query
stringlengths
1
1.57k
pos
stringlengths
1
22.5k
idx
int64
0
161k
task_name
stringclasses
1 value
A patient complaints of breathlessness following a trauma, Trachea shifted to opposite side, Resonant percussion note seen with absent Breath sounds. On inseion of ICD- False statement is
Inseing a Chest Drain Site of Inseion: - Triangle of Safety Boundaries: - * Anterior to mid axillary line * Above level of nipple * Below and Lateral to Pectoralis Major * This usually gets inseed in 5th ICS level. Steps in ICD Inseion: - * Meticulous Sterility maintained. * Inse Local Anaesthesia up to Pleura. * Sharp...
9,500
medmcqa_train
True about spermatids
Spermatid is the haploid male gametes that results from division of secondary spermatocytes . as a result of meiosis, each spermatid contains only half of the genetic material present in the original primary spermatocyte., spermatids spermiogenesis to form the spermatozoa, they undergo no cell division. Ref: Gray's 39e...
9,501
medmcqa_train
Anti infective vitamin is –
Functions of Vit A Vitamin A is essential for - I.Normal vision Retinol is necessory for functioning of retina. Regeneration of rhodopsin during dark light is vit A dependent --> vit A deficiency causes defective dark adaptation. 2. Anti-infective Vitamin A is necessary for integrity of epithelial tissues that re...
9,502
medmcqa_train
All the following is a method of sewage disposal except
OTHER METHODS OF Sewage DISPOSAL. (a) Sea outfall (b) River outfall (c) Land treatment (d) Oxidation ponds (e) Oxidation ditches. Ref: Park 25th edition Pgno : 800
9,503
medmcqa_train
Snowstorm appearance in Ultrasound is seen in:
Explanation:On ultrasound, the Hydatiform mole resembles a bunch of grapes ('cluster of grapes" or ''honeycombed uterus" or "snow-storm appearance) (See table below) Partial and Complete Hydatiform Mole PARTIAL MOLECOMPLETE MOLEFetus, Fetal vessels, PlacentaPresentAbsentKaryotype69 XXY (triploid)46 XXHydropic changesFo...
9,504
medmcqa_train
Warfarin acts by
Ans. is 'a' i.e., Inhibition of Vitamin K epoxide reductase
9,505
medmcqa_train
Eversion occurs at which joint:
Ans. A. subtalarInversion and eversion refer to movements that tilt the sole of the foot away from (eversion) or towards (inversion) the midline of the body. This movement occurs at subtalar joint. Eversion is the movement of the sole of the foot away from the median plane. Inversion is the movement of the sole towards...
9,506
medmcqa_train
Wavelength of Nd: YAG laser
Ans. (d) 1064 nmRef: Khurana 6/e, p. 461Wavelength of laser is measured in nm and Nd:YAG Laser is 1064 nm. Nd:YAG Laser is used for posterior capsulotomy and peripheral iridotomy.
9,507
medmcqa_train
F plasmid of high frequency recombination is
Hfr Conjugation: F factor being a plasmid, is always Extra-chromosomal It may integrate with bacterial chromosome and behave as episome. Such donor cells are able to transfer chromosomal DNA to recipient cells with high frequency in comparison to F+ cells, therefore, named as Hfr cells (high frequency of recombination)...
9,508
medmcqa_train
True about Chest radiographs of children with foreign body aspiration is:
Ans. B. May show Hyperinflation of one lung field.The hallmark of an aspirated foreign body is a lung volume that does not change during the respiratory cycle. Due to the check valve mechanism, where air enters the bronchus around the foreign body but cannot exit, the affected lung will usually appear overinflated and ...
9,509
medmcqa_train
All are secreted in the stomach except?
Gastrin produced by G cells in the pyloric gland is absorbed into the blood and carried to the oxyntic glands where it stimulates the parietal cells strongly to secrete hcl. And secretin is synthesized and secreted by S cells of duodenum (GANONG'S REVIEW OF MEDICAL PHYSIOLOGY)
9,510
medmcqa_train
All of the following statements about nateglinide are true except ?
Sulfonylureas, nateglinide and repaglinide act by inhibiting ATP sensitive K channels and thus resulting in the release of insulin. Like insulin, all of these drugs can cause hypoglycemia. However, nateglinide therapy produces fewer episodes of hypoglycemia as compared to other oral insulin secretagogue. Nateglinide an...
9,511
medmcqa_train
This segment of jejunum shows a nodular lesion located in the submucosa. Upon histological examination, the tumor was composed of uniform round cells arranged in trabeculae, with a "salt-and-pepper" chromatin pattern. Electron microscopic studies revealed secretory granules, and immunohistochemical stains were positive...
The tumor in the picture is a carcinoid. This neoplasm derives from the neuroendocrine cells of the intestinal epithelium and often retains the capacity to produce hormonal substances, such as serotonin, gastrin, somatostatin, etc. The architectural arrangement is variable, although trabecular and insular patterns are ...
9,512
medmcqa_train
Figure of 8 in chest X-ray -
Ans. is 'a' i.e., Supracardiac TAPVC o Tertralogy of fallot- boot shaped hearto Transposition of great vessel- egg on sideo TPVC (supracardioe) - snownan or figure of 8 configuration
9,513
medmcqa_train
Regarding propofol which One of the following is false
Propofol also possesses significant antiemetic activity with small (sub hypnotic) doses (i.e., 10 mg in adults). The median concentration of propofol with an antiemetic effect was 343 ng/mL, which also causes a mild sedative effect. This concentration can be achieved by an initial dose of propofol infusion of 10 to 20 ...
9,514
medmcqa_train
Which of the following deficiency in alcoholics inhibit pyruvate dehydrogenase?
Arsenite and mercuric ions react with the - SH groups of lipoic acid and inhibit pyruvate dehydrogenase, as does a dietary deficiency of thiamin, allowing pyruvate to accumulate. Many alcoholics are thiamin-deficient (both because of a poor diet and also because alcohol inhibits thiamin absorption), and may develop pot...
9,515
medmcqa_train
Tetracycline injection causes palsy of which nerve?
Ans. is 'c' i.e., Radial
9,516
medmcqa_train
Which of the following is key area of nasal septum?
.
9,517
medmcqa_train
An 83-year-old man with Parkinson's disease presents with low-grade fever and cough for several weeks. Lately, he has been experiencing more rigidity and difficulty with his walking. He is on a levodopa/carbidopa combination for treatment for the past 5 years. On examination, his gait is shuffling and slow. He has a tr...
Most lung abscesses and all anaerobic abscesses involve the normal flora of the oropharynx. Septic embolic usually contain S. aureus. Factors that predispose to Gram-negative colonization of the oropharynx include hospitalization, debility, severe underlying diseases, alcoholism, diabetes, and advanced age. Impaired co...
9,518
medmcqa_train
A patient with microcytic hypochromic anemia. Hb-9 g%, serum iron-20 microg/dl, ferritin level-800 ng/ml, transferrin percentage saturation is 64%. What is possible diagnosis?
Ans. (a) Atransferrinemia(Ref: Wintrobe's 12th/pg814)This patient with microcytic hypochromic anemia, has high ferritin level (800ng/ml) & increased transferrin percentage saturation (64%). The most possible diagnosis is Atransferrinemia.AtransferrinemiaIt is a rare congenital autosomal recessive condition with low tra...
9,519
medmcqa_train
What does Gettlers test detects -
Reff: The synopsis of forensic medicine & Toxicology 28th edition pg: 194 In 1921, Gettler published a test for drowning from right and left hea chambers, a difference of 25mg/100ml between the chlorides concentrations of the two sides of the hea indicated that the death was due to drowning. In freshwater drowning the ...
9,520
medmcqa_train
Functional unit for implementation of National Mental Health Programme is at which level?
The Government of India has launched theNational Mental Health Programme(NMHP) in 1982, keeping in view the heavy burden of mental illness in the community, and the absolute inadequacy of mental health care infrastructure in the country to deal with it. Principal unit of Health administration in India is District under...
9,521
medmcqa_train
To prevent keratoconus what is used –
There are no preventive measures for keratoconus. Some specialists believe that patient with keratoconus should have their eye allergies aggressively treated and should be instructed not to rub their eyes
9,522
medmcqa_train
Following ultrasound is showing-
Ans. is 'b' i.e., Ectopic pregnancy* Empty endometrial cavity with an extrauterine single gestational sac with yolk sac in left adenexa. Both ovaries are normal. It is indicative of left adnexal, unruptured ectopic pregnancy.
9,523
medmcqa_train
What is the structure seen in the given X-ray below?
Plain abdominal X ray showing a stent in the right and left ureter. Ureteric stents,also known as double J stents or retrograde ureteric stents, is a urological catheter that has two "J-shaped" (curled) ends, where one is anchored in the renal pelvis and the other inside the bladder. Stents are used for the free passag...
9,524
medmcqa_train
Limiting amino acid in wheat are:
Limiting amino acid in various food stuffs Wheat-lysine (the most deficient) and threonine (second limiting amino acid) Rice-lysine Legumes-tryptophan or methionine (or cysteine) Maize-lysine and tryptophan Egg-none; the reference for absorbable protein
9,525
medmcqa_train
All of the following are true regarding whooping cough except:
Ans: cRef: Harrison, 16th ed, p. 875, 876
9,526
medmcqa_train
Maximum density of goblet cells is seen in:
C i.e. Nasal conjunctiva Goblet cells are the chief source of tear mucus Q. These occur throughout the conjunctiva, especially the plica semilunaris.
9,527
medmcqa_train
All of the following are seen in Systemic Juvenile Ahritis except
Rheumatoid factor is negative in systemic onset JIA Ref Ghai pediatrics eighth edition pg no 626
9,528
medmcqa_train
A village with 10000 population 250 suffered from malaria out of which 50 dead, another 100 suffered from dengue out of which 30 died in 2013 case fatality rate of dengue is -
Ans. is 'c' i.e., 30 CFR =Total no. of deaths due to a diseaseTotal no. of cases of the same diseasex 100 CFR due to dengue=No. of death due to dengueTotal cases of denguex 100 =30100x 100 = 30
9,529
medmcqa_train
All are true about mammary gland, except ?
Ans. is 'd' i.e., Nipple is supplied by 6th intercostal nerve Mammary gland Breast (mammary gland) is a modified sweat gland present in the superficial fascia of pectoral region. Veically it extend from 2" to 6' ribs at midclavicular line and horizonal extent is from sternal margin to midaxillary line at the level of 4...
9,530
medmcqa_train
In diffuse calcification of pancreas calcium lies in?
Ans. is 'd' i.e., Anywhere
9,531
medmcqa_train
Most common lung cancers in non smokers is
Adenocarcinoma is the most common lung cancers in non smokers.
9,532
medmcqa_train
BCR-ABL fusion gene is detected by?
Ans. (b) FISH(Ref: Robbins 9th/pg 616-618)Flow cytometry: is used for immunophenotyping in Leukemias & LymphomasFISH- used for detecting submicroscopic chromosomal aberrations of BCR-ABL fusionKaryotyping: Used for detecting chromosomal defects of at least 5 mb size (low sensitivity)RT-PCR: used for quantitative DNA es...
9,533
medmcqa_train
In a patient with head injury, unexplained hypotension warrants evaluation of:
High thoracic or cervical cord transection causes hypotension and bradycardia due to functional sympathectomy (sometimes with Horner syndrome). Ref: Harrison's Principles of Internal Medicine, 15th Edition, Page 2441; Surgery: Basic Science and Clinical Evidence By Jeffrey A. Noon, Philip S. Barie, Randall Bollinger, 2...
9,534
medmcqa_train
NOT a mutation in Down's syndrome
(D) VNTR's# A Variable Number Tandem Repeat (or VNTR) is a location in a genome where a short nucleotide sequence is organized as a tandem repeat is associated with major psychiatric disorders.> Trisomy 21 also known by the karyotype 47, XX+21 for females and 47,XY,+21 for males.> The extra chromosome 21 material may a...
9,535
medmcqa_train
Sironemelia is caused due to effect in ?
Gastrulation itself may be disrupted by genetic abnormalities and toxic insults. In caudal dysgenesis (sirenomelia), insufficient mesoderm is formed in the caudalmost region of the embryo. Because this mesoderm contributes to formation of the lower limbs, urogenital system (intermediate mesoderm), and lumbosacral veebr...
9,536
medmcqa_train
A gastric ulcer is said to be refractory when it fails to heal after therapy for:
A gastric ulcer that fails to heal after 12 weeks and a duodenal ulcer does not heal at 8 weeks of therapy should be considered refractory. Cause of refractory ulcers: Malignancy Zollinger Ellison syndrome Cigarette smoking Ischemia Crohn's disease Lymphoma Eosinophilic gastroenteritis Infections (TB,CMV) Ref: Harrison...
9,537
medmcqa_train
Induction at term is not done in
Preeclampsia is associated with significant maternal and fetal morbidity and moality. No pregnancy complicated by preeclampsia should be allowed to cross 38 weeks and earlier terminations will often have to be considered depending on maternal and fetal status. Refer page no 559 of Textbook of obstetrics, Sheila Balakri...
9,538
medmcqa_train
The following are true regarding Lyme's Disease, except -
Borrelia burgdorferi is the causative agent of Lyme’s disease Lyme’s disease is transmitted by ixodid tick Erythema migrans (annular skin lesions) occurs in 1st stage Rodents act as natural hosts.
9,539
medmcqa_train
A child presents with a lesion on the face as depicted on the PLATE. The biopsy from the lesion is also shown. What is the most probable diagnosis?
ANSWER: (C) Indeterminate LeprosyREF: IAL textbook of leprosy P:157CAUSES OF HYPOPIGMENTED WHITE LESION ON FAE OF CHILD* Pityriasis Alba* Vitiligo* Indeterminate Hansen* Albinism* Halo nevus* Post-kala-azar dermal leishmaniasis* Seborrheic dermatitis* Pityriasis Versicolor See PLATE - KEY INTERMEDIATE LEPROSY(A) Morpho...
9,540
medmcqa_train
The following tests are used to check the efiiciency of pasteurization of mild except -
Methylene blue reduction test is an indirect method for detection of microorganism in milk. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 606
9,541
medmcqa_train
All can take split thickness graft except -
"The skin graft must be applied to a well-vascularized recipient wound bed. It will not adhere to exposed bone, cartilage, or tendon devoid of periosteum, perichendrium or peritenon, respectively, or devoid of its vascularized perimembranous envelope." - Sabiston 17/e p 2185
9,542
medmcqa_train
True about gastric stump carcinoma
Usually, after Billroth II operation altered acid level, enterogatric bile reflux is the pathogenesis which increases the peptic activity causing mucosal metaplasia and dysplasia resulting in stump carcinoma Reference SRB edition:5 page:845
9,543
medmcqa_train
Lower 1/3'd of anal canal is derived from?
Ans. is'a'i.e., Proctodaeum(Ref: BDC Sh/eVol. Il p. 415)'The lower third of the anal canal is an ectodermal derivative and is derived from the proctodaeum.'Pa of anal canal above pectinate line develops from dorsal pa of md.odermal cloaca (primitive rectum) and pa of anal canal below pectinate line develops from ectode...
9,544
medmcqa_train
Treatment for achalasia associated with high rate of recurrence :
Treatment of Achalasia The aim of treatment is to relieve the functional obstruction at the cardio The two main methods to achieve this are Forceful dilatation or Esophageal myotomy (Heller's myotomy) with or without an antireflux procedure 1) Forceful dilatation (pneumatic dilatation) The aim is to weaken or rupture t...
9,545
medmcqa_train
Antibiotic treatment of choice for treating cholera in an adult is a single dose of:
Doxycycline - antibiotic of choice for adults only single dose suffices. TMP-SMX - antibiotic of choice for children. Furazolidone - antibiotic of choice for pregnant women. Ref: Park's Textbook Of Preventive And Social Medicine By K. Park, 19th Edition, Page 193; Park's Textbook Of Preventive And Social Medicine By K....
9,546
medmcqa_train
In treatment of papillary carcinomas thyroid, radioiodine destroys the neoplastic cells predominantly by
I131 is treated by the body just like the ordinary nonradioactive isotope, so that when swallowed it is concentrated in the thyroid gland. It emits mainly β radiation (90%) which penetrates only 0.5 mm of the tissue and thus allows therapeutic effects on the thyroid without any damage to the surrounding structures, par...
9,547
medmcqa_train
An IgG2 molecule is composed of which of the following?
IgG molecules contain two gamma heavy chains of a given subtype and two light chains (either kappa or lambda). The 2 in IgG2 indicates the subclass to which the molecule belongs. IgG2 contains two gamma2 chains (since a given B cell can only form one type of heavy chain). The IgG molecule will contain either two kappa ...
9,548
medmcqa_train
Find therapeutic index of drug from the information given below in the graph
TI = LD50/ED50 TI = 128 mg/8 mg = 16
9,549
medmcqa_train
Inferior mesenteric vein drains into vein-
Splenic
9,550
medmcqa_train
Pituitary diabetes insipidus is improved by?
CHLORPROPAMIDE : This Anti-diabetic drug was withdrawn from market as it causes SIADH. So theoretically, it can be used in diabetes insipidus. But the DOC for treatment of Central Diabetes Insipidus: Desmopressin
9,551
medmcqa_train
somatic efferent nerves are all except:
Somatic efferent nerves, also called as general somatic efferent (GSE) nerves, supply skeletal muscle of somatic origin. Somatic efferent nerves are: • Occulomotor (3) • Trochlear (4) • Abducent (6) • Hypoglossal (12)
9,552
medmcqa_train
Which of the following is an ionic channel ?
Ans. is 'c' i.e., Nicotinic cholinergic receptors
9,553
medmcqa_train
Na+ – K+ ATPase
In Na+-K+ exchange, 3 Na goes out and 2K goes in to the cell.
9,554
medmcqa_train
Glycine is useful in all of the following except -
Ans. is 'c' i.e., Spermine synthesis Glycineo Glycine is a nonessential amino acid which is synthesized from serine. Glycine is metabolized by following three pathways -It can be converted to serine, a reaction that require tetrahydrofolate {derivative of folic acidQ) and pyridoxal phosphateQ as coenzyme. Further serin...
9,555
medmcqa_train
Granulomatosis hepatitis is not caused by:
Granulomatous hepatitis is a cause of pyrexia of unknown origin and granulomas are picked up on CT scan or USG abdomen. It is associated with infections like tuberculosis, cat scratch disease, blastomycosis, histoplasmosis.
9,556
medmcqa_train
The inner wall of the tubule is highly calcified and termed as
Dentin is made up of dentinal tubules. The dentinal tubules contain the protoplasmic process of the odontoblasts called odontoblastic process. The inner wall of the tubule is highly calcified and is termed as peritubular or intratubular dentin. Between the tubules is the intertubular dentin and it is calcified to a les...
9,557
medmcqa_train
Duodenal blow out is usually seen at which day of the post operative period?
Ans: a (4th day)Duodenal blow out usually occurs between 2-7 days of surgery, more specifically on the 4th.It presents as abdominal pain, tachycardia, worsening of the general condition of the patient.It usually occurs after Billroth -II gastrectomyManagement:Total parenteral nutrution is given, catheter is placed imme...
9,558
medmcqa_train
Super carrier of HBV shows following serum markers ?
Ans. is 'c' i.e., HbsAg + HBeAg + HBV DNA In HBV infection, there are two types of carriers : Super Carriers High titre of HBs Ag, HBe Ag, DNA polymerase and HBV in the circulation Highly infective Simple carriers Low titre of HBsAg with negative HBe Ag, DNA polymerase and HBV Have low infectivity
9,559
medmcqa_train
NNN media used in?
Diagnosis Novy-Macneal-Nicole Medium Laboratory diagnosis of leishmaniasis can include the following: Isolation, visualization, and culturing of the parasite from infected tissue Serologic detection of antibodies to recombinant K39 antigen Polymerase chain reaction (PCR) assay for sensitive, rapid diagnosis of Leishman...
9,560
medmcqa_train
How many pairs of flagella does Giardia lamblia possess -
Ans. is 'd' i.e., Four Giardia (review)o Giardia is a flagellate protozoao It is the only common protozoa that inhabits the duodenum and jejunum (upper small intestine) of human.o Infective form - cysto Mode of transmission - Ingestion of cysto Giardia exists in two forms
9,561
medmcqa_train
A 27 years old P2L2 has come to OPD for contraceptive advice. She has delivered a male child 3 weeks back and is presently lactating. She has no contraindication of any hormone use. She can be given-
Progestin-only Contraception methods do not impair milk production and are an excellent choice for lactating women. There are no increased risks of genital tract or breast neoplasia MEC 1 However, after the initial 6 weeks of delivery are over, use of IUCDs is equally good. OCP contain estrogens which significantly red...
9,562
medmcqa_train
Endometrial repair after menstrual bleeding is under the influence of which hormone ?
Ans. is 'c' i.e., EstrogenAfter mensturation there is proliferative phase, which is under the control of estrogen.Secretory phase is controlled by progesterone
9,563
medmcqa_train
A 18yr old girl comes to gynaec OPD presenting with 6months A amenorrhea with his low grade fever weight loss pain abdomen generalised weakness On clinical examination pelvic mass felt on left side with features of ascites Diagnosis
ref : shaw gynecology
9,564
medmcqa_train
Radioactive phosphorus is used in the treatment of –
Amongst the given options, Radioactive phosphorus has a well-established role in polycythemia vera. It has also been tried in multiple myeloma, however, its use for this is still debatable.
9,565
medmcqa_train
Vitamin K is a cofactor in
Refer Katzung 10/e p 549 Vitamin K is involved in activition if various clotting factors as well as anticlotting clotting proteins It carries out the final step in activation of these ors I. E, gamma carboxylation of glutamate residues in these factors
9,566
medmcqa_train
Pseudomembranous colitis, all are true except -
Ans. is 'c' i.e., Blood in stools is a common feature
9,567
medmcqa_train
Amyloid deposit stain positively with all of the following except
Ref Robbins 9/e p262 The Modified Gomori Methenamine-SilverNitrate Stain (GMS Stain) is intended for usein the histologic visualization of fungi, basement membrane and some oppounistic organisms such as Pneumocystis carinii.
9,568
medmcqa_train
In an experiment, metabolically active cells are subjected to radiant energy in the form of x-rays. This results in cell injury caused by hydrolysis of water. Which of the following intracellular enzymes helps to protect the cells from this type of injury?
The body has intracellular mechanisms that prevent damage from free radicals generated by exposure to x-rays. Glutathione peroxidase reduces such injury by catalyzing the breakdown of hydrogen peroxide. Endonucleases damage DNA in nuclear chromatin. Lactate dehydrogenase is present in a variety of cells, and its elevat...
9,569
medmcqa_train
Which of the following conditions is diagnosed using Cozen's test?
Cozen's test - In this test active extension of wrist against resistance produces pain at the point of common extensor origin. It is considered a positive finding for lateral epicondylitis or Tennis elbow.
9,570
medmcqa_train
Chronic calcific pancreatitis is associated with all of the following except: September 2005
Ars. A: Hypercalcemia Chronic calcifying pancreatitis is invariably related to alcoholism. The earliest finding is precipitation of proteinaceous material in the pancreatic ducts that forms protein plugs that subsequently calcify. The pancreatic ductal epithelium undergoes atrophy, hyperplasia, and metaplasia at the si...
9,571
medmcqa_train
Which of the following artery supplies lower 2/3rd of thyroid lobe, trachea, thymus
Superior thyroid artery is the first anterior branch of external carotid artery. It is intimately related to external laryngeal nerve. The superior thyroid artery supplies upper one third of thyroid lobe and the upper half of isthmus. The inferior thyroid artery is a branch of thyro cervical trunk, which arises from su...
9,572
medmcqa_train
The child , Draws triangle from a copy at _______.
Emerging patterns of Adaptive milestones from 1-5years of age 15months Makes a tower of 3 cubes Makes a line with a crayon Inses raisin in a bottle 18months Makes a tower of 4 cubes Imitates scribbling Imitates veical stroke Dumps raisin from a bottle 24months Makes a tower of 7 cubes (6 at 21 mo) Scribbles in a circul...
9,573
medmcqa_train
Which of the following is not associated with multiple myeloma?
MULTIPLE MYELOMA : Bone pain is the most common symptom in myeloma, affecting nearly 70% of patients. Unlike the pain of metastatic carcinoma, which often is worse at night, the pain of myeloma is precipitated by movement. Persistent localized pain in a patient with myeloma usually signifies a pathologic fracture. The ...
9,574
medmcqa_train
The highest volume overload in a paurient due to maximum cardiac output is seen:
Ans. d. Immediately after delivery The highest volume overload in a paurient due to maximum cardiac output is seen immediately after delivery. "Peripheral vasodilation leading to a decrease in systemic vascular resistance is thought to be the first cardiovascular change associated with pregnancy (induced by progesteron...
9,575
medmcqa_train
Turcot's syndrome is associated with -a) Duodenal polypsb) Familial adenomatous polyposisc) Brain tumorsd) Villous adenomae) Hyperplastic polyps
Turcot's syndrome is a variant of Familial adenomatous polyposis characterized by - Colorectal polyposis - Brain tumors (Medulloblastoma, Glioblastoma multiforme) The colonic polyps in Turcot's syndrome are fewer and larger than in classic FAP.
9,576
medmcqa_train
Absolute contraindication to thiopentone:
Ans. (b) Acute intermittent phorphyriaMust Know* Thiopentone is C/I in acute intermittent porphyria.* Etomidate is C/I in adrenal insufficiency.* LA which causes meth hemoglobinemia: Prilocaine* Malignant hyperthermia is caused by: Succinylcholine* DOC for malignant hyperthermia: Dantrolene
9,577
medmcqa_train
A small amount of atropine is added to diphenoxylate in order to:
Atropine is intentionally added to diphenoxylate in fixed dose combinations to intentionally produce the adverse effects. - If the person takes diphenoxylate in large doses to get the euphoria, atropine will produce adverse effects and the person will not abuse the drug.
9,578
medmcqa_train
A case of injury to right brow due to a fall from scooter presents with sudden loss of vision in the right eye. The pupil shows absent direct reflex but a normal consensual pupillary reflex is present. The fundus is normal. The treatment or choice is:
A i.e. Intensive intravenous coicosteroids as prescribed for spinal injuries to be instituted within six hours A i.e. Intensive intravenous coicosteroids as prescribed for spinal injuries to be instituted within six hours The first line of management of traumatic optic neuropathy is mega dose IV methyl prednisolone wit...
9,579
medmcqa_train
Which of the following is the site of Venous Thrombosis in Budd Chiari Syndrome?
Budd-Chiari Syndrome (BCS) is an uncommon congestive hepatopathy caused by the obstruction of hepatic venous outflow. Patients may present with acute signs and symptoms of abdominal pain, ascites, and hepatomegaly or more chronic symptoms related to long-standing poal hypeension. The obstruction may be thrombotic or no...
9,580
medmcqa_train
True about small bowel diverticula-
Small bowel is uncommon site for diverticula. In small bowel, duodenum is the most common site followed by jejunum and then ileum. They are mainly acquired type and are false diverticula i.e. their walls consists of only mucosa or submucosa. They are mainly seen at the mesenteric border. Small bowel diverticula can be ...
9,581
medmcqa_train
Function of Golgi apparatus is
Organization of the Golgi is directed at proper glycosylation of proteins and lipids. There are more than 200 enzymes that function to add, remove, or modify sugars from proteins and lipids in the Golgi apparatus. Membranous vesicles containing newly synthesized proteins bud off from the granular endoplasmic reticulum ...
9,582
medmcqa_train
In a 40 years old male thrombus in the common femoral aery is because of -
Ans. is 'a' i.e., Atheroma
9,583
medmcqa_train
Treatment of choice in central safe perforation is -
There are 2 schools of thought as far as this question is concerned – Some believe that. TOC of central perforation is myringoplasty. TOC of central perforation is conservative management. But according to Turner 10/e, p 285 - central perforation/ tubo tympanic CSOM are both managed conservatively by antibiotics and ...
9,584
medmcqa_train
Plasmacytoid lymphomas may be associated with increase in
Lymphoplasmacytic lymphoma is a B-cell neoplasm composed of small lymphocytes, plasmacytoidlymphocytes, and plasma cells, which typically affects older adults. There is maturation to plasmacytoid cells, but lacking the features of other lymphomas (pseudofollicles, neoplastic follicles, monocytoid B cells). lymph nodes;...
9,585
medmcqa_train
A woman consumes several tabs of Amitryptilline (case of amitryptiline poisoning). All of the following can be done except -
Ans. is 'd' i.e., Atropine as antidote o This question is straight forward and you can solve this one, even if you don't know the treatment of TCAs poisoning. As you all know that TCAs cause antichlolinergic side effects, atropine (an anticholinergic drug) cannot be used in TCAs poisoning. Treatment of TCAs Poisoning o...
9,586
medmcqa_train
Best preservative for protozoal cysts is
10 % formalin is ALL - purpose fixative used for preservation of morphology of helminth eggs, larvae, protozoan cysts and coccidian.
9,587
medmcqa_train
The Ridley -Jopling classification for leprosy is based on which of the following parameters?
Ans. a. Clinical, bacteriological, immunological Ridley-Jopling Classification for Leprosy is based on Clinical (skin and nerve involvement), bacteriological (bacteriological/ morphological index in skin and nasal smears) and immunological criteria (Lepromin test).
9,588
medmcqa_train
By what age a child can make tower of 3 cubes?
15 months - 2 cube tower 18 months - 3 cube tower 24 months - 6 cube tower 36 months - 9 cube tower
9,589
medmcqa_train
Which of the following is FALSE regarding breast cancer during pregnancy?
Breast cancer occurs in 1 of every 3000 pregnant women, and axillary lymph node metastases are present in up to 75% of these women. The average age of the pregnant woman with breast cancer is 34 years. Less than 25% of the breast nodules developing during pregnancy and lactation will be cancerous. Ultrasonography and n...
9,590
medmcqa_train
Which of the viruses is not commonly implicated in the pathogenesis of Non-Hodgkin's lymphomas?
HTLV-1 is associated with adult T-cell leukemia/lymphoma. EBV is found in a subset of Burkitt lymphoma, 30% to 40% of Hodgkin lymphoma (HL), many B-cell lymphomas arising in the setting of T-cell immunodeficiency, and rare NK-cell lymphomas. In addition to Kaposi sarcoma, HHV-8 is associated with an unusual B-cell lymp...
9,591
medmcqa_train
Karlstad studies were held in:
Since artificial fluoridation is not permitted in Sweden a number of other initiatives were introduced in 1971 as part of the "Karlstad studies" to evaluate the separate and combined effects of different plaque control programs.  The efficacy of professional tooth cleaning was extensively investigated for the first time in th...
9,592
medmcqa_train
All are true regarding Thrombotic Thrombocytopenia Purpurs (TTP), except ?
Ans. is 'a' i.e., Normal complement levels All the given options are true in relation to TTP. Because red cells are forced to squeeze through abnormally narrowed small vessels because of thrombi. --> Due to consuption of platelets in formation of platelet thrombi. --> Due to presence of thrombi in CNS microcirculation....
9,593
medmcqa_train
Mutism is a recognised feature of :
> A. i.e. Ganser state; B. i.e. Conversion hysteria; C. i.e. Catatonic schizophrenia
9,594
medmcqa_train
In a patient post myocardial infarction developed arrial fibrillation. Subsequently the ECHO showed a mural thrombus. The management is by
(A) Warfarin # Patients with an anterior location of the infarction, severe LV dysfunction, CHF, a history of embolism, two-dimensional echocardiographic evidence of mural thrombus, or atrial fibrillation are at increased risk of systemic or pulmonary thromboembciism.> Such individuals should receive full therapeutic l...
9,595
medmcqa_train
Not seen in pellagra -
- niacin deficiency results in pellagra. The disease is characterized by diarrhea, dermatitis and dementia. - niacin deficiency is common in maize eating population due to aminoacid imbalance cause by an excess of leucine. - excess of leucine appears to interfere in the conversion of tryptophan to niacin. Reference: Pa...
9,596
medmcqa_train
Isolated hyperbilirubinemia is classically seen as an adverse effect of:
Hepatotoxicity due to rifampin alone is uncommon and often consists of isolated hyperbilirubinemia. Ref: Harrisons Principles of Internal Medicine, 18th Edition, Page 1375
9,597
medmcqa_train
Green coloured urine is seen in:
Ans: d (Phenol) Ref:Reddy, 27th ed, p. 469In phenol poisoning (carbolic acid) green coloured urine is passed which is called carboluria. Il is due lo the presence of oxidized hydroquinone and pyrocatechol in urine. They are derivatives of phenol. The hydroquinone and pyrocatechol cause pigmentation in the cornea and va...
9,598
medmcqa_train
Pseudochylous ascites occurs in-
• Abnormal accumulation in the peritoneal cavity of a milky fluid that resembles chyle. • The turbidity of the fluid is caused by cellular debris in the fluid. • Pseudochylous ascites is indicative of an abdominal tumor or infection. • In some patients the ascitic fluid appears milky because of an excess of chylomicron...
9,599
medmcqa_train