query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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A 27-year-old man presents with chest pain and feeling unwell. He describes cough with blood-tinged sputum, chills, and fever of 2 days' duration. Physical findings reveal dullness and moist rales in the left lower chest. His CXR is shown in Figure given below. Which of the following is the most likely diagnosis? | The diagnosis is pneumonia. There is consolidation of the left lower lobe. The increased density, presence of air bronchogram, and the silhouetting of the left diaphragm point to a parenchymal lesion. Pneumococcal infection, as in this patient, is still the most common etiology, although other bacterial infections such... | 150,200 | medmcqa_train |
In malignant hyperthermia the increased heat production is due to : | Ans. is 'a' i.e. increased muscle metabolism by excess of calcium ionsRef Harrison 16th/e p 105 (15th/e page 92)Malignant hyperthermiais caused by inherited abnormality in sarcoplasmic reticulum of skeletal muscleDue to this there is rapid increase in intracellular calcium levels in response to certain drugs.This leads... | 150,201 | medmcqa_train |
In exocrine pancreatic, cancer, the commonest tumor marker to be elevated in | .Investigations for exocrine pancreatic tumors includes * Liver function tests: Serum bilirubin, direct component (conjugated) is increased (van den Bergh's test). Serum albumin is decreased with altered A : G ratio. Prothrombin time is widened. Serum alkaline phosphatase is increased * U/S abdomen to see gall bladder,... | 150,202 | medmcqa_train |
Most common complication of cardiac catheterization? | the most common complication of cardiac catherisation is vascular bleeding or hematoma formation Risks of cardiac catheterization are: Bruising. Bleeding.(vascular bleeding) Hea attack. Stroke. Damage to the aery, hea or the area where the catheter was inseed. Irregular hea rhythms (arrhythmias) Allergic reactions to t... | 150,203 | medmcqa_train |
In a healthy subject, when is the PO2 of the blood leaving a pulmonary capillary lower than the PO2 in the alveolus served by that capillary? | Blood spends about 0.75 sec in a pulmonary capillary; and under normal conditions, all of the gas exchange in the vessel occurs early. Because equilibrium is reached so rapidly (less than 0.25 sec for both O2 and CO2), blood at the end of a pulmonary capillary has the same P02 and PCO2 as alveolar gas, and gas exchang... | 150,204 | medmcqa_train |
Mid-diastolic Murmur with presystolic accentuation is typically seen in | An opening snap, mid-diastolic rumbling murmur, presystolic accentuation and loud first hea sound are all characteristic of mitral stenosis.The mid-diastolic rumble (murmur) stas with the opening snap and may extend to the S1 with presystolic accentuation.Ref: Harrison's 18/e. p1930, 1931. | 150,205 | medmcqa_train |
Mucous glands are absent in | INDERBIR SINGH&;S TEXTBOOK OF HUMAN HISTOLOGY-PAGE NO:359 Vagina Mucous membrane The epithelium rests on dense connective tissue that is highly vascular,many veins being present .the tissue is rich in elastic fibres.no glands are seen in the mucosa,the vaginal surface being kept moist by the secretions if glands in the... | 150,206 | medmcqa_train |
Blood transfusion is indicated in following condition with sickle cell anemia | Indications of Blood transfusion in Sickle Cell Anemia Frequent sickling episodes Twin pregnancy Poor obstetrical outcome Severe anemia Blood transfusion replaces the abnormal cells with normal red cells The objective of transfusion is to keep the hematocrit value above 25% and concentration of Hb-S under 50% Prophylac... | 150,207 | medmcqa_train |
Shentons line is seen in X ray of - | Ans. is 'a' i.e, Antero-posterior pelvis with both hips Plain X - ray for hip pathology:* The minimum required is an anteroposterior x-ray of the pelvis showing both hips and a lateral view of each hip separately.* The two sides can be compared: any difference in the size, shape or position of the femoral heads is impo... | 150,208 | medmcqa_train |
During normal conversation, sound heard at 1meter distance is | At a distance of 1 m, intensity of Whisper = 30 dB Normal conversation = 60 dB Shout = 90 dB Discomfo of the ear = 120 dB Pain in the ear = 130 dB Ref: Dhingra 7e pg 21. | 150,209 | medmcqa_train |
The etiology of anterior ethmoidal neuralgia is: | Sluder's neuralgia or the anterior ethmoidal syndrome is pain around the bridge of the nose radiating into the forehead. It is said to originate from the middle turbinate (pa of ethmoid bone) pressing on the deted septum. This is a rare cause of headache and also k/a contact point headache. | 150,210 | medmcqa_train |
Most suggestive of anti moem hanging ? | Most suggestive of antemoem hanging is Salivary dribbling . There is no specific gold standard to distinguish between antemoem and postmoem hanging.However presence of : Veical salivary dribble mark from the dependant angle of mouth. The phenomenon of Le Facies sympathique. Hyperemia and echymosis of margins of ligatur... | 150,211 | medmcqa_train |
All of the following are radio-opaque stones except: September 2009 | Ans. C: Uric acid | 150,212 | medmcqa_train |
In CA stomach, T4 lesion means | T1a Tumour involves lamina propria T1b Tumour involvessubmucosaT2 Tumour invades muscularis propriaT3 Tumour involves subserosa T4a Tumour perforates serosaT4b Tumour invades adjacent organsBailey and love 27e pg: 1135 | 150,213 | medmcqa_train |
A young patient presents to the ophthalmology clinic with loss of central vision. ERG is normal but EOG is abnormal. Which of the following is the most likely diagnosis - | Normal ERG with an abnormal EOG is charachteristic of best's vittelliform dystrophy. | 150,214 | medmcqa_train |
preservative used for this suture material? | Catgut suture are available in the form of plain catgut or chromic catgut preservative used is ISOPROPYL ALCOHOL life span for plain catgut is 10-14 days chromic catgut is -40-60days Plain catgut is usually having shoer absorption periods and is absorbed more rapidly in infected areas. The percentage of collagen in the... | 150,215 | medmcqa_train |
Following are TVS findings of Adenomyosis except | Adenomyosis is characterised by myometrial cyst, which is most specific sign. | 150,216 | medmcqa_train |
Preganglionic Parasympathetic fibres are not carried by which cranial nerve - | Ans. is 'b' i.e., V o Parasympathetic origin ---> Cranio-Sacral (III, VII, IX, X, S2-S4) o Sympathetic origin --> Dorso-lumbar (T1 to L2 or L3) | 150,217 | medmcqa_train |
A previously healthy 30-year-old man has been unable to open his right eye.Which of the following cranial nerves is most likely to be affected? | Opening of the eye is related to Levator Palpebrae Superioris - IIIrd nerve affected so L.P.S will not be able to function Leading to PTOSIS | 150,218 | medmcqa_train |
Best tumor marker for pancreatic cancer? | Ans. B. CA 19-9. (Ref. H - 17th / pg. 483)Best tumor marker for pancreatic cancer is CA 19-9.CA 19-9 as a Marker for Pancreatic Cancer# CA 19-9 is not recommended for use as a screening test for pancreatic cancer. The use of CA19-9 testing alone is not recommended for use in determining operability or the results of op... | 150,219 | medmcqa_train |
A 76-year-old woman presents to the office for evaluation of symptoms of weight loss, anxiety, and palpitations. The symptoms started 1 month ago, and are involuntary. She has no prior history of anxiety or palpitations and her only medical history is hypertension for which she is taking losartan.On examination, the bl... | Atrial fibrillation is particularly common in older individuals with hyperthyroidism. Thyroid disease may affect the heart muscle directly or there may be excessive sympathetic stimulation. Common symptoms of thyrotoxic heart disease include palpitations, exertional dyspnea, and worsening angina. Pericardial effusion, ... | 150,220 | medmcqa_train |
Anatomic characteristics of the spleen include? | The aerial supply to the spleen is derived from the splenic aery, which arises within the hepatic aery as the terminal branches of the celiac trunk. The spleen is located with in the dorsal mesentery of the stomach protruding in pa into the omental bursa. The blood vessels enter the spleen in the splenic pedicle, the m... | 150,221 | medmcqa_train |
Which of the following amino acid is both polar and ionic? | 4 Classification of amino acids Polarity & Solubility Hydrophobic amino acid Tryptophan , Tyrosine , Methionine , Leucine , Valine , Isoleucine , Alanine , Phenylalanine , Proline , Glycine Hydrophilic amino acid Neutral amino acid Threonine , Serine , Tyrosine , Cysteine , Asparagine , Glutamine Acidic amino acid Aspa... | 150,222 | medmcqa_train |
A 26-year-old female presents for ante natal visit. She has a history of aboion in last pregnancy due to neural tube defect in the fetus. What is the amount of folic acid that should be prescribed to this female? | *All women of childbearing age and who are capable of becoming pregnant should take 0.4mg (=400mcg) of folic acid daily. *If pregnancy is planned in high-risk women(previously affected child), supplementation should be staed with 4mg (=4000microgram) of folic acid daily, beginning 1 month before the time of the planned... | 150,223 | medmcqa_train |
The serine proteases are all except | They are enzymes with a serine residue at the active site and most of the proteolytic enzymes belong to this group, e.g. trypsin, chymotrypsin, clotting factors. Ref: DM Vasudevan, page no: 44 | 150,224 | medmcqa_train |
All are true about the Sympathetic vasodilator system except | There is no tonic activity in the vasodilator fibers(sympathetic), but the vasoconstrictor fibers to most vascular beds have some tonic activity Sympathetic noradrenergic fibers end on blood vessels in all pas of the body to mediate vasoconstriction- So sympathectomy cause vasodilation Resistance vessels in skeletal mu... | 150,225 | medmcqa_train |
Exploratory laparoscopy was performed on a 34-year-old male, following a successful emergency appendectomy. Which of the following anatomic relationships would be seen clearly, without dissection, when the surgeon exposes the beginning of the jejunum? | The second part of the duodenum is crossed anteriorly by the transverse mesocolon, a relationship that can be seen when the beginning of the jejunum is exposed by lifting the transverse colon superiorly. The posterior relationships of the second part of the duodenum and the portal vein cannot be seen without some disse... | 150,226 | medmcqa_train |
Enterocele formation is a common complication of | BURCH COLPOSUSPENSION COMPLICATIONS Hemorrhage during dissection of the space Urethra and bladder neck injury due to injudicious placement of sutures Osteitis pubis voiding difficulty detrusor instability Enterocele formation Failure and recurrence D.C.DUTTA&;S TEXTBOOK OF GYNAECOLOGY,Pg no:404,6th edition | 150,227 | medmcqa_train |
The most constant early symptom of uterine rupture during labour is : | Pain | 150,228 | medmcqa_train |
All of the following factor stimulate angiogenesis in a fetus Except: | D i.e. Interferon Alpha (INFa) 'Ocular Angiogenesis' by Tombran - Tink and Barnstable (2006)/297; Lasers in Ophthalmology (2003)/ 2251 Interferon alpha is an anti- angiogenic' agent that suppresses angiogenesis. 'Interferon alpha is an anti- angiogenic agent. Interferon alpha 2a causes dramatic involution of hemangioma... | 150,229 | medmcqa_train |
In a patient with renal cell carcinoma with a thrombus in IVC renal vein, which is the best investigation for diagnosis? | Investigation of choice in RCC-CT scan. REF : DAVID SUTTON 7th ed | 150,230 | medmcqa_train |
What is implied, if a drug has more renal clearance than the GFR | If clearance of a substance is greater than GFR, then tubular secretion must be present. | 150,231 | medmcqa_train |
QT prolongation is seen in all, except: | Answer is B (Digitalis toxity) QT interval is shoened in digitalis toxity and not prolonged QT interval Is measured from the beginning of Q wave to the end of T wave Q It is the time taken for total ventricular events i.e. depolarization as well as repolarization 2 Normal QT interval should not exceed 42 seconds | 150,232 | medmcqa_train |
The surface marking of the arch of aorta is as follows - | Arch of Aorta surface marking
Right end of sternal angle
Centre of manubrium sterni
Sternal end of left second costal cartilage
These points when connected lies behind the lower half of manubrium sterni. | 150,233 | medmcqa_train |
Malaria protection comes from all Except | The geographic distributions of sickle cell disease, hemoglobins C and E, hereditary ovalocytosis, the thalassemias, and glucose-6-phosphate dehydrogenase (G6PD) deficiency closely resemble that of falciparum malaria before the introduction of control measures.This similarity suggests that these genetic disorders confe... | 150,234 | medmcqa_train |
Which enzyme Deficiency leads to serious side effects with 5FU | Ans. b. Dihydropyrimidine dehydrogenaseRef: Goodman Gilman 13th E/P 11825FU is metabolized by Dihydropyrimidine dehydrogenase in liver and other tissues including tumor cells.Deficiency of this enzyme in patients can lead to a decreased metabolism and increased toxicity of 5FU like severe diarrhea and shock leading to ... | 150,235 | medmcqa_train |
TRH stimulation testing is useful in diagnosis of disorders of following hormones? | Thyrotropin releasing hormone stimulates the release of TSH, GH and prolactin. Patients with acromegaly shows a rise in serum growth hormone levels following an injection of TRH. TRH stimulation test is also used to monitor the therapeutic response of patients with acromegaly to trans sphenoidal surgery, pituitary radi... | 150,236 | medmcqa_train |
Effect of environment on genes is called? | Ans. is 'c' i.e., Euthenics Eugenics Science which aims to improve the genetic endoment of human population. o That is improving the quality of the human species or a human population by genetic manipulation. o Eugenis may be : 1. Negative Discouraging reproduction by persons having genetic defect or presumed to have i... | 150,237 | medmcqa_train |
Screening age for trachoma is: | Ans. b. 1-9 years (Ref: Trachoma Surveillance Annual Report 2008; Park 23/e p308)Screening age for trachoma is 1-9 years.School children are screened and mass treatment with azithromycin is given in areas found to have active trachoma (TF >10% in children aged 1-9 years).Trachoma control includes all the components of ... | 150,238 | medmcqa_train |
Inventory of material means which one of the following - | Inventory management is a discipline primarily about specifying the shape and placement of stocked goods. It is required at different locations within a facility or within many locations of a supply network to precede the regular and planned course of production and stock of materials. The concept of inventory, stock o... | 150,239 | medmcqa_train |
All are the histological features of Pulmonary hypeension - | Ans. is 'c' i.e., Thrombi in pulmonary vasculature Pulmonary Hypeension o In pulmonary hypeension pathological changes are seen from main pulmonary aeries to aerioles. They are : (a) Aerioles and small pulmonary aeries : (i) Medial hyperophy (ii) Thickening and reduplication of elastic lamina. (iii) Plexiform pulmonary... | 150,240 | medmcqa_train |
First secondary ossification center appears in | Ans. is 'a' i.e., Lower end of femur Site given in question Secondary ossification center appears at Lower end of femur 9th month intrauterine life Upper end of tibia At bih Upper end humerus 1/2 -1 year of age Lower end of fibula 1 year of age | 150,241 | medmcqa_train |
DNA covering material in a virus is called as? | Ans. is 'b' i.e., Capsid Structure of virus . The extracellular infectious virus paicle is called as the virion. . The virion consist of a nucleic acid surrounded by a protein coat, the capsid. . The capsid with the enclosed nucleic acid is known as the nucleocapsid. . Two kinds of symmetry are encountered in the capsi... | 150,242 | medmcqa_train |
Tide water mark dermatitis is seen:- | Tide water mark dermatitis is a band shaped papular eruptions on the thighs and abdomen at the diaper edges, characteristically sparing the skin folds Variant of contact dermatitis. | 150,243 | medmcqa_train |
All the following can be used to predict severe acute pancreatitis except NOT RELATED MEDICINE | . | 150,244 | medmcqa_train |
All of the following procedures are recommended in dark
room processing except: | One of the most important requirements is that the darkroom be lightproof. If it is not, stray light can cause film fogging and loss of contrast. To make the darkroom lightproof, a light-tight door or doorless maze (if space permits) is used.
SAFELIGHTING
The processing room should have both white illumination and safe... | 150,245 | medmcqa_train |
In tumor lysis syndrome all of the following are seen except - | Tumor lysis syndrome
Caused by destruction of large number of rapidly proliferating neoplastic cells. It frequently leads to ARF
It is characterized by
Hypocalcemia
Hyperkalemia
Lactic acidosis
Hyperuricemia
Hyperphosphatemia
Most frequently associated with treatment of
Burkitt lymp... | 150,246 | medmcqa_train |
There is an increased risk of what in pregnant women with thyroid peroxidase antibodies | In women with TPO antibodies, there is high risk for placental abruption. | 150,247 | medmcqa_train |
About Retinitis pigmentosa all are true EXCEPT: | ANSWER: (C) Early loss of central visionREF: khurana 4th ed p. 260-262Retinitis pigmentosaNight blindness is earliest featureDefective dark adaptationPartial or ring scotomaTubular visionLoss of central vision by age of 50-60 yearsFundus changesRetinal pigmentary changes typically perivascular and resemble bone corpusc... | 150,248 | medmcqa_train |
True about metastatic calcification is | Ref, Robbins 8/e p38;7/e p41-42,9/e p65 | 150,249 | medmcqa_train |
Most common surgical cause of obstructive jaundice | Clinical features suspicious of biliary obstruction due to CBD stones include biliary colic, jaundice, clay coloured stools and darkening of urine It is treated by ERCP, laparoscopic or open exploration CBD stones are seen in 6-12% of patients with GB stones Incidence becomes high and surgery is the treatment of choice... | 150,250 | medmcqa_train |
Which of the following is given to treat thrombocytopenia secondary to anti-cancer therapy and is known to stimulate progenitor megakaryocytes | Ans. is 'b' i.e., Oprelvekin | 150,251 | medmcqa_train |
Concurrent flexion of both wrists in response to electrical stimulation is characteristic of which area of the nervous system? | The supplementary motor area tends to produce bilateral motor responses when stimulated. The other areas would tend to produce unilateral responses. | 150,252 | medmcqa_train |
According to the treatment plan plaque control, root planning under: | Phase 1 is also known as Etiotropic phase which includes plaque control, diet control, scaling, root planning and temporary restorations. | 150,253 | medmcqa_train |
A new born with respiratory distress with RR 86/min, nasal flaring, audible grunting, abdomen lagged behind chest respiratory movement, no lower chest or xiphoid retraction. What is silverman&;s score | Silverman Anderson Score (SAS) are widely used for the categorization of respiratory distress in neonates. It consists of five items: (1) chest retraction as compared with abdominal retraction during inhalation; (2) retraction of the lower intercostal muscles; (3) xiphoid retraction; (4) flaring of the nares with inhal... | 150,254 | medmcqa_train |
Dense zone of calcification at growing metaphysis seen in scurvy is ___: | Ans. C. Frankel's line* Scurvy is due to the deposition of defective collagen in the bone.* Radiological features of scurvy:- Zone of provisional calcification at the growing metaphysis is dense, giving a white line called as Frankel's line,- Sclerotic rim around the epiphysis known as Wimberger's ring sign.- Area of l... | 150,255 | medmcqa_train |
Disecting hematoma is a clinical complication occurring in | Marfan Syndrome Marfan syndrome is a disorder of connective tissues, manifested principally by changes in the skeleton, eyes, and cardiovascular system. Its prevalence is estimated to be 1 in 5000. Approximately 70% to 85% of cases are familial and transmitted by autosomal dominant inheritance. The remainder are sporad... | 150,256 | medmcqa_train |
Colonic pseudo-obstruction occurs in all, except: | Ans. (d) HyperthyroidismCauses of secondary pseudo-obstruction of colon: (Secondary pseudo-obstruction of colon is most common)* Neurological medications* Opiates* Myxedema (Hypothyroidism)* Hyper parathyroidism* Uremia* SLE* Scleroderma* Diabetes mellitus* Retroperitoneal hematoma* Parkinson's disease* Metabolic disea... | 150,257 | medmcqa_train |
The commonest presenting complaint In a gynaecology depament is : | Leucorrhoea | 150,258 | medmcqa_train |
The management technique which is more promising tool for application in health field is:- | Cost Effective Analysis - This is a more promising tool for application in health field than cost benefit analysis It is similar to cost benefit analysis except that benefit ,instead of being expressed in Monetary terms is expressed in terms of Results achieved eg - No. of lives saved or No. of days free from disease | 150,259 | medmcqa_train |
Increased risk of coronary hea disease is seen in? | Ans. is 'b' i.e., Type II hyperlipidemia FRADERICKSON CLASSIFICATION OF HYPERLIPIDEIVRA 1. Type Ilfamilial lipoprein lipase deficiency) o Lipoprotein lipase is required for the hydrolysis of chylomicrons and VLDL tri glycerides. o Deficiency of LPL results in decrease hydrolysis and elevated levels of plasma chylomicro... | 150,260 | medmcqa_train |
Which of the following cannot be done by 3 years old child - | Ans. is 'a' i.e., Draws a triangle o A child can draw a triangle by 5 years. o A child can draw a circle by 3 years. o A child can make a tower of 9 cubes by 30 months. o A child can go up and downstairs with one step at a time by 2 years. o A child can stand momentarily on one foot by 3 years | 150,261 | medmcqa_train |
Which of the following is false about parotid tumor | Benign tumors are most common parotid gland tumors. | 150,262 | medmcqa_train |
Characteristic features of opioid withdrawal is: | Ref: KDT 6/e p447 *Withdrawal symptoms are opposite of the acute effect of drug. For opioids, these include lacrimation, rhinorrhea, lacrimation, yawning, piloerection, diarrhea, nausea, coughing, mydriasis, sweating and twitching of muscles. | 150,263 | medmcqa_train |
Fetal hemoglobin has more affinity for oxygen than adult hemoglobin because - | Ans. is 'b' i.e., Low affinity for 2,3 DPG o Make it very clear in mind that higher affinity' of fetal hemoglobin for oxygen is due to low affinity of HbF for 2,3- DPG (not due to decreased 2, 3-DPG concentration). HbF does not combines to 2, 3-DPG as avidly as adult hemoglobin."Fetal hemoglobin is left - shifted becau... | 150,264 | medmcqa_train |
Transport of two substances in same direction is called as? | ANSWER: (A) SymportREF: Guyton's physiology 22nd ed page 54- 55, Ganong's physiology 22nd ed chapter 1CotransportWhen the transported molecule and cotransported ion move in the same direction, the process is called Symport; when they move in opposite directions, the process is called Antiport UniporterSynporterAntiport... | 150,265 | medmcqa_train |
Intravenous agent does not causes pain:- | IV anesthetic causing pain - Oxybarbiturate - Methohexitone- Propofol- Etomidate Among neuro muscular blockers- IV Rocuronium (pain on injection) | 150,266 | medmcqa_train |
Ranitidine differs from cimetidine in the following respec: | (Ref: KDT 6/e p629) Cimetidine is rarely used now because: It is the leat potent H2 blocker It is a sho acting agent It is a potent inhibitor of microsomal enzymes It can cause gynaecomastia It produces more CNS adverse effects | 150,267 | medmcqa_train |
Tocolytics are beneficial in preterm labour because: | They provide time for antenatal steroids | 150,268 | medmcqa_train |
Appreciation of color is function of? | Ans. b (Cones). (Ref. Parsons, Disease of Eye, 19th /131; Khurana 3rd/ 250; Ganong, Physiology, 21st /166)COLOR VISION# Sensation of any colour is determined by the relative frequency of impulses for cone system# The appreciation of colors is function of cones and occurs in photopic vision.# Normal color vision is tric... | 150,269 | medmcqa_train |
All the following statements regarding malignant potential of colorectal polyps are true except ? | Ans is (b) ie., pseudopolyps of ulcerative colitis has high risk of malignancy Pseudopolyps associated with inflammatory bowel disease (and amoebic & ischemic colitis) are not premalignant lesion - | 150,270 | medmcqa_train |
Which of the following is false regarding TRALI? | Ref. Robbins Pathology. 9th edition. Page. 666
TRALI:
Transfusion-Related Acute Lung Injury (TRALI) is a syndrome characterized by acute respiratory distress following transfusion.
All plasma-containing blood products have been implicated including rare reports of IVIG and cryoprecipitate
It is a rare complication of ... | 150,271 | medmcqa_train |
True about Crescent fracture is: | D. i.e. Fracture of iliac bone with disruption of sacroiliac joint Cresent Fracture, is a type II lateral compression injury that is veically stable (d/ t maintainence of pa of posterior SI ligament, sacrotuberous and sacrospinous ligaments) but rotationally unstable (d/t veical disruption of iliac wing). The fracture ... | 150,272 | medmcqa_train |
Drug not used in Type 1 Lepra reacaEUR' tion is: | Thalidomide | 150,273 | medmcqa_train |
Base of Submental triangle is formed by | Boundaries of Sub Mental Triangle Apex - Symphysis Menti Base - Hyoid Bone On each side - Anterior belly of Digastric Content - Sub Mental nodes Floor - Mylohyoid | 150,274 | medmcqa_train |
Gastrointestinal stromal malignancy arises from which of the following - | "Gastrointestinal stromal tumors (GIST) originate from the interstitial cells of Cajal, which controls gastrointestinal peristalsis."
On rare occasions, gastric GISTs occur as part of tumor - syndrome, such as :-
Carney's trads → Gastric GIST, Paraganglioma and pulmonary chondroma.
Neurofibromatosis Type I
Histolo... | 150,275 | medmcqa_train |
Chvostek/Weiss sign seen in which poisoning | acute poisoning. the patient may suffer from tingling and paresthesia, intermittent cramps and carpopedal spasm due to hyperirritability of peripheral nerves(Chvostek/Weiss sign) as a result of hypocalcemia. Patient may go into stupor, coma, and death may be due to respiratory failure. Ref: FORENSIC MEDICINE AND TOXICO... | 150,276 | medmcqa_train |
The reference protein is ? | Ans. is 'b' i.e., Egg Eggs are used in nutrition studies as a "reference protein" as eggs proteins are considered to be the best among food proteins because of their high biological value and digestibility. So NPU is also high because it is the product of biological value and digestibility cofficient divided by 100. | 150,277 | medmcqa_train |
In glycolysis, insulin affects all of the following enzymes except: | The activation as well as the quantities of ceain key enzymes of glycolysis, namely glucokinase (NOT hexokinase), phosphofructokinase and pyruvate kinase are increased by insulin. | 150,278 | medmcqa_train |
Cells associated with humoral immunity is: September 2005 | Ans. B: B cells Humoral immunity is that aspect of specific immunity which is mediated by B lymphocytes and involves the binding of antibodies to antigens Characteristics: Acquired humoral immunity is the recognition of antigens associated with microorganisms or foreign substances. This recognition is coupled with the ... | 150,279 | medmcqa_train |
A 66-year-old woman presents with a 6-month history of scaling and abnormal pigmentation of the skin. Her past medical history is significant for the treatment of thyroid cancer 1 year ago. Biopsy of lesional skin shows atrophy of the epidermis and dense fibrosis of the dermis, which displays dilated superficial blood ... | Ionizing radiation administered for the treatment of cancer must first traverse the skin, leading to radiation dermatitis. Skin biopsy shows atrophy of the epidermis and dense fibrosis of the dermis, which displays dilated superficial blood vessels. In some cases, persistent ulcers require skin grafts. The other choice... | 150,280 | medmcqa_train |
Stony dull note on percussion is characteristic of | Pleural Effusion - Percussion findings Stony dullness with increased resistance and no shifting dullness below the level of fluid.Skodaic resonance (boxy note) just above the effusionObliteration of Traube&;s space in left side effusionGrocco&;s triangle: Triangular area of dullness against veebral column, at the base ... | 150,281 | medmcqa_train |
Which of the following condition is associated with Macular edema? | Cystoid macular edema occur following retinal vascular disorders such as diabetic retinopathy caused by diabetes mellitus and central retinal vein occlusion. It can also occur as a post operative complication following cataract extraction and penetrating keratoplasty, following intraocluar inflammation, as a side effec... | 150,282 | medmcqa_train |
Drug used for treatment of Scorpion sting is: | Ref; Harrison's principles of internal medicine 18th edition (page no; 3580) keeping the patient calm and applying pressure dressing and cold packs to the sting site are measures to decrease the absorption of venom. Iv infusion of midazolam to control agitation, flailing and involuntary movements Close monitoring durin... | 150,283 | medmcqa_train |
All of the following are recognized features of pseudotumor cerebri, except: | Pseudotumor CerebriAlso called as idiopathic intracranial hypeension Pseudotumor cerebri (PTC), is a neurological disorder that is characterized by increased intracranial pressure (pressure around the brain) in the absence of a tumor or other diseases. Occur in young and obese woman Symptoms - headache, nausea, and vom... | 150,284 | medmcqa_train |
Systematic observation and recording of activities of individuals carried out at predetermined or random intervals is known as: | Systematic observation and recording of activities of individuals carried out at predetermined or random intervals is known as work sampling. It provides quantitative measurement of various activities. It helps in standardising methods of performing jobs and determining manpower needs of any organisation. Ref: Park 22n... | 150,285 | medmcqa_train |
In duschene the knee jerk ? | Ans. is 'd' i.e., May be normal initially lateron decrease Duchenne and Becker's muscular dystrophy. X-like recessive So expression of gene is essentially confirmed in males. Females are affected only if X-chromosome carrying the normal allele is lost or inactivated Becker is milder form with late onset and slow progre... | 150,286 | medmcqa_train |
Deficiency of which one of the following dietary components is most likely to have caused this rash? | Answer C. NiacinThe symmetric, scaly, sunburn-like, hyperpigmented rash extending from the hands to a clearly demarcated border midway up the arm suggests a photosensitive distribution, most consistent with pellagra (niacin deficiency). Deficiency of the other listed dietary components is not typically associated with ... | 150,287 | medmcqa_train |
The following is a feature of Korsakoff's psychosis:- | Korsakoff's syndrome - 1 amnesia - anterograde amnesia is common especially a profound impairment of recent memory. The patient can recall events immediately after they have occurred, but cannot do so even a few minutes afterwards. Gaps in memory are often filled by confabulation. 2 confabulation - false story/ honest ... | 150,288 | medmcqa_train |
NO is synthesized by: | D i.e. Arginine | 150,289 | medmcqa_train |
Pulmonary fibrosis is a side effect of | Ans. is 'c' i.e., Bleomycin Pulmonary infiltrates are seen with 3 of the given options - Methotrexate Bleomycin CyclophosphamidePulmonary fibrosis is seen with two of the given optionsBleomycin (Page 1395 G & G 10th/e)Cyclophosphamide (page 1430 G & G 10th/e)I have gone for Bleomycin because pulmonary involvement is mo... | 150,290 | medmcqa_train |
Satellite lesion in a cornial ulcer with feathery margin and fixed hypopyon is a feature of: | There are specific corneal features are seen in fungal corneal ulceration. In terms of corneal infiltration the classic and specific findings are feathery and elevated margins, leathery texture, dry appearance, grey-brown pigmentation, satellite lesions, fixed hypopyon (not moving with change in head position) and endo... | 150,291 | medmcqa_train |
Vertical crest in fundus of the internal auditory canal is known as: | Ans. a. Bill's bar Vertical crest in fundus of the internal auditory canal is known as Bill's bar."Vertical crest in fundus of internal auditory canal is known as Bill's-barand it is used as a surgical landmark for facial nerve identification. Grays 40/e p636 | 150,292 | medmcqa_train |
38 year old man Babbu, a chronic alcoholic, presents with pain in abdomen. On examination his liver is enlarged and serum a fetoprotein is elevated. The most likely diagnosis is: | Answer is A (Hepatocellular carcinoma) Presence of elevated serum a fetopotein in the background of chronic history of alcohol consumption (risk factor for HCC) leads us to the diagnosis pf hepatocellular carcinoma. AFP is the most specific and an ideal tumor marker for primary Ca of the liver i.e, Hepatocellular Carci... | 150,293 | medmcqa_train |
Most useful investigation in sliding hernia in female - | • The hernia may be visible on a plain radiograph of the chest as a gas bubble, often with a fluid level behind the heart.
• A barium meal is the best method of diagnosis.
• The endoscopic appearances may be confusing, especially in large hernias when it is easy to become disorientated. | 150,294 | medmcqa_train |
A 42 year old man comes to ENT OPD. He is a follow up case of recurrent sinus and ear infection from past 1 year. It is also associated with headache. He gives history of pollen allergy. Currently, he presented with complains of blood tinged sputum and cough. Chest x ray is done with B/L nodular infiltrates and cavitar... | X ray shows bilateral nodular shadow with cavitary lesion i/v/o clinical s/s and lab investigation-possibility of wegener granulomatosis exists. CT scan shows multiple bilateral cavitary lesions. HPE- Histiocytes and giant cells surrounding a central necrotic zone. Vasculitis: neutrophils and lymphocytes involving aeri... | 150,295 | medmcqa_train |
The pivot test is for | A i.e. Anterior cruciate | 150,296 | medmcqa_train |
A child with unilateral white reflex and raised intraocular pressure. the required investigation are all except | In a child, a detailed retinal examination, tonometry, corneal diameter, gonioscopy, etc can only be done under anaesthesia Refer khurana 6/e | 150,297 | medmcqa_train |
Paralysis in polio is characterized by | Types of Paralytic Poliomyelitis Spinal poliomyelitis (MC type) : Lower motor neurone lesion of the anterior horn cells of spinal cord which affects the muscles of the legs, arms and/or trunk asymmetrically Bulbar poliomyelitis: Involvement of lower cranial nerves Bulbospinal poliomyelitis : Involvement of both Bulbar ... | 150,298 | medmcqa_train |
The only Species of Shigella that produces exotoxin | . | 150,299 | medmcqa_train |
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