query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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Non immunized susceptible diphtheria contacts should receive: | Non immunized contacts should receive prophylactic penicillin or erythromycin. They should also be given 1000 to 2000 units of antitoxin and actively immunized against diphtheria. Ref: Park 21st edition, page 151. | 1,900 | medmcqa_train |
In emergency tracheostomy following structures are damaged except: | Structures which lie below the midline viz. isthmus of thyroid and thyroid ima aery can be damaged in emergency tracheostomy. Inferior thyroid veins emerge at the lower border of the isthmus form a plexus in front of the trachea and drains into brachiocephalic vein can be damaged during tracheostomy but inferior thyroi... | 1,901 | medmcqa_train |
Intrinsic factor is required for absorption of ? | Ans. is 'b' i.e., Vitamin B12 | 1,902 | medmcqa_train |
After a normal prenatal period, a lady developed sudden HTN and bleeding from all places. Diagnosis is: | (A) DIC# Disseminated Intravascular Coagulation (DIC), also known as disseminated intravascular coagulopathy or less commonly as consumptive coagulopathy, is a pathological process characterized by the widespread activation of the clotting cascade that results in the formation of blood clots in the small blood vessels ... | 1,903 | medmcqa_train |
Which of the following is the best test to diagnose bleeding in DIC? | Fibrin degradation product (FDP) is the best test to diagnose bleeding in DIC. D-Dimer assay is for screening | PT & | aPTT seen in a lot of conditions - so not best. | 1,904 | medmcqa_train |
Inferior border of scapula lies at the level of which rib? | ANSWER: (C) 7thREF: Gray's Anatomy 40th Ed Ch: 49Indirect repeat Anatomy 2012 Session II, 2013 Session 1The inferior angle overlies the seventh rib or intercostal space and T7 | 1,905 | medmcqa_train |
Marble bone disease, characterized by increase in bone density is due to mutation in the gene encoding: | Ans. B. Carbonic Anhydrase IIIn osteoporosis, also called as marble bone disease there is increased bone density. It is due to mutation in gene encodingcarbonic anhydrase II enzyme. The deficiency of this enzyme in osteoclasts leads to inability of bone resorption. | 1,906 | medmcqa_train |
Hemorrhagic fever is caused by - | kyasanur forest disease a hemorrhagic fever found in Karnataka. It is an arboviral disease. a new arbovirus genetically related to RSS isolated REF:ANANTHANARYANAN TEXTBOOK OF MICROBIOLOGY 9EDITION PGNO.524 | 1,907 | medmcqa_train |
Initial stage of clinical union of bone is equivalent to | The first signs of union are seen in stage of hard callus formation A. Clinical sign:fracture is no more mobile B. Radilogical sign :callus is seen on X ray *hard callus is immature woven bone* Ref: Maheshwari 9th/e p 12 | 1,908 | medmcqa_train |
A two-year-old child presents with persistent diarrhea, acidic stools and presence of one percent of reducing substance in the fresh stools. What is the most probable diagnosis? | Presence of acidic stools with reducing substance positive, suggests a diagnosis of lactose intolerance. | 1,909 | medmcqa_train |
Drug of choice for mycoplasma pneumonia is | Treatment options for acute M.pneumoniae infection include macrolides (e.g., oral azithromycin, 500 mg on day 1, then 250 mg/d on days 2-5), tetracyclines (e.g., oral doxycycline, 100 mg twice daily for 10-14 days), and respira-tory fluoroquinolones Ref Davidson edition23rd pg 585 | 1,910 | medmcqa_train |
A 6 year old female patient complains of pain due to a decayed lower right 2nd molar. During the treatment, patient becomes uncooperative and throws a tantrum. The dentist then asks the mother to step out of the operatory, after which the child begins to cooperate. The example demonstrated by the dentist falls under wh... | Omission (also called time-out), involves removal of a pleasant stimulus after a particular response. For example, if a child who throws a temper tantrum has his favorite toy taken away for a short time as a consequence of this behavior, the probability of similar misbehavior is decreased. | 1,911 | medmcqa_train |
Desks provided with table top to prevent neck problems in an example of | Specific protection comes under Primary prevention. It prevents risk factor from progressing to disease. Ref : Park&;s Textbook of Preventive and Social Medicine; 23rd edition; Page 42 | 1,912 | medmcqa_train |
Glutamine synthetase is a - | Ans. is 4b' i.e., Ligase /Ref Essential of biochemsitry p. 186]o All synthases are ligases.o All digestive enzymes are hydrolases.o Lyases are:DecarboxylasesAldolasesHydratasesEnolaseFumaraseArginosucinaseEnzyme classImportant enzymesOxidoreductaseOxidases, Dehydrogenases, Hydroperoxidases, (catalase, peroxidase), oxyg... | 1,913 | medmcqa_train |
Which of the following is not an accepted method of randomization- | Ans. is 'b' i.e., Odd/even day hospital admission Methods of Randomization o Randomization is accomplished in a number of classic ways 1. Lottery method Suppose 10 patients are to be put in a control group or the trial group out of 100 available. The serial numbers of patients are noted on 100 cards and then shuffled w... | 1,914 | medmcqa_train |
A 23 year old profession footballer sufferd a twisting injury to his right ankle. On examination there is a lot of swelling around the medial malleolus but xray doesn't show any fracture. The structure injured could be - | Answer- A. Deltoid LigamentDeltoid ligament injuries involve the deltoid ligament that forms the medial pa of the anHe joint.It attaches the medial malleolus to multiple tarsal bones.It occurs due to eversion and/orpronation injury, or can be associated with lateral ankle fractures. | 1,915 | medmcqa_train |
Von Willebrand&;s factor is synthesized in which one of the following - | The Von willebrand factor is synthesized in the endothelial cells ,megakaryocytes and platelets While the principal site of synthesis of factor VIII is the liver Reference :textbook of Pathology ,7th edition ,Author: Harsha Mohan, page number 314. | 1,916 | medmcqa_train |
Persistence of Moro's reflex is abnormal beyond the age of – | "In a normal infant, the Moro's reflex begins to fade at three months of age and gradually disappears at 4-6 months.
When it persists beyond 6 months it indicates a delay in CNS development." ---------- Tachdjian
"Moro's reflex disappears by six months in a normal infant." ------------ Ghai | 1,917 | medmcqa_train |
Which of the following statements regarding live vaccines is false | When 2 live vaccines are required they should be given either simultaneously at different sites or with an interval of at least 3 weeks.In case of live vaccines,protection is generally achieved with a single dose of vaccine (refer pgno:103 park 23 rd edition) | 1,918 | medmcqa_train |
All are alkylating agents, except ? | Ans. is 'a' i.e., 5 Fluorouracil | 1,919 | medmcqa_train |
True about VSD are all except - | Ans. is 'c' i.e., Reverse spliting of S2 Hemodynamics of VSD o A VSD results in shunting of oxygenated blood from left to right because left ventricle has more pressure than right Left to right shunt. o Blood flow from left to right ventricle due to high pressure gradient --> Pansystolic murmur and systolic thrill. o B... | 1,920 | medmcqa_train |
The most common causative organism for external otitis in adults is: | Otitis externa is an inflammatory and infectious process of the external auditory canal. Pseudomonas aeruginosa and Staphylococcus aureus are the most commonly isolated organisms. Less commonly isolated organisms include Proteus species, Staphylococcus epidermidis, diphtheroids, and Escherichia coli. | 1,921 | medmcqa_train |
Insulin is secreted along with the following molecule in a 1: 1 ratio: | D i.e. C - PeptideInsulin has two interchain (A7 - B7, & A20 - B19) and one intrachain (A6 - All) disulfide bridges with in AB hetrodimeric structureQ.Insulin is synthesized as pre-pro-hormone (MW 11, 500), which makes it difficult to synthesize insulin in laboratory even after synthesizing A, B chains. This pre prohor... | 1,922 | medmcqa_train |
A 20 year old boy c/o hearing of voices, aggressive behavior since 2 days. He has fever since 2 days. When asked to his family, they says that he has been muttering to self and gesticulating. There is no h/o of psychiatric illness. Likely diagnosis is | Acute psychosis ??? [Ref: Kaplan and Saddock synopsis of Psychiatry 10/e p 516-5171We are unable to reach a conclusive diagnosis with the information provided in the question.Acute onset, presence of fever, no history of psychiatric illness suggests delirium.But, the diagnosis of delirium cannot be made definitively in... | 1,923 | medmcqa_train |
The most impoant prognostic factor in breast carcinoma is | Stage I and II has got better prognosis. Spread to axillary nodes is the most impoant prognostic indicator. Age: Younger the age worser the prognosis. Sex: Carcinoma male breast has got worser prognosis compared to female breast. Because of early spread in carcinoma male breast. Atrophic scirrhous has got best prognosi... | 1,924 | medmcqa_train |
Which of the following is associated with > 20% risk of chromosomal anomalies? | Omphalocele is a midline abdominal wall defect. The abdominal viscera (commonly liver and bowel) are contained within a sac composed of peritoneum and amnion from which the umbilical cord arises at the apex and center. When the defect is less than 4 cm, it is termed a hernia of the umbilical cord; when greater than 10 ... | 1,925 | medmcqa_train |
Multiple myeloma most common part involved is- | Ans. is 'a' i.e., Bone marrow Multiple mveiomao Multiple myeloma is a plasma cell neoplasm characterized by involvement of the skeleton at multiple sites,o Plasma cells proliferate abnormally and the proliferated plasma cells infiltrate various organs, particularly bone marrow, but can also spread to lymph nodes and ex... | 1,926 | medmcqa_train |
All are the causes of neovascular glaucoma except: | Ans. Central serous retinopathy | 1,927 | medmcqa_train |
False about Corona viruses? | Corona viruses are enveloped. | 1,928 | medmcqa_train |
Copper sulfate poisoning manifests with | COPPER Poisonous Compounds: (1) Copper sulphate (blue vitriol) occurs in large, blue crystals. (2) Copper subacetate (verdigris), occurs in bluish-green masses or powder. Signs and Symptoms: Increased salivation, burning pain in the stomach with colicky abdominal pain, thirst, nausea, eructations and repeated vomiting.... | 1,929 | medmcqa_train |
Which of the following enzyme is associated with the conversion of androgen to oestrogen in a growing ovarian follicle is: | Aromatase enzyme: In a normal ovary, LH acts on the theca interstitial stromal cells, whereas FSH acts on granulosa cells. In response to LH the thecal cells secretes androgen, and the produced androsendione is conveed in the granulosa cells to estrogen by the action of aromatase enzyme. Ref: Physiology By James N. Pas... | 1,930 | medmcqa_train |
All of the following may occur in Noonan syndrome except: | c. Infertility in females(Ref: Nelson's 20/e p 2744-2746, Ghai 8/e p 640-641)Turner syndromeNoonan syndromeKaryotype 45, XOKaryotype normalInfertileFertile but delayed pubertySeen only in femalesMay be seen in males or femalesIntelligence normalIntellectual disability present | 1,931 | medmcqa_train |
Gas gangrene is caused by all except | Gas gangrene is rapidly spreading, edematous myonecrosis occurring characteristically in association with a severe wound of extensive muscle mass contaminated by pathogenic clostridia. Most frequently encountered is clostridium perfringes. Also caused by clostridium novyi, Clostridium septicum and clostridium histolyti... | 1,932 | medmcqa_train |
60 yrs old, air in biliary tree, colicky abdominal pain hyper-peristaltic abdominal sounds diagnosis - | Answer- A. Gall stone ileusPresence in air in biliary tract along with sign of intestinal obstruction is characteristic of gall stone ileus. | 1,933 | medmcqa_train |
The term applied when it is doubtful whether there will be space for all the teeth in mixed dentition analysis is: | Space supervision
It is a term applied when it is doubtful, according to the mixed dentition analysis, whether there will be room for all the teeth.
Prognosis for supervision is always questionable, where as prognosis is always good for regaining space and for space maintenance.
Space supervision cases are those that... | 1,934 | medmcqa_train |
Absence seizures are seen in: | Ans. is 'c' Petit mal epilepsy "Absence seizures or (Petit mal epilepsy is characterized by sudden, brief lapses of unconsciousness without loss of postural control line seizures typically lasts for only seconds, consciousness return as suddenly it was lost, and there is no postictal confusion.Absence seizures are usua... | 1,935 | medmcqa_train |
Which of the following enzymes contain manganese as its cofactor? | Manganese: Cofactor for enzymes, e.g., arginase, pyruvate carboxylase.
Enzymes that require a metal ion cofactor are termed metal-activated enzymes to distinguish them from the metalloenzymes for which bound metal ions serve as prosthetic groups.
Reference-Satyanarayana Pg- 405 | 1,936 | medmcqa_train |
Ergometrine is not used for initiation of labour because - | Ans. is 'b' i.e., Fetal hypoxia | 1,937 | medmcqa_train |
A 60-year-old man presents to the emergency department with chest pain described as retrosternal chest pressure radiating to the jaw. The symptoms started at rest and coming and going, but never lasting more than 15 minutes. He has a prior history of hypertension and smokes 1 pack/day. He is currently chest-pain free a... | A period of 24-48 hours is usually allowed to attempt medical therapy. Cardiac catheterization and angiography may be followed by bypass surgery or angioplasty. For those who do settle down, some form of subsequent risk stratification (e.g., exercise ECG) is indicated. | 1,938 | medmcqa_train |
Which one of the following statements about the gap junction is true? | The gap junction channel regulates the passage of ions and small molecules from cell to cell, excluding those having a molecular weight greater than 1200 Da. The tight junction is the zone of adhesion around the apical perimeter of adjacent cells. The other statements are characteristics of desmosomes. | 1,939 | medmcqa_train |
The muscle responsible for falsetto voice of puber phonia is | Cricothyroid is the main tensor responsible for the falsetto voice in puberphonia. There is hyperkinetic function and spasm of cricothyroid muscle. Ref:- TB of ENT Hazarika; pg num:- 636 | 1,940 | medmcqa_train |
The virus, which spreads by both hermatogenous and neural route is - | The virus multiplies initially in the epithelial cells of the alimentary canal and the lymohatic tissues from tonsil to peyer's patches. It then spreads to the rwgiinal lymoh node and enters blood stream. Direct neural transmission ti the CNS may also occur. REF:ANANTHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 9TH... | 1,941 | medmcqa_train |
The esophagus crosses the diaphragm at the level of: | The oesophagus is a muscular tube 25 cm (10 in) long, which connects the pharynx to the stomach. It begins in the neck, level with the lower border of the cricoid cailage and the sixth cervical veebra. It descends largely anterior to the veebral column through the superior and posterior mediastina, passes through the d... | 1,942 | medmcqa_train |
Constriction of the afferent aeriole to the kidney glomerulus results in: | The kidney is innervated primarily by the sympathetic nervous system, and as such, regulates the contraction of the smooth muscle surrounding the afferent and efferent aerioles of the glomerulus. Sympathetic stimulation to the efferent glomerular aerioles causes their constriction and increases the filtration rate, lea... | 1,943 | medmcqa_train |
During the following procedure, optimum interval between uterine incision and delivery should be less than ______ seconds. | Ans. D 90 secondsRef: Datta, 8th ed. pg. 673The image shows LSCS being performed, with the head being delivered by hooking fingers carefully between the lower uterine flap. The head is delivered by elevation and flexion using the palm as fulcrum and the optimum time between the uterine incision and delivery should be l... | 1,944 | medmcqa_train |
Ivermectin is indicated in all of the following except: | Ans: C (Malaria) Ref: The Pharmacological basis of therapeutics by Goodman dc Gilman - 12th edition, page no. 1455-1456 & Malaria Journal 2013: 12:153Explanation:Ivermectin has a beneficial therapeutic effect inOnchocerciasisLvmphatic filariasisStrong lyloidiasisAscariasisEnterobiasis.Ivermectin is also effective in he... | 1,945 | medmcqa_train |
Reinsch test is used in diagnosis of poisoning due to: UP 11; COMEDK 12 | Ans. Arsenic | 1,946 | medmcqa_train |
Groove sign is seen in – | Groove sign of Greenblatt' is pathognomonic of LGV → when inguinal lymph nodes are enlarged, they are separated by Poupart's ligment, producing a groove. | 1,947 | medmcqa_train |
Drug of choice for absence seizures: March 2011 | Ans. C: Valproate Sodium valproate is effective in absence/petit-mal seizures, combined grand mal and petit mal, myoclonic epilepsy, paial epilepsy, maniac depressive psychosis and as a prophylactic in febrile convulsion Absence seizures/Petit mal seizures (from the French for "little illness", a term dating from the l... | 1,948 | medmcqa_train |
Least common cause of pericarditis/pericardial effusion in children: | b. Sarcoidosis(Ref: Nelson's 20/e p 2269-2271, Ghai 8/e p 433-443)Important causes of pericarditis/pericardial effusion in children:Infectious* Viral (Coxsackie virus B, EBV, Influenza, Adenovirus); Fungal (Histoplasmosis, Actinomycosis)* Bacterial (TB, Streptococcus, Pneumococcus, Staphylococcus, Meningococcus, Mycopl... | 1,949 | medmcqa_train |
Actions of Bradykinin include all of the following, EXCEPT: | Kinins cause marked bronchoconstriction and not bronchodilatation. Their effect on other smooth muscles is not prominent. Ref: Essentials of Medical Pharmacology By KD Tripathi, 5th Edition, Pages 455 - 456; Textbook of Medical Physiology By Guyton and Hall, 10th Edition, Pages 181, 290, 399, 552, 725, 742. | 1,950 | medmcqa_train |
The lack of ability of an individual to do his routine activity is - | Disability defined as lack of ability of an individual to do his routine activity Disease defined as a condition in which body health is impaired, a depaure from a state of health, an alteration of human body interupting the performance of vital functions Impairment is defined as any loss or abnormality of psychologica... | 1,951 | medmcqa_train |
Most common affected tissue in cysticercosis is: | Ans. is 'c'Rarely neurocysticercosis happens and most common site is Parenchymal and associate with Ingestion of infected eggs of Taenia solium with food and water. | 1,952 | medmcqa_train |
A child is taken to a pediatrician because his mother notices that his eyes appear very puffy. The mother said that the boy's eyes appeared normal two days ago, and pa of what caused her concern was that her child seemed to be rapidly becoming ill. On physical examination, the boy is noted to have generalized edema. No... | Proteinuria greater than 40 mg/h/m2 in a child or 3.5 g/d/1.73 m2 in an adult produces nephrotic syndrome, which is characterized by generalized edema, often most noticeable in the face. The condition develops when large amounts of protein are spilled through the glomeruli into the duct system of the kidneys. In contra... | 1,953 | medmcqa_train |
Maximum regenerative capacity is of ? | Ans. is 'c' i.e., Intestinal epitheliumCells with good regenerative capacityi) Surface epithelium (stratified squamous) of skin, oral cavity, vagina and cervix.ii) Lining mucosa of all excretory ducts of glands (Salivary gland, pancreas, biliary duct).iii) Columinar epithelium of GIT (Intestinal mucosa) and uterus.iv) ... | 1,954 | medmcqa_train |
Drugs used for anaesthesia in hypotensive is | Ketamine raises the BP, therefore is the induction agent of choice in hypotensive states and shock.(Refer: stoelting's pharmacology and physiology in anaesthetic practice, 5th edition, pg no.294) | 1,955 | medmcqa_train |
Syncytium formation is a propey of ? | Ans. is 'c' i.e., Measles virus | 1,956 | medmcqa_train |
Which of the following is most common type of congential cardiac cyanotic anamoly? | Ans. is 'a' i.e., Tetralogy of Fallot o TOF is the commonest cyanotic congenital heart disease. | 1,957 | medmcqa_train |
The commonest cranial nerve palsy in tabes dorasalis is: | Ans. III nerve | 1,958 | medmcqa_train |
The commonest cancer of oral cavity is | Ans. (d) Squamous cell carcinomaRef: Devita 9th edition, page 729* Most common site oral Cancer: Carcinoma Tongue > Carcinoma Lip* Most common histological type: Squamous Cell Cancer* Most common site of oral Cancer in India: Cancer of Buccal Mucosa* Max Risk of L.N. Metastasis: Carcinoma Tongue* Min Risk of L.N Metast... | 1,959 | medmcqa_train |
Point Prevalence is defined as- | Ans. is 'd' i.e., Number of total cases at a given point of time * Prevalence refers specifically to all current cases (old and new) existing at a given point in time or over a period of time in a given population.* Prevalence is of two types: (i) Point prevalence, and (ii) Period prevalencei) Point prevalence# Point p... | 1,960 | medmcqa_train |
In Post radical neck dissection shoulder syndrome, all are seen except: | Ans. is 'd' i.e. Normal electromyographic finding In Radical neck dissections the most crippling complication is the "Shoulder Syndrome" arising from denervation and atrophy of the trapezius muscle due to sacrifice of the spinal accessory nerve (SAN).Shoulder syndrome is characterized by:inability to abduct the shoulde... | 1,961 | medmcqa_train |
Lysosomal transpo defect is seen in | Answer- A. CystinosisTwo disorders are caused by a proven defect in carrier-mediated transpo of metabolites: cystinosis end the group of sialic acid storage disorders (SASD). | 1,962 | medmcqa_train |
An 18-year-old man moves from sea level to an elevation of 2,400 m to train as a skier. The increased requirement for oxygen delivery to tissues at the higher elevation stimulates the synthesis of a renal hormone (erythropoietin), which targets hematopoietic stem cells in the bone marrow. Erythropoietin promotes the su... | - Recent studies indicate that erythropoietin promotes survival of early erythroid progenitor cells through inhibition of default apoptosis pathway. - Thus, this hormone rescues stem cells that are otherwise fated to undergo programmed cell death. - None of the other choices are known to control the expansion of hemato... | 1,963 | medmcqa_train |
Sunflower cataract is caused by | Chalcosis is copper alloy in the eye Refer: Khurana 6th edition page number 194 | 1,964 | medmcqa_train |
Notochord develops from - | Ans. is 'a' i.e., Epiblast cells o Notochord is a bud like structure formed by epiblast cells extending from cranial end of primitive streak to caudal end of prochordal plate, in between the ectoderm and endoderm.o Siginificances of notochord includes followingi) It defines the axis of embryoii) It functions as the pri... | 1,965 | medmcqa_train |
Scalp and face are involved in ? | Ans. is 'c' i.e., Infantile scabies Type Feature o Infantile scabies Scalp, face, palms and soles are involved o Norwegian scabies Crusted hyperkeratotic lesions on face , palms, soles, nails. Itching is not prominent. Mites are found in thousand, most severe form of scabies Crusted scabies Extensive crusts Nodular sca... | 1,966 | medmcqa_train |
Muscle forming anterior and posterior faucial folds of tonsillar fossa, respectively | Palatoglossus-palatopharyngeus form the boundary of the tonsillar fossaReference: Chaurasia; 6th edition | 1,967 | medmcqa_train |
GTT in pregnancy is indicated when if fasting blood sugar is above- | Ans. is 'd' i.e., 95gm/100ml Indications of GITo Fasting glycosuria on one occasion before 20th week & 2 or more occasions thereafter,o Following a positive screening test.o If fasting blood sugar exceeds 95mg / 100ml or if that after 2 hours of ingestion of lOO'gm (WHO-75) glucose is more than 120mg/100ml.o However if... | 1,968 | medmcqa_train |
Patient came with complaints of Polydipsia, hypercalciurea, nephrolithiasis, metabolic alkalosis. Possible cause is | Answer- A. Baters syndromeBater syndrome is an autosomal recessive disorder caused by mutation in gene coding for basolateral chloride channel (ClC-kb). There is loss of sodium, chloride, potassium and calcium in urine.The major clinical findings are hyponatremia, hypokalemia, polyurea, polydipsia, metabolic alkalosis,... | 1,969 | medmcqa_train |
Clathrin is used in: | Clathrin and megalin are associated with endocytosis Endocytosis is a vesicular transpo system, it is an active process | 1,970 | medmcqa_train |
Hockey stick appearance on echo is a feature of | Echocardiographic features of mitral stenosis:-Thickened and calcified mitral leaflets and subvalvular apparatus -Decreased E-F slope (M-mode)-Hockey stick appearance of the anterior mitral leaflet in diastole(long axis view)-Immobility of the posterior mitral leaflet (a similar appearance can be seen in hypereosinophi... | 1,971 | medmcqa_train |
All the following features our ventricular tachycardia as the cause of broad-complex tachycardia, except - | Ventricular tachycardia can be classified based on its morphology: Monomorphic ventricular tachycardia means that the appearance of all the beats match each other in each lead of a surface electrocardiogram (ECG). Scar-related monomorphic ventricular tachycardia is the most common type and a frequent cause of death in ... | 1,972 | medmcqa_train |
An elderly patient complains of recurrent episodes of amaurosis fugax. This is attributable to microembolization of which of the following? | Amaurosis fugax, one type of TIA, is a manifestation of carotid bifurcation atherosclerotic disease. It is manifested by unilateral blindness, being described by the patient as a window shade across the eye, lasting for minutes or hours. It is caused by micro emboli from a carotid lesion lodging in the retinal artery, ... | 1,973 | medmcqa_train |
A 44-year-old renal transplant patient develops severe cough and shortness of breath on exertion. On examination, he appears dyspneic, respirations 24/min, pulse 110/min, and oxygen saturation 88%. His lungs are clear on auscultation and heart sounds are normal. CXR shows bilateral diffuse perihilar infiltrates. Bronch... | The patient is infected with Pneumocystis organisms invading an immunocompromised host. The treatment of choice is trimethoprim-sulfamethoxazole. Alternate therapies include pentamidine (highly toxic) and trimetrexate plus folinic acid. | 1,974 | medmcqa_train |
A 21yrs. old pt. attended a party the previous night and gives the following symptoms pain in abdomen radiating to back, pulse 100/ min, BP 100/76temp 39deg C and vomiting before coming Most probable dx is : | Ans. is 'd' ie Acute Pancreatitis * The signs and symptoms exhibited by the pt. correlate with that of acute pancreatitis, most characterstic of which is - Radiation of pain to back and party in previous night (ie. h/o alcohol)Other imp. diagnostic clue (not given in question) is- Relief from pain on sitting in upright... | 1,975 | medmcqa_train |
Which of the following disease can be associated with sho QT interval on ECG ? | Sho QT syndrome (SQTS) is an inherited cardiac channelopathy characterised by an abnormally sho QT interval and increased risk for atrial and ventricular arrhythmias. Diagnosis is based on the evaluation of symptoms (syncope or cardiac arrest), family history and electrocardiogram (ECG) findings multiple myeloma shows ... | 1,976 | medmcqa_train |
An indicator is said to valid if | Ans) b (It measures the thing.. ) Ref park 20th ed p 226The term validity refers to what extent the test accurately measures which it purports/ intended to measure.Validity expresses the ability of a test to separate or distinguish those who have the disease from those who do not have.Validity has two components - Sens... | 1,977 | medmcqa_train |
Presence of hemiplegia with diminution of vision in the contralateral eye suggests occlusion of: September 2012 | Ans. D i.e. Internal carotid aery | 1,978 | medmcqa_train |
In increased ICT, agent used for anesthesia | D i.e. Isoflurane | 1,979 | medmcqa_train |
Malignant cell in Hodgkin's lymphoma is | Reed-Sternberg cells (also known as lacunar histiocytes for ceain types) are distinctive, giant cells found with light microscopy in biopsies from individuals with Hodgkin's lymphoma (a.k.a. Hodgkin's disease, a type of lymphoma). They are usually derived from ,B lymphocytes classically considered crippled germinal cen... | 1,980 | medmcqa_train |
PR interval in ECG shows? | Normal ECG waves and Intervals: ECG wave/Interval Characteristics 1. P Wave Reflects Atrial Depolarization (activation) 2. QRS complex Depolarization of ventricles 3. T Wave Repolarization of ventricles 4. PR Interval Atrial depolarization and conduction through AV node 5. QT Interval Total duration of Ventricular depo... | 1,981 | medmcqa_train |
Which of the following is a radiolucent stone? | Ans: a (Uric acid) Ref: Bailey and Love, 24th ed, p. 1317Pure uric acid stones are radiolucent and appear in an excretory urogram as filling defects.Uric acid stones if contain calcium, will cast a faint radiological shadow.Examples for radiolucent stones* Uric acid* Dihydroxy adenine* Orotic acid* Xanthine* Allopurino... | 1,982 | medmcqa_train |
Pain of musculoskeletal origin is all except | Pain of musulo skeletal origin
MPDS
TMJ arthritis
Stylohyoid eagles’s syndrome | 1,983 | medmcqa_train |
Milk ejection is facilitated by:March 2007, March 2013 | Ans. A: OxytocinHormonal control of Breast development and secretion and ejection of milkProgesterone -- influences the growth in size of alveoli and lobes.Oestrogen -- stimulates the milk duct system to grow and become specific.Follicle stimulating hormoneLuteinizing hormoneProlactin -- contributes to the increased gr... | 1,984 | medmcqa_train |
Following a myocardial infarct, a 40-year-old man is being treated prophylactically with propranolol. You would be concerned about the use of this drug if the patient also had what comorbid condition | Metabolic actions:- Propranolol inhibits glycogenolysis in hea, skeletal muscles and in liver, which occurs due to Adr release during hypoglycaemia--recovery from insulin action is delayed. Warning signs of hypoglycaemia mediated through sympathetic stimulation (tachycardia, tremor) are suppressed in patients taking be... | 1,985 | medmcqa_train |
Which of the following describes Satyriasis? | Ans. B. Increased sexual drive in male* Nymphomaniac: excessive sexual desire in females.* Satyriasis: excessive sexual desire in males | 1,986 | medmcqa_train |
Dose of Human anti-rabies immunoglobulin is | Management guidelines for rabies apa from vaccination Anti Rabies Serum Horse Rabies serum: 40 IU/Kg on Day 0 (50% in wound, 50% I'M) Human Rabies Immunoglobulin : 20 IU/Kg (Maximum in wound, rest IM gluteal) (Concentration 150 IU/ml) Serum sickness with Horse serum : 15-45% Person under Antirabic Treatment should avoi... | 1,987 | medmcqa_train |
Baroreceptors stimulation would result in | Baroreceptor stimulation results in
Inhibition of sympathetic activity
Excitation of parasympathetic activity
Decrease in heart rate
Decrease in blood pressure | 1,988 | medmcqa_train |
All are side effects of steroid EXCEPT | Mineralocoicoids cause cause edema, hypokalemia, sodium and water retention. Glucocoicoid cause Cushing's habitus, fragile skin, telangiectasis, hirsutism, hyperglycemia, muscular weakness, susceptible to infection, osteoporosis, HTN, poor wound healing, thin arms due to muscle wasting (REF.Essential of medical pharmac... | 1,989 | medmcqa_train |
Paul Bunnel test is done for? | EBV REF: Textbook of Microbiology & Immunology by Parija 2009 Page 504 Heterophil antibodies, which is an antibody against EBV cross reacts with red blood cells of different animal species. This can be used as a rapid screening test for mononucleosis (Monospot test and Paul Bunnell tests) The Paul-Bunnell test uses she... | 1,990 | medmcqa_train |
The largest trematode infecting masn is - | large or giant intestinal fluke Largest trematode infecting humans Pig serves as reservoir of infection (refer pgno:127 baveja 3 rd edition) | 1,991 | medmcqa_train |
True regarding respiratory centre | The respiratory center is located in the medulla oblongata and is involved in the minute-to-minute control of breathing. Unlike the cardiac system, respiratory rhythm is not produced by a homogeneous population of pacemaker cells Ref: guyton and hall textbook of medical physiology 12 edition page number: 371,372,373 | 1,992 | medmcqa_train |
Lymphadenopathy is seen is A/E | B i.e. Donovanosis | 1,993 | medmcqa_train |
Fluconazole differs from ketoconazole in all the following except (REPEAT) | Ketoconazole and fluconazole both are used in candidiasisRef: KDT 6/e p 762 | 1,994 | medmcqa_train |
Amount of chlorine needed to kill cyclops in drinking water is: September 2007 | Ans. C: 5 ppm Park's PSM, 21st ed., p- 723 states: Chlorine destroys cyclops and larvae of the guineaworm in a strength of 5 ppm Cyclops may be controlled by the use of the physical, chemical or biological methods: Physical methods - Straining - Boiling at 60 degree Celsius Chemical methods - Chlorine in a strength of ... | 1,995 | medmcqa_train |
Type-1 hypersensitivity includes all of the following except: | Ans. (a) Autoimmune hemolytic anemia HSN involving blood components are usually Type II HSN. | 1,996 | medmcqa_train |
A 80 year old patient presents with a midline tumor of the lower jaw, involving the alveolar margin. He is edentulous. Rx of choice is: | Segmental mandibulectomy recommended for alveolar lesions, tumors adherent to the mandible, or for radiographic evidence of bone involvement. Ref: Craniomaxillofacial Reconstructive and Corrective Bone Surgery: Principles of Internal Fixation By Alex M. Greenberg, Joachim Prein, 2002, page 411. | 1,997 | medmcqa_train |
Which of the following is not a derivative of amino acid tyrosine | Melatonin and serotonin are derivatives of Tryptophan. | 1,998 | medmcqa_train |
A 28 Years old white female presents with a 15-day history of malodorous vaginal discharge and pruritus. She reports that the smell is worse after intercourse and is accompanied by a white discharge. No significant medical or gynecological history. She is in a stable monogamous relationship and has never been pregnant.... | Answer: b) Vaginal fluid pH > 4.5, presence of clue cells on the smear and fishy odor on KOH mountVAGINAL INFECTIONSDiagnosticCriteria Differential Diagnosis of Vaginal infectionsNormalBacterialvaginosisCandidiasisTrichomoniasisBacterial (strep, staph, E.coli)Vaginal pH3.8-4.2>4.5<4.5>4.5>4.5DischargeClear,FlocculentTh... | 1,999 | medmcqa_train |
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