query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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True about lupus vulgaris – a) Apple jelly nodule at root of noseb) TB of skin & mucosac) Also known as scrofulodermad) ATT is helpful | Lupus vulgaris is the most common form of cutaneous (skin and mucosa) tuberculosis.
Blanching with glass slide reveals grey green foci → Apple jelly nodules.
Treatment is anti-tubercular drugs. | 13,800 | medmcqa_train |
The intrinsic factor of the castle is secreted by which of the following cells in gastric glands | Secretions of stomach
- HCl- Parietal cells/ Oxyntic cells
- The intrinsic factor of Castle- Parietal cells/ Oxyntic cells
- Pepsinogen- Chief cells/ Peptic cells
- Gastrin- G cells
- Somatostatin- D cells
- Histamine- ECL cells | 13,801 | medmcqa_train |
Which anaesthetic is contraindicated in renal failure? | Ans. is 'd' i.e., Methoxyflurne Methoxyflurane It was most potent inhalation agent (least MAC), but not used not (now Halothane is most potent). o It should not be used in closed circuit (reacts with rubber tubing of the losed circuit). It has slowest onset & recovery (however now ether has slowest onset & recovery as ... | 13,802 | medmcqa_train |
The aerial blood supply to the palatine tonsil is derived from branches of the external carotid aery. The principal aery is the tonsillar aery, which is a branch of the? | Facial Aery | 13,803 | medmcqa_train |
Which of the following is true of body iron stores? | IRON DEFICIENCY ANAEMIA Iron Metabolism The amount of iron obtained from the diet should replace the losses from the skin, bowel and genitourinary tract. These losses together are about 1 mg daily in an adult male or in a non-menstruating female, while in a menstruating woman there is an additional iron loss of 0.5-1 m... | 13,804 | medmcqa_train |
Anaesthetic of choice in asthma patients: March 2007 | Ans. C: Ketamine Ketamine is classified as an NMDA (N-methyl-D-aspaate) receptor antagonist, and at high, fully anesthetic level doses, ketamine has also been found to bind to opioid (mu) receptors and sigma receptors. Like other drugs of this class such as tiletamine and phencyclidine (PCP), it induces a state referre... | 13,805 | medmcqa_train |
Arsenic poisoning presents with symptoms mimicking | ARSENIC * Copper arsenite - sheele&;s green * Copper acetoarsenite - paris green * Permissible limits of arsenic in ground water - 0.05mg/L * The gastroenteric type of poisoning resembles cholera * Greatest quantity is seen in - liver * Red velvety appearance of mucosa of stomach * Most affected pa of the stomach - pyl... | 13,806 | medmcqa_train |
Regarding diagnostic tests for syphilis, true is all except | For population screening for syphilis, VDRL or RPR test is appropriate. | 13,807 | medmcqa_train |
Psoralane Ultra Violet A (PUVA) therapy is advised in | According to Rook and Colleagues the extra corporeal photochernotherapy for drug resistant pemphigus vulgaris include administration of 8-methoxypsoralen followed by exposure of peripheral blood to ultraviolet radiation. It is also used for vitiligo and graft versus host disease. | 13,808 | medmcqa_train |
A 5-year-old girl presents with difficulty breathing. On examination, of the oral cavity a 3 cm mass is found in the midline on the posterior aspect of the tongue. The most likely diagnosis is: | An ectopic thyroid gland can be located anywhere from the base of the tongue to the mediastinum. It often results in the failure of descent resulting in either a linginal thyroid or ectopic thyroid in the midline of the neck. The so called lateral aberrant thyroid is usually a metastasis from papillary carcinoma of the... | 13,809 | medmcqa_train |
In those mammals which are seasonal breeder, the females are receptive only once in a year ; the cycle is termed as : | Ans. is b i.e. Estrous Estrous : It is cyclical period of sexual activity in non human female mammals, marked by congestion of and secretion by the uterine mucosa, proliferation of vaginal epithelium, swelling of the vulva, ovulation, and acceptance of the male by the female. During estrus, the animal is said to be "in... | 13,810 | medmcqa_train |
Joint between epiphysis and diaphysis of a long bone is a type of: | Epiphysio-diaphyseal joint is a primary cartilaginous joint – synchondrosis.
It is found in the growing bone, where the growth plate (hyaline cartilage) connects the epiphysis with the diaphysis, creating a hyaline cartilaginous joint.
At this site the fate of synchondrosis is synostosis (bony fusion) after the growth ... | 13,811 | medmcqa_train |
Main inspiratory muscle is - | Ans. is 'd' i.e., Diaphragm Respiratory musclesInspiratory muscles1. During quiet breathing : Diaphragm (most important), external intercostal and interchondral part of internal intercostal.2. During forced inspiration : Sternocleidomastoid, serratus anterior, serratus posterior superior, pectoral is major and minor, e... | 13,812 | medmcqa_train |
All are true about bulimia nervosa, except | Bulimia NervosaBulimia nervosa is an eating disorder characterised by the following clinical features:1. Bulimia nervosa usually has an onset in early teens or adolescence.2. There is an intense fear of becoming obese. There may be an earlier history of anorexia nervosa.3. There is usually body-image disturbance and th... | 13,813 | medmcqa_train |
Kim et al classification system deals with: | According to Kim et al Classification; there are 5 types
Type I incomplete isthmus between 2 canals.
Type II well defined, complete isthmus between 2 canals.
Type III very short but complete isthmus between 2 canals.
Type IV 3 or more canals with the complete or incomplete isthmus.
Type V 3 or more canals without any ... | 13,814 | medmcqa_train |
A child presents with recurrent bouts of severe cough followed by an audible whoop. Which of the following is considered the best type of specimen to isolate the organism and confirm the diagnosis | Peussis is an acute highly contagious respiratory tract infection caused by Bordetella peussis. Extremely contagious and clinical presentation can be divided into 3 stages like catarrhal, paroxysmal and convalescent It is called whooping cough due to the characteristic whoop produced by the air rushing in during inspir... | 13,815 | medmcqa_train |
Ion exchange chromatography is based on - | Ans. is 'b' i.e.. Charge Property of protein usedMethodProtein solubility'Salting out' or salt extraction (precipitation of protein by ammonium sulfate)Molecular sizeo Gel filtration chromatography (molecular-sieve chromatography or size exclusion chromatography)o Ultracentrifugationo SDS-PAGE (Sodium dodecvl sulphate-... | 13,816 | medmcqa_train |
All of the following GIT hormones belong to secretin family except | Cholecystokinin (CCK) is secreted by cells in the mucosa of the upper small intestine. It has a plethora of actions in the gastrointestinal system, but the most impoant appears to be the stimulation of pancreatic enzyme secretion, the contraction of the gallbladder (the action for which it was named), and relaxation of... | 13,817 | medmcqa_train |
Earliest sensation to be lost Hansens disease is - | In Hansen&;s disease ,the earliest sensation to be affected is usually light touch. Reference; Park&;s Textbook of preventive and social medicine, 24th edition.Pg no. 332 | 13,818 | medmcqa_train |
Most common site of intracranial hemorrhage in hepeensive hemorrhage is : | Basal ganglia The most common sites of hypeensive haemorrhage are: The basal ganglia (putamen, thalamus and adjacent deep white matter) Deep cerebellum Pons | 13,819 | medmcqa_train |
Which mutation is seen in Down’s syndrome - | The basic molecular defect in Down's syndrome is the extra genetic material of chromosome 21. It may be due to :
1) Trisomy 21
This is the most common cause (95%). There is an extra chromosome 21 (i.e. three 21 chromosomes) which is due to meiotic nondisjunction in the ovum. The extra chromosome is of maternal origin... | 13,820 | medmcqa_train |
Trochanteric fracture of the femur is best treated by - | Dynamic hip screw (DHS) plate is the implant of choice for fixation.
These days proximal femoral nail (PFN) is also commonly used. | 13,821 | medmcqa_train |
Destructive power of bullet is determined by all except | Ans. is 'c' i.e., Shape of bullet * Tissue damage (or destructive power of bullet) is dependent on striking (kinetic) energy of bullet, which is proportional to its mass and square of velocity (KE = Vi mv2). So modern bullets are designed to have smaller mass allowing transportation of large amount of ammunition and hi... | 13,822 | medmcqa_train |
Essential amino acid is: | Phenylalanine It is an alpha-amino acid. This essential amino acid is classified as nonpolar because of the hydrophobic nature of the benzyl side chain. L-Phenylalanine (LPA) is an electrically neutral amino acid The codons for L-phenylalanine are UUU and UUC. Phenylalanine is a precursor for tyrosine, the monoamine si... | 13,823 | medmcqa_train |
Savlon contains : | Savlon is a very popular disinfectant in the hospitals and it contains chlorhexidine and cetrimide. | 13,824 | medmcqa_train |
Which of the following condition is associated with a loss of attenuation reflex? | In stapedial palsy, damage to the nerve result in a reduction in sound attenuation reflex resulting in sound being heard excessively loud in the affected ear (hyperacusis). Attenuation reflex: When very loud sound is transmitted through the ossicular system to CNS a reflex is initiated with a latent period of 40 to 80m... | 13,825 | medmcqa_train |
In a patient with chronic atrial fibrillation with a regular beat of 60/min, the most probable cause is- | The health care provider may hear a fast heabeat while listening to your hea with a stethoscope. Your pulse may feel fast, uneven, or both. The normal hea rate is 60 to 100 beats per minute. In atrial fibrillation or flutter, the hea rate may be 100 to 175 beats per minute Digoxin toxicity is a life-threatening conditi... | 13,826 | medmcqa_train |
2nd constriction of esophagus is due to - | Ans. is 'b' i.e., Arch of arorta Esophageal constrictionsNumberDistance from incisorBony levelAnatomical landmark1st2nd3rd4th15 cm (6 inches)22-5 cm (9 inches)27-5 cm (11 inches)37 -5 -40 cm (15-16 inches)C6T4T6T10At its beginning (pharyngoesophageal junction)Crossing of aortic archCrossing of left main bronchusPiercin... | 13,827 | medmcqa_train |
A person identifies a pattern on wall as an animal is having: | Ans: c) IllusionIllusion:Misinterpretation of stimuli arising from an external object. There are three types:i) Complete illusion: depends on inattention of the person. For eg: misreading words in newspapers / missing misprints, we read the word automatically as if it were complete. It also depends on our previous expe... | 13,828 | medmcqa_train |
True about caput succedaneum is - | Ans. is 'd' i.e., All of the above * A caput succedaneum is an edema of the scalp at the neonate's presenting part of the head. It often appears over the vertex of the newborn's head as a result of pressure against the mother's cervix during labor. The edema in caput succedaneum crosses the suture lines 8c its always p... | 13,829 | medmcqa_train |
What is the uppermost intercostals space used for hepatic biopsy - | Proper identification of the biopsy site is of paramount impoance. To choose the site, sta with percussion over the right upper quadrant. The biopsy site is usually located in the seventh or eighth intercostal space in the midaxillary line. The site can be fuher confirmed with either routine ultrasonography or a bedsid... | 13,830 | medmcqa_train |
Anti-inflammatory drug that can safely be used in children is | Ans. b (Ibuprofen). (Ref. KDT 6th/pg. 191)AnalgesicPropertiesNimesulideDue to gastrointestinal, dermatological, renal & fulminant hepatic failure side effects, its safety, especially in children is questional. Banned in USA.IbuprofenSafest conventional NSAID.But should not be prescribed to pregnant women & peptic ulcer... | 13,831 | medmcqa_train |
Exclusive breastfeeding is advised till what age? | Exclusive breastfeeding advised for 4-6months of age.(Refer: OP Ghai's Textbook of Pediatrics, 8th edition, pg no. 60, 122) | 13,832 | medmcqa_train |
Which is true about Burkitt's lymphoma? | Forms of Burkitt lymphoma: Sporadic and endemic Sporadic type: Presents in the abdomen near the ileocecal valve, in the ovaries, or in the retroperitoneum; 15-20% of sporadic-type Burkitt lymphomas are associated with EBV infection. Endemic type: Commonly presents in the jaw. All endemic-type Burkitt lymphomas are asso... | 13,833 | medmcqa_train |
The characteristic of the pulmonary circulation: | Pulmonary aery pressures are reflective of RV pressures .Pulmonary circulation is low pressure, low resistance circulation as compared to systemic circulation. Pulmonary vessels are about 24 times more compliant compared to their systemic counterpas. Pulmonary circulation, in a sho route, has to accommodate large quant... | 13,834 | medmcqa_train |
Roopa Devi, a 65-year-old female with lymph-node-positive breast cancer was treated with systemic chemotherapy. Four weeks later, she developed frequent urination, suprapubic pain, dysuria, and hematuria. Which of the following could have prevented this patient's condition? | (Ref: Katzung 11/e p942) The patient described in the question has henorrhagic cystitiws caus3d by drugs like cyclophosphamide and ifosfamide. Hemorrhagic cystitis during therapy with cyclophosphamide or ifosfamide is caused by the urinary excretion of the toxic metabolite acrolein. This can be preventede by aggressive... | 13,835 | medmcqa_train |
A patient made a self-diagnosis of athlete's foot (tinea pedis) and began using a product adveised on television. The condition improved but did not clear and then the patient showed himself to a Dermatologist. A skin scraping was sent to the laboratory for culture, including culture for fungi. The fungal culture yield... | Ans. is 'a' i.e., Trichophyton . Dermatophytes can be identified by their colonial appearance and microscopic morphology after growth for 2 weeks at 25degc on sabouraud's dextrose agar. . Differential diagnosis of Dermatophytes on the basis of Macroconidia and microconidia General Microconidia Macroconidia Trichophyton... | 13,836 | medmcqa_train |
Cerebral amaebiasis is not caused by: | Ans. c. Dientamoeba | 13,837 | medmcqa_train |
Sensory nerve supply of middle ear cavity is provided by: | (b) Glossopharyngeal(Ref. Scott Brown, 8th ed., Vol 2 page 535)The sensory supply of the middle ear is by the tympanic plexus which is formed by the Jacobson's nerve which is the tympanic branch of Glossopharyngeal (IX) along with sympathetic plexus from around the internal carotid. | 13,838 | medmcqa_train |
All are features seen in Chronic Pancreatitis except ? | Ans. is 'd' i.e., Paralytic ileus | 13,839 | medmcqa_train |
Best indication foe testicular biopsy in male is: | Testicular Biopsy in Male Infeility The testis biopsy provides direct information regarding the state of spermatogenesis Abnomalities of seminiferous tubules architecture and cellular composition are then categorized into several patterns. This procedure is most useful in the azoospermia patient, in which it is often d... | 13,840 | medmcqa_train |
All of the following are sexually transmitted, Except – | Echinococcus granulosus (Hydatid disease) is not a STD. All other three options are STDs. | 13,841 | medmcqa_train |
A 78-year-old man with a history of coronary aery disease and an asymptomatic reducible inguinal hernia requests an elective hernia repair. Which of the following would be a valid reason for delaying the proposed surgery? | The work of Goldman and others has served to identify risk factors for perioperative myocardial infarction. The highest likelihood is associated with recent myocardial infarction: the more recent the event, the higher the risk up to 6 months. It should be noted, however, that the risk never returns to normal. A non-Q-w... | 13,842 | medmcqa_train |
Among the following, which one is not good dietary source of iron - | Haem iron is present in liver, meat, poultry, and fish. Non haem iron is present in green leafy vegetable,jaggery and dry fruit. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 623 | 13,843 | medmcqa_train |
The fold in collagen is because of presence of: | The fold in collagen is because of presence of Glycine. ADDITIONAL READING ON STRUCTURE OF COLLAGEN: Collagen is made up of 3 alpha- chains (not alpha helix). These 3 chains together make a superhelix --> Tropocollagen(a rope like triple helix) Superhelix (right handed) is oured by Glycine residues. Glycine has the sma... | 13,844 | medmcqa_train |
The unique propey of SERMs is that they: | SERM: 1. Raloxifene- Agonist at bone - Agonist in blood : Increase HDL level- Antagonist at breast: Decrease breast carcinoma risk- Antagonist at endometrium: Decrease endometrium carcinoma- Agonist at liver: Increase thromboembolism risk 2. Tamoxifen- Agonist at bone - Agonist in blood : Increase HDL level- Antagonist... | 13,845 | medmcqa_train |
The common organism isolated in Emphysematous pyeloneohritis is | Emphysematous pyelonephritis (EPN) is a severe, necrotizing infection of the renal parenchyma causing gas formation within the collecting system, renal parenchyma, and/or perirenal tissues. Also called renal emphysema and pneumonephritis. Gas in the renal pelvis alone, without parenchymal gas, is often referred to as e... | 13,846 | medmcqa_train |
Which of the following is the most commonly used site for Transcranial Magnetic Stimulation to reduce frequency of Parkinsonism symptoms: | Answer is C (Subthalamic Nucleus): Primary Targets Subthalamic Nucleus (STN) Globus Pallidus Internus (GPI) Subthalamic Nucleus (STN) is the single most common preferred site for Deep Brain Stimulation in patients with Parkinsonism. Globus Pallidus Internus (GPi) is the second most common site for Deep Brain Stimulatio... | 13,847 | medmcqa_train |
Renal plasma flow is increased by 50-75% during pregnancy. Which of the following is normally seen in the urine of a pregnant woman in the third trimester? | During pregnancy, renal threshold is diminished due to the combined effect of increased glomerular filtration and impaired tubular reabsorption of glucose. Also know: During pregnancy, renal tubules also fail to reabsorb uric acid, amino acids, water soluble vitamins and other substances completely. Glycosuria on one o... | 13,848 | medmcqa_train |
Post transcriptional modification include all except: | Glycosylation is a post translational modification, not a post transcriptional modification. Post Translational Modifications Post Transcriptional Modifications Phosphorylation Capping at 5'end Glycosylation (most frequent) Removal of Introns/ Splicing Hydroxylation Tailing at 3'end Acetylation Vit K Dependent Carboxyl... | 13,849 | medmcqa_train |
Oxalate crytals in urine is seen in - | Oxalate crystals in urine is seen with Ethylene Glycol poisoning. Renal pain and acute tubular necrosis in it, occurs due to renal calcium oxalate precipitation. Other features includes, opthalmoplegia, cranial nerve palsies, hyporeflexia and myoclonus Reference: Harrison20th edition pg pg 789 | 13,850 | medmcqa_train |
An HIV positive patient is pregnant. During which of the following stage is HIV transmission maximum? | Majority of HIV transmission occur during labour (40-80%). Perinatal transmission of HIV: Veical transmission of HIV to the neonate is about 14 - 25%. Transmission of HIV 2 is less frequent (1-4%) than HIV 1(14-35%). Veical transmission of HIV is more in cases with preterm bih and with prolonged membrane rupture. Risk ... | 13,851 | medmcqa_train |
Porin present in- | Ans. is 'd' i.e.. Outer membrane of gram negative bacteria o Cell envelop of bacteria comprises-An outer membrane (only in gram negative bacteria).A cell wall composed of peptidoglycan.Periplasm (only in gram negative bacteria).Cell membrane (cytoplasmic membrane), wrhich encloses cytoplasm.o Outer membranes, which are... | 13,852 | medmcqa_train |
M in 99Tc"' stands for? | Metastable REF: Nuclear Physics: Principles And Applications by Lilley Page 20 "In 99Tcm the superscript M denotes that the technetium 99 is not in its ground state but a long lived metastable excited state" | 13,853 | medmcqa_train |
In MI, which enzyme is raised in 4 to 6 hrs and decreases in 3 to 6 days - | Ans. is 'c' i.e., CPKCreatinine phosphokinase (CK) Previously It was the gold standard marker of acute Ml.o But now it has largely been replaced by troponin T and I (see above explanation).o But, CK remains the best alternative to troponin measurement.CK-MB isotype of this enzyme is specific for myocardium.It is raised... | 13,854 | medmcqa_train |
Which of the following statements in not true regarding Lac Operon concept | Lac operon is regulatory method seen only in prokaryotes. | 13,855 | medmcqa_train |
During treatment for Wilson disease with trientine and penicillamine, free serum copper should be kept below which level? | The normal free copper value is 10-15 mcg/dL and it is often as high as 50 mcg/dL in untreated Wilson's disease. With treatment, free copper should be <25 mcg/dL. Reference: Harrisons Principles of Internal Medicine, 18th Edition, Page 3190 | 13,856 | medmcqa_train |
Psammoma bodies shows which type of calcification - | Ans. is 'b' i.e., Dystrophic | 13,857 | medmcqa_train |
The order of sensory blockade of local anesthesia is: | Individual type of nerve differs in their minimal blocking concentration. Not all sensory and motor modalities are blocked equally by local anesthetics. This is termed differential blockade. For different fibers order of blockade b > AS = C > AU > A b > Aa autonomic > sensory> motor is the sequence of block. for sensor... | 13,858 | medmcqa_train |
Adult patient presents with generalized lymphadenopathy and blood film shows 70percent immature looking lymphocytes. What should be the next best investigation? | Adult pateint presenting with generalized lymphadenopathy and blood film shows 70percent immature looking lymphocytes is highly suggestive of chronic lymphocytic leukemia. Immunophenotyping can be one of the best ways to differentiate between CLL and other B cell neoplasms.( ref Robbins 9/e p593) | 13,859 | medmcqa_train |
True about maximum isolation period of enteric fever is - | Man is the only known reservoir of infection., viz cases, and carriers. A case is infectious as long as bacilli appear in urine or stools Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 258, 259 | 13,860 | medmcqa_train |
All are precancerous lesions of oral cavity except | Premalignant Lesions - Leukoplakia Erythroplakia Oral submucous fibrosis Melanosis and mucosal hyperpigmentation Ref: Dhingra; Textbook of Ear, Nose and Throat; 7th Edition; Page 253 | 13,861 | medmcqa_train |
A known alcoholic is brought to the emergency department by his wife. The person has not consumed alcohol for the past two days due to religious reasons. The person complained of nausea, vomiting and dizziness. On the second day, he developed seizures, that progressed to generalized tonic clonic seizures (GTCs). Which ... | Ans. c. Diazepam (Ref: Niraj Ahuja 6th/39-40; Kaplan Synopsis 10th/396)'Long acting benzodiazepines such as chlordiazepoxide and diazepam or short acting such as lorazepam can be used to treat mild-moderate uncomplicated alcohol withdrawal.''Chlordiazepoxide is preferred over diazepam for treatment of alcohol withdrawa... | 13,862 | medmcqa_train |
A 45 year-male presents with abrupt onset pain, weakness, loss of contour of shoulder and muscle wasting on 5th day of tetanus toxoid immunization. Likely cause is | BRACHIAL PLEXUS INJURIES It can be: Supraclavicular injury 65% Infraclavicular injury 25% Combined 10% It can also be: Upper plexus injury. Lower plexus injury. It can be: Pre-ganglionic injury Post-ganglionic injury Avulsion injury Usually less severe More dangerous Better recovery Extends into the spinal cord Upper p... | 13,863 | medmcqa_train |
A patient undergoes a lipid profile screening. On withdrawing the blood, it appears white in colour, Which of the following is the most probable elevated lipoprotein? | Answer- A. Chylomicrons White (Lactescent) appearance is caused by chylomicrons. | 13,864 | medmcqa_train |
Earliest sensation to be lost in Hansens disease is – | Temperature is the first sensation that is lost. The next sensation lost is light touch then pain. Deep pressure is lost finally. | 13,865 | medmcqa_train |
Corneal endothelium is derived from: | SURFACE ECTODERM - LENS- Epithelium of the all structures except ciliary body & iris- Glands NEURAL ECTODERM - Epithelium of ciliary body & iris- Retinal pigment epithelium- Optic nerve- Sphincter and dilator pupillae muscles - Smooth muscles of iris MESODERM - EXTRAOCULAR MUSCLES- Endothelium of all the orbit & stroma... | 13,866 | medmcqa_train |
Management of a 6-year-old child with recurrent URTI with mouth breathing and failure to thrive with high arched palate and impaired hearing is: | (d) Adenoidectomy with grommet insertion(Ref. Scott Brown, Vol 2; 288)Recurrent URTI with mouth breathing and failure to thrive in the given 6-year-old child with high arched palate is due to persistently hypertrophied adenoids.The impaired hearing is due to serous otitis media which in turn is because of hypertrophied... | 13,867 | medmcqa_train |
What is affected in bipolar disorder | Bipolar disorder earlier known as manic-depressive psychosis is characterised by recurrent episodes of mania and depression in the same patient at different times. These episodes can occur in any sequence. (Ref: a sho textbook of psychiatry, NirajAhujaa, 7th edition, pg no.73) | 13,868 | medmcqa_train |
A patient given one of the following drug develops low grade fever, muscle and joint ache, chest pain and skin rashes. Lab investigations showed presence of antihistone antibodies. Symptoms however subsided after discontinuation of the drug. Which is the drug that caused the reaction? | Hydralazine, procainamide, isoniazid and penicillamine are most commonly associated with drug induced lupus. The list of substances that can induce lupus-like disease is long. Among the most frequent are: Antiarrhythmic, procainamide, disopyramide, and propafenone Antihypeensive: hydralazine; several angiotensin-convei... | 13,869 | medmcqa_train |
Glomus tumor is seen in | GLOMUS TUMOUR, also called as glomangioma, arises from the cutaneous glomus composed of a touous aeriole which communicates directly into the venule (Sucquet-Hoyer canal) and these vessels being surrounded by network of small nerves making this lesion very painful. It consists of a mixture of blood spaces, nonmedullate... | 13,870 | medmcqa_train |
In endodontics, a long cone open-ended cylinder is used as an adjunct with paralleling technique in order to: | Image size distortion (magnification) is the increase in size of the image on the radiograph compared with the actual size of the object. The divergent paths of photons in an X-ray beam cause enlargement of the image on a radiograph. Image size distortion results from the relative distances of the focal spot-to-image r... | 13,871 | medmcqa_train |
Concerning Brachial plexus, which of the following facts are true: | A, B, C i.e. Formed by spinal nerve C5 - T1, Most common site of injury is upper trunk , Injury may occur during breech delivery, & Lower trunk injury results in hand deformity | 13,872 | medmcqa_train |
The presence of which of the following features in an atherosclerotic plaque indicates that it has become a complicated lesion? | Complicated lesions indicate advanced atherosclerotic disease. They arise in atherosclerotic plaques, and render them more susceptible to sudden occlusion and acute infarction of the supplied tissues. Commonly, the plaque ulcerates or ruptures, and the exposed surfaces, being highly thrombogenic, precipitate thrombus f... | 13,873 | medmcqa_train |
Which is the most common testicular tumor in patients older than 60 years? | Testicular lymphoma is the most common testicular tumor in patients older than 60 years. | 13,874 | medmcqa_train |
Pointing finger is due to injury to which nerve? | Complete interruption of the median nerve results in inability to pronate the forearm or flex the hand in a radial direction, paralysis of flexion of the index finger and terminal phalanx of the thumb, weakness of flexion of the remaining fingers, weakness of opposition and abduction of the thumb in the plane at a righ... | 13,875 | medmcqa_train |
Autonomous hyperplasia is seen in- | Fibromatosis is a group of fibroblastic proliferation distinguished by their tendency to grow in an infiltrative fashion and in many cases intend to recover after surgical removal. They can be isolated lesions or as a component of Gardner syndrome, an autosomal dominant disorder. Hence we can conclude that fibromatosis... | 13,876 | medmcqa_train |
Fordyce disease most commonly effects | FSs are ectopic sebaceous glands seen commonly on the lips (upper lip > lower lip), buccal, and genital mucosa. Infrequently, they can also be seen on oesophagus, uterine cervix, sole of the foot, and tongue. Histopathologically, a FS consists of a sebaceous lobule or gland located in the dermis. The Dermoscopy of FS o... | 13,877 | medmcqa_train |
Branching enzyme deficiency is seen in | Type Name Enzyme Deficiency Clinical Features IV Amylopectinosis, Andersen disease Branching enzyme Hepatosplenomegaly Accumulation of polysaccharide with few branch points Death from hea or liver failure before age 5 Reference: Harper; 30th edition; Table: 18-2; Page no: 179 | 13,878 | medmcqa_train |
Alveolar hemorrhage and hemosiderin laden macrophages ? | Ans. is 'b' Goodpasture syndrome Goodpasture syndromeGoodpasture syndrome is a rare condition characterized by rapid destruction of the kidney and diffuse pulmonary hemorrhage.It is an autoimmune disease characterized by presence of circulating autoantibodies targeted against basement membrane of lung and kidney.These ... | 13,879 | medmcqa_train |
Most sensitive test for assessment of fetal well being is | (Biparietal diameter) (85-Dutta 6th)Real ultrasound measurement of fetal growth* First trimester - Crown - rump length* Second trimester - Biparietal diameter (BPD)* Third trimester - Multiple foetal growth parameters are considered together. These are- Prior to 36 weeks - Combination of biparietal diameter, abdominal ... | 13,880 | medmcqa_train |
A 53 year old male man cpmplains of pain around his cheek and neck. On examination there is pus pouring out from his Stenson's duct. Which gland is involved? | Ans. is 'a' i.e., Parotid gland STENSONDUCTPAROTID GLANDThe exit of the parotid ducts can be felt as small bumps (Papillae) on both sides of the mouth, and are usually positioned next to the maxillary second molars.WHARTONDUCTSUBMANDIBULARGLANDIt then passes between the sublingual gland and the genioglossus and opens b... | 13,881 | medmcqa_train |
A 2 year old child is brought to the hospital with a compressible swelling at the root of nose, most likely diagnosis is: | Lacrimal sac cyst occurs as a compressible swelling near the medial canthus and not root of nose. Ethmoid cyst (mucocele) presents as a swelling at the medial quadrant of orbit pushing the orbit forwards and laterally. AV malformation is a congenital abnormal connection between aeries and veins, bypassing the capillary... | 13,882 | medmcqa_train |
Wards in an hospital are sterilized by the following method: | Formaldehyde gas is used for sterilizing instruments and heat sensitive catheters and for fumigating wards, sick rooms and laboratories. Under properly controlled conditions, clothing, bedding, furniture, and books can be satisfactorily disinfected. In aqueous solutions, it is markedly bactericidal and sporicidal and a... | 13,883 | medmcqa_train |
After dinner, woman develops sudden-onset9 severe, generalized abdominal pain, and accompanied by deterioration in patient's condition. The abdomen exhibits a board-like rigidity and the patient is disinclined to move because of the pain. The classical presentation is due to | (C) Perforated peptic ulcer # Clinical features Perforated peptic ulcer:> The classic presentation is instantly recognizable. The patient, who may have a history of peptic ulceration, develops sudden- onset, severe, generalized abdominal pain as a result of the irritant effect of gastric acid on the peritoneum.> Althou... | 13,884 | medmcqa_train |
Which of the following anti-tubercular drug is contraindicated in pregnancy? | Streptomycin is a bactericidal antibiotic, the first of a class of drugs called aminoglycosides to be discovered, and was the first antibiotic remedy for tuberculosis. It is derived from the actinobacterium Streptomyces griseus. Streptomycin cannot be given orally, but must be administered by regular intramuscular inje... | 13,885 | medmcqa_train |
A 22-year-old man has features of arm span greater than height, subluxed lenses, flattened corneas, and dilation of the aortic ring. Which of the following is the most likely diagnosis? | The severe form of Marfan syndrome is caused by a mutation in a single allele of the fibrillin gene (FBN1). The gene product is a major component of elastin-associated microfibrils. Long, thin extremities; ectopia lentis; and aortic aneurysms are the classical triad. Milder forms of the disease probably also occur but ... | 13,886 | medmcqa_train |
A person working in an abattoir presented with malignant pustule on hand; What is the causative agent? | Bacillus Anthrax causes malignant pustule which later becomes vesicule containing fluid, this is also known as cutaneous Anthrax or Hide poer's disease since it is common in dockworkers containing load of hides and skin on their back surface. | 13,887 | medmcqa_train |
De - quern's tenovaginitis involves ? | Ans. is 'c' i.e., Both of the above De-Quern's tenovaginitis is characterized by pain over the styloid process of the radius and palpable thickening in the course of the abductor pollicis longus and extensor pollicis brevis tendons. The fibrous sheaths of the abductor pollicis longus and extensor pollicis brevis tendon... | 13,888 | medmcqa_train |
Earliest feature of Tuberous sclerosis is: | Ash leaf spot | 13,889 | medmcqa_train |
Lower limit of left crus of diaphragm is at which veebral level: | Veebral levels5th rib, 5th intercostal space, T9 veebra: Right and left dome of diaphragm at max expirationC3 veebra: Hyoid boneC6 veebra: Inferior border of cricoid cailage, division of larynx and tracheaC6 veebra: Inferior cricoid cailage, division of larynx and tracheaC6-T1 veebra: Thyroid glandC7 veebra: Veebra pro... | 13,890 | medmcqa_train |
Wimberger sign is seen in | Radiological features of scurvy: Palkan spur : metaphyseal spurs projecting at right angles to the shaft. White line of Frankel : calcified cailage in the metaphysis Trumefeld zone : zone of rarefraction below the white line of Frankel Wimburger sign : ring surrounding the ephiphyseal centres of ossification Pencil thi... | 13,891 | medmcqa_train |
Slap cheek appearance is seen in | Ans. is 'a' i.e., Erythema infectiosum | 13,892 | medmcqa_train |
Most common cause of pyelonephritis in pregnancy is - | Ans. is 'a' i.e., E. coli Pyelonephritis in pregnancyo There is increased chance of urinary tract infection in females as compared to males.o The overall incidence of pyelonephritis in pregnancy is between 1% and 3%.o It is more common in primigravidae than multiparae. Previous history of urinary tract infection increa... | 13,893 | medmcqa_train |
Least energy producing cycle | Ans. is 'c' i.e.,HMP shunt HMP shunt does not produce energy.HMP shunt is paicularly impoant for two purposes :-Synthesis of ribose for nucleotide and nucleic acid formation.Formation of NADPH which plays impoant role in several other biological processes, e.g. synthesis of fatty acids, cholesterol, steroid hormones an... | 13,894 | medmcqa_train |
Aschoff bodies are seen in | Aschoff bodies are pathognomonic of Rheumatic heart disease. | 13,895 | medmcqa_train |
All of the following causes death in coarctation of Aoa except: | Answer is D (Anterior MI)Myocardial Infarction has not been listed as a hazard /cause of death in coarctation of AoaCauses of death in coarctation of Aoa (CSDT / CMDT)Congestive Hea FailureEndo carditisAoic RuptureIntracranialHemorrhage HypeensionAoic dissectionDeath is most frequently caused by complication of Hypeens... | 13,896 | medmcqa_train |
The loading dose of Aminophylline is- | Ans. is 'd' i.e. 5-6 mg/kg o Aminophylline is a preparation of theophylline, where theophylline is complexed with EDTA. o The i.v. injection must be slow (loading dose of 5 mg/kg over 20 min followed by an infusion of 9 mg/kg/h, adjusted according to subsequent plasma theophylline concentrations). | 13,897 | medmcqa_train |
Animal reservoir for swine influenza virus is | The swine flu virus H1N1 caused a localised outbreak in a militiary camp in USA. | 13,898 | medmcqa_train |
Sensitivity of mammography is low in young females because | Young females have dense brest tissue,thus sensitivity of mammo is low. | 13,899 | medmcqa_train |
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