query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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Rate limiting step in fatty acid synthesis is ? | Production of malonyl-CoA is the initial and rate limiting step in fatty acid synthesis.Acetyl-CoA needs to be conveed to activated form, which will serve as the donor of carbon units to growing fatty acid chain.Malonyl-CoA) a 3- carbon compound is such activated form.It is produced by carboxylation of acetyl-CoA, a re... | 13,900 | medmcqa_train |
Most common indication of In Vitro Feilization is an abnormality in : Most common indication of In VitroFeilization is an abnormality in : | Fallopian tube | 13,901 | medmcqa_train |
Which of the following is (are) Heredofamilial amyloidosis - | A variety of familial forms of amyloidosis have been described; most are rare and occur in limited geographic areas. The best-characterized is an autosomal recessive condition called familial Mediterranean fever. This is a febrile disorder characterized by attacks of fever accompanied by inflammation of serosal surface... | 13,902 | medmcqa_train |
Psoriasis has the following features except | Granular cell layer is thinned or almost absent. | 13,903 | medmcqa_train |
Which one of the following drugs does not interfere with folic acid metabolism? | Ans. is 'b' i.e., Gabapentin Antiepileptics interfering with folic acid metabolism. 1. Phenytoin 2. Phenobarbitone 3. Primidone | 13,904 | medmcqa_train |
Best treatment for exercise induced asthma is | The stepwise approach to the management of asthma Step 1: Occasional use of inhaled sho-acting b2-adrenoreceptor agonist bronchodilators A variety of different inhaled devices are available and the choice of device should be guided by patient preference and competence its use. The metered-dose inhaler remains the most ... | 13,905 | medmcqa_train |
A 25-year-old woman is being evaluated for chronic fatigue. She has a history of heavy menstrual periods since menarche and also recalls frequent nosebleeds as a child. Her past medical history is otherwise insignificant and she takes no medications. Laboratory studies show normal prothrombin time (PT), activated paial... | Hypofibrinogemia Patient will low level of fibrinogen Factor IX deficiency Clotting factor deficiency APTT value is abnormal Rare in females Immune thrombocytopenia Platelet count will be low Von Willebrand disease Most common cause of inherited bleeding disorder One of the common causes of pubey menorrhagia PT, platel... | 13,906 | medmcqa_train |
Chediak Higashi syndrome is characterized by? | Ans. is 'd' i.e., All the aboveThe rapid antibody based diagnostic test/card test uses histidine rich protein 2 or lastate dehydrogenase. It is rapid simple sensitive and specific test. | 13,907 | medmcqa_train |
Premature baby of 34 wks was delivered. Baby developed bullous lesion on the skin and X-ray shows periostitis. What should be the fleet investigation ? | Ans. is 'a' i.e., VDRL for mother and Baby Bullous lesion and periostitis suggest the diagnosis of congenital syphilis. o The only option related to syphilis is option 'a'. o Following evaluations are recommended : - 1. Physical examiation 2. A quantitative nontreponemal test for syphilis (VDRL). 3. CSF for cell count,... | 13,908 | medmcqa_train |
A 26 year old male presented to the dental clinic with pain in the right lower back tooth region. On examination, it was evident that pericoronitis is present with #48. The inherent filtration of the machine used is 3 mm of Aluminium operating at 70 kVp. By the use of this machine, the surface exposure: | Filtration results in decreased patient exposure with no loss of radiographic information.
When an X-ray beam is filtered with 3 mm of aluminum, the surface exposure is reduced to approximately 20% of the exposure with no filtration.
Reference: ORAL RADIOLOGY PRINCIPLES AND INTERPRETATION,8th EDITION, Stuart C. Whi... | 13,909 | medmcqa_train |
In metabolic acidosis what happens to PCO2 - | The fall in blood pH is accompanied by a characteristic increase in ventilation, especially the tidal volume (Kussmaul respiration). Metabolic acidosis due to an increase in endogenous acids (e.g., ketoacidosis) lowers extracellular fluid and decreases extracellular pH. This stimulates the medullary chemoreceptors to i... | 13,910 | medmcqa_train |
The smallest diameter of the true pelvis is : | Ans. is a i.e. Interspinous diameter Friends. we have mugged up pelvis in detail for our undergraduate exams but for PGME exams you need not mug up each and everything about pelvis All you need to know are some of the impoant diameters, which I am listing down below. Diameters of Pelvis : Diameter Inlet Mid Pelvis Outl... | 13,911 | medmcqa_train |
All of the following are vitamin K dependent coagulation factors except: | Clotting factors II, VII, IX and X are vitamin K dependent factors.
Six of the proteins involved in clotting require conversion of a number of glutamic acid residues to γ-carboxyglutamic acid residues before being released into the circulation, and hence all six are vitamin K-dependent. These proteins are factors II (p... | 13,912 | medmcqa_train |
Colic generally disappear by age - | Ans. is 'c' i.e., 4 months Colic (Evening colic) o Colic is characterized by intermittent episodes of abdominal pain in young infants who are etherwise well. o It usually begins at 1-2 weeks of age and can persist till 3-4 months of age. o Crying occurs in the late afternoon or evening. The diagnosis is confirmed when ... | 13,913 | medmcqa_train |
A 25-year-old woman has recently moved to a new city. She comes today for her first routine visit and annual physical assessment. She feels well, reports no new symptoms, and her past medical history is negative. Her only medication is the oral contraceptive pill; she is currently in university and drinks on a social b... | There is universal agreement on the need for regular Pap smears in young women. There is no need to screen for colon cancer (fecal occult blood) or lung tumors (CXR), particularly at this age. Mammography, if indicated for screening, would be only for older women. Many authorities recommend breast self-examination as w... | 13,914 | medmcqa_train |
The purpose of investment setting expansion is to compensate for | The rationale for increasing setting expansion is that certain newer alloys, such as base metal, have a greater casting shrinkage than do the traditional noble metal alloys. Thus, higher expansion is required in the stone die to aid in compensating for the alloy solidification shrinkage.
Phillips 12th edition page no 1... | 13,915 | medmcqa_train |
What is this instrument used to measure? | d. Mid arm circumferenceA measuring tape with cm markings (from 6to26cm) with 3 colored zones (red, yellow & green) is a Shakir's tape. | 13,916 | medmcqa_train |
Most specific test to detect blood stains is | Spectroscopic test is the most specific for blood stains. Tests for blood stains Spectroscopy tests can give information about what chemical compounds and elements are present in a sample, whether ceain types of degradation have occurred in a sample, the amount and type of crystallinity present in the sample, to name a... | 13,917 | medmcqa_train |
Non-respiratory function of lungs - | Ans. is 'b' i.e., Sodium balance * One of the most important metabolic (non-respiratory) function of lungs is activation of relatively physiologically in active decapeptide angiotensin I to 50 times more potent (active) vasoconstrictor, pressor (|BP), aldosterone stimulating octapeptid angiotensin II by extracellular A... | 13,918 | medmcqa_train |
Investigations in a patient of oliguria revealed: Urine osmolality: 800 mOsm/kg. Urinary sodium 10 mmol/L.BUN: creatinine=20:1. What is the most likely diagnosis? | Pre renal Renal (ATN) Post renal Urine osmolality > 500 mOsm ~ 300 mOsm <400 mOsm Urine sodium <20 mmol/dl >20 mmol/dl Variable FeNa <1 >1 Variable Urine microscopic findings Hyaline casts Muddy brown casts Normal or RBC/WBC BUN: creatinine ratio >20:1 (normal 10:1) <20:1 >20:1 | 13,919 | medmcqa_train |
Criminal negligence is punishable under section 304 A for a maximum of - | CRIMINAL NEGLIGENCE: The question of criminal negligence may arise: 1) When a doctor shows gross absence of skill or care during treatment resulting in serious injury or death of the patient. 2) When a doctor performs an illegal act. 3) When an assaulant person dies, the defence may attribute the death to the negligenc... | 13,920 | medmcqa_train |
Oxalate crystals in urine is seen in poisoning with | Ans: b (Ethylene glycol)Ref: Harrison, 17 ed. pg. 291, Davidson 21 ed. pg.Ethylene glycol poisoning (Antifreeze)Ethylene glycol is metabolized into glycoaldehyde, glycolic acid, glycoxylic acid, oxalic acid causing metabolic acidosis; oxalate causes renal damage due to calcium oxalate crystals in urine.C/F: Ophthalmpop... | 13,921 | medmcqa_train |
Chief cells are most abundant in which pa of the stomach? | Chief cells are more abundant in the fundus of the stomach. Cardiac poion of stomach is rich in mucus secreting glands and have few parietal or chief cells. Body of stomach is rich in parietal and mucous cells and pyloric pa of stomach is rich in enteroendocrine cells. Ref: Modern Nutrition In Health and Disease By Mau... | 13,922 | medmcqa_train |
Bence jones proteinuria is best detected by | Ans. is `d' i.e., Electrophoresis Bence Jones proteins are seen in multiple myeloma. Urinary protein electrophoresis will exhibit a discrete protein peak. In myeloma plasma cells produce immuno-globulin of a single heavy and light chain, a monoclonal protein commonly referred to as a paraprotein. Heat test is false neg... | 13,923 | medmcqa_train |
CURB-65 score includes all except: | Answer- D. Systolic BP < 100 mm Hg and Diastolic BP < 60 mill HgPneumonia Severily Index (PSI) and CUR8-65 criteria ure used in patients of community-acquired pneumonia to decide severity of illness and which patients merit in-patient/ICU care. Systolic BP of <90 mm Hg (not < 100 mm Hg) is a pa of the CURB65 criteria. | 13,924 | medmcqa_train |
In Huntington chorea the causative mutation in the protein huntingtin is a: | Huntington disease (HD) Mutation in the HTT gene which codes for protein called huntingtin which is impoant to neurons. The HTT mutation involves a DNA segment known as a CAG trinucleotide repeat. Made up of a series of three DNA building blocks (cytosine, adenine, and guanine) that appear multiple times in a row leadi... | 13,925 | medmcqa_train |
All are indications for splenectomy, except: | Chediak-Higashi syndrome is a condition that affects many pas of the body, paicularly the immune system. Chediak-Higashi syndrome is also characterized by a condition called oculocutaneous albinism, which causes abnormally light coloring (pigmentation) of the skin, hair, and eyes.spleenectomy is not done in this condit... | 13,926 | medmcqa_train |
Person had a fight with a neighour where he assaulted him, he can be booked under | Assault: An offer of threat or attempt to apply force to the body of another in a hostile manner (Sec. 351 IPC).1 It does not matter whether it injures him physically or not. Shaking of head or showing of a fist at a person in a hostile manner will constitute an assault. Ref - Krishan Vij textbook of forensic medicine ... | 13,927 | medmcqa_train |
Renshaw cells are inhibitory interneurons found in? | ANSWER: (C) Gray matter of the spinal cordREF: Neurobiology: molecules, cells, and systems By Gary G. Matthew, Page 176-177 "Renshaw cells of grey matter of spinal cord produces self-inhibition of motor neurons.The axons of motor neurons send branches that make excitatory synaptic connection onto Renshaw cells. The Ren... | 13,928 | medmcqa_train |
Flocculonodular lobe has direct connections with | Flocculonodular lobe has direct connections with vestibular nuclei and it is concerned with balance, equilibrium and eyeball movements Ref: Ganong 25th ed/page 248 | 13,929 | medmcqa_train |
All are true about diabetic ketoacidosis except? | In diabetic ketoacidosis, the elevated blood sugar due to osmotic diuresis leads to polyuria. The stimulation of osmo-receptors will lead to increased thirst. DKA can lead to early presentation of type 1 DM but more frequently occurs in patients with pre-existing diabetes. Serum ketones are present in DKA and detectabl... | 13,930 | medmcqa_train |
Gall stone can be which type of stone? | Cholesterol stones (cholesterol solitaire-radiating crystal line appearance) are formed when bile's supersaturated with cholesterol or bile acid concentrations are low.80% of gallstones are cholesterol/mixed stones in USA & Europe,whereas in Asia 80% are pigment stones.Cholesterol/mixed stones contain 51-99% pure chole... | 13,931 | medmcqa_train |
Cervical carcinoma is due to HPV - | Ans. is 'b' i.e., 16, 18 o HPV type 6 & 11 are known to be associated with warts.o HPV type 16, 18, 31 & 33 are associated with cervical carcinoma & CIN. Out of wrhich 16 & 18 are most oncogenic. | 13,932 | medmcqa_train |
Which of the following determines the speed of recovery from IV anesthetic? | Ans. c. Redistribution of the drug from sites in the CNSAn IV anesthetic completely bypasses the process of absorption, because the drug is placed directly into the bloodstream. Highly perfused organs (vessel rich) including the brain take up disproportionately large amount of drug compared to less perfused areas (the ... | 13,933 | medmcqa_train |
Most during surgery best measurement of oxygen saturation in anaesthesia is | (Pulse Oximetry): Ref: (1503, 1585 -H) (291,883-B &L 25th) (1590-H 17th)PULSE OXIMETRY: - Most commonly utilized noninvasive monitor of respiratory function. The technique takes advantage of differences in the absorptive properties of oxygenated and deoxygenated hemoglobin (1583-H)* Pulse oximeter calculates oxygen sat... | 13,934 | medmcqa_train |
Increase in P50 results in change in oxygenation curve, which is due to decrease in | Hb-O2 dissociation curve shift to left indicates more affinity of Hb to O2 and thus less delivery of O2 to tissues.
Hb-O2 dissociation curve shift to right indicates less affinity of Hb to O2, and thus more delivery of O2 to tissues.
When P50 increases, the affinity of Hb to O2 decreases, or there is a shift of the c... | 13,935 | medmcqa_train |
Cause of death in breech delivery : | Ans. is a, b and c i.e. Intracranial hemorrhage; Atlanto axial dislocation; and Asphyxia The risk of fetal moality and morbidity are greatly increased in the vaginal breech delivery Fetal moality is least in frank breech and maximum in footling presentation (as the chances of cord prolapse are more). Gynaecoid and anth... | 13,936 | medmcqa_train |
Platelets are stored at | Platelets are stored at 20 – 24 degree Celsius with agitation. They can only be stored for 5 days.
Whole blood and packed red cells are stored at 2 – 6 degree Celsius for 35 days.
The anticoagulants which are used for their storage are either CPD (Citrate, Phosphate, Dextrose) or CPDA (Citrate, Phosphate, Dextrose, Ade... | 13,937 | medmcqa_train |
A 60 year old male was diagnosed as carcinoma right lung. On CECT chest there was tumour of 5 x 5 cm in upper lobe and another 2 x 2 cm size tumour nodule in middle lobe. The primary modality of treatment is | Refer above table Treatment of operable NSCCL Stage IA, IB, IIA, IIB : Surgical resection Adjuvant chemotherapy is given in stage II Stage IIIA with minimal N2 involvement : Neoadjuvant chemotherapy followed by surgical resection with complete Mediastinal LN dissection Postoperative radiotherapy for patients found to h... | 13,938 | medmcqa_train |
Select the inappropriate statement about Chlorination of water | Chlorine best act at as a a disinfectant when the pH of water is7 because of predominance of Hypochlorous acid. 2.5mg bleaching powder can disinfect 1000 L of water. Chlorine has no effect on spores, cyst, ova, Hep. A, Polio virus, cyclopes. Remaining all options given are true. | 13,939 | medmcqa_train |
Best method to diagnose HIV in an infant? | c. PCR(Ref: Update on antiretroviral regimens for treating and preventing HIV infection and update on early infant diagnosis of HIV July 2018 policy brief HIV treatment-interim guidance)WHO recommends that HIV virological testing (HIV DNA or RNA PCR or HIV culture) be used to diagnose HIV infection among infants and ch... | 13,940 | medmcqa_train |
Acantholytic cells are seen in | Ans. (a) Pemphigus vulgarisHarrison 19th ed. / 370* The rounded keratinocytes with hyperchromatic nuclei and perinuclear halo (due to condensing of cytoplasm in periphery) are called acantholytic cells.* It is seen in case of pemphigus vulgaris* Acantholytic cells can be demonstrated in bed side Tzanck test. | 13,941 | medmcqa_train |
A 50-year-old woman is discovered to have metastatic breast cancer. One week after receiving her first dose of chemotherapy, she develops bacterial pneumonia. Which of the following best explains this patient's susceptibility to bacterial infection? | The impoance of protection afforded by acute inflammatory cells is emphasized by the frequency and severity of infections in persons with defective phagocytic cells. The most common defect is iatrogenic neutropenia secondary to cancer chemotherapy. Chemotherapy would not be expected to deplete serum levels of complemen... | 13,942 | medmcqa_train |
What are the characteristics of the primary (initial) bacterial colonizers of the tooth in dental plaque formation? | Streptococcal and Actinomyces species are initial colonizers of dental plaque. They are grampositive, facultative micro-organisms. | 13,943 | medmcqa_train |
Which of the following statement is TRUE about spinocerebellar tract? | The spinocerebellar pathway is organised into the ventral and dorsal tracts. Both these tracts transmits proprioceptive and exteroceptive impulses from the body. They occupy the periphery of the lateral aspect of the spinal white matter and carry proprioceptive and cutaneous information to the cerebellum for the coordi... | 13,944 | medmcqa_train |
Trichophagia is characterized by - | Ans is 'b' i.e. Compulsive eating of hair o Trichophagia is compulsive eating of hair and is usually associated with trichotillomania i.e. compulsive pulling of hair.o Compulsive shopping is called Oniomania.o Compulsive stealing is called Kleptomania.Also knowo Pyromania i.e. pathological fire setting | 13,945 | medmcqa_train |
IUCD is absolutely contraindicated in all the following except | Absolute contraindications for IUD use include the following: Pregnancy. Significantly distoed uterine anatomy. Unexplained vaginal bleeding concerning for pregnancy or pelvic malignancy. Gestational trophoblastic disease with persistently elevated beta-human chorionic gonadotropin levels. Ongoing pelvic infection | 13,946 | medmcqa_train |
ST elevation is seen in all of the following conditions except | Ischemia/myocardial infarction Noninfarction, transmural ischemia (Prinzmetal's angina, and probably Tako-tsubo syndrome, which may also exactly simulate classical acute infarction) Acute myocardial infarction Postmyocardial infarction (ventricular aneurysm pattern) Acute pericarditis Normal variants (including benign ... | 13,947 | medmcqa_train |
Repetitive transcranial magnetic stimulation (rTMS) which is approved by USFDA for the treatment of: | D i.e. Depressive disorder: - Repetitive transcranial magnetic stimulation (rTMS) is USFDA approved for treatment of resistant depressionQ and has been shown to have efficacy. Vagus nerve stimulation (VNS) has also recently been approved for treatment of resistant depressionQ, but its degree of efficacy is controversia... | 13,948 | medmcqa_train |
MMR is expressed in : | Maternal moality ratio is the number of maternal deaths per 1,00,000 live bihs. This is a ratio and not a rate because the numerator may include cases which are not included in the denominator. This ratio reflects the level of obstetric risk associated with pregnancy TEXTBOOK OF OBSTETRICS.,SHEILA BALAKRISHNAN,pg no:59... | 13,949 | medmcqa_train |
Not true about experimental study - | Ans. is 'b' i.e., Unethical to use in animal Experimental epidemiology (Epidemiological Experiments) Experimental epidemiology is also called trial. Broadly speaking, a trial refers to putting something to a test. This allows the term to be used in reference to a test of a treatment for the sick or a test of a preventi... | 13,950 | medmcqa_train |
Appearance of Breast bud is known as: March 2013 | Ans. B i.e. Thelarche Thelarche is the onset of secondary (postnatal) breast development, usually occurring at the beginning of pubey in girls. | 13,951 | medmcqa_train |
A patient presents in emergency in shock, with a history off fleshy mass protruding from vagina with heavy bleeding PV. She had history of delivery at home 1 hour back by a health worker with a history of difficulty in placental removal and 'Uterine handling'. Most probable diagnosis is? | Uterine inversion presents after excessive traction on cord for pulling out the placenta, which leads to paial or complete inversion of uterus. It is usually associated with PPH and may result in shock (hemorrhagic and neurogenic. However more common cause of moality is hemorrhagic) if treatment is delayed. | 13,952 | medmcqa_train |
A 60 kg man has haematocrit of 40%. His plasma volume would be approximately: | Plasma volume = Total blood volume * (1 - Hematocrit) The total blood volume is about 8% of body weight Blood volume of 60 kg man = 0.08 * 60 = 4.8 L Plasma volume = total blood volume * (1-hematocrit) = 4.8 * (1-0.40) = 4.8 * 0.60 = 2.88 L Also, about 60% of the blood is plasma and 40% is RBCs Thus, plasma = 5% of bod... | 13,953 | medmcqa_train |
A 17-year-old patient is referred by his GP after presenting with periorbital oedema. The patient noticed the oedematous eyes 3 days ago, but repos feeling unwell since a throat infection 3 weeks ago with nausea and vomiting in the last week. A urine dipstick is positive for protein and blood while serum creatinine and... | C. (post strep. GN). This patient is suffering from post-streptococcal glomerulonephritis (C), which forms pa of the nephritic syndrome consisting of haematuria (micro- or macroscopic), hypeension, proteinuria and oedema. In severe cases, oliguria and uraemia can also occur. Patients usually suffer form a streptococcal... | 13,954 | medmcqa_train |
A 45 year old male presents to OPD with acute abdominal pain. On examination it seems to have spread to retroperitoneal structure. Which of the following is most likely to get affected | The descending colon is a retroperitoneal organ. The rest of the organs are surrounded by peritoneum. Other retroperitoneal organs are: - Pancreas, Duodenum, Ascending colon, Descending colon, Middle third of the rectum | 13,955 | medmcqa_train |
If biochemical test gives the same reading of early sample on reputed testing, it is inferred that the measurement is- | . biochemical test gives the same reading of early sample on reputed testing, it is inferred that the measurement is-precise. ref:park&;s textbook ,22 nd edition,pg no 22 | 13,956 | medmcqa_train |
Which of the following has highest electrophoretic mobility and least lipid content: | B i.e. HDL | 13,957 | medmcqa_train |
Which of the following NSAID does not having antiinflammatory activity? | All NSAIDs, including selective COX-2 inhibitors, are antipyretic, analgesic, and anti-inflammatory, with the exception of acetaminophen, which is antipyretic and analgesic but is largely devoid of anti-inflammatory activity. Ref: Grosser T., Smyth E. (2011). Chapter 34. Anti-inflammatory, Antipyretic, and Analgesic Ag... | 13,958 | medmcqa_train |
Somatostatin is secreted by : | Ans. is A D-cell (Ref Ganong, 20/e, p. 339). Delta cells secrete - somatostatin* Beta cells secrete - insulin* Alpha cells of pancreas - glucagon* | 13,959 | medmcqa_train |
Lancefield classification based on: | Carbohydrate antigen | 13,960 | medmcqa_train |
All of the following are associated with pathogenesis of acute hydrops fetalis except: September 2009 | Ans. C: Hypoplasia of Placental Tissue Several hypotheses regarding the pathophysiologic events that lead to fetal hydrops have been suggested. The basic mechanism for the formation of fetal hydrops is an imbalance of interstitial fluid production and the lymphatic return. The fetus is paicularly susceptible to interst... | 13,961 | medmcqa_train |
To provide anesthesia to a patient in the third stage of labor, an obstetrician palpates the ischial spine transvaginally, then injects a local anesthetic. Injection of anesthetic at this approximate location will most likely block which of the following nerves? | The pudendal nerve is often anesthetized to provide obstetric anesthesia (although epidural blocks are now more commonly used in preparation for delivery). The pudendal nerve arises from sacral segments 2, 3, and 4. It exits the pelvis by way of the greater sciatic foramen and then courses around the ischial spine (and... | 13,962 | medmcqa_train |
Centrally acting antihypeensive drug is ? | Ans. is 'b' i.e., Methyldopa o Centrally acting sympatholytic antihypeensives are clonidine, methyldopa, guanabenz, guanfacine, moxonidine and rilmenidine. | 13,963 | medmcqa_train |
Cyanosis does not occur in severe anemia because | Because reduced Hb is purple, a low aerial O2 saturation causes cyanosis. However, this is not a reliable sign of mild desaturation because its recognition depends on so many variables, such as lighting conditions and skin pigmentation. Because it is the amount of reduced Hb that is impoant, cyanosis is often marked wh... | 13,964 | medmcqa_train |
Daily depressed mood for minimum ________ weeks is must to classify someone as suffering from major depression disease - | Symptoms of depression should be present for at least 2 weeks. | 13,965 | medmcqa_train |
A person on fat free, carbohydrate-rich diet, continues to grow obese. Which lipoprotein is increased in this person's blood: | Carbohydrate-rich diet will lead to increase in Acetyl CoA production, which will lead to synthesis of fats in body. These fats are endogenous fat, which are transpoed in the form of VLDL. ADDITIONAL EDGE: When exogenous fat (fat directly from diet) is taken then it is transpoed in the form of chylomicrons. Atkin's die... | 13,966 | medmcqa_train |
The following is part of Hamstrings - | Ans. (a) SemimembranousRef.: BDC 6th ed. vol. II / 83* Hamstring muscles are - Semimembranosus, semiten- dinosus, long head of biceps femoris and ischial head of adductor magnus. | 13,967 | medmcqa_train |
A 58-year-old man whom you have followed dies suddenly, spurring you into doing some research on sudden death. Which of the following is the most likely cause for this individual? | Sudden death, defined as death within 1 hour of onset of symptoms, is usually caused by cardiac disease in middle-aged and elderly patients, but in younger age groups noncardiac causes predominate. There is a bimodal distribution in the population, with the first peak before 6 months of age (sudden infant death syndrom... | 13,968 | medmcqa_train |
Laparoscopy is the diagnostic procedure of choice for: March 2008 | Ans. D: Endometriosis Indications for gynaecological laparoscopy include the following: Ovarian cysts and tumours. Removal of fibroids (Myomectomy).or destroying them (Myolysis) Infeility, lysis of adhesions. Infeility, checking the condition and patency of the fallopian tubes. Reproductive or tubal surgery Endometrios... | 13,969 | medmcqa_train |
All of the following brace are used in scoliosis except? | Minerva cast is used in cervical spine | 13,970 | medmcqa_train |
Regarding Natural Killer Cell, all are true except? | Natural Killer Cells (or NK cells) are a type of cytotoxic lymphocyte critical to the innate immune system.
NK cells play is analogous to that of cytotoxic T cells in the vertebrate adaptive immune response.
CD 56 and CD 16 positive.
Special action against viruses and tumor cells. | 13,971 | medmcqa_train |
Borders of Gastrinoma triangle are all except: | Ans. (c) Tail of pancreasRef: Sabiston 20th edition Page 952Passaro triangle* 70-90% Gastrinomas are located in this triangle | 13,972 | medmcqa_train |
the most common pathology of acute renal failure ? | Acute renal failure (ARF) - acute kidney injury AK1 is a sudden and usually reversible loss of renal function which develops over days or weeks and is usually accompanied by a reduction in urine volume. - A rasied creatinine level can be due to acute, acute on chronic of chronic kidney disease. Treatment of Acute Renal... | 13,973 | medmcqa_train |
A farmer rearing sheep, presented with complaints of fever and weakness for the last one month. There is generalised lymphadenopathy. There was also associated hepatomegaly. Biopsy of liver showed non caseating granuloma. These are most likely due to infection with: | B. melitensis, which is the most common cause of symptomatic disease in humans and for which the main sources are sheep, goats, and camels. Overall, the presentation of brucellosis often fits one of three patterns: febrile illness that resembles typhoid but is less severe; fever and acute monoahritis, typically of the ... | 13,974 | medmcqa_train |
All of the following statements are true EXCEPT: | Ans. B Cervix is lined by transitional epitheliumRef: Grays, 41sted. pg. 295* The epithelial lining of cervix is varied. Ectocervix is composed of non keratined stratified squamous epithelium and endocervix is composed of simple columnar epithelium.* Blood supply of cervix-descending cervical branch of uterine artery.E... | 13,975 | medmcqa_train |
Which of the following bacteria is known as Ebe Gaffky bacillus | Klebsiella Friedlander's bacilli H.Aegypticus Koch week's bacilli Salmonella typhi Ebe gaffky bacilli Corynebacterium Kleb- Loeffler bacilli | 13,976 | medmcqa_train |
Which of the following condition is associated with meconium ileus? | Meconium ileus is a neonatal manifestation of cystic fibrosis (also known as fibrocystic disease of pancreas). In cystic fibrosis there is pancreatic enzyme deficiency and abnormal chloride secretion in the intestine that results in the production of viscous water- poor meconium. Meconium ileus results because of impac... | 13,977 | medmcqa_train |
A 78 year old male is admitted with chest pain. His ECG shows widespread ST depression in all leads except aVR which shows ST elevation. Whilst in ER, he passes melaena and on fuher questioning, gave history of altered bowel habit, weight loss and dark stools for 2-3 months. O/E he is pale, pulse rate is 115 bpm and BP... | Dx is NSTEMI : Type 2 MI (due to Anemia) Option A : No, as he is already having GI bleeding, so antiplatelet therapy is not given. Option B : Yes, packed RBC transfusion is useful for anemia component to | oxyhemoglobin. Option C : Nitrates are C/I if Systolic B.P <80 mm Hg Option D : He's already having hypotension & ... | 13,978 | medmcqa_train |
Jumping genes are also known as | Transposons are called as Jumping genes as they can jump from one chromosome locus to another. | 13,979 | medmcqa_train |
Danbury tremors seen in which chronic poisoning | Mercurial tremors The hands are first affected. There will be tremors of the hands called Danbury tremors. It may progress to lips, tongue, arms, and legs. The tremors are moderately coarse and intentional to sta with and are interspersed by jerky movements. The advanced condition is called hatter's shake or glass blow... | 13,980 | medmcqa_train |
Clara cells are found in : | Ans. is 'b' i.e. Bronchioles Different parts of the respiratory tracts have distinctive histological features :Clara cells are found in-bronchioles*Goblet cells are found in-Bronchi*Mucous gland are found in-Bronchi*Neuroendocrine cells-Bronchi*Mural cartilage-Bronchi*Part rich in secretory immuno globin-Bronchioles*Po... | 13,981 | medmcqa_train |
Break bone fever is cuased by - | Break bone fever is caused by the dengue virus. REF:<\p>ANATHANARAYANAN MICROBIOLOGY NINTH EDITION PAGE.523 | 13,982 | medmcqa_train |
Non Palpable purpura is seen in A/E | A i.e. H. S. Purpura | 13,983 | medmcqa_train |
Composition of Sodalime is: NaOH Ca(OH)2 KOH | 15% 84% 1% | 13,984 | medmcqa_train |
The initial response to iron therapy in a child suffering from iron-deficiency anemia is | Response to iron therapy can be documented by an increase in reticulocytes 5-10 days after the initiation of iron therapy. The hemoglobin concentration increases by about 1 g/dL weekly until normal values are restored Replacement of intracellular iron enzymes Ref essential paediatrics op ghai 9e | 13,985 | medmcqa_train |
Which of the following drug can lead to given below condition | Amiodarone can lead to bluish discolouration of skin, also called as "Blue man syndrome". | 13,986 | medmcqa_train |
Which drug is suitable for epilepsy related to a brain tumor? | In epilepsy caused by brain tumor, agent of choice is those drugs that do not induce hepatic microsomal enzyme system. Drugs such as : Levetiracetam Topiramate Lamotrigine Valproic acid Lacosamide. | 13,987 | medmcqa_train |
Butterfly rash is seen in | (A) Systemic lupus erythematosus # SLE:> Characteristic Malar (Butterfly) rash seen as fixed erythematous rash over the cheeks, & bridge of nose (photosensitive but scarring is absent) Patchy scalp hair loss is seen & Hair usually regrow in SLE (but not in DLE) Raynaud's phenomenon is present in 10%; Antibodies against... | 13,988 | medmcqa_train |
Juxtaglomerular apparatus lies in relation to the following structure and have secretory function: | At the point where the afferent aeriole enters the glomerulus and the efferent aeriole leaves it, the tubule of the nephron touches the aerioles of the glomerulus from which it arose. At this location, which marks the sta of the distal convolution, there is a modified region of tubular epithelium called the macula dens... | 13,989 | medmcqa_train |
Kerion is: March 2009 | Ans. B: Fungal Infection Kerion is severe form of tinea capitis, in which well-circumscribed pas of the scalp are transformed into a painful, boggy, inflamed, confluent mass with loosened hair (easy pluckability), purulent folliculitis, crusting, often with lymphadenopathy It is commonly due to a zoophilic dermatophyte... | 13,990 | medmcqa_train |
Burning sensation in middle finger Triceps Reflex is weak Slip disc? | HERNIATED DISC B/W COMPRESSED NERVE ROOT DERMATOME AFFECTED MUSCLES AFFECTED MOVEMENT WEAKNESS NERVE AND REFLEX INVOLVED C6 and C7 C7 C7 middle finger Triceps wrist extensors extension of forearm extension of wrist radial nerve | triceps jerk | 13,991 | medmcqa_train |
A 70-year-old patient with long-standing type 2 diabetes mellitus presents with complaints of pain in the left, ear with purulent drainage. On physical examination, the patient is afebrile. The pinna of the left ear is tender, and the external auditory canal is swollen and edematous. The white blood cell count is norma... | Ear pain and drainage in an elderly diabetic patient must raise concern about malignant external otitis. The swelling and inflammation of the external auditory meatus strongly suggest this diagnosis. This infection usually occurs in older, poorly controlled diabetics and is almost always caused by P aeruginosa. It can ... | 13,992 | medmcqa_train |
The relation between current, electromotive forces and resistance in a circuit by Ohm's law is stated as | Ohm’s law
For electric current flow
i = E/R
For blood flow
Q= ΔP/R | 13,993 | medmcqa_train |
Commonest site of intro peritoneal abscess is | Pelvic abscess in the most common site of intra peritoneal abscess. | 13,994 | medmcqa_train |
Autotrophic requirements are | Nutrients in growth media must contain all the elements necessary for the biosynthesis of pathogenic microorganisms. This rule is especially true of media that are intended to have a selective (select for a specific group of bacteria) or differential (differentiate between a pathogenic and a normal or usual strain of a... | 13,995 | medmcqa_train |
Down regulation of hormone means ? | Ans. is 'b' i.e., Decreased affinity to receptors Down regulation is a mechanism in which a hormone decrease the number or affinity of its receptors in target tissues. Down-regulation may occur by decreasing the synthesis of new receptors, by increasing the degradation of existing receptors or by inactivating receptors... | 13,996 | medmcqa_train |
Blood-testis barrier is formed by | The name "blood-testis barrier" is misleading in that it is not a blood-organ barrier in a strict sense, but is formed between Seoli cells of the seminiferous tubule and as such isolates the fuher developed stages of germ cells from the blood. imageref-sciencedirect.com | 13,997 | medmcqa_train |
Foam cells are formed by? | Ans. is 'c' i.e., Macrophages * Foam cells are lipid-laden cells that derive predominantly from macrophages (M2 type), but smooth muscle cells can also imbibe lipid to become foam cells.* They are seen in atherosclerosis. | 13,998 | medmcqa_train |
Least common complication of lead poisoning in adults - | Among the given options, peripheral neuropathy is least common, and occurs in less than 10% of cases. | 13,999 | medmcqa_train |
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