query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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Cause of death in Carcinoma penis is usually - | Inguinal lymph nodes erode the skin of the groin and the death of the patient may be due to involvement of the femoral or external iliac artery with torrential hemorrhage. | 158,600 | medmcqa_train |
All are true about levamisole EXCEPT: | Levamisole- Active against many nematodes, but use is restricted to ascariasis and ancylostomiasis because the action on other worms is poor. The ganglia in worms are stimulated causing tonic paralysis and expulsion of live worms. Interference with carbohydrate metabolism (inhibition of fumarate reductase)may also cont... | 158,601 | medmcqa_train |
In patients with osteoahritis of knee joint, atrophy occurs most commonly in which muscle : | Quadriceps only Met Maheshwari 3/e, p 253;Apley's 8/e, p 472] In osteoahritis of knee joint, the quadriceps muscle is usually wasted. | 158,602 | medmcqa_train |
All of the following are pyrogenic cytokines, Except- | Ans. is 'a' i.e., Interleukin 18 (IL-18) Interleukin 18 is not a pyrogenic cytokine. | 158,603 | medmcqa_train |
All of the following are known causes of recurrent aboion, except: | SLE is associated with antiphospholipid syndrome (anti cardiolipin antibodies) and is known to cause recurrent aboions. RH incompatibility is a known cause for spontaneous aboion and may lead to recurrent aboions if it remains unrecognized. Syphilis has also lead to recurrent aboion. TORCH is thus the single best answe... | 158,604 | medmcqa_train |
Pontaic, fever is caused by - | Ans. is 'a' i.e., Legionella | 158,605 | medmcqa_train |
A patient presents with fever, cough with sputum and weight loss. He has a history of not completing treatment for tuberculosis thrice in the past. XDR-TB is suspected. How is XDR-Tb defined? | XDR-TB (Extensively drug-resistant TB) is defined as MDR TB (Resistant to rifampicin and isoniazid) + Resistant to one fluoroquinolone (eg. ofloxacin) + resistance to one injectable second line drug (Amikacin or kanamycin or capreomycin). Reference: Ananthanarayan and Paniker&;s Textbook of Microbiology Tenth edition | 158,606 | medmcqa_train |
False about acute aluminium phosphate poisoning: | D i.e. Oesophageal stricture Aluminium (zinc) phosphide or celphos poisoning liberates phosphine gas which inhibits mitochondrial cytochrome oxidase, respiratory chain enzymes and electron transpo systemQ. It is a systemic poison and kills most of patients with in 24 hours secondry to cardiovascular collapse d/t direct... | 158,607 | medmcqa_train |
Injury occurs at C7 root, in what pa of arm, sensation will be lost ? | Ans. is 'd' i.e., None of the above | 158,608 | medmcqa_train |
A child having delayed separaion of umbilical cord with leukocytosis with Downs syndrome and recurrent infections. Diagnosis ? | Leukocyte adhesion deficiency (LAD) is a rare primary immunodeficiency. The clinical picture is characterized by marked leukocytosis and localized bacterial infections that are difficult to detect until they have progressed to an extensive level secondary to lack of leukocyte recruitment at the site of infection. Thus ... | 158,609 | medmcqa_train |
False regarding Cytochrome P 450 is ? | Ans. is d i.e., They are non heme proteins CYTOCHROME P450 They CYP450 are essential for the production of cholesterols, steroids, prostacyclins and thromboxane A2. They are also essential for the metabolism of foreign chemicals and detoxification of drugs. CYP 450 enzymes are so named because they are bound to membran... | 158,610 | medmcqa_train |
The mode of inheritance of Incontinentia pigmenti is - | Ans- C X-linked dominant | 158,611 | medmcqa_train |
Ramu, presents with recurrent attacks of cholelithiasis, U/S examination shows a dilated CBD of 1 cm. The next line of management is ? | Ans. is A ie. ERCP The first inv. for any pt. with cholelithiasis or jaundice is U/S. Next inv. depends on U/S findings, If the intrahepatic ducts are dilated without any extrahepatic dilatation then the preferred inv. is ----> PTC* If the dilatation is in CBD ---> ERCP*. ERCP may provide direct diagnosis of the distal... | 158,612 | medmcqa_train |
A 50 year old male patient came with the complaint of palpitations. Examination of pulse revealed irregular heabeat and advised ECG recording. Spread of cardiac impulse is fastest in which of the following structure | Conduction speed in cardiac tissue: Tissue Conduction Rate SA node 0.05 Atrial pathways 1 AV node 0.05 Bundle of His 1 Purkinje system 4 Ventricular muscle 1 Purkinje fibers also have the ability of firing at a rate of 15-40 beats per minute if upstream conduction or pacemaking ability is compromised. In contrast, the ... | 158,613 | medmcqa_train |
Golgi tendon apparatus conveys message to CNS, depends upon: | Golgi tendon organs are in series with the muscle fibers, they are stimulated by both passive stretch and active contraction of the muscle, when tension increases inside muscle. | 158,614 | medmcqa_train |
Best stimuli for secretin is- | B i.e. Acid | 158,615 | medmcqa_train |
Drugs used in congestive hea failure are All except | As a medication, adrenaline is used to treat a number of conditions including anaphylaxis, cardiac arrest, and superficial bleeding. Inhaled adrenaline may be used to improve the symptoms of croup. It may also be used for asthma when other treatments are not effective. It is given intravenously, by injection into a mus... | 158,616 | medmcqa_train |
All are transmitted by blood except - | Ans-CEpstein Barr Virus??? Viruses associated with blood transfusion:Hepatitis C virus:Hepatitis G virus:Hepatitis B virusHIV type IHTLV Type ICytomegalovirusParvovirus B-19HGVA recently discovered and identified non A-E hepatitis virus has been designated the name Hepatitis G virus (HGV) which is a member of Flaviviri... | 158,617 | medmcqa_train |
An adult patient presents with leg pain. On examination there is gangrene of his toe. What would be the ankle to brachial aerial pressure ratio in this patient ? | Since this patient has developed gangrene of the toe ankle to brachial presure ratio should be less than 0.3. Ratio of ankle to brachial systolic pressure (ankle brachial index) is obtained to determine the presence and magnitude of occlusive disease. The ankle brachial index of 0.9 - 1.0 indicates normalcy or minimal ... | 158,618 | medmcqa_train |
The infection that is spreading to the newborn by caregivers? | Ans is (c) i.e Candida Paraspilosis Ref Clin MicroHol Rev. Oct 2008: 21(4): 606-625 Candida parapsilosis is an emerging major human pathogen that has dramatically increased in significance and prevalence over the past 2 decades, such that C. parapsilosis is now the second leading causes of invasive candidal disease. In... | 158,619 | medmcqa_train |
Hepatotoxic drugs are | Refer KDT 6/e p372 Massive liver necrosis following Halothane anaesthesia is seen in some cases If chloroform cos given for long period liver damage occurs | 158,620 | medmcqa_train |
Which of the following statement is false regarding phenobarbitone: September 2011 | Ans. D: N significant interaction with warfarin Barbiturates stimulates hepatic microsomal catabolism of warfarin Phenobarbital/ Phenobarbitone It is a barbiturate It is the most widely used anticonvulsant worldwide, and the oldest still commonly used. The World Health Organization recommends its use as first-line for ... | 158,621 | medmcqa_train |
Optic tract fibers project to the superior colliculi for | Optic tract fibers project to the superior colliculi for reflex gazesPretectal area for the light reflexSuprachiasmatic nucleus of the anterior hypothalamus for generation of circadian rhythms | 158,622 | medmcqa_train |
Traid of Bulgar urethral injury includes all except | Pelvic hematoma occurs in membranous urethral injury not bulbar urethral injury. | 158,623 | medmcqa_train |
Which of the following deals with section 377, I.P.C? | Voluntary sexual intercourse against the order of nature with any man, woman, or animal is an unnatural sexual offence (Section 377 I.P.C). Penetration is sufficient to constitute the offence. These offences are punishable with imprisonment for life or upto ten years and also with fine. Ref: The Essentials of Forensic ... | 158,624 | medmcqa_train |
A 60-year man had undergone cardiac bypass surgery 2 days back. Now he staed forgetting things and was not able to recall names and phone numbers of his relatives. What is the probable diagnosis? | The history of cardiac surgery 2 days prior followed by behavioral changes is suggestive of delirium. The question here is stressing on "disturbances of memory" which can be seen in delirium, however are usually restricted to sho term memory loss. The other impoant features such as clouding of consciousness and attenti... | 158,625 | medmcqa_train |
Striatum damage affects priming | Implicit memory is subdivided into 4 types. Procedural memory includes skills and habits, which one acquired become unconscious and automatic. Priming is facilitation of recognition of words or objects by prior exposure to them. Ganong&;s review of medical physiology; 23rd edition; pg: 290 | 158,626 | medmcqa_train |
In facial palsy, food accumulated in the mouth due to paralysis of | (D) Buccinator > The facial nerve contributes to the oropharyngeal phase of deglutition via the buccinator, perioral, digastricus posterior, and stylohyoid muscles. The gustatory and salivatory functions of the facial nerve are also known to contribute to swallowing.> The relation between peripheral facial nerve palsy ... | 158,627 | medmcqa_train |
Glycogen phosphorylase coenzyme associated is? | ANSWER: (D) Pyridoxal phosphateREF: Lehninger Principles of Biochemistry 4th edition page 562Pyridoxal phosphate is an essential cofactor in the glycogen phosphorylase reaction; itsphosphate group acts as a general acid catalyst, promoting attack by Pi on the glycosidic bond. (This is an unusual role for this cofactor;... | 158,628 | medmcqa_train |
The minimum number of feeding days in a year recommended, under Mid-day meal programme is | Recommended norms of 450 Kcal and 12 g protein for a minimum of 200 days Ref : Park 23rd edition Pgno :661 | 158,629 | medmcqa_train |
Most characteristic eye lesion in diabetes is | Most characteristic - Capillary aneurysm. | 158,630 | medmcqa_train |
A 24-year-old female complains of suicidal ideation. She lost her family in a car accident earlier this year. Since then, she had problems with focusing on her work. She was laid off from her work as she was making many errors due to false judgment. She was rescued from suicidal attempts a couple of times. She was pres... | Answer: c) MethohexitalMethohexital has minimum interference with therapeutic induction of seizures. Hence, it is the drug of choice for electroconvulsive therapy (ECT).Propofol can be used as an alternative if methohexital is contraindicated.Therapeutic seizures induced by ECT typically last for 15-70s.The steps invol... | 158,631 | medmcqa_train |
40 yr old with koilonychias, iron deficiency & dysphagia, diagnosis is - | Ans. is 'a' i.e., Plummer Vinson syndrome Plummer-Vinson syndromeo Plummer-Vinson syndrome, also known as Brown-Kelly-Paterson syndrome or sederopenic dysphagia, seen in middle aged edentulous women.o The plummer Vinsion Paterson Brown Kelly Syndrome is characterized by: -DysphagiaChronic iron deficiency anemiaAtrophic... | 158,632 | medmcqa_train |
The most common site of perforation in tympanic membrane is | Perforations. They may be central, attic or marginal and are associated with chronic otitis media The most common site of Tympanic membrane perforation is antero-inferior quadrant. Ref : Diseases of ENT by Dhingra 6th edition Pgno : 56,71 | 158,633 | medmcqa_train |
A carrier who gets infected from another carrier is known as:- | Paradoxical carrier - A person gets infected from another carrier and himself becomes Carrier. Carriers are of 6 major types: Content carrier - Carrier gets infection from a case Paradoxical carrier - Carrier gets infection from another carrier Chronic carrier - Carrier for duration of more than 6 months Incubatory car... | 158,634 | medmcqa_train |
Which is the treatment of choice for CA head of pancreas | Answer- C. Whipple's SurgeryWhipples operation (Pancreaticoduodenectomy) is the most commonly performed operation for carcinoma of head of Pancreas. | 158,635 | medmcqa_train |
Kartagener's syndrome increase risk of - | Ans. is 'c' i.e., Bronchieactasis | 158,636 | medmcqa_train |
An accused in a case of sodomy is brought for Medical Examination. On detailed questioning, he reveals that he is an active agent and is a regular participant. Which of the following will not be seen during the examination of the accused - | Presence of thick uniform coating of smegma under prepuce and around corona glandis is suggestive of absence of inter course (vaginal or anal) within the last 24 hours since it gets rubbed off during the sexual act.
However, its an unreliable sign with no medicolegal value as its presence or absence depends on personal... | 158,637 | medmcqa_train |
30 yea raid female comes with acute breathelessness, neck vein distension, absent breath sounds and mediastinal shift. Which of the following should be done immediately: (PGI June 2008) | Ans.: D {Large bore needls puncture of thorax) (Ref Harrison 17th/1660; Oxford Textbook of Surgery'/1932}The young lady from the case history is suffering from tension pneumothorax.The immediate management of such patient should be large bore neelds punctureQ of thorax through second anterior intercostals space to save... | 158,638 | medmcqa_train |
All are true statements about Conversion disorder except | Conversion Disorder Conversion disorder is characterised by the following clinical features: 1. Presence of symptoms or deficits affecting motor or sensory function, suggesting a medical or neurological disorder. 2. Sudden onset. 3. Development of symptoms usually in the presence of a significant psychosocial stressor(... | 158,639 | medmcqa_train |
HLA gene for abacavir hypersensitivity is? | Drug allergies are the most significant allergic reactions occurring in HIV-infected patients and appear to become more common as the disease progresses. Anaphylaxis is extremely rare in patients with HIV infection, and patients who have a cutaneous reaction during a single course of therapy can still be considered can... | 158,640 | medmcqa_train |
Major Pyrogenic cytokine: | Ans. D. IL-1. (Ref Robbins Basic Pathology 8th/ Table 2-6).IL-1: fever.IL-2: stimulates T cells.IL-3: stimulates bone marrow.IL-4: stimulates IgE production.IL-5: stimulates IgA production.IL-6: stimulates acute-phase protein production.IL-8: recruites Neutrophils. Tumor Necrosis Factor and Interleukin-1# TNF and IL-1 ... | 158,641 | medmcqa_train |
True about Gaucher disease | This is an inborn error of metabolism due to failure of degradation of glucocerebrosides. The enzyme beta-glucosidase is deficient in this condition.Ref: DM Vasudevan, 7th edition, page no: 192 | 158,642 | medmcqa_train |
Stages of pneumonia are all except:- | The stages of pneumonia/consolidation are:-
i. Stage of Exudation
ii. Stage of Red hepatisation
iii. Stage of Grey hepatisation
iv. Stage of Resolution | 158,643 | medmcqa_train |
Most common Complication of TIPSS procedure | Since systemic blood is shunted toxins ( NH3) travel to brain
causing encephalopathy. Hence TIPSS is contra indicated in
encephalopathy patients. | 158,644 | medmcqa_train |
Schirmer's test detects abnormality of which nerve? | (Refer: AK Khurana Comprehensive Ophthalmology, 6th edition, pg no. 389)*Schirmer's test is used for the production of tear by lacrimal glands*Preganglion secretory fibers for lacrimal gland arise from the lacrimatory nucleus and pass through the facial nerve, then to its greater petrosal branch. Greater petrosal nerve... | 158,645 | medmcqa_train |
All except one is required for the diagnosis of obesity hypoventilation syndrome | Repeated | 158,646 | medmcqa_train |
OCP are associated with which of the following complication (Repeat 2009) | Ans b (Optic neuritis)Ophthalmic complication of OCP central retinal artery occlusion prethrombosis of central retinal vein perivasculitis, inflammation of anterior segment of the eye ' macular hemorrage Papillitis & lesions of optic nerve causing variable degree of visual loss | 158,647 | medmcqa_train |
Hydrogen sulphide acts on which complex of cytochrome oxidase | Complex IV inhibitors i. Carbon monoxide, inhibits cellular respiration ii. Cyanide (CN-) iii. Azide (N3-) iv. Hydrogen sulphide (H2S)Ref: DM Vasudevan Textbook of Medical Biochemistry, 6th edition, page no: 234 | 158,648 | medmcqa_train |
Which structure lies midway between the ASIS & pubic symphysis : | A. i.e. Femoral aery Femoral aery traverses the femoral triangle from its base (which is formed by inguinal ligament - attached between ASIS and Pubic tubercle) at midinguinal pointQDeep inguinal ring lies 1/2 inch above midinguinal pointQ; Superficial inguinal ring lies I/2 inch bellow midinguinal point; and Saphenous... | 158,649 | medmcqa_train |
First antibody to appear in hepatitis - | Anti-HBV appears in serum a week or two after the appearance of HBsAg. It is therfore the earliest antibody marker to be seen in blood? long before anti-HBe or anti-HBs. REF:ANANTHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO-546 | 158,650 | medmcqa_train |
In which of the following vasculitis lung involvement does not occur: | Answer- B. Polyaeritis nodosa (PAN)Microscopic polyangiitis (microscopic polyaeritis, hypersensitivity, or leukocytoclastic vasculitis): This type of necrotizing vasculitis generally affects aerioles, capillaries, and venule.Wegener granulomatosis (Granulomatosis with polyangitis)- is a necrotizing vasculitis character... | 158,651 | medmcqa_train |
Which of the following drug is commonly used in narcoanalysis? | Ans. (B) Scopolamine hydrochloride(Ref: J Psychiatry and Law 1993:3:447-471)Controlled administration of intravenous hypnotics to obtain information from subjects who are unable or unwilling to provide it otherwise, is known as Narcoanalysis or Narcosynthesis.Drugs used for narcoanalysis are:[?]Ethanol[?]Scopolamine[?]... | 158,652 | medmcqa_train |
The function common to neutrophils, monocytes, and macrophages is: | Phagocytic cells are: neutrophils monocytes macrophages | 158,653 | medmcqa_train |
Which of the following enzyme is involved in rejoining sho fragments of DNA on the lagging strand? | The okasaki fragments that are sho segments of DNA formed on the lagging strand of DNA in the 5'-3' direction are joined by DNA ligase. Ref: Textbook of Biochemistry By D M Vasudevan, 3rd Edition, Pages 347-8 | 158,654 | medmcqa_train |
Ototoxicity caused by: | Ans. (b) StreptomycinRef : KDT 6th ed. / 743-44* Streptomycin has been assigned to pregnancy category D by the FDA.* Streptomycin crosses the placenta; reported cord concentrations have been equal to or less than the mothers serum concentration.* There are reports of fetal eighth cranial nerve damage with subsequent bi... | 158,655 | medmcqa_train |
The instrument below is used for | This is used for monitoring temperature, core temperature monitoring. | 158,656 | medmcqa_train |
Alkalinization of urine is required to treat toxicity of all except: | Changes in urinary pH affect tubular reabsorption of drugs that are paially ionized - * Weak bases are ionize more and are less reabsorbed in acidic urine.* Weak acids ionize more and are less reabsorbed in alkaline urine. Urine is alkalinized in barbiturate, methotrexate and salicylate poisoning. | 158,657 | medmcqa_train |
Which of the following is the feature of vegetations in Libmann Sacks endocarditis? | Mitral and tricuspid valvulitis with small, sterile vegetations, called Libman-Sacks endocarditis, is occasionally encountered in systemic lupus erythematosus. The lesions are small (1 to 4 mm in diameter), single or multiple, sterile, pink vegetations with a way (verrucous) appearance. They may be located on the under... | 158,658 | medmcqa_train |
Permanent impairment of fingerprints occurs in all except | Permanent impairment of fingerprints occurs in: Leprosy Electrical injuries Radiation injuries Ridge alteration occur in: Acanthosis nigricans Scleroderma | 158,659 | medmcqa_train |
True about ascent to high altitude: | Respiratory alkalosis occurs Polycythemia is due to increased erythropoietin Acute mountain sickness develops 8-24 hr after arrival at altitude and lasts 4-8 days. Acute altitude illness: 3 forms Acute mountain sickness (AMS) The pathophysiology of AMS is not well understood. The essential factor responsible for this c... | 158,660 | medmcqa_train |
Phenol test or Reidel Walker test is done to determine: | Ans. d. Efficacy of a disinfectants | 158,661 | medmcqa_train |
Goodpasture syndrome has antibodies against: | (Refer: Robbins Pathologic Basis of Disease, 8thedition, pg no: 709) | 158,662 | medmcqa_train |
Zygote is dependent on which of the following for its nutrition - | Ans. is 'd' i.e., All the above While zygote is passing down the fallopian tube and after a brief period as it enters the uterus, it depends for its nutrition on the yolk sac granules (deutoplasm) embedded in its cytoplasm and on the fluid medium surrounding it which is secreted by the walls of the uterine tube and ute... | 158,663 | medmcqa_train |
Urine is collected for examination in a pregnant female by : | Early morning sample | 158,664 | medmcqa_train |
Okazaki fragments are found during | DNA synthesis is always into 5&; to 3&; direction in both strands The strand which is discontinuously synthesized is referred to as the &;lagging strand &; otherwise called the retrograde strand The small DNA molecules attached to its own primer RNA are called Okazaki fragments The synthesis along the lagging strand is... | 158,665 | medmcqa_train |
Which type of pelvis is associated with increased incidence of 'face to pubis' delivery: | As discussed in the text in Table 1.1 face-to-pubis delivery is common in anthropoid pelvis. | 158,666 | medmcqa_train |
HIV primarily replications in which cells - | Ans. is 'a' i.e., CD4 T-cells * The receptor for the virus is the CD4 antigen on surface. The cells affected are :# CD4 T Cells (major target)# B lymphocytes# Monocytes and macrophages# Langerhans cells in dermis# Glial cells and microglia in the CNS# Follicular dendritic cells from tonsils can be infected by HIV witho... | 158,667 | medmcqa_train |
According to The Workmen's Compensation Act, 1923, which of the following is considered an occupational disease? | Ans. b. Anthrax (Ref: style="font-size: 1.04761904761905em; font-family: Times New Roman, Times, serif; margin: 0 0 0 8px; text-indent: 0">According to The Workmen's Compensation Act, 1923, Anthrax is considered an occupational disease.List of Occupational Diseases as per Employee Compensation Act 1923 (Workmen Compens... | 158,668 | medmcqa_train |
Radiological factors indicating an unstable pelvis are all except: | Radiographic factors indicating unstable pelvis are: Posterior sacroiliac complex displacement >1cm Avulsion fracture of sacral or ischial end of the sacrospinous ligament. Avulsion fractures of the L5 transverse process Disruption of pubic symphysis with pubic diastasis of 2 cm with posterior pelvic injury or injury t... | 158,669 | medmcqa_train |
Xiphoid process fuses with body of sternum by: | 40 years | 158,670 | medmcqa_train |
Uveitis is caused by –a) TBb) Staphylococcusc) Streptococcusd) Klebsiellae) E.Coli | TB causes chronic granulomatous uveitis.
Staphylococcus and streptococcus cause acute non-granulomatous pyogenic uveitis. | 158,671 | medmcqa_train |
A young female presented to you with primary amenorrhea. Examination reveals normal breast development and absent axillary hairs. Pelvic examination shows a normally developed vagina with clitoromegaly. On ultrasound, gonads are visible in the inguinal region. What is the most likely diagnosis? | Ans. is b, i.e. Partial androgen insentivity syndromeIn the question patient has 1deg amenorrhea:* Breast development is normal and absent axillary hair. (This means it cannot be Mayer Rokitansky kiister hauser syndrome --where Breast and pubic as well as axillary hair are well developed and it cannot be Gonadal dysgen... | 158,672 | medmcqa_train |
A patient presents with thrombocytopenia, eczema and recurrent infections. What is the most probable diagnosis? | Wiskott-Aldrich syndrome (WAS) is an X-linked platelet/immunologic disorder caused by mutations in the WASP gene. The triad of eczema, recurrent infections, and microthrombocytopenia that characterizes WAS only occurs in 27% of the cases. The immunologic defects include low serum concentrations of IgM, while IgA and Ig... | 158,673 | medmcqa_train |
A baby presents with refusal to feed, skin lesions, seizures, ketosis organic acids in urine with normal ammonia; likely diagnosis is: | Baby in the above mentioned case scenario is showing signs and symptoms of multiple carboxylase deficiency such as dermatitis severe metabolic acidosis, organic acid excretion. Ref: Essentials of Pediatrics By Nelson, 16th Edition, Pages 356 ; The Embryo: Scientific Discovery and Medical Ethics By Shraga Blazer, Page 2... | 158,674 | medmcqa_train |
Carbamoyl phosphate intermediates the synthesis of | (B) Urea & Pyrimidine # Biosynthesis of urea begins with the condensation of CC>2, NHs and ATP to form carbamoyl phosphate, a reaction catalyzed by carbamoyl phosphate synthase I which is a mitochondrial enzyme, and rate limiting or pacemaker enzyme and the enzyme is active only in the presence of its allosteric activa... | 158,675 | medmcqa_train |
Which of the following is not true about Diplococcus pneumoniae | Streptococcus pneumoniae is optochin sensitive. Optochin sensitivity: the sensitivity of Streptococcus pneumoniae to optochin is useful in differentiating it from other streptococci. When a disc impregnated with optochin is applied on a plate of blood agar inoculated with Streptococcus pneumoniae, a wide zone of inhibi... | 158,676 | medmcqa_train |
A patient on Bilonatumomab for refractory B cell All is now resistance to the drug. Which drug to be used:- | Drug Mechanism Use Vorinostat HDAC inhibitor Cutaneous T cell lymphoma Brentuximab Man against CD30 Hodgkin lymphoma Pembrolizumab PD-1 Melanoma Lung Cancer Head and neck cancer Tisagenlecleucel Ca therapy ALL Blinatumomab Bispecific t-cell engages ( targets CD19 and CD3) ALL | 158,677 | medmcqa_train |
Horizontal semicircular canal responds to | The three canals lie at right angles to each other but the one which lies at right angles to the axis of rotation is stimulated the most.Thus horizontal canal will respond maximum to the rotation on the veical axis. (Ref: Diseases of EAR, NOSE and THROAT by PL Dhingra; 6th edition; page no.17) | 158,678 | medmcqa_train |
Roof of the Anatomical snuff box is formed by the | Anatomical snuff box boundaries: Lateral wall Abductor pollicis longus Extensor pollicis brevis Medial wall Extensor pollicis longus Roof Cephalic vein Sup branch of radial nerve Floor Radial styloid, scaphoid, trapezium,1st meta carpal Content Radial Aery Ref: Gray's Anatomy The Anatomical Basics of Clinical Practice ... | 158,679 | medmcqa_train |
Which of these differentiates between ante moem and post moem burns? | SPECIFIC FINDINGS IN ANTEMOEM BURNS 1.SOOT PAICLES UPTO THE LEVEL OF TERMINAL BRONCHIOLE. 2. PRESENCE OF CARBOXYHEMOGLOBIN IN BLOOD. 3. Cyanide IN BLOOD 4. CURLING ULCER IN FIRST PA OF DUODENUM. NON SPECIFIC FINDINGS IN BURNS( ANTEMOEM + POSTMOEM BURNS) 1. PUGILISTIC ATTITUDE OR HEAT STIFFENING. 2. HEAT RUPTURE 3. HEAT... | 158,680 | medmcqa_train |
Arrange the following in sequential order of their involvement in estrogen synthesis: A. Progesterone B. Androgen in granulosa cell C. Androgen in theca cell D. Aromatase | Interaction of follicular theca and granulosa cells for production of estrogens. The theca cells, under the control of luteinizing hormone (LH), produce androgens that diffuse into the granulosa cells. In mature follicles, follicle-stimulating hormone (FSH) acts on granulosa cells to stimulate aromatase activity, which... | 158,681 | medmcqa_train |
Left bundle branch block (LBBB) on ECG can suddenly develop in all of the following except: | Ans. b. Ashman phenomenon (Ref: Harrison 18/e p1835) style="font-size: 1.04761904761905em; font-weight: bold; font-family: Times New Roman, Times, serif; margin: 0 0 0 8px; text-indent: 0">Ashman phenomenon:Ashman phenomenon is an intraventricular conduction abnormality caused by a change in the heart rate.Wide QRS com... | 158,682 | medmcqa_train |
Treatment of latent TB infection in Tuberculin positive, HIV positive patients: | Ans. is 'a' i.e., 1NH biweekly for 9 month Dosing regimens for treatment of latent tuberculosis* AdultsChildren <12IsoniazidStandard regimen:o 300 mg PO daily for nine months Alternate regimens:o 300 mg PO daily for six months900 mg PO twice weeklyD for nine months900 mg PO twice weeklyD for six monthsStandard regimen:... | 158,683 | medmcqa_train |
In MI, which enzyme is raised in 4 to 6 hrs. & decreases in 3 to 4 days : | Answer is C (Creatinine phosphokinase) Creatinine phosphokinase is seen at 4 to 8 hours (May be seen at 2-4 hours), peaks at 24 hours and return to normal by 72 hours. Creatinine phosphokinase MB (CPKMB) Very sensitive (CPK MB isoenzyme increases the specificity) 'Absence in change in levels of CPK and CPKMB during the... | 158,684 | medmcqa_train |
The most impoant factor in fracture healing is: | D i.e. Immobilization | 158,685 | medmcqa_train |
Rubella causes all except | Rubella: Rubella/ german measles is caused by RNA virus of togavirus family. Rubella inhibits cell division and this is the reason for congenital malformations. Congenital Rubella syndrome refers to infants born with defects secondary to intrauterine infections sometime after bih. It consists of triad of symptoms of de... | 158,686 | medmcqa_train |
Optical urethroplasty is done in:(Internet) | (Congenital stricture of urethra) (1388-89-Baily & Love 24th) (Internet) (1362-Baily & Love 25th)Hypospadias - surgical plastic repair of hypospadias is currently accomplished by a variety of highly successful one stage operations and is routinely performed between 6 and 19 months of age (1008-CSDT 12(tm))Epispadias - ... | 158,687 | medmcqa_train |
A 78-year-old man with advanced renal disease has the ECG(lead II). What is the diagnosis? | (a) Source: (Fuster, p. 313)No atrial activity is detected. The ventricular rate is slightly irregular. Beat number 4 is a ventricular premature contraction. The T waves are tall and markedly peaked. This type of T wave is characteristic of hyperkalemia, as is absence of visible atrial activity. The potassium level was... | 158,688 | medmcqa_train |
Acute changes in brain due to wernicke's encephalopathy in chronic alcoholics is most frequently seen in: | Acute changes are most frequently seen in the 1. Mamillary bodies And also seen in 2. Around the third and fouh ventricles and 3. Aqueduct of the midbrain. Ref: Thorarinsson BL, S C I E N T I F I C P A P E R O V E R V I E W | 158,689 | medmcqa_train |
Secondary oocyte consists of | Ans. d (23 X)Secondary oocyte consist of 23 X chromosomes.The chromosomal complement of a primary oocyte is 46 XX and that of secondary oocyte is 23 X.Sequence of maturation of ovarian primordial follicle after primary follicle stage:Primordial follicle(Single layered ovarian follicle)Spermatogonium (diploid, 2N) ||Pri... | 158,690 | medmcqa_train |
True about mucosa associated lymphoma | Gastric lymphoma This is a rare tumour, accounting for less than 5% of all gastric malignancies. The stomach is, however, the most common site for extranodal non-Hodgkin lymphoma and 60% of all primary gastrointestinal lymphomas occur at this site. Lymphoid tissue is not found in the normal stomach but lymphoid aggrega... | 158,691 | medmcqa_train |
Which is not Glucogenic? | The glucogenic amino acids are: Alanine Arginine Asparagine Aspaic Cysteine Glutamic Glutamine Glycine Histidine Methionine Proline Serine ValineRef: DM Vasudevan, 7th edition | 158,692 | medmcqa_train |
The gene for folic acid transpoer is located on which chromosome: | C i.e. 21Folic acid transpoer gene (SLC 19 AI solute carrier family 19) is located on long arm of chromosome 21 (21q) Q at band 22.3. Transpo of folate occurs by potocytosis which functionally couples folate receptor, folate transpoer and V- type h+ pump. | 158,693 | medmcqa_train |
The best treatment for class V lesion on a tooth along with extensive class II caries is: | With class V lesion and extensive class II cavity in the same tooth the remaining enamel surface with the supported healthy dentin will be much less hence in such situation full crown restoration will be long lasting. | 158,694 | medmcqa_train |
Which has maximum nicotinic effect- | Ans. is 'b' i.e., Carbachol o Amongst the given options carbachol has maximum nicotinic actions. It has nicotinic as well as muscarinic action. | 158,695 | medmcqa_train |
Indications for cesarean hysterectomy are all except: | Cesarean hysterectomy refers to an operation where cesarean section is followed by removal of the uterus.
Peripartum hysterectomy is the surgical removal of the uterus either at the time of cesarean delivery or in the immediate postpartum period (even following vaginal delivery).
Some indications for peripartum hystere... | 158,696 | medmcqa_train |
The parasympathetic secretomotor nerve supply to the nose is | The nerve of the pterygoid canal passes through the pterygoid canal to reach the pterygopalatine ganglion. The parasympathetic fibres relay in this ganglion. Postganglion are parasympathetic fibres arising in the ganglion ultimately supply the lacrimal gland and the mucosal glands of the nose, palate, and pharynx. The ... | 158,697 | medmcqa_train |
Foot process effacement is seen on EM in ? | Ans. is All 'a' i.e., Minimal change disease, 'b' i.e., Focal segmental GN, 'c' i.e., IgA nephropathyo Foot process effacement is noted in patients with nephrotic syndrome.o A variety of injurious stimuli may cause the podocyte to react with flatteninng or simplification of the foot process architecture.While most comm... | 158,698 | medmcqa_train |
Which of the following drug is category B (adequate studies in pregnant woman have failed to demonstrate a fetal risk)? | Category B drugus are the one that have shown no risks in animal studies, but human studies do not exist or also if adverse effect have been seen in animal studies with no such effect im well controlled human trials. eg.ranitidine,paracetamol. TEXT BOOK OF OBSTETRICS,Sheila Balakrishnan,2nd edition,page no.564 | 158,699 | medmcqa_train |
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