cholerae | 14,937 | medmcqa_train |
Secretin does not cause : | D i.e. Gastric secretion increases | 14,938 | medmcqa_train |
Which of the following methods is most suitable for isolating gene of long DNA molecules | Chromosome walking is the best method to isolate gene from long segment of DNA. | 14,939 | medmcqa_train |
Which of the following drug can be used for medical adrenalectomy? | DRUGS INHIBITING THE FORMATION OF ADRENAL STEROIDS These drugs can be used for medical adrenalectomy Metyrapone Ketoconazole Aminoglutethimide Mitotane | 14,940 | medmcqa_train |
In which form of aminoacid is ammonia transported from skeletal muscle to liver? | Ans. is 'c' i.e., Alanine* Two mechanisms are available for transport of ammonia from the peripheral tissues to the liver.1) In the form of glutamine# In many tissues like liver, kidney and brain, ammonia combines with glutamate to yield glutamine, by the action of glutamine synthase. The brain is a rich source of glut... | 14,941 | medmcqa_train |
The following are true of PKDL except - | Recccurence doesnt depend on full tratment , reccurence is even seen after full treatment. Persistent hypergammaglobulinemia is seen in Kala azar which is detected by antimony test which is done for Kala azar. Cancrum oris can occur in Kala azar. Option 1, 2, 3, 4 PKDL (Post Kala-azar Dermal Leishmaniasis): Seen in 2-1... | 14,942 | medmcqa_train |
IPC which deals with dowry death is - | Ref:Textbook of forensic medicine & toxicology Nageshkumar G Rao 2nd edition pg 594 Sec 304-B IPC Dowry death-- When death of a woman occurs due to burn or other bodily injury or in circumstances other than normal within 7 years of marriage,and it is seen that she was submitted to cruelty or harassment by her husband o... | 14,943 | medmcqa_train |
All of the following statements regarding amyloidosis are true except - | Ans. is 'c' i.e., Renal Amyloidosis commonly presents with Hypeension Most common presentation is proteinuria. o Hypeension may occur but it is not common, it occurs in 20-50% of the patients. "Although earlier it was thought that hypeension was an infrequent complication, more recently up to 50% of patients have been ... | 14,944 | medmcqa_train |
Sunderland classification is used for ? | Ans. is 'a' i.e., Nerve injury Sunderland is an extension of the seddon classification and includes 5 types of nerve injuries. | 14,945 | medmcqa_train |
In pyridoxine deficiency, tryptophan is converted to - | Ans. is 'c' i.e., Xantheurenic acid o In vitamin B6 deficiency the metabolism is shuted to xanthurenic acid. Therefore, xantheurenic acid excretion is increased in urine. | 14,946 | medmcqa_train |
Focal and diffuse thickening of gallbladder wall with high amplitude reflections and 'comet tail' artifacts on USG suggest the diagnosis of – | Focal and diffuse thickening of gallbladder wall with comet tail artifact is characteristic of adenomyomatosis of the gallbladder. | 14,947 | medmcqa_train |
All of the following lower intracranial pressure except- | Following steps are used to lower intracranial pressure Ventrititlostomy to drain CSF Elevate head end of bed Osmotherapy -- mannitol, hypeonic saline Glucocoiciods dexamethasone for vasogenic edema from tumor, abscess (avoid glucocoicoids in head trauma, ischemic and hemorrhagic stroke) Sedation (morphine, propofol, o... | 14,948 | medmcqa_train |
Maximum refractive index ? | Ans. is 'c' i.e., Lens Lens has maximum refractive index among the refractive structures of eye. The refractive indices of the successive layers of lens increase from the periphery towards the nucleus. | 14,949 | medmcqa_train |
Cholemicnephrosis seen in ? | Ans. is 'd' i.e., Obstructive jaundiceCholemicNephrosis 'Jaundice related Neuhropathyl Cholemicnephrosis is used to describe the renal failure in patients with obstructive jaundice, paicularly after renal transplantation.Diagnosis is made on light microscopy by presence of typical bilirubin casts.Altered hemodynamics a... | 14,950 | medmcqa_train |
A 52-year-old man presents to the out-patient clinic complaining of episodes of severe unilateral, stabbing facial pain that is intermittent for several hours, and then disappears for several days. The pain is described as "electric shock-like" and only lasts a few seconds. Physical examination of the face and mouth is... | This patient has trigeminal neuralgia. Carbamazepine (an anticonvulsant drug) is given in doses varying from 600 to 1200 mg/day. Phenytoin has also been used. The two drugs can also be used in combination. Operative procedures include alcohol injection of the nerve or ganglion, partial section of the nerve in the middl... | 14,951 | medmcqa_train |
Which of the following represents Weber Fechner Law? | The intensity of sensation is determined by the amplitude of the stimulus applied to the receptor. Action potentials in an afferent fiber from a mechanoreceptor of a single sensory unit increase in frequency as branches of the afferent neuron are stimulated by pressure of increasing magnitude. The magnitude of sensatio... | 14,952 | medmcqa_train |
Thorium induced tumor is which of the following? | Angiosarcoma of the liver is a highly aggressive tumor which is associated with exposure to: Vinyl chloride Arsenic Thorotrast Thorotrast is a suspension containing paicles of the radioactive compound thorium dioxide. It emits alpha paicles due to which it has been found to be extremely carcinogenic. | 14,953 | medmcqa_train |
All findings are seen in a patient with isolated aoic stenosis except? | Aoic stenosis(AS) Results in LVH -Double apical impulse and shift of apex beat laterally. Characteristic pulse -Pulsus parvus et tardus. Early stages -BP -Normal. Later stages -Low SBP , | Pulse pressure. Murmur - Ejection systolic murmur with carotid thrill. Pulsus bisferiens is seen in HOCM & severe AR. | 14,954 | medmcqa_train |
Fatal dose of methanol - | Fatal dose of methyl alcohol is 60-250 ml in adults, but as little is 15 ml can cause blindness. | 14,955 | medmcqa_train |
A herd immunity of over .........is considered necessary to prevent epidemic spread of diphtheria: | 70% | 14,956 | medmcqa_train |
In case of PSGN complication commonly seen are all Except | PSGN complications are -Acute renal failureChronic glomerulonephritisChronic renal diseaseCongestive hea failure or pulmonary oedemaEnd-stage renal diseaseHyperkalemiaHigh blood pressure (hypeension)Nephritic syndrome | 14,957 | medmcqa_train |
A 52-year-old man was referred to the clinic due to increased abdominal girth. He is diagnosed with ascites by the presence of a fluid thrill and shifting dullness on percussion. After administering diuretic therapy, which nursing action would be most effective in ensuring safe care? | For the client with ascites receiving diuretic therapy, careful intake and output measurement are essential for safe diuretic therapy.
Diuretics lead to fluid losses, which if not monitored closely and documented, could place the client at risk for serious fluid and electrolyte imbalances.
Hypokalemia, not hyperkalem... | 14,958 | medmcqa_train |
Differentiating feature of female pelvis is -a) Subpubic angle V shapedb) Subpubic angle U shaped and obtusec) Pre auricular sulcus is prominentd) Ischial tuberosity is everted and obturator foramen is large and ovale) Ischial tuberosity is everted and obturator foramen small and triangular | Subpubic angle in females is U shaped, rounded and obtuse (90-100o).
Preauricular sulcus is more frequent, broad and deep in female pelvis.
In female pelvis, ischial tuberosity is everted and obturator foramen is small triangular. | 14,959 | medmcqa_train |
Pus formation in lacerated wound occurs in: | Normally, pus formation occurs in about 48 hours, but in a lacerated wound it occurs slightly earlier. | 14,960 | medmcqa_train |
The best investigation for colorectal carcinoma: | Ans: d (Colonoscopy and biopsy)Ref: Bailey & Love, 24,hed, p. 1179 & 23rd ed,p.1051 | 14,961 | medmcqa_train |
Treatment of choice for hairy cell leukaemia is | The first-line therapy for hairy cell leukemia is cladribine, 0.1 mg/kg/d by continuous intravenous infusion for 7 days. The drug can be administered on an outpatient basis with a pump, after placement of a percutaneous intravenous central catheter (PICC). Ref Harrison 20th edition pg 544 | 14,962 | medmcqa_train |
A 23 year old asymptomatic woman attends her family physician for thyroid function testing as her mother has recently been commenced on levothyroxine. Thyroid functiontests (TFTs) show TSH 6miU/L, and free
T4 of 12.4 pmoi/L (0.96 ng/dL). Her serum thyroid peroxidase antibodies are strongly positive. What is the most ap... | This woman has subclinical hypothyroidism. There is no benefit in checking thyroglobulin antibodies as it does not change her diagnosis or management. With positive thyroid peroxidase antibodies she has a higher risk of progression to overt thyroid failure. A trial of thyroxine replacement would be advocated if her TSH... | 14,963 | medmcqa_train |
Twenty-four hours following paial thyroidectomy where the inferior thyroid aery was also ligated (tied off), the patient now spoke with a hoarse voice (whisper), and had difficulty in breathing. Which nerve was injured? | The recurrent laryngeal nerve runs with the inferior thyroid aery toward the lower lobes of the thyroid, This means that the recurrent laryngeal nerve would be at risk in any surgery involving the inferior thyroid aery or the inferior poles of the thyroid. The recurrent laryngeal nerve becomes the inferior laryngeal ne... | 14,964 | medmcqa_train |
Which of the following is true about pasteurization? | Ans. is 'b' i.e., It kills all bacteria except thermoduric bacteria (Ref: Ananthanarayan, 9th/e, p. 31, 8th/e, p. 31-32) Thermoduric bacteria - Bacteria which can survive, to varying extents, the pasteurization process.Pasteurization kills nearly 90% of bacteria in milk except certain bacteria like Coxiella burnetti wh... | 14,965 | medmcqa_train |
Destruction of which nucleus results in starvation? | Lateral nucleus
Stimulation induces eating.
Destruction results in starvation. | 14,966 | medmcqa_train |
Pre conceptional intake of which of the following will decrease the incidence of neural tube defects? | Prophylactic folic acid supplementation in 2nd and 3rd trimester along with Vit. K in the last month of pregnancy is recommended, particularly in women receiving antiepileptic drugs to minimise neural tube defects and bleeding disorder respectively in the neonate.
Reference: Essentials of Medical Pharmacology Eighth ... | 14,967 | medmcqa_train |
Chylothorax is common on right side because | Chylothorax is common on right side because of long course of thoracic duct towards right side. | 14,968 | medmcqa_train |
"Poers of Infection" are - | Houseflies are commonest and familiar insects which live close to man. House flies are exceptionally efficient mechanical spreaders of disease. They transpo microorganisms on their feet and hairy leg. Pathogenic organisms, ova, and cysts have been recovered from bodies of the housefly. House flies are called 'poers of ... | 14,969 | medmcqa_train |
All of the following statements regarding ductus deference are true except | The ductus deferens is the continuation of the tail of the epididymis and runs in the spermatic cord through the scrotum, inguinal canal and into the abdominal cavity, where it is extra-peritoneal. There it travels laterally through the pelvis, passing anterior to the ureter and inferior to the bladder, where it unites... | 14,970 | medmcqa_train |
All of the following are adverse effects of Digoxin except | Digoxin can cause all type of arryhthmias except Atrial Flutter. Infact Digoxin is used to treat Atrial Flutter. | 14,971 | medmcqa_train |
An essential amino acid in man is | Isoleucine, Leucine, Threonine, Lysine, Methionine, Phenylalanine, Tryptophan, and Valine are essential amino acids.
Reference: Vasudevan 7th ed, pg 27 | 14,972 | medmcqa_train |
Inner ear fully developed at | Ans. is 'c' i.e., 20 weeksDevelopment of membranous internal ear is completed by 10" weeks and reaches its adult size and shape by 20-22 weeks when the cochlea is developed sufficiently. | 14,973 | medmcqa_train |
Which one of the following increases intracranial tension | (B) Ketamine | 14,974 | medmcqa_train |
Retinitis pigmentosa is associated with all of the following syndromes, EXCEPT: | The many and diverse syndromes to which retinitis pigmentosa may be linked include the following: Oligophrenia, obesity, syndactyly, and hypogonadism (Bardet-Biedl syndrome); hypogenitalism, obesity, and mental deficiency (Laurence-Moon syndrome); Friedreich and other types of spinocerebellar and cerebellar ataxia; spa... | 14,975 | medmcqa_train |
In cold caloric stimulation test, the cold water induces movement of the eyeball in the following direction | When Ice cold or warm water or air is irrigated into the external auditory canal, the temperature difference between the body and the injected water creates a convective current in the endolymph of the nearby horizontal semicircular canal. If the water is cold relative to the body temperature (30degC or below), the end... | 14,976 | medmcqa_train |
Functional residual capacity is: | C i.e. Volume remaining after normal expiration | 14,977 | medmcqa_train |
All cause diarrhea except; | Hypercalcemia increases the tone of sphincters of the gut leading to refractory constipation. Autonomic dysfunction in diabetes explains the diarrhea. Due to sympathetic activity increase in thyrotoxicosis there is a reduction in small bowel transit time explaining the diarrhea. IBS has variable presentation between di... | 14,978 | medmcqa_train |
Gaze fixation takes place at which age | Gaze fixation stas developing in the first month and is completed in 6 months The macula is fully developed by 4-6 months Fusional reflexes, stereopsis, and accommodation is well developed by 4-6 months Cornea attains normal adult diameter by 2 years of age Lens grows throughout life. Reference : AK Khurana Comprehensi... | 14,979 | medmcqa_train |
All of the following statements about the periosteum are true except? | The periosteum is highly sensitive to pain. Note that the needle touching the periosteum in inadvertent intramuscular injection can produce severe pain. | 14,980 | medmcqa_train |
Aldosterone receptors are present in all except | The mineralocoicoid receptor (or MR, MLR, MCR), also known as the aldosterone receptor or nuclear receptor subfamily 3, is a receptor with equal affinity for mineralocoicoids and glucocoicoids.mineralocoicoid receptor is expressed in many tissues, such as the kidney, colon, hea, central nervous system (hippocampus), br... | 14,981 | medmcqa_train |
Which of the following does not directly drain into right atrium ? | Great cardiac veinGreat cardiac vein does not directly drains into right atrium. It drains into coronary sinus, which in turn drains into right atrium.Veinous drainage of heaCoronary sinus : Opens into right atrium and has following tributries : (i) Great cardiac vein, (ii) Middle cardiac vein, (iii) Posterior vein of ... | 14,982 | medmcqa_train |
Most common site of metastasis in lung carcinoma: | Metastasis- M/c site of metastasis in CA lung is brain (new updates)- B>B>L>A>L* Brain > Bone > Liver > Adrenal > lung | 14,983 | medmcqa_train |
A 10 month old male patient comes with vomiting, lethargy and severe jaundice when weaning was started with fruit juice. Laboratory diagnosis reveals prolonged clotting time, hypoalbuminemia, elevation of bilirubin and transaminase levels. Which of the following enzyme is defective? | Hereditary fructose intolerance
Autosomal Recessive.
Biochemical defect
Deficiency of fructose – 1,6 – bisphosphate Aldolase (Aldolase B).
The gene for aldolase B is on chromosome 9q22.3.
Deficiency of this enzyme activity causes a rapid accumulation of fructose-1-phosphate and initiates severe toxic symptoms when exp... | 14,984 | medmcqa_train |
Visual center is present in- | Ans. is 'b' i.e., Occipital lobe * Occipital lobe has the following areas related to visioni) Primary visual cortex (strike area, area 17) : It is present in medial surface of occipital lobe on upper lip and lower lip of calcarine sulcus.ii) Visual association areas (secondary visual area, areas 18, 19) : It include pa... | 14,985 | medmcqa_train |
To create a poo-caval shunt in a patient with poal hypeension, which of the following venous anastomosis should be performed? | Poacaval shunting is major surgery. It involves a large cut (incision) in the belly area (abdomen). The surgeon then makes a connection between the poal vein (which supplies most of the liver's blood) and the inferior vena cava (the vein that drains blood from most of the lower pa of the body.)The new connection dives ... | 14,986 | medmcqa_train |
A middle aged female has flaccid bullae in the skin and oral erosion. Histopathology shows intraepidermal acanthololytic blisters. The most likely diagnosis is – | Clues given are :-
Flaccid bullae
Oral erosion (mucosal involvement)
Intraepidermal acantholysis
Diagnosis is pemphigus vulgaris. | 14,987 | medmcqa_train |
A metastatic carcinoma in the brain of an adult most often comes from a primary in the - | answer: D | 14,988 | medmcqa_train |
A patient with microcytic hypochromic anemia, Hb-9%, serum iron is 20 p./d1, ferritin level 800 mg/ml, transferrin percentage saturation is 64. What is possible diagnosis aEUR' | Atransferinemia Derangment in serum iron indices mentioned in the question : ? Microcytic hypochromic anemia Low serum iron - Normal (50-170 ,ug/dI) High serum. ferritin Normal (30-400 ng/ml) High serum transferrin Normal (30-50%) Let's look at the options first Iron deficiency anemia Can be easily ruled out as serum f... | 14,989 | medmcqa_train |
Dermatophytes are | Ans: (b) Trichophyton rubrumRef: Harrison 17th ed. /1309DERMATOPHYTOSIS OR RING WORM (TINEA) INFECTION* Dermatophytes include a group of fungi (ring worm) that under most conditions have the ability to infect & survive only on dead keratin; that is the superficial topmost layer of skin (stratum corneum or keratin layer... | 14,990 | medmcqa_train |
Range of kuppu swami scale for upper middle class: | Ans. (b) 16-25Ref: K. Park 23rd ed. / 690MODIFIED KUPPUSWAMI SCALE: Scale of socio- economic status of urban families, includes Education status of head, occupation status of head, Income per capita.Total score of 3 componentsSocioeconomic class* 26-29* 16-25* 11-15* 05-10* 03-04UpperUpper-middleLower-middleUpper-lower... | 14,991 | medmcqa_train |
Characteristic of type-II respiratory failure is: September 2010 | Ans. D: Low PaO2 and high PaCO2 Type II Respiratory Failure (Ventilatory Failure: Aerial Hypercapnia): Paial pressure of CO2 in the aerial blood reflects the efficiency of ventilatory mechanism that clears (washes out) CO2 produced during tissue metabolism. Type II failure can be caused by any disorder that decreases c... | 14,992 | medmcqa_train |
As per our National Population Policy 2000, the long-term objective is to achive the population stability by which one of the following years? | National population policy 2000 The National Socio-Demographic Goals to be achieved by the year 2010 were as follows: (1) Address the unmet needs for basic reproductive and child health services, supplies and infrastructure. (2) Make school education upto the age 14 free and compulsory, and reduce drop-outs at primary ... | 14,993 | medmcqa_train |
which of the following is a absolute contra indication for ECT | HISTORY * Medunna ====IM injection of camphor to induce seizures * Ugo cerletti and lucio bini==== ECT in a catatonic patient INDICATIONS * DEPRESSION SUICIDAL IDEAS-------------- first choice * CATATONIC SCHIZOPHRENIA * SCHIZOPHRENIA * MANIA * ELECTRODE PLACEMENT * Most commonly used=== bi fronto temporal * More cogni... | 14,994 | medmcqa_train |
For fetal lung maturation, all the corticosteroids can be used except: | DOC for fetal lung maturation is betamethasone. Methylprodnisolone is not effective because of poor placental transfer. | 14,995 | medmcqa_train |
Which of the following statements comparing serotonin-dopamine antagonists (SDAs) with dopamine receptor antagonists (DRAs) is true? | Ans. D. SDAs affect both serotonin and glutamate receptorsThe serotonin-dopamine antagonists (SDAs) affect both serotonin and glutamate receptors. However, the SDAs produce minimal or no extrapyramidal symptoms and interact with different subtypes of dopamine receptors than do the standard antipsychotics. They also pro... | 14,996 | medmcqa_train |
A 62-year-old man reports early satiety, fatigue, and generally feeling unwell. On examination he has a large spleen, appears pale, and the rest of the examination is normal. His blood count is abnormal; the WBC is 50,000/mL with increased mature granulocytes, hemoglobin 9.5 g/dL, and platelets 450,000/mL. Which of the... | This is a case of chronic myelogenous leukemia. The reciprocal translocation involves the long arms of 22 and 9, and results in translocation of the ABL proto-oncogene from chromosome 9 adjacent to a portion of the BCR gene on chromosome 22. The resultant abnormal chromosome 22 is known as the Philadelphia (Phi) chromo... | 14,997 | medmcqa_train |
Characteristic feature of cells of collecting duct are | Features of collecting duct cells :
No brush border
No carbonic anhydrase in lumimal membrane
Has 'tight' tight junction
Para cellular transport not possible | 14,998 | medmcqa_train |
which organ is preserved in strychinine poisoning ? | hea : strychinine , digoxin Skin- Hypodermic injections, snake bite, Corrosives. Hair, Nails- Heavy Metal Poisoning. Spinal Cord- Strychnine Poisoning CSF- Alcohol intoxication (in 1.0 mg NaF/ml of fluid) Urine- Narcotics Body Fat- Endrin , DDT(Organo Chlorines). Muscle- When internal organs are badly putrefied. ref : ... | 14,999 | medmcqa_train |
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