query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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24 hours after fever, maculopapular rash and erythema appears on the face of infant. This organism can also cause: | The described lesion is slapped cheek rash seen in Erythema infectiosum caused by Parvovirus B19. Parvovirus B19 also causes Pure red cell aplasia. Diseases caused by Parvo virus B19:- Erythema infectiosum (most common) Transient arrest of erythropoiesis (aplastic crisis) Papular purpuric "gloves-and-socks" syndrome (P... | 10,500 | medmcqa_train |
What is the immediate management of vitreous hemorrhage in eye- | 1. Complete absorption may occur without organization and the vitreous becomes clear within 4-8 weeks.
2. Organization of haemorrhage with formation of a yellowish-white debris occurs in persistent or recurrent bleeding.
3. Complications like vitreous liquefaction, degeneration and khaki cell glaucoma (in aphakia) may... | 10,501 | medmcqa_train |
Cholera toxin irreversibly stimulates the cAMP-dependent pump in intestinal cells resulting in | Cholera toxin irreversibly stimulates the cAMP-dependent Cl- pump in intestinal cells resulting in massive Cl- rich watery diarrhea. Death is caused by extreme dehydration and electrolyte imbalance. | 10,502 | medmcqa_train |
Least chance of cord prolapse is seen in - | Ans. is 'a' i.e., Vertex Factors associated with cord prolapseo Malpresentations - commonest being transverse (5-10%) & breech (3%) especially with flexed legs or footling and compound presentation (10%)o Contracted pelviso Prematurityo Twinso Hydramnioso Placental factors - minor degree of placenta previa with margina... | 10,503 | medmcqa_train |
The organ most vulnerable to ischaemia due to shock- | The susceptibility of a tissue to hypoxia influences the likelihood of infarction.
Neurons are most sensitive to hypoxia (irreversible changes develop in 3-4 minutes) followed by myocardial cells (irreversible changes develop in 20-40 minutes).
Fibroblasts are amongst the most resistant cells to hypoxia. | 10,504 | medmcqa_train |
18,20,22,24,26,28 and 30, Best Central tendency is determined by:- | The Metric data is evenly dispersed around the mean, and it is not skewed, Hence the best measure of central tendency is MEAN. Median is preferred in case of Ordinal data; outliers. Mode is preferred in Nominal data. | 10,505 | medmcqa_train |
Which of the following is true about upper 1/3' of the rectum? | Ans. is'd' i.e., It is covered by peritoneum on the sides and anteriorlylRef: Basic Human Anatomy, O'Rahilly, Muller Chapter 36)Upper 1/3'd of rectum Covered by peritoneum on the front and sidesMiddle 1/3"r of rectum Covered by peritoneum on the sides onlyLower 1/3"r of rectum Devoid of peritoneal aitachmerits | 10,506 | medmcqa_train |
STEPS is the WHO recommended tool for - | Park's textbook of preventive and social medicine 23rd edition The STEPS - the non communicable disease risk factors survey to help countries establish CMS surveillance system. It describes 3 steps: questionnaire, physical measurements and biochemical measurements. . | 10,507 | medmcqa_train |
Hexokinase is | A hexokinase is an enzyme that phosphorylates hexoses (six-carbon sugars), forming hexose phosphate. In most organisms, glucose is the most impoant substrate of hexokinases, and glucose-6-phosphate is the most impoant product. Hexokinase can transfer an inorganic phosphate group from ATP to a substrate. | 10,508 | medmcqa_train |
Wallace's rule is better known as? | ANSWER: (C) Rule of 9 in burn assessment REF: Schwartz's 9th ed chapter 8 table 8-2, Bailey & Love 25th ed page 382, Practical plastic surgery by Zol B. Kryger, Mark Sisco page 155 | 10,509 | medmcqa_train |
The water can in the larynx (saccules) are present in: | It is a diveiculum of mucous membrane which stas from the anterior pa of laryngeal ventricle extending between the vestibular folds and lamina of thyroid cailage. The saccule has plenty of mucous glands whose main purpose is to lubricate the vocal cords (vocal cord is devoid of mucous glands) and hence is known as wate... | 10,510 | medmcqa_train |
Which of the following structures give origin to the Primordial Germ cells? | Primordial germ cells normally develop from the wall of the yolk sac close to allantois. After folding of the embryo these cells are present in the wall of hindgut. The primordial germ cells then migrate along the dorsal mesentery of hindgut by active ameboid movement and reach the developing gonad. The primordial germ... | 10,511 | medmcqa_train |
The maintenance of posture in a normal adult human being depends upon: | A i.e. Integrity of Reflex arc'Postural Reflexes not only maintain the body in an upright balanced position but also provide the constant adjustments necessary to maintain a stable postural background for voluntary activity'- Ganong 22"V207Integrity of the postural reflex arc is therefore the single best answer of choi... | 10,512 | medmcqa_train |
A patient arrives at your office with their full gold crown in hand. They explain to you that another dentist delivered it last week. You then examine the crown and the preparation. Which of the following hand instruments is used for creating retentive features in dentin ? | A special type of excavator is the angle former. It is used primarily for sharpening line angles and creating retentive features in dentin in preparation for gold restorations. It also may be used when placing a bevel on enamel margins. The angle former is mon-angled and has the primary cutting edge at an angle (other ... | 10,513 | medmcqa_train |
In strychnine poisoning, convulsions occur because of the antagonist effects at receptors for: | (Ref: KDT 6/e p469) GABA is the principal inhibitory neurotransmitter in the brain and glycine is the inhibitory amino acid in the spinal cord. By antagonizing the glycine receptors, strychnine can result in convulsions and other stimulatory symptoms. | 10,514 | medmcqa_train |
Investigation of choice for small intestine tumor: | Ans. CT scan with contrast | 10,515 | medmcqa_train |
Involvement of pyramidal tract leads to all of the following except | Ans. is 'b' i.e., Fasciculation | 10,516 | medmcqa_train |
Pudendal nerve supplying motor pa to external sphincter is derived from? | S2-S3 roots. There are two sphincters of the urethra a. Internal urethral sphincter (also k/a sphincter vesicae) - it is involuntary in nature - made up of smooth muscle - supplied by sympathetic nerves, from lower thoracic & upper lumbar segments of spinal cord b. External urethral sphincter (also k/a sphincter vesica... | 10,517 | medmcqa_train |
Following are principles in the treatment of compound fractures except | B i.e. Immediate wound closure | 10,518 | medmcqa_train |
All are seen in acute Iridocyclitis except: | C i.e. Mucopurulent discharge Mucopurulent discharge is a feature of acute conjunctivitis not acute iridocyclitisQ. | 10,519 | medmcqa_train |
One of the following is not included in the major criteria for rheumatic hea disease? | Guidelines of diagnosis used by the American Hea Association include major and minor criteria (ie, modified Jones criteria). In addition to evidence of a previous streptococcal infection, the diagnosis requires 2 major Jones criteria or 1 major plus 2 minor Jones criteria. Major criteria are as follows: Carditis, Migra... | 10,520 | medmcqa_train |
Which statement is false regarding familial adenomatous polyposis : | Ans. is 'a' i.e. males are usually carriers Familiar polyposis coli is an autosomal dominant* condition affecting males and females equally.It is characterized by presence of thousands of adenomatous polyps throughout the large bowel.Carcinomatous change* supervenes in these polyps in 100% of cases by the age of 30-35y... | 10,521 | medmcqa_train |
III nerve palsy causes all of the following except - | Features of 3rd(occulomotor) nerve palsy
Paralysis of superior rectus, inferior rectus, medial rectus and inferior oblique. Eye is down and out due to unopposed action of superior oblique and lateral rectus. Medial & upward gaze is not possible.
Paralysis of sphinctor pupillae → Loss of ipsilateral direct and consensu... | 10,522 | medmcqa_train |
Which neck swelling moves on swallowing | Ans. is 'b' i.e., Thyroid gland | 10,523 | medmcqa_train |
"Stary sky" appearance is seen in - | The tumor consists of sheets of a monotonous (i.e. similar in size and morphology) population of medium-sized lymphoid cells with high proliferative activity and apoptotic activity. The "starry sky" appearance seen under low power is due to scattered tingible body-laden macrophages (macrophages containing dead apoptoti... | 10,524 | medmcqa_train |
Cardiomyopathy is caused by | Ref: Katzung 14th ed. pg. 964-65; KDTy 6th ed. pg. 826-27* Doxorubicin and daunorubicin are anti-tumor antibiotics. Activity of Daunorubicin is limited to acute leukemia while doxorubicin is effective in several solid tumors.# MOA: Cause breaks in DNA strands by activating topoisomerse II and generating quinolone type ... | 10,525 | medmcqa_train |
Restrictive and constrictive cardiomyopathy occurs together in | The etiologies of RCM may be grouped into broad categories as follows: Primary/idiopathic: Endomyocardial fibrosis (EMF), loeffler eosinophilic endomyocardial disease Secondary: Infiltrative, amyloidosis (the most common cause of RCM in the United States), sarcoidosis , progressive systemic sclerosis (scleroderma) , he... | 10,526 | medmcqa_train |
Centromere is almost at the tip of the chromosome in: | Types Of CHROMOSOMES: | 10,527 | medmcqa_train |
Action of topoisomerase III - | Ans. is 4d' i.e., Single strand breako Topoisomerase I - Removes negative supercoiling.o Topoisomerase II - Relaxes positive supercoils and forms negative supercoiling by condensation, of chromosome,o Topoisomerase III - Can introduce single strand breaks during recombination that are required for DNA to be exchanged b... | 10,528 | medmcqa_train |
Fracture scaphoid is usually seen in | Scaphoid fracture is more common in young adults. Its rare in children and in elderly people. Fracture occurs through the waist of scaphoid. Rarely, occurs through tuberosity. It may be either a crack or a displaced fracture. On examination tenderness on scaphoid fossa or anatomical snuff box. Complications: avascular ... | 10,529 | medmcqa_train |
True about apoptosis is all, except - | Ans. is 'c' i.e., Apoptosis of cells induce Inflammatory reaction oThe two most striking features of apoptosis are: 1. In contrast to necrosis it does not elicit inflammation 2. Considerable apoptosis may occur in tissues before it becomes apparent in histological section (because it occurs very rapidly). Morphological... | 10,530 | medmcqa_train |
Classical triad of Budd-Chiari syndrome: | BUDD-CHIARI SYNDROME TRIAD- Ascites + Hepatomegaly + Abdominal pain . Treatment Side to Side Poo-caval Shunt is the most effective therapy. | 10,531 | medmcqa_train |
Most common disease of human body is: | Dental caries, the most common disease in the mouth, is also the most common disease of the entire body. The first step in treating this disease is to identify it, and radiology is one of the best tools available to do so. | 10,532 | medmcqa_train |
Volcano ulcers in esophagus are seen in: | Volcano ulcers - Herpetic esophagitis - odynophagia Candida esophagitis Whitish plague adheres to wall of esophagus | 10,533 | medmcqa_train |
Mesangial cells are contracted by | Contraction Relaxation Endothelins ANP AngiotensinII Dopamine Vasopressin PGE2 Norepinephrine cAMP Platelet-activating factor Platelet-derived growth factor Thromboxane A2 PGF2 Leukotrienes C4 and D4 Histamine Ref: Ganong's Review of medical physiology 25th edition. Page: 678 Table 37-3 | 10,534 | medmcqa_train |
A 40-year-old non-alcoholic male patient presented to the OPD with jaundice, lethargy, ahralgia, skin pigmentation, loss of libido, polyuria, polydipsia and exeional dyspnea. O/E, Hepatosplenomegaly Increased pigmentation and spider angiomas Ahropathy Ascites Loss of body hair and testicular atrophy Iron studies were d... | This is a case of haemochromatosis with C282Y mutation. HPE image shows Prussian blue-stained section, hepatocellular iron appears blue. The most common HFE mutation is a cysteine-to-tyrosine substitution at amino acid 282 (called C282Y). The other common mutation is H63D (histidine at position 63 to aspaate). DETERMIN... | 10,535 | medmcqa_train |
A preterm neonate with hyaline membrane disease needs to be treated with: | d. Surfactant(Ref: Nelson's 20/e p 854)Systemic or inhaled corticosteroids have been used, mainly in those infants with RDS, who continue to require respiratory support & in whom bronchopulmonary dysplasia (BPD) develops.Routine use of corticosteroids for the prevention or treatment of BPD is not recommended by the Ame... | 10,536 | medmcqa_train |
In normal diurnal variation, intraocular pressure is: | Ans. Highest on awakening and lowest during evening | 10,537 | medmcqa_train |
Example of syndesmosis joint is: September 2007 | Ans. B: Tibiofibular Joint I. Six types of synol joints are: Hinge Ball-and-socket Pivot Condyloid (angular or ellipsoidal) Plane (gliding) Saddle. - The elbow is an example of a hinge joint. Here, the convex and concave aiculating bones allow movement along one plane, similar to a door. -The shoulder and hip are the o... | 10,538 | medmcqa_train |
Epidemic dropsy results from - | Sanguarine,a toxic alkalpid from argemone oil interfers with the oxidation of pyruvic acid which accumulates in the blood causing epidemic dropsy.seeds of argemone mexicana closely resembles mustard seeds.(Ref.PARK'S textbook of social and preventive medicine 21st edition page no.608) | 10,539 | medmcqa_train |
Sullivan's Index is | Sullivan's Index : Life expectancy - Duration of disability. | 10,540 | medmcqa_train |
Which structure prevents spread of infection from middle ear to brain | Tegmen tympani forms the roof of the middle ear and it also extends posteriorly to form a roof of aditus and antrum. Reference: Dhingra 6th edition | 10,541 | medmcqa_train |
Systolic murmur in TOF is due to ? | Ejection systolic murmur in TOF is due to pulmonary stenosis. Ref : Ghai essential of pediatrics, eighth edition, p.no:420 | 10,542 | medmcqa_train |
Longest cranial nerve is | The word "vagus" means wandering in Latin. This is a very appropriate name, as the vagus nerve is the longest cranial nerve. It runs all the way from the brain stem to pa of the colon. Ref - medscape.com | 10,543 | medmcqa_train |
A patient with sputum positive pulmonary tuberculosis is on ATT for the last 5 months but the patient is still positive fo AFB in the sputum. This case refers to - | - any patient treated with category I of DOTS who has a positive s near at 5 months of the treatment should be considered as failure case. - the patient should be staed with Category II treatment afresh. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:188 <\p> | 10,544 | medmcqa_train |
Hypercarbia is characterized by: | Excess CO2 in aerial blood (hypercarbia/hypercapnia) has a direct peripheral effect; it causes cutaneous vasodilation. However, it acts on the VMC, resulting in increased sympathetic vasoconstrictor discharge. This will result in vasoconstriction in other vascular beds. These effects tend to cancel out, yet there is in... | 10,545 | medmcqa_train |
Which of the following drug have high volume of distribution of drug? | Ans. A. Lipophilic. (Ref KDT 6th/pg. 19; Harrison's 17th edition, page 29)APPARENT VOLUME OF DISTRIBUTION (Theoretical volume occupied by the total absorbed drug amount at the plasma concentration.)# Vd = amount of drug in the body / plasma drug concentrationFactors governing the volume of drug distribution:# Lipid: Wa... | 10,546 | medmcqa_train |
Most common cardiac involvement in Rheumatoid arthritis is | (B) Pericarditis # CARDIAC COMPLICATIONS OF RHEUMATOID ARTHRITIS> Pericarditis: Asymptomatic. One-third of patients with seropositive RA.> Myocarditis.> Endocarditis.> Conduction defects.> Coronary vasculitis.> Granulomatous aortitis. | 10,547 | medmcqa_train |
Young Helmholtz theory is associated with which of the following? | The Young-Helmholtz theory of color vision in humans postulates the existence of three kinds of cones, each containing a different photopigment and that are maximally sensitive to one of the three primary colors, with the sensation of any given color being determined by the relative frequency of the impulses from each ... | 10,548 | medmcqa_train |
Regarding congenital hypertrophic pyloric stenosis true statement is: | Ans. (b) On non feeding a mass is palpated in right upper quadrantRef: Bailey and Love 27th Edition, Page 128Congenital Hypertrophic Pyloric Stenosis* Diagnosed by clinical finding* During a test feed a visible gastric peristalsis is seen passing from left to right across upper abdomen.* In a relaxed baby (nonfeeding):... | 10,549 | medmcqa_train |
The MOST commonly used chemotherapeutic agent in trans aerial chemoembolisaion for hepatocellular carcinoma is: | Doxorubicin, Cisplatin and Mitomycin all are used in TACE. However the most commonly used agent is Doxorubicin. Ref: Quality-Improvement Guidelines for Hepatic Transaerial Chemoembolization: Cardiovasc Intervent Radiol | 10,550 | medmcqa_train |
Which of the following muscle act as tensor of vocal cord? | Cricothyroid Vocalis which is the internal pa of thyroarytenoid act as tensor of vocal cord. Muscles acting as abductors of vocal cords: posterior cricoarytenoid Adductors of vocal cords: lateral cricoarytenoid, interarytenoid and thyroarytenoid (external pa). Muscles which acts as openers of laryngeal inlet: Thyroepig... | 10,551 | medmcqa_train |
Doc for Cryptosporidium parvum is | Nitazoxanide is Doc for Cryptosporidium.
Cotrimoxazole is Doc for Cyclospora and isospora. | 10,552 | medmcqa_train |
All of the following are features of cochlear hearing loss except- | Ans. is 'b' i.e., Speech discrimination is highly impaired Cochlear SNHLRetrocochlear SNHLDamage to hair cellsDamage to VIII nerve and its connectionsRecruitment presentRecruitment AbsentNo significant tone decaySignificant tone decaySISI PositiveSISI NegativeSpeech discrimination not highly impairedSpeech discriminati... | 10,553 | medmcqa_train |
Which is the best investigation to detect Pneumoperitoneum? | The term pneumoperitoneum refers to the presence of air within the peritoneal cavity. The most common cause is a perforation of the abdominal viscus--most commonly, a perforated ulcer. At least 2 radiographs should be obtained, including a supine abdominal radiograph and either an erect chest image or a left lateral de... | 10,554 | medmcqa_train |
Index of duration of malnutrition is - | <p> Malnutrition: Defined as a pathological state resulting from a relative or absolute deficiency or excess of one or more essential nutrients. It comprises: Undernutrition, Overnitrition, Imbalance and Specific deficiency. Main victims are children under 15 years. Children under 5 years are hit the hardest. Malnutrit... | 10,555 | medmcqa_train |
All are components of Meig's syndrome. Except - | Ans. is 'd' ' Pericardial effusion (Ref : Shaws, 13/e, p 365 (12/e, p 322))."Meigs syndrome is combination of ovarian fibroma* with ascites* and hydrothorax* usually right sided" - Shaws, 12/e.Other than fibroma, other ovarian tumours associated with this syndrome are -Granulosa tumours*Brenner tumour* | 10,556 | medmcqa_train |
With which heart diseases in Pregnancy is prognosis worst: | Ans. a (Eisenmenger's syndrome). (Ref. Textbook of obstetrics D C Dutta 6th ed. 296)HEART DISEASE IN PREGNANCY# The risk of fetal congenital malformations is increased by 3-10% if either parents have congenital lesions. In mother with AV septal defect, risk of having concordant abnormality in baby is very much high.# M... | 10,557 | medmcqa_train |
All of the following are seen in Coarctation of Aorta, except- | Ans. is 'd' i.e., Boot Shaped Heart Coarctation of Aorta -o Symptoms of coarctation of Aorta occurs due to decrease in blood supply distal to Aortic obstruction.o Narrowing or constriction of lumen in coarctation of Aorta may occur anywhere along its length but is most common distal to the origin of the left subclavian... | 10,558 | medmcqa_train |
Hernia into pouch of Douglas is ..... hernia - | Ans. is 'd' i.e., Berger's Beclard's hernia ---> is the femoral hernia through the opening of the saphenous vein (named after Pierre Augustin Beclard) [Ref: www.whonamedit.comj | 10,559 | medmcqa_train |
Most common cerebellar tumor in children | Refer Robbins page no 8/e | 10,560 | medmcqa_train |
"Blow-out" fracture of orbit involves: | Ans. All of the above | 10,561 | medmcqa_train |
According to Herrington classification, the decerebrate rigidity is characterized by all except | In decerebrate rigidity, there is rigidity in extensor muscles of all the four extremities (not all muscles of the body). Decerebration Complete transection of the brain stem between the superior and inferior colliculi permits the brain stem pathways to function independently of their input from higher brain structures... | 10,562 | medmcqa_train |
Platlets can be stored at | Ans. is (a) i.e. 20-24degC for 5 days | 10,563 | medmcqa_train |
Enlarged liver with Hepatocellular dysfunction seen In- | Pathophysiology Normally, dietary copper is absorbed from the stomach and proximal small intestine and is rapidly taken into the liver, where it is stored and incorporated into caeruloplasmin, which is secreted into the blood. The accumulation of excessive copper in the body is ultimately prevented by its excretion, th... | 10,564 | medmcqa_train |
The major cause of us is | Favus is a chronic infection caused most commonly by T schoenleinii and usually affecting the scalp. Most common organism associated with us is Trichophyton schoenlenii. E. floccosum- cause Tinea unguium (nail beds) M. canis- cause ECTOTHRIX(infection of hair) T. rubrum- cause Tinea cruris (groin area) | 10,565 | medmcqa_train |
Time difference between screening test and standard test is known as- | <p>Screening is the search for unrecognised disease or defect by means of rapidly applied tests ,examinations or other procedures in apparently healthy individuals. Lead time is the advantage gained by screening.it is the time period between diagonosis by early detection and diagonosis by other means.That is lead time ... | 10,566 | medmcqa_train |
Uncommon complication of meckels diveiculum is: September 2005 | Ans. C: Malignancy Epidemiology - More common in males by ratio of 3:2 Lifetime complication rate: 4% - More than 50% of complications occur before age 10 History-Initial repo by Hildanus in 1598, Detailed description by Johann Meckel in 1809 Pathophysiology: Meckel's Diveiculum - Incomplete vitelline duct (omphalomese... | 10,567 | medmcqa_train |
A 50-year-old male patient presented to the OPD with the complaint of progressive dysphagia for 4 months both to solids and liquids but more to the solids. There was history of significant weight loss, loss of appetite, pain while swallowing, a hoarse voice and cervical lymphadenopathy. Upper GI endoscopy and barium st... | This is a case of carcinoma esophagus (squamous cell carcinoma) 1ST image shows a mass in the lumen of the esophagus. 2nd image shows the rat tailing seen on Barium swallow in carcinoma esophagus. 3rd image shows the classical keratin pearl seen in squamous cell carcinoma. Barret's esophagus is a risk factor adenocarci... | 10,568 | medmcqa_train |
Tumorgenesis in Aging is due to: | Telomerase reactivation | 10,569 | medmcqa_train |
Patient came with H/O prolonged labour (15 hrs) in emergency. On examination there were signs of obstructed labour. Ideal position for the patient to undergo the cesarean section? | In this condition, position should be supine with wedge under right hip so the position will be a bit tilted towards the left to prevent compression of vena cava and the hea will get sufficient various return, giving good output to fetus. | 10,570 | medmcqa_train |
Resting membrane potential is maximally affected by which ion- | Ans. is 'b' i.e., K+ "RMP is mainly due to difference of concentrations ofK+ ions in ECF and ICF". -- Chaudhari* The cell membrane is selectively permeable. Due to presence of potassium leak channels K+ ions are freely permeable but permeability of Na+ is much less. In the generation of RMP, following sequence of event... | 10,571 | medmcqa_train |
All of the following are true about Ebola virus except? | Ebola virus belongs to Filoviridae. | 10,572 | medmcqa_train |
Which one of the following is NOT an Endocrine Myopathy? | (C) Myasthenia gravis # ENDOCRINE MYOPATHY:> Major categories of endocrine myopathy include those associated with Adrenal dysfunction (as in Gushing disease or steroid myopathy); Thyroid dysfunction (as in myxedema coma or thyrotoxic myopathy); Parathyroid dysfunction (as in multiple endocrine neoplasia); Pituitary dys... | 10,573 | medmcqa_train |
Which of the following is true regarding anthracoid bacilli? | Anthracoid bacilli usually grow in penicillin agar. Their growth is not inhibited by chloral hydrate. They usually grow at 45 degree celsius. They are not susceptible to gamma phage. They are motile, non capsulated bacilli which grow in sho chains. | 10,574 | medmcqa_train |
Magistrate inquest can be done by all except | Magistrate inquest This is conducted by Executive Magistrates They are Collector Deputy collector Revenue Divisional Officer Tahsildar Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 7 | 10,575 | medmcqa_train |
Pasteur developed the vaccine for | Pasteur introduced an attenuated vaccine for chicken pox, cholera, anthrax and rabies. Development of vaccine for hydrophobic marked a milestone in the development of immunisation in medicine. | 10,576 | medmcqa_train |
All of the following statements regarding total anomalous pulmonary connection are true except – | Hemodynamics of TAPVC
TAPVC results in the pulmonary venous blood reaching the right atrium which also receives the systemic venous blood.
This results in volume overload to right atrium -p Right atrial enlargement.
Larger volume of blood reaches the right ventricle --> Right ventricle enlargement.
The blood flow to ... | 10,577 | medmcqa_train |
Which of the following drugs should not be used in a setting of severe hypeension in elderly on empirical basis | Postsynaptic, selective a-adrenoreceptor antagonists lower blood pressure by decreasing peripheral vascular resistance. They are effective antihypeensive agents used either as monotherapy or in combination with other agents. However, in clinical trials of hypeensive patients, alpha blockade has not been shown to reduce... | 10,578 | medmcqa_train |
A 30 year old male patient complains of food lodgment and pain in lower right back teeth region. RCT was done with 46 and 45 was missing. Cast metal restoration was planned. The distortion during the fabrication of this prosthesis is because of all of the following except- | DISTORTION
Any marked distortion of the casting is probably related to a distortion of the wax pattern. This type of distortion can be minimized or prevented by proper manipulation of the wax and handling of the pattern. Unquestionably some distortion of the wax pattern occurs as the investment hardens around it. The s... | 10,579 | medmcqa_train |
A teenager presented with a skin lesion which appeared as thin oval plaque with a fine collarette of scale located inside the periphery of the plaque. Pityriasis rosea is diagnosed. All of the following are characteristic of pityriasis rosea, EXCEPT: | Pityriasis Rosea (PR): Common acute papulosquamous eruption normally lasting 4-10 weeks. Most often begins as a single 2- to 4-cm thin oval plaque with a fine collarette of scale located inside the periphery of the plaque ("herald patch"). Similar-appearing, but smaller, lesions appear several days to weeks later, typi... | 10,580 | medmcqa_train |
All of the following features can be observed after the injury to axillary nerve, except - | Muscles responsible for abduction of the shoulder joint
- Supraspinatus- first 15 degrees of abduction
- Deltoid (Acromial fibers) - it is responsible for abduction from 15 to 90 degrees. It does not take part in overhead abduction.
- Trapezius and serratus anterior- They are responsible for upward... | 10,581 | medmcqa_train |
A 22 year old woman developed small itchy wheals after physical exertion, walking in the sun, eating hot spicy food and when she was angry. The most likely diagnosis is – | Similar to previous question this women developed urticaria (itchy wheal) after :-
Walking in the sun → generalized heating
Eating hot spicy food
Physical exertion
When she was angry → emotional stress
Diagnosis is cholinergic urticaria | 10,582 | medmcqa_train |
Na+ reabsorption is maximum in ? | Ans. is 'a' i.e., PCT | 10,583 | medmcqa_train |
All of the following can be used to predict severe acute pancreatitis, EXCEPT: | On account of difference in the outcome between patients with mild and severe disease, it is impoant to define that group of patients who will develop severe pancreatitis. Criteria used to determine the severity of acute pancreatitis: Criteria used Score at which severity is indicated Apache score 8 Glasgow score 3 Ran... | 10,584 | medmcqa_train |
"International prognostic index" for lymphoma includes the following prognostic factors, EXCEPT: | Hemoglobin and Albumin are not included as prognostic factors in International prognostic index. International prognostic index of lymphoma can predict the prognosis of lymphoma accurately. It is widely used to categorize patients with intermediate-grade lymphoma into risk group. Prognostic factors includes: Age of 60 ... | 10,585 | medmcqa_train |
A healthy 30-year-old woman comes to the physician for a routine health maintenance examination. No abnormalities are found on physical examination. A screening Pap smear shows cells consistent with a low-grade squamous intraepithelial lesion (LSIL). Subsequent cervical biopsy specimens confirm the presence of cervical... | Cervical intraepithelial neoplasia (CIN) I represent minimal (mild) dysplasia (low-grade squamous intraepithelial lesion, or LSIL) and is a potentially reversible process. Dysplasia is preneoplastic and may progress to carcinomas if not treated. Risk factors for cervical dysplasia and carcinoma include early age at fir... | 10,586 | medmcqa_train |
All are true about Candida except - | Ans. is 'c' i.e., It is a mold [Ref: Harrison 18th/ep. 1651, 1652 &17th/ep. 1254; Candida o Candida is a yeast like a fungus (not mold). o Candida albicans is the most common cause of mucosal candidiasis. o All Candida species pathogenic for humans are also encountered as commensals of humans, particularly in the mouth... | 10,587 | medmcqa_train |
Which of the following set is termed as epidemiological triad: | Ans (b) Agent, host and environmentRef : K. Park 23rd ed. / 33-34, Park 19th/ 30A broad concept of disease causation that synthesized the basic factors of agent, host and environment (see adjacent figure)This model--agent, host and environment-- has been in use for many years. It helped epidemiologists to focus on diff... | 10,588 | medmcqa_train |
All developed up to the adult size at bih except | Tympanic cavity, mastoid (tympanic) antrum, ear ossicles and the Internal ear are of adult size in the foetal skull. | 10,589 | medmcqa_train |
All the following statements are true about V. cholera 0139, EXCEPT: | Vibrio Cholerae O139 is a derivative of Eltor O1 but it has a distinct lipo polysaccharide and an immunologically related O-antigen polysaccharide capsule. First discovered in chennai, V.cholerae O139 is epidemiologically indistinguishable from O1 Eltor strain. Ref: Textbook of Microbiology, Ananthanarayan and Paniker,... | 10,590 | medmcqa_train |
The major function of major intrinsic protein-26 (MIP-26) is: | Ans. Transpo of water in lens | 10,591 | medmcqa_train |
Lapsed union of skull sutures is commonly noted in:- | In skull, Ectocranial suture closure is very variable. Sometimes, there may not be ectocranial suture closure. This is called lapsed union. This occurs most often in the sagittal suture. | 10,592 | medmcqa_train |
True statement about gallstones are all except: | Ans. (d) More common in males between 30-40 years of ageDiabetes mellitus and Gall stones:* Diabetes though not a direct risk factor for gall stones- the following factors in diabetes may increase the chance of getting Gall stones:# Increased Bile Cholesterol# Poor GB motility# Decreased Bile Acids | 10,593 | medmcqa_train |
Which is not used in acne:(2003) | bRef: KDT, 5th ed, p. 800, 801 & 4th ed, p. 858s | 10,594 | medmcqa_train |
Mycotic vulvovaginitis is due to : | Candida | 10,595 | medmcqa_train |
Clubbing is the least common in | Skeletal connective tissue syndrome including clubbing is usually not seen in small cell carcinoma. Ref Harrison 19th edition pg 250 | 10,596 | medmcqa_train |
Greater petrosal nerve is formed from | The greater petrosal nerve arises from the geniculate ganglion. It consists of preganglionic parasympathetic fibres that relay in the pterygopalatine ganglion and supply the secretomotor fibres to the lacrimal gland and the mucous glands of nasal cavity and palate.Reference: Textbook of anatomy, Head neck, and brain, V... | 10,597 | medmcqa_train |
Ossification centre for lunate appears at? | OSSIFICATION: At 2 months to 1-year Ossification of capitate stas, and at 12 years Ossification of Pisiform stas. ossification of lunate occurs at 4 years. REF: BD Chaurasia 7th edition Page no: 27. | 10,598 | medmcqa_train |
A 22 year old female Asian immigrant presents with complaints of malaise, fever, arm pain, loss of appetite, and visual problems. Her mother states that she fainted 1 week ago. The physician cannot palpate the patient's lower extremity pulses and notes that the dial pulses are weak. The erythrocyte sedimentation rate (... | Takayasu's aeritis is an uncommon disorder that is most prevalent in young Asian women. In Takayasu's, an inflammatory process produces fibrous thickening of the aoic arch, causing narrowing or near obliteration of the origins of aeries that branch from the arch. Absent or diminished pulses are noted, especially in the... | 10,599 | medmcqa_train |
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