query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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Good syndrome is | Ans. is 'a' i.e., Thymoma with immunodeficiency Good's syndrome (thymoma with immunodeficiency) is a rare cause of combined B and T cell immunodeficiency in adults. Clinical features of Good's syndrome are :- Increased susceptibility to bacterial infections with encapsulated organisms and oppounistic viral and fungal i... | 19,000 | medmcqa_train |
Dysphagia lusoria is best diagnosed by | Ans. is'c'i.e., CT AngiographyRef: Human Malformations and Related Anomalies p. 130Dysphagia lusoria is an impairment of swallowing due to compression from an aberrant right subclan aery (aeria lusoria)CT angiography and MRI thorax are the best diagnostic modalities that could identify the aeria lusoria. | 19,001 | medmcqa_train |
Bolognini's symptom (a feeling of crepitationoccuring from gradual increasing pressure on the abdomen) is seen in - | Ans. is 'd' i.e., Measles | 19,002 | medmcqa_train |
A pregnant woman is diagnosed with suffering from Graves' disease. The most appropriate therapy for her would be - | Ans. is 'd' i.e., Propylthiouracil oral o Graves' disease. an autoimmune disease characterized by antibodies against the thyrotropin (TSH) receptor (also called thyroid-stimulating immunoglobulins), is the most common cause of hyperthyroidism. Treatment of Graves disease o The therapeutic approach to Graves' hyperthyro... | 19,003 | medmcqa_train |
Lignocaine is useful: | Ans. C. Digitalis induced toxicityDOC for atrial fibrillation- verapamil. PSVT- adenosine, Digitalis induced toxicity- lignocaine. | 19,004 | medmcqa_train |
A 21 year old patient attended a pay the previous night and gives the following symptoms, pain in abdomen radiating to back, pulse 100/min, BP 100/76, Temp 39degC and vomiting before coming. Most probable diagnosis is | Clinical features of acute pancreatitis Cardinal symptoms : Epigastric and /or peri umbilical pain that radiates to the back, relieved by sitting & leaning forward Upto 90% of patients have nausea and/or vomiting that typically does not releive on pain Nature of the pain is constant Dehydration, poor skin turgor, tachy... | 19,005 | medmcqa_train |
a patient presented with swelling in his right foot with multiple discharging sinuses.the leison did not respond to antibiotics the likely etiological agent would be ? | Madurella mycetomatis causes the majority of the cases with the black grains. It is imperfect dematiaceous mold with brown colonies and diffused honey-colord pigment. Causes of mycetoma Eumycetoma : caused by species of fungi as: 1-Madurella mycetomatis 2-Madurella grisea 3-Leptosphaeria senegalensis 4-Pseudallescheria... | 19,006 | medmcqa_train |
In postpartum patients, the blood volumes become normal after nonpregnant state is | Ans-C | 19,007 | medmcqa_train |
Among the secondary changes in tooth the most useful one for age determination is: | Root transparency is not seen until about 30 years of age. The canals in the dentin are first wide. With age they are filled by mineral, so that they become invisible and the dentin becomes transparent. It is more reliable of all criteria by Gustafson's method. Factors that determine age by assessing dental tissues in ... | 19,008 | medmcqa_train |
Which of the f ollowing factors helped in smallpox eradication? | Question repeated | 19,009 | medmcqa_train |
Which is not a content of the spermatic cord? | Ans: d (Ilioinguinal nerve) Ref: BDC, 4th ed, Vol. II,p. 208The ilioinguinal nerve is not a content of the spermatic cord. In fact, it is a content of the inguinal canal, along with the spermatic cord.Ilioinguinal nerve:Enters the inguinal canal through the interval between the external and internal oblique and passes ... | 19,010 | medmcqa_train |
In tandem bullet, number of bullet/bullets comingout of the gun is/are | 2 [Ref: Parikh 6/e, p 4.26; Reddy, 25/e, p 1961 Tandem bullets: also k/a piggiback bullets are 2 bullets ejected one after the other, when the first bullet, having been stuck in the barrel, fails to leave the barrel, and is ejected by the subsequently fired bullet. The bullets may separate within the body, or before th... | 19,011 | medmcqa_train |
5-hydroxyindoleacetate is a catabolic product of | 5-hydroxyindoleacetate (5-HIAA) is a catabolic product of serotonin, which is derived from tryptophan. | 19,012 | medmcqa_train |
100 women, followed up 20 months, with OCPs, 5 became pregnant, Calculate the Pearl Index - | HWY =Total accidental pregnancies/months of exposure*1200 HWY=5/20*1200= 300 HWY indicates contraceptive efficacy Parks textbook of preventive and social medicine.K Park. Edition 23.Pg no: 510 | 19,013 | medmcqa_train |
A person wants to visit a malaria endemic area of low level chloroquine resistant falciparum malaria. The best chemoprophylaxis is - | - in areas of chloroquine resistant falciparum malaria, the chemoprophylaxis is mefloquine. - weekly mefloquine should preferably be staed before depaure to malaria endemic areas, to achieve higher pre travel blood level. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:268 <\p> | 19,014 | medmcqa_train |
Immunization is | Primary prevention is action taken prior to the onset of disease which removes the possibility that a disease will ever occur.It includes actions taken for the protection of health by personal and community effos, such as enhancing nutritional status, providing immunizations and eliminating environmental risks (sanitat... | 19,015 | medmcqa_train |
Which antibody is diagnostic of mixed connective tissue disease | Anti-U1-ribonucleoprotein - MCTD
Anti-histidyl t-RNA synthetase - Inflammatory myopathies. | 19,016 | medmcqa_train |
How will a staff nurse prepare normal saline from 10% Dextrose (per 100 ml) | 10% Dextrose Injection, USP is a sterile, nonpyrogenic solution for fluid replenishment and caloric supply in single dose containers for intravenous administration. It contains no antimicrobial agents. The flexible container is a closed system, and air is prefilled in the container to facilitate drainage. If A patient ... | 19,017 | medmcqa_train |
Epithelial lining of lingual surface of epiglottis is? | The lingual surface of the epiglottis and the true vocal cords are lined by stratified squamous epithelium. Epiglottis has a lingual and laryngeal surface. The laryngeal surface is lined by pseudostratified ciliated columnar epithelium. Beneath this epithelium in the lamina propria on the laryngeal side of the epiglott... | 19,018 | medmcqa_train |
A soft contact lens is used – | Treatment of choice for high myopia (> - 6D) is contact lens. | 19,019 | medmcqa_train |
What is the length and extent of esophagus? | Ans. is 'c' i.e., 25 cm and C6 -T11 Length of oesophagusIn adults25 cmAt birth8-10 cmAt 15 years of age19 cm* The esophagus extends from the lower border of the cricoid cartilage (at the level of the sixth cervical vertebra) to the cardiac orifice of the stomach at the side of the body of the 11th thoracic vertebra. | 19,020 | medmcqa_train |
The Quaternary blast injury is:- | These include flash burns,* crush injuries, fall resulting from the explosion, and respiratory injuries (toxic dust, gas) or radiation exposure. Psychiatric injury (due to neurological damage sustained during the blast) is most common Post-traumatic stress disorder (PTSD) may affect people who are otherwise completely ... | 19,021 | medmcqa_train |
Best test for seminal stains is: | The acid phosphatase test- 1. Level > 25 kA Unit is specific for the test or Undiluted semen has an acid phosphatase activity of 340 - 360 Bodansky U/ml, it is higher in humans as compared to animals. 2. It is +ve also by human RBCs, semen of higher apes and juice of cauliflower. 3. The prostatic secretion element of s... | 19,022 | medmcqa_train |
A patient complains of frequent dislocation of the temporomandibular joint and frequent bleeding from gums, on examination, it was noticed that gingival tissue is very fragile, what should be the diagnosis: | The oral mucosa was of normal color but was excessively fragile and bruised easily. Although the mucosa did not hold sutures satisfactorily, healing was only slightly retarded and there was no defective scar formation. No remarkable hyperextensibility of mucous membrane could be demonstrated, and the patients had no di... | 19,023 | medmcqa_train |
Cysticercus cellulosae is seen in infection with the following parasite: | Cysticercus cellulosae is the larval stage of Taenia solium. In addition to the definitive host for T. solium, man can act as intermediate host also and harbour the larval stage - i.e., cysticercus cellulosae. Life cycle of Tenia solium is similar to that of T. saginata except that the intermediate host is pig and the ... | 19,024 | medmcqa_train |
The shoest diameter of fetal head : | Bitemporal and biparietal diameters are transverse diameters whereas suboccipitofrontal and occipitofrontal are the anteroposterior diameters Bitemporal diameter is 8 cm Ref: Datta Obs 9e pg 77. | 19,025 | medmcqa_train |
Choking is associated with which of the following firearm? | Ans. c. Shotgun (Ref: Parikh 6/e p4.33; Reddy 33/e p210, 29/e p189)Choking is the constricting device present at the muzzle end of the shotgun.ChokeIt is constricting device at the muzzle end of shotgunQIt lessens the rate of spread of shot after it leaves the muzzleQ.A choke is the last few inches of a shot gunIt infl... | 19,026 | medmcqa_train |
A 45-year old male has an acute attack of vertigo, vomiting and ataxia. The most likely diagnosis is Thrombosis of | (A) Posterior inferior cerebellar artery > In unilateral infarcts there is always a sharp delineation in the midline because the superior vermian branches do not cross the midline, but have a sagittal course.> This sharp delineation may not be evident until the late phase of infarction.> In the early phase, edema may c... | 19,027 | medmcqa_train |
A urinary tract infection as a result of Proteus mirabilis facilitates the formation of kidney stones because the organism: | Proteus mirabilis facilitates the formation of kidney stones because the organism produces a potent urease. Proteus: Causes 1-2% of cases of UTI in healthy women. 5% of cases of hospital-acquired UTI. High prevalence of stones is due to bacterial production of urease (Hydrolyzes urea -ammonia - alkalization of the urin... | 19,028 | medmcqa_train |
Mechanism of action of NO occurs by | NO is a sho-lived, soluble, free radical gas NO is synthesized de novo from L-arginine, molecular oxygen, and NADPH by the enzyme nitric oxide synthase three isoforms of NOS are present Type I, neuronal NOS (nNOS)- present in Neurons, does not play a significant role in inflammation. Type II, inducible NOS (iNOS)- indu... | 19,029 | medmcqa_train |
Extra - aicular manifestations of RA are all except | Ref - Davidsons 23e p1024 | 19,030 | medmcqa_train |
At isoelectric pH protein | Proteins are least soluble at their isoelectric pH . Significance of isoelectric proteind : The amonoacid composition will determine the isoelectric pH of protein . The alpha amino acids and carboxyl group are utilized for peptide bond formation, and hence are not ionizable.All other ionizable groups present in the pro... | 19,031 | medmcqa_train |
The following Flipped pattern of LDH blood levels are seen in Myocardial infarction: | (D) LDH1>LDH2[?]Lactate Dehydrogenase (LDH)oRises within 24 to 48 hours of MIoPeaks at 3 - 5 days and returns to baseline by 7-10 daysoUsefulness in patients who are admitted to hospital 2-3 days after onset of symptomsoLevel of LDH-1 greater than LDH-2 = myocardial necrosisoNormally, the level of LDH-2 Is higher than ... | 19,032 | medmcqa_train |
Which of the following is NOT associated with stabbing injury: | Ans. (d) ChoppingRef: The essentials of FSM by KS Narayan Reddy 31st ed. /182-83* Stab wound is produced when force is delivered along long axis of narrow or a pointed object, such as knife, dagger, sword, chisel, screw driver etc into the depth of the body.* It can present as point wound, puncture wound or perforation... | 19,033 | medmcqa_train |
Sitaram a 40-year old man, met with an accident and comes to emergency depament with engorged neck veins, pallor, rapid pulse and chest pain Diagnosis is ? | Ans is 'b' ie Cardiac Tamponade Road traffic accident can lead to all 4 condition but only cardiac tamponade can present the given signs & symptom. Cardiac Tamponade - It is accumulation of fluid in the pericardium in an amount sufficient to cause serious obstruction to the inflow of blood to the ventricles. Etiology: ... | 19,034 | medmcqa_train |
Duration Of 2nd hea sound is | The second sound lasts about 0.12 s, with a frequency of 50 Hz. It is loud and sharp when the diastolic pressure in the aoa or pulmonary aery is elevated, causing the respective valves to shut briskly at the end of systole Second hea sound is due to sudden closure of semilunar valves at the end of systole. Ref: Ganong'... | 19,035 | medmcqa_train |
Laser used in LASIK- | Excimer (excited dimer) lasers are used in photo refractive keratotomy (PRK), LASIK and phototherapeutic keratectomy. Mechanism : produce UV light of very sho wavelength which breaks chemical bonds of biologic materials, conveing them into small molecules that diffuse away. Ref: AK Khurana 6thE pg462 | 19,036 | medmcqa_train |
Yellow bag is destroyed by | Ref: PubMedCat.Type of Bag/ Container usedType of wasteTreatment/ disposal optionsYellowNon-chlorinated plastic bagsSeparate collection system leading to effluent treatment system* Human anatomical waste* Animal anatomical waste* Soiled waste* Expired or discarded medicines* Chemical waste* Micro, Bio-t and other clini... | 19,037 | medmcqa_train |
What should not be done in a case of missile injury? | In a case of missile injury don&;t :Excise too much skinPractice keyhole surgeryRepair tendons or nervesRemove attached pieces of boneClose the deep fasciaInse synthetic prosthesesPack the woundClose the skin. | 19,038 | medmcqa_train |
WHO formation day is - | In 1946 the constitution was drafted by "Technical Preparatory Committee " under the chairmanship of Rene Sand and was approved in the same year by an International Health Conference of 51 nations in New york. The constitution came in to force on 7 th April 1948 which is celebrated every year as "World Health Day "(ref... | 19,039 | medmcqa_train |
'Steeple sign' on X-ray is seen in? | Ans. A. Acute laryngotracheobronchitisCROUPa. Croup (acute laryngotracheobronchitis), represents the most common cause of upper airway obstruction in children.b. It is most commonly seen in the 6-month-to-3-year age group.c. The principal infectious organisms in croup include parainfluenza virus and respiratory syncyti... | 19,040 | medmcqa_train |
Which of the following is true of mumps | Mumps is an acute viral infection characterised by painful enlargement of the salivary glands most commonly the parotid,occasionally other salivary glands are also involved. The virus proliferates in the respiratory epithelium and enters circulation and it gets localised to the glandular and neural tissue. *The virus h... | 19,041 | medmcqa_train |
Treatment of choice for bleeding esophageal and gastric varices | Endoscopic Variceal Ligation For control of acute variceal bleeding EVL has been found to be as effective as EST. Technically more difficult than EST in the presence of massive bleed bf due to reduction in filed of view Variceal recurrence rates is higher in EVL since para oesophageal varices (perforating veins) are no... | 19,042 | medmcqa_train |
Shoest acting local anaesthetics ? | Ans. is 'd' i.e., Chlorprocaine Sho duration Low potency Intermediate duration (30-90 min) Intermediate potency Long duration (> 120 min) High potency Chloiprocaine (shoest acting) Procaine Lignocaine o Mepivacaine o Prilocaine a Cocaine Bupivacaine o Tetracaine o Etodicaine o Ropivacaine Dibucaine (longest acting) | 19,043 | medmcqa_train |
Which nerve passes through Meckel's cave? | Arcuate eminence of petrous temporal bone is caused by superior aspect of superior semicircular canalQ. Meckel's cave houses gasserian ganglion of trigeminal nerveQ. | 19,044 | medmcqa_train |
Wood's Lamp used in - | Ans. is 'b' i.e., Pitryiasis versicolor | 19,045 | medmcqa_train |
All are supplied by Oculomotor nerve except: | (A) Superior oblique # All extra ocular muscles is supplied by 3r C.N. except Sup. Oblique which is supplied by - trochlear nerve and lateral rectus by Abducen nerve.> All muscle of face are supplied by facial nerve except levator Palpabre - 3rd C.N. | 19,046 | medmcqa_train |
Drug responsible for the below condition | Thalidomide given to pregnant lady can lead to hypoplasia of limbs called as "Phocomelia". | 19,047 | medmcqa_train |
Not a feature of Nonketotic hyperosmolar coma- | The prototypical patient with HHS is an elderly individual with type 2 DM, with a several week history of polyuria, weight loss, and diminished oral intake that culminates in mental confusion, lethargy, or coma (insidious onset). The physical examination reflects profound dehydration and hyperosmolality and reveals hyp... | 19,048 | medmcqa_train |
3-4 months baby with heart rate 250/min, QRS complex less than 0.07 sec and no P wave, Diagnosis will be : | SVTs are the most common symptomatic arrhythmias in all children including neonates.
SVTs usually have
Rate > 200 beats/minute
Normal or narrow (<0.07 sec, A wide QRS > 0.07 sec favors diagnosis of ventricular tachycardia).
Ventricular complexes on the surface ECG. | 19,049 | medmcqa_train |
WHO global target for prevention and control of non communicable diseases by 2025 is to decrease hypeension by | WHO Global action plan for the prevention and Control of Non-communicable Diseases 2013-2020 VISION : A world free of the avoidable burden of non-communicable disease GOAL: To reduce the preventive and avoidable burden of Morbidity, Moality and disability due to NCD's Voluntary Global Targets 25% relative reduction in ... | 19,050 | medmcqa_train |
Decrease reflex response after repetitive stimulation is? | FatigueWhen a nerve is repetitively stimulated at a rapid rate, the number of charges by the postsynaptic neuron is at first very great but the firing rate becomes progressively less due to exhaustion of presynaptic neurotransmitter.This is called fatigue of synaptic transmission.Fatigue of synaptic transmission can ca... | 19,051 | medmcqa_train |
Implantation (of blastocyst) occurs on which day after feilization: | In the human, trophoblastic cells over the embryoblast pole begin to penetrate between the epithelial cells of the uterine mucosa on about the 6th dayImplantation: The second week of human development is concerned with the process of implantation and the differentiation of the blastocyst into early embryonic and placen... | 19,052 | medmcqa_train |
All of the following cells are present in cerebellum, EXCEPT? | The pyramidal cells are seen in cerebral coex. The coex of the cerebellum consists of only three layers. They are, (1) an outer, molecular layer, (2) a middle, Purkinje layer, and (3) an inner, granular layer. The molecular layer has the least cellular density and consists of two types of neurons, stellate cells and ba... | 19,053 | medmcqa_train |
In Muller's maneuver to predict cephalopelvic disproportion (CPD) | Ans. a (The vaginal finger is at ischial spine) (Ref. Dutta Obst 6th/353)Muller introduced the abdominovaginal method of diagnosing CPD at the brim by placing the vaginal finger at the level of ischial spine to note the descent of the fetal head.Munro-Kerr added placement of the thumb over the synmphysis pubis to note ... | 19,054 | medmcqa_train |
Beta blockers are used in treatment of all exceptRepeat, refer Q 100, 2007 | Ans: b (Peripehral vascular disease)Ref: KDT 6th ed. Pg.139, Katzung 10th ed.Beta blockers are contraindicated in PVD because of blockade of vasodilator beta 2 receptors.Non selective blocker b 1 + b2 + al (mnemonic- Crazy Bugs Die in Medicine Lab)Cardio selective beta blockers are:Beta blocker with intrinsicsympathomi... | 19,055 | medmcqa_train |
Treatment of choice for OCD is: | A combination of pharmacotherapy and psychotherapy has the best evidence in the management of OCD. | 19,056 | medmcqa_train |
True statements about neostigmine are | (Ref. KDT6/e p101-102; Lee 12/ep217) Neostigmine is a reversible cholinesterase inhibitor.It is a quaernary ammonium compound. (lipid insolube agent), so it does not cross blood-brain-barrie. It is paly hydrolyzed by serum cholinesterase and paly excreted unchanged by the kidneys. It possesses some agonistic action on ... | 19,057 | medmcqa_train |
Optimum crown to root ratio of the tooth to be used as abutment is | Crown-Root Ratio:
This ratio is measure of the length of tooth occlusal to the alveolar crest of bone compared with the length of root embedded in the bone. As the level of the alveolar bone moves apically, the lever arm of that portion out of bone increases, and the chance for harmful lateral forces is increased. The ... | 19,058 | medmcqa_train |
Most commonly detected genitourinary abnormality seen in first trimester ultrasound is ? | Most commonly detected genitourinary abnormality seen in first trimester ultrasound is megacystis. Megacystis is a sign of lower urinary tract obstruction , which have several causes. Fig1 - Megacystis in a male fetus at 13 weeks gestation Fig2 - Prune belly sequence by urethral obstruction sequence with megacystis | 19,059 | medmcqa_train |
Schirmer test is used for testing function of which of the following cranial nerve? | The Schirmer test for the eye quantitatively measures tear formation placement of filter paper in the lower conjunctival sac. The test result is positive when less than 5 mm of paper is wetted after 5 minutes. It evaluates the function of the greater superficial petrosal branch. Ref: Chang D.F. (2011). Chapter 2. Ophth... | 19,060 | medmcqa_train |
Surfactant appears in amniotic uid at the gestational age of | Read below what Nelson has to say about the appearance of surfactant.
"Surfactant is present in high concentrations in fetal lung homogenates by 20 wk gestation* but does not reach the surface of the lung until later. It appears in the amniotic uid between 28-32 wks. Mature level of pulmonary surfactant is usually pres... | 19,061 | medmcqa_train |
Semiessential amino acid is - | Ans. is 'a' i.e., Histidine Arginine and histidine are semi - essential amino acids. | 19,062 | medmcqa_train |
All the following organs produce lactate as the end product of glycolysis in normal conditions except | Tissues that normally derive much of their energy from glycolysis and produce lactate include brain, gastrointestinal tract, renal medulla, retina, and skin. Lactate production is also increased in septic shock, and many cancers also produce lactate. The liver, kidneys, and hea normally take up lactate and oxidize it, ... | 19,063 | medmcqa_train |
Most common nerve pressed by an enlarged left atrium is - | Enlarged left atrium causes left sided recurrent laryngeal nerve paralysis. | 19,064 | medmcqa_train |
All are features of drowning except | Appearance in fresh water drowning: Body and clothes found to be wet Washer woman's hands Postmoem hypostasis Cutis answering Grasping of mud, grass, etc (cadaveric spasm) Foam in nostrils and mouth Paltauf's hemorrhage Ref: TEXTBOOK OF FORENSIC MEDICINE AND TOXICOLOGY KRISHNAN VIJ FIFTH EDITION PAGE 140 | 19,065 | medmcqa_train |
All of the following conditions are known to cause diabetes insipidus, except : | Answer is A (Multiple sclerosis) : Multiple sclerosis has not been mentioned as a cause for diabetes insipidus. Diabetes insipidus is a syndrome caused by either deficiency of vasopressin or resistance to action of vasopressin in passage of abnormally large volume of urine of low specific gravity. Causes of diabetes in... | 19,066 | medmcqa_train |
Differential cyanosis occurs in which disease | Blood flow to lower extremities decrease in PPHN,coarctation of aoa, interrupted aoic arch. Ref : Ghai essential of pediatrics, eighth edition, p.no:432 | 19,067 | medmcqa_train |
The principal cause of death in renal transplant patients- | Principal causes of death in renal transplant patients (in decreasing order)
Heart disease
Infection
Stroke | 19,068 | medmcqa_train |
CD59 deficiency leads to: | Ref. Robbins Pathology. 9th edition. Page. 642
PNH :
Defect in GPI linked proteins - CD55 and CD 59
Mutation in PIGA gene
Intravascular hemolysis
Triad – IV hemolysis, Thrombosis, Pancytopenia
Can result in AML
Diagnostic methods
HAM test – no more used
Gel card test
Flow cytometry – IOC
Best – FLAER (Fluorescent A... | 19,069 | medmcqa_train |
The hea sound associated with the mitral valve is best heard: | The four valves of the hea can be auscultated at very distinct spaces. The mitral valve can be auscultated in the left 5th intercostal space, slightly below the nipple.The aoic valve can be auscultated in the 2nd right intercostal space, just lateral to sternal angle. The pulmonary valve can be auscultated in the 2nd l... | 19,070 | medmcqa_train |
Which of the following physiological function is associated with 'otolith organs'? | The labyrinth has three components: Cochlea (containing receptors for hearing), Semicircular canals (containing receptors that respond to head rotation) Otolith organs (containing receptors that respond to gravity and head tilt i.e., linear acceleration). The otoliths, which are also called otoconia or ear dust, range ... | 19,071 | medmcqa_train |
A patient with alcoholic liver failure requires general anaesthesia for surgery. The agent to be used – | Isoflurane is the volatile agent of choice in liver disease as it has the least effect on hepatic blood flow. | 19,072 | medmcqa_train |
A 12 year old boy presents with vomiting within 3 hours of consumption of food at a pay. What is the likely causative organism responsible for the symptoms ? | Incubation period of staphylococcal food poisoning is 1-6 hours. As per question, consumption of food is within 6 hrs (3hrs). Food Poisoning Organism Incubation period Staphylococcal 1-6 hours Salmonella 12-24 hours Botulism 12-36 hours Clostridium perfringens 6-24 hours Bacillus cereus 1-6 hours E.coli 8-72 hours | 19,073 | medmcqa_train |
Fatty acid synthase complex result in formation of | Ref: DM Vasudevan - Textbook of Biochemistry, 6th edition, page no: 136-138 | 19,074 | medmcqa_train |
Postoperative apnea in neonates is due to __________ | All the above condition expanded.. That is Overdose of relaxants Overdose of inhalation agents Concurrent aminoglycosside antibiotics May cause postoperative apnea. Reference: GHAI Essential pediatrics, 8th edition | 19,075 | medmcqa_train |
23 years old male had unprotected sexual intercourse with a commercial sex worker. Two weeks later, he developed a painless, indurated ulcer on the glans that exuded clear serum on pressure. Inguinal lymph nodes in both groins were enlarged and not tender. The most appropriate diagnostic test is - | History is indicating towards the diagnosis of syphilis. T. pallidum cannot be stained by Gram stain. 1. T. pallidum can be seen from ulcer discharge by using Dark field microscopy. Dark-field microscopy:- helpful for diagnosis early in the disease before the appearance of serum antibodies. T. pallidum is identified by... | 19,076 | medmcqa_train |
Safe limit of alcohol consumption in males and females are: AFMC 11 | Ans. 21 and 14 units/week | 19,077 | medmcqa_train |
Following are polar amino acids, except: | Isoleucine | 19,078 | medmcqa_train |
Hemlichs maneuver is used for - | Ans. is 'a' i.e.. Upper airway obstruction by foreign body Heimlich manoeuvreo Abdominal thrusts, also called the Heimlich manoeuvre or Heimlich maneuver, is a first aid procedure used to treat upper airway obstructions (or choking) by foreign objects. The term Heimlich maneuver is named after Dr. Henry Heimlich, who f... | 19,079 | medmcqa_train |
A farmer presents to the emergency depament with painful inguinal lymphadenopathy and history of fever and flu like symptom. Clinical examination reveals an ulcer in the leg. Which of the following stains ahould be used to detect suspected bipolar stained organisms - | Ans. is `b' i.e., Wayson's stain . Presence of painful lymphadenopathy, ulcer in the leg alongwith constitutional symptoms suggests a probable diagnosis of bubonic plague.Specimen should be immediately examined with Wayson or Giemsa stain which reveals the classical/ typical bipolar staining pattern ( safelty pin) appe... | 19,080 | medmcqa_train |
Gene instability associated with malignancy is seen in - | Ans. is 'b' i.e., Ataxia telangiectasiaSyndromes of defective DNA repair have such a high level of chromosomal instability that they are known as chromosome-breakage syndromes or chromosomal instability syndromes. | 19,081 | medmcqa_train |
Following is caused by Arbovirus: | (D) Kyasanur Forest Disease # Kyasanur Forest Disease: is caused by Arbovirus> Genus: Flavivirus> Distribution : India (Karnataka)> Vector/Tick> Reservoir: Rodents (Ticks) | 19,082 | medmcqa_train |
The drug of choice for an acute exacerbation of ulcerative colitis is | DOC for acute exacerbation of IBD - SteroidsDOC for maintenance treatment of IBD - Sulfasalazine | 19,083 | medmcqa_train |
Which of the following is the most serious organ involvement in amyloidosis | Ref Robbins 8/e p254;9/e p261 Amyloidosis of the kidney is the most common and potentially the most serious form of organ involvement | 19,084 | medmcqa_train |
True statement about testicular feminising syndrome are all except | Blind vagina is present in Testicular Feminizing Syndrome not absent vagina.
Genotype is 46 XY. There is presence of testis and absence of ovary and uterus. | 19,085 | medmcqa_train |
In fundus, first sign of raised intracranial pressure is: | Ans. Dilatation of vessels | 19,086 | medmcqa_train |
Presence of water in middle ear is indicative of | In postmortem drowning this finding is not seen. | 19,087 | medmcqa_train |
Positive symptoms in Schizophrenia is because of | a) ↑ dopaminergic activity in mesolimbic pathway → positive symptoms
b) ↓ dopaminergic activity in mescortical pathway → Negative symtoms
c) ↓ dopaminergic activity in nigrostriatal parthway → Paskinsonism
d) Tuberoinfundibular pathway regulates prolactin secretion. | 19,088 | medmcqa_train |
Anticancer macrolide is | Tacrolimus, sirolimus, everolimus are macrocyclic lactones or macrolides.Ref: KK Sharma 2nd ed. Pg: 885 | 19,089 | medmcqa_train |
The following are true about Bacillus Cereus induced diarrhea EXCEPT | Ans. (a) Infection by needleRef: Microbiology by Ananthanarayati and Paniker 8th ed. /247, 654Please refer to explanation of Q. 9 | 19,090 | medmcqa_train |
Emergency management for Tension pneumothorax is: September 2005 | Ans. C: Needle decompression Management of tension pneumothorax: Immediately place the patient on 100% oxygen. Perform emergency needle decompression without hesitation The basic principle or emergent needle decompression is to introduce a catheter into the pleural space, thus producing a pathway for the air to escape ... | 19,091 | medmcqa_train |
Which of the following is not a complication of small incision cataract surgery | Submacular hemorrhage is not a complication of SICS Complications of ECCE/SICS/Phacoemulsification A. Retrobulbar hematoma/ scleral perforation by block B. Uveitis/Hyphaema/ glaucoma syndrome C. Iris shaffing and iridodialysis D. Corneal decompensation & Descemet's membrane detachment E. Posterior capsular rupture F. C... | 19,092 | medmcqa_train |
The most common cause of non union is | B i.e. Inadequate immobilization | 19,093 | medmcqa_train |
All are involved MEN type II A except | MEN2A or Supple syndrome constitutes pheochromocytoma : Adrenal medullary carcinoma :thyroid Parathyroid hyperplasia. It is due to germline mutation of RET proto oncogene . Pituitary abnormalities are seen in MEN1. | 19,094 | medmcqa_train |
Neuroblastoma arises from | Ans a (Adrenal) Ref nelson 18th ed p 2137Neuroblastoma (NB) is an embryonal cancer of the peripheral sympathetic nervous system with heterogeneous clinical presentation and course. NB is the third most common pediatric cancer, NB is the most commonly diagnosed neoplasm in infants. Most cases of NB arise in the abdomen,... | 19,095 | medmcqa_train |
Which among the following is the most common fatal primary blast injury? | The lung is very susceptible to primary blast injury. Pulmonary barotrauma is the most common fatal primary blast injury, and the most common critical injury in people close to the blast center. Pressure differentials across the alveolar-capillary interface can cause disruption, hemorrhage, pulmonary contusion, pneumot... | 19,096 | medmcqa_train |
Which of the following drugs belong to category X risk category for the use in pregnancy? | Ans. is 'd' i.e., Isotretinoin * Following is the risk category of the drugs to be used in pregnancy:Risk category of drugs during pregnancyCategoryExamplesA No riskAdequate studies in pregnant women have failed to demonstrate a risk to the foetusInj. Mag. sulfate, thyroxineB No evidence of risk in humansAdequate human... | 19,097 | medmcqa_train |
Klatskin tumor resembles- | Ans. is 'b' i.e., Cholangiocarcinoma o Extrahepatic adenocercinoma of bileducts, when proximal, is referred to as hilar cholangiocarcinoma (Klatskin's tumor). | 19,098 | medmcqa_train |
All are true about type 1 renal tubular acidosis except: | Ans. c. Sodium bicarbonate requirement Renal Tubular Acidosis Feature Type I(Distal) Type II(Proximal) Type IV Normal anion gap Yes Yes Yes Minimum urine pH >5.5deg <5.5deg <5.5 A filtered bicarbonate excreted <10 >15 <10 Serum potassium Low Low Highdeg Fanconi's syndrome No Yesdeg No Stones/Nephrocalcinosis Yesdeg No ... | 19,099 | medmcqa_train |
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