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A person is diagnoses with pulmonary embolism invasive modality for diagnosis is - | Ans. is 'b' i.e., Pulmonary angiography o The definitive diagnostic for pulmonary thromboembolism is pulmonary angiography.o It is the most specific investigation for pulmonary> thromboembolism but it is expensive time consuming and invasive,o Therefore chest CT with contrast has virtually replaced angiography as the d... | 159,100 | medmcqa_train |
Wof is an immunosuppressant that acts by inhibiting mTOR and is non nephrotoxic | mTOR INHIBITORS Sirolimus This new and potent immunosup-pressant is a macrolide antibiotic (like tacrolimus), which was earlier named Rapamycin. Mech of action:- It binds to immunophillin FKBP and the sirolimus-FKBP complex inhibits kinase called 'mammalian target of rapamycin' (mTOR). uses:- 1)For prophylaxis and ther... | 159,101 | medmcqa_train |
Paramesonephric duct develops into: | Ans. D. Uterus MaleFemaleMesonephric ductDuct of epididymisDuct of epoophoron(Wolffian duct)Ductus deferensPart of bladder and urethra Ejaculatory duct Part of bladder and prostatic urethra (Paramesonephric or Mullerian duct)Appendix of testisUterine tube Prostatic utricleUterus Vagina | 159,102 | medmcqa_train |
Toxin involved in the streptococcal toxic shock syndrome is: | Streptococcal TSS is caused by pyrogenic exotoxin. Ref: Text Book of Microbilogy By Ananthanarayan, 8th Edition, Page 208-209 ; Harrison's Principles of Internal Medicine, 14th Edition, Page 889, 15th Edition, Page 903 | 159,103 | medmcqa_train |
Radiopharmaceutical used for the liver scan is | Tc-99m sulphur colloid is used in liver scan.Tc-99m DTPA measurement of GFR.Tc99m-sestamibi is taken up by cells with a high concentration of mitochondria i.e. highly cellular/metabolically active tissues such as the hea but also abnormal tissues such as oxyphil cell parathyroid adenomas, myeloma and breast cancer. | 159,104 | medmcqa_train |
From which of the following routes absorption of local anaesthetic is maximum? | Ans. is 'a' i.e., Intercostal According to miller "The greater the blood supply to the area injected, the greater is the systemic absorptionSites of absorption from greatest to least include:-Intrapleural > intercostal > pudendal > caudal > epidural > brachial plexus > infiltration. | 159,105 | medmcqa_train |
Atypical pneumonia is caused by all except | Haemophilus influenza causes lobar pneumonia .it is one of the frequent cause of fatal pneumonia in the pandemic of influenza in 1918 _1919 where as atypical pneumonia is not as serious as typical pneumonia Ref:anantnarayan and paniker's microbiology 10th edition | 159,106 | medmcqa_train |
A 28 year female patient presented with history of bilateral hearing loss and tinnitus. She can hear better in noisy environment. Examination showed intract ear drums bilaterally and Rinne test is negative bilaterally. Pure tone audiometry given below. What is the most probable diagnosis? | Ans. (c) Stapedial otosclerosisRef: Logan Turners ENT 11th Ed; Page No-464Otosclerosis* Most commonly seen in third decade, i.e. 20-30 years of age.* Most commonly seen in females, with a ratio of 2:1.* It is most commonly seen in white peoples.* The most common site origin of otosclerosis is fissula ante fenestrum.* I... | 159,107 | medmcqa_train |
Select the false statement about P. jiroveci? | Ans. is 'b' i.e., Frequently associated with CMV Lets see each option one by one. Robbin's Option 'a' - See following statements of Topley's mycology; "Pneumocystis are found in low number in the lungs of mammalian hosts with intact immune system and in more abundance in homeotherms with compromised immune status". "A ... | 159,108 | medmcqa_train |
Capacitance of sperms takes place in | Sperm is the male reproductive cell in the sexual reproduction. Capacitation is the penultimate step in the maturation of mammalian spermatozoa and is required to render them competent to feilize an oocyte. This step is a biochemical event; the sperm moves normally and looks mature prior to capacitation. In vivo, this ... | 159,109 | medmcqa_train |
Complication which commonly accompanies acute prostatitis - | • Acute inflammation of prostate associated with UTI
• Caused by ascending urethral infection or reflux of infected urine into prostatic ducts
• MC organism: E. coli
• Patients present with sudden onset high grade fever with chills and rigors, severe irritative symptoms and enlarged, tender and boggy prostate
• Cathete... | 159,110 | medmcqa_train |
An 18-year-old female passenger injured in a rollover car crash was rushed to the emergency department. After the patient is stabilized she undergoes physical examination. She demonstrates considerable weakness in her ability to flex her neck, associated with injury to CN XI. Which of the following muscles is most prob... | The iliocostalis thoracis muscle is found in the deep back and functions to maintain posture. It is not associated with neck flexion. The sternocleidomastoid muscle is innervated by CNXI and functions in contralateral rotation and bilateral flexion of the neck. Rhomboid major and minor are both innervated by the dorsal... | 159,111 | medmcqa_train |
Which of the following statements about Cushing's disease is true? | Cushing's syndrome is due to increased adrenal coisol production, regardless of aetiology.Cushing's disease usually is caused by a pituitary microadenoma producing high adrenocoicotropin (ACTH) levels.In most patients, coisol levels would be suppressed as a result of the high-dose dexamethasone suppression test.Transsp... | 159,112 | medmcqa_train |
Intractable secondary glaucoma is seen in: | Ans. (a) Diffuse iris melanomaRef: Surgical Pathology of Head & Neck p. 1935Intractable secondary glaucoma may also occur in cases of blunt trauma due to anteriorly dislocated lens setting caught in the pupil.Iris melanoma(malignant neo plasms that arise from neuroectodermal melanocytes with in the Iris)Circumscribed/n... | 159,113 | medmcqa_train |
A normally developing 10 months old child should be able to do all of the following except _________ | the child is able to make tower of 2 blocks by 15 months and tower of 3 blocks by 18 months. Ref: OP GHAI - ESSENTIAL PEDIATRICS - 8 TH edition page no 50 | 159,114 | medmcqa_train |
A child with pyoderma becomes toxic and presents with respiratory distress. His CXR shows patchy areas of consolidation and multiple bilateral thin walled air containing cysts. The most likely etiological agent in this case is: | b. Staph aureus(Ref: Nelson's 20/e p 2088-2093, Ghai 8/e p 379-381)The given chest X-ray finding is suggestive of pneumonia with pneumatoceles, seen in infection due to Staph aureus. | 159,115 | medmcqa_train |
Locard’s principle is concerned: | Ref. Textbook of forensic medicine. Krishnan Vij. Page. 302
Locard Principle:
When any two objects come into contact, there is always a transfer of material from each object on the other.
Some examples are fingerprints, footprints,hair, tool marks etc. | 159,116 | medmcqa_train |
Most common ovarian tumor | Ans. (a) Serous cystadenoma(Ref: Robbins 9th/pg 1023)*Most ovarian tumors are surface epithelial (65-70%)*Serous cystadenoma is the most common surface epithelial tumor | 159,117 | medmcqa_train |
Best diagnostic aid in blunt trauma abdomen is - | Ans. is 'd' i.e., Ultrasound | 159,118 | medmcqa_train |
Which of the following lipids is found exclusively in mitochondria? | Cardiolipin Is a Major Lipid of Mitochondrial Membranes
Phosphatidic acid is a precursor of phosphatidylglycerol, which in turn gives rise to cardiolipin. This phospholipid is found only in mitochondria and is essential for the mitochondrial function. Decreased cardiolipin levels or alterations in its structure or met... | 159,119 | medmcqa_train |
A 20 yr old girl presents with 9 month history of neck swelling with thyrotoxicosis symptoms. On investigation increased T4 and decreased TSH with palpable 2 cm nodule was found. Next investigation will be | In clinical cases of thyroid nodule, Thyroid profile (T3 T4 TSH) is done. If TSH is low, thyroid scan is done to see if nodule is hot or cold. If TSH is low or normal, ultrasound followed by FNAC is done Source :Sabiston 20 th edition Pg 890 | 159,120 | medmcqa_train |
Investigation of choice for Hydrocephalus in infants ? | Brain imaging Imaging tests can help diagnose hydrocephalus and identify underlying causes of the symptoms. These tests may include: Ultrasound. Ultrasound imaging, which uses high-frequency sound waves to produce images, is often used for an initial assessment for infants because it&;s a relatively simple, low-risk pr... | 159,121 | medmcqa_train |
A pt. presented with renal cell carcinoma invadving IVC and the renal vein. False statement is ? | Ans. is 'b' ie. IVC involvement indicates inoperability A renal cell carcinoma that has spread to renal vein, IVC or even upto the thorax (hea) is operable. A preop biopsy is not necessary as a RCC is the most common malignant neoplasm of kidney (90 - 95%) and any solid renal mass is considered to be RCC until unless p... | 159,122 | medmcqa_train |
Commonest neurological tumour associated with NF-2:- | NF is a type of genetic condition Gene Chromosome Protein Features NF 1 17 Neurofibromin - Cafe-au-lait-macules (CALM) NF 2 22 Merlin -Vestibular Schwannoma (Acoustic neuroma): commonest neurological tumour. -Giant Neurofibromas, Meningioma - Axillary Freckling | 159,123 | medmcqa_train |
Tumor seen exclusively in parotid: | Wahin Tumor: Viually restricted to the parotid gland More common in Male; Smoking is most impoant risk factor EXTRA EDGE: Most common salivary gland tumor - Pleomorphic Adenoma. Most common Benign salivary gland tumor - Pleomorphic Adenoma MC Primary malignant salivary gland tumor - Mucoepidermoid carcinoma. Adenoid cy... | 159,124 | medmcqa_train |
Hypochloremia, hypokalemia and alkalosis are seen in? | Ans is 'a' i.e. Congenital hyperophic pyloric stenosis Biochemical abnormality in congenital hyperophic pyloric stenosis is a regular feature of AIIMS and AI examinations it has been repeated several times. The biochemical abnormalities seen are: ( I ) Hypokalemia (3) Alkalosis and (2) Hypochloremia (4) Paradoxical aci... | 159,125 | medmcqa_train |
Axillary abscess is safely drained by which approach | Axillary abcess should be incised through the floor of axilla, midway between the anterior and posterior axillary folds,and nearer to the medial wall in order to avoid injury to the main vessels running along the anterior,posterior and lateral walls. | 159,126 | medmcqa_train |
Anti HIV drug used for prevention of vertical transmission - | Ans. is 'a' i.e., Nevirapine Treatment during pregnancyo HIV infected mother can transmit the virus to fetus/infant during pregnancy, during delivery or by breast feeding,o Early diagnosis and antiretroviral therapy to mother and infant significantly decrease the rate of intrapartum and perinatal transmission (vertical... | 159,127 | medmcqa_train |
Thump print sign in the abdominal radiograph indicates which of the following conditions? | The thump print sign is seen in Inflamatory bowel disease (Ulcerative colitis, Crohns), infectious colitis (amoebic, pseudomembranous), ischaemic bowel disease and diveiculitis. The sign is a result of haustral mucosal thickening in most of the cases. | 159,128 | medmcqa_train |
Alcohol dependence is associated with all of the following except | Amotivational syndrome is seen with chronic cannabis abuse. | 159,129 | medmcqa_train |
A patient presented in casualty with a history of sudden paplitation, sensation of impending doom and constriction in his chest. This lasted for about 10-15 minutes after which he became all right. The diagnosis is likely to be: | D i.e. Panic attack Feeling of impending doom with sympathetic symptoms (chest discomfo/pain/constriction, anxiety apprehension, breathlessness, sweating, palpitations, tremors etc.) of sudden onset and lasting for few minutes are diagnostic of Panic attackQ. - In generalized anxiety disorder, there must be a period of... | 159,130 | medmcqa_train |
The cough response caused while cleaning the ear canal is mediated by stimulation of: | Auricular branch of vagus nerve provide innervation of the external auditory canal. So mechanical stimulation of ear canal while cleansing it cause stimulation of this nerve branch of vagus nerve and may induce cough. The auricular branch of vagus nerve passes through the mastoid canaliculus and through a space between... | 159,131 | medmcqa_train |
All of the following can cause methemoglobinemia except- | Methemoglobinemia is a rare but potentially life - threatening complication that may follow theadministration of ceain drugs that causes oxidation of hemoglobin to Methemoglobin. Drugs whichcause this - prilocaine benzocaine, rarely Lignocaine, nitroglycerine, Phenytoin sulphonamide. | 159,132 | medmcqa_train |
Amine hormone is ? | Ans. is 'd' i.e., Thyroxine | 159,133 | medmcqa_train |
Darkening of urine on standing is associated with | Alkaptonuria is caused by defect of the enzyme homogentisate 1,2-dioxygenase(homogentisic acid oxidase).The disorder comes to attention due to change in colour of urine to brownish black/ staining of diapers.The urine becomes dark on standing,especially if the pH of urine is alkaline,due to the presence of homogentisic... | 159,134 | medmcqa_train |
Which of the following is most strongly associated with coronary hea disease? | Apolipoprotien B (major LDL protien) is better predictors of CHD. Ref-Park&;s textbook of Preventive and Social Medicine 24th edition. | 159,135 | medmcqa_train |
A 19 year old boy fell from the motorbike on his shoulder. The doctor diagnosed him as a case of Erb's paralysis. All of the following signs and symptoms will be observed in this boy, EXCEPT? | Due to Erb's paralysis there is damage of biceps brachii and supinator due to which there is loss of pronation of forearm. It is associated with loss of abduction at shoulder joint, loss of lateral rotation and loss of flexion at elbow joint and is not associated with loss of pronation at radioulnar joint.Erb's paralys... | 159,136 | medmcqa_train |
Svere myopathy commonly is a side effect of | ESSENTIALS of medical PHARMOCOLOGY SEVENTH EDITION KD TRIPATHI Page :636,637 Impoant statins are :lovastatin Simvastain, pravastatin, rosuvastatin etc Rosuvastatin This is the latest and the most potent statin (10 mg rosuvastatin :::::. 20 mg atorvastatin), with a plasma tlh. of 18-24 hours. Greater LDL-CH reduction ca... | 159,137 | medmcqa_train |
In a young female of reproductive age with regular menstrual cycles of 28 days ovulation occurs around 14th day of periods. When is the first polar body extruded | A i.e. 24 hours prior to ovulationEvent In OogenesisTime periodMaximum number of germ cell (Oogonia & few oocyte) - 7 million are found by5th month (prenatal)All oogonia become atretic and only primary oocyte surrounded by follicular cell (k/a primordialfollicle) remain by7", month (prenatal)All primary oocyte have sta... | 159,138 | medmcqa_train |
Basophilic stippling is seen with | i.e. (Thalassaemia) : (292-Harsh mohan 6th) (658-H17th/6th)Punctate basophilia or basophilic stippling is diffuse and uniform basophilic granularity in the cell which does not stain positively with Perl's reaction (in contrast to pappenhamer bodies which stain positively)Examples -* Aplastic anaemia* Thalassaemia* Myel... | 159,139 | medmcqa_train |
Thumb print sign is seen in: March 2011 | Ans. C: Ischemic colitis Earlier features of intestinal ischemia seen on abdominal radiographs include bowel wall edema, known as "thumb printing". Radiological signs in GIT: Thumb printing sign: Ischemic colitis Bird of prey sign: Sigmoid volvulus Double bubble sign (X-ray abdomen): - Annular pancreas - Duodenal atres... | 159,140 | medmcqa_train |
Endothelium activation refers to - | Ans. is 'd' i.e., Increased expression of adhesion molecules for leukocyte recruitment o Vascular endothelium in its normal, unactivated state does not bind circulating cells or impede their passage,o In acute inflammation, the endothelium is activated and can bind leukocytes as a prelude to their exit from the bloodve... | 159,141 | medmcqa_train |
An amoebic liver abscess can be diagnosed by demonstrating- | Exploratory puncture is one of the most practical methods for confirming the diagnosis of amboebic liver abscess. The aspirated pus may be examined for the demonstration of trophic forms (trophozoites) of E. histolytica.
Aspirations from the center of amoebic liver abscess do not show trophozoites, while aspirates from... | 159,142 | medmcqa_train |
Carboxylases requires - | Ans. is 'd' i.e., Biotin o Biotin is a coenzyme for carbon dioxide fixation reactions.o It serves as prosthetic group of ATP-dependent carboxylase, i.e., in carboxylation reactionQ,o It acts as coenzyme tor acetyl-CoA carboxylaseQ, propionyl-CoA carboxylaseQ, pyruvate carboxylaseQ and metbylcartonyl-CoA carboxylase. | 159,143 | medmcqa_train |
Mechanism of action of sulfonamide is? | Ans. is 'c' i.e., Inhibits folate synthesis Sulfonamides are bacteriostatic and act by inhibiting folic acid synthesis by inhibiting enzyme folate synthatase. | 159,144 | medmcqa_train |
All are true about Net protein utilization (NPU) except | • 1 gram of proteins is equivalent to: 6.25 grams Nitrogen
• NPU of India diets: 50-80 | 159,145 | medmcqa_train |
Following vasectomy for family planning, a patient should be advised to use some other method of contraception, till : | None | 159,146 | medmcqa_train |
The structures passing posterior to diaphragm are all except: | D i.e. Greater splanchnic nerve | 159,147 | medmcqa_train |
True about acid phosphatase is ? | Acid phosphataseAcid phosphatase (ACP) hydrolyzes phosphoric acid esters at pH 5-6.It is found in different isoforms in prostate, spleen, liver, erythrocytes, platelets and bones. Prostatic and erythrocyte isoform can be differentiated by ?i) Prostatic isoform is inhibited by taarate (taarate sensitive), whereas erythr... | 159,148 | medmcqa_train |
Which is not a dietary fiber ? | Ans. is 'b' i.e., LactuloseDietary fibres (Review) Dietary fibre consists of unabsorbable cell wall and other consititutents of vegetable food like celluloseQ, lignin, hemicellulosee, gums, pectinsdeg, aliginates and other polysaccharides.In herbivorous animals, intestinal microoganism breakdown these polysaccharides i... | 159,149 | medmcqa_train |
RNA polymerase does not require : | D i.e. Primer | 159,150 | medmcqa_train |
The protein in the GBM responsible for charge dependent filtration is | Glomerular basement membrane contains: a. Collagen type IV b. Laminin c. Polyanionic proteoglycans (responsible of charge-dependent filtration) d. Entactin e. Fibronectin f. Sialoglycoprotein coating on endothelial and visceral epithelial cells. Ref: ROBBINS BASIC PATHOLOGY 10th ed Pg no: 551 | 159,151 | medmcqa_train |
Which is the most impoant prognostic marker in ALL? | Response to treatment is the most impoant prognostic marker in ALL. Leucocyte count> 50000/ul Poor prognosis Hyperploidy Favorable prognostic factor Response to treatment Remission status at 14 days of chemotherapy is best guide to prognosis. Organomegaly Poor prognosis. Lymph node, liver, spleen and testis enlargement... | 159,152 | medmcqa_train |
A patient complains of knee pain. Routine investigations are unremarkable and still, the patient is unsatisfied. Urine turns black on standing, what is the enzyme involved? | Alkaptonuria - Due to deficiency of Homogentisate dioxygenase/ oxidase (requires Iron) Fresh urine is normal in colour On standing or on exposure to air - turns Black - Homogentisic acid accumulated - get oxidised - gives rise to Black urine - Homogentisic acid gets polymerized in body forming ALKAPTON BODIES, which ge... | 159,153 | medmcqa_train |
Minimum pneumothorax is best seen in which of the following view (chest x-ray)? | A pneumothorax is, when looked for, usually easily appreciated. Typically they demonstrate: visible visceral pleural edge is seen as a very thin, sharp white line. no lung markings are seen peripheral to this line. | 159,154 | medmcqa_train |
Calculate GCS of 25 old head injury patient with following parameters confused,opening eyes in response to pain ,localising pain response to pain | Glasgow coma scale: Eye opening Best verbal response Best motor response Response Score Response Score Response Score Spontaneously 4 Oriented and Converses 5 Obeys commands 6 To verbal stimuli 3 Disoriented and converses 4 Localises pain 5 To pain 2 Inappropriate words 3 Flexion- withdrawal to pain 4 Never 1 Incompreh... | 159,155 | medmcqa_train |
The nerve supply to pronator muscle of distal radioulnar joint is : | Pronator of proximal radioulnar joint - Pronator teres (median nerve).
Pronator of distal radioulnar joint - Pronator quadratus (anterior interosseous nerve). | 159,156 | medmcqa_train |
Acquire IgA deficiency may occur in ? | Severe Congenital toxoplasmosis Block in B cell differentiation due to defective interaction between T and B cells. Naive B cells are not able to differentiate into IgA - producing cells. | 159,157 | medmcqa_train |
Which category of ICD is associated with mood disorders? | Ans. is 'd' i.e., F3 International classification of disease-10 (ICD-10)o ICD -10 is WHO classification for all diseases and health problems (and not only psychiatric disorders). ICD-10 uses alpha numeric code made of an alphabet (in contrast DSM-IV uses numerical coding) - 'F' is for mental disorders. There are 10 mai... | 159,158 | medmcqa_train |
Influenza is caused by which virus - | Ans. is 'b' i.e., Orthomyxovirus DNA virusesPoxviridaeVariola, vaccinia, cowpox, monkeypox, tanapox, molluscum contagiosumHerpesviridaeHSV-1, HSV-2, varicella-zoster, EBV, CMV, HTLV-1, RK-virusAdenovirideAdenovirusParvoviridaeParvovirus, Adenosatellovirus, DensovirusPapovaviridaePapilloma \4rus (HPV), PolyomavirusHepad... | 159,159 | medmcqa_train |
'Whip-lash' Injury is caused due to- | * Whiplash Injury is caused by sudden unexpected hyperextension of cervical spine followed immediately by flexion. <img alt="" src=" /> Ref: Apley's 9th/e p.820 | 159,160 | medmcqa_train |
Increase in height in first year is by – | At birth, the average height of a child is 50 cm.
During first year height increases about 50% of birth height (25 cm). | 159,161 | medmcqa_train |
The pre-malignant condition with the highest probability of progression to malignancy is | Incidence of malignant change in erythroplakia is 17- fold higher than in leukoplakia. | 159,162 | medmcqa_train |
Hemoglobin unlike myoglobin showsa) Sigmoid curve of oxygen dissociationb) Positive cooperativityc) Hills coefficient of oned) None of above | Hb-O2 dissociation curve- Sigmoid shape
Co-operativity- Hb is a tetramer. If one molecule of O2 binds to the tetramer more easily if other O2 is already bound.
Hills coefficient of Hb- 2.8 | 159,163 | medmcqa_train |
Not an Ideal Candidate for inseion of IUCD | The Ideal IUCD candidateThe planned parenthood federation of America has described the ideal IUCD candidate as a woman:who has born at least one childhas no history of pelvic diseaseis willing to check the IUCD tailhas access to follow up and treatment of potential problems, andis in a monogamous relationshipRef: Park ... | 159,164 | medmcqa_train |
A 32 year old male with painless lymph node in cervical region. Lymph node biopsy shown normal thyroid gland features. The thyroid is normal on palpation clinically. The diagnosis is | Thyroid tissue present in cervical lymph nodes in the face of a clinically normal thyroid gland is a metastasis from an occult primary thyroid carcinoma Occasionally, a metastatic papillary thyroid cancer manifests as a painless lateral neck mass that is clinically detected before detecting the primary thyroid lesion. ... | 159,165 | medmcqa_train |
Tourette is a disorder of | Tourette's disorder(Gilles de la Tourette) - combined vocal and multiple motor tic disorder. presence of both multiple motor and one or more vocal tics (>1 year) Onset <18 years involuntary, spasmodic, stereotyped movement of small groups of muscles; seen most predominantly in moments of stress or anxiety Ex: Nose twit... | 159,166 | medmcqa_train |
All of the following radiologic features are seen in patients with chronic cor pulmonale, except | Diagnosis of Chronic cor pulmonale:Chest X-rayECGECHORight ventricular hyperophyRight atrial dilatationProminent pulmonary aeryPeripheral lung fields show reduced vascular markingsFeatures of hyperinflation: Widened intercostal space, increased translucency of lung and flattened diaphragm. Right ventricular hyperophy R... | 159,167 | medmcqa_train |
Osgood schlatter disease is osteochondritis of ? | Ans. is 'a' i.e., Tibial tuberosity | 159,168 | medmcqa_train |
A male neonate is born with an omphalocele (shown in Figure below). This entity can be distinguished from gastroschisis, because in an omphalocele, the protrusion is:Giant omphalocele in a newborn male. | In omphalocele (see figure below), the swelling is covered by a membrane formed by the peritoneum, Wharton's jelly, and amnion. The membrane is transparent, and underlying intestine can be seen. The other features listed are characteristic of gastroschisis. In gastroschisis, the protrusion is not covered by a membrane ... | 159,169 | medmcqa_train |
Xeroderma pigmentosum is caused due to defect in: (Repeat) | Ref: Chapter 7. Neoplasia; page: 275; Robbins and Cot ran Pathologic Basis of Disease: 8t>? editionExplanation:* Defective DNA - repair syndromes are set of syndrome due to defect in DNA repair genes and resultant DNA instability.* These are autosomal recessive in inheritance and include:Xeroderma pigmentosumBloom synd... | 159,170 | medmcqa_train |
Which of the following transmits the Internal Carotid aery? | ForamensStructuresCribriform plate of ethmoidOlfactory nervesOptic foramenOptic nerve, ophthalmic aery, meningesSuperior orbital fissureOculomotor, trochlear, and abducens nerves; ophthalmic division of trigeminal nerve; superior ophthalmic veinForamen rotundumMaxillary division of trigeminal nerve, small aery and vein... | 159,171 | medmcqa_train |
Which of the following compounds acts as a benzodiaz epine antagonist? | A specific BZD antagonist flumazenil is used for BZD poisoning ,it is a BZD analogue which has little intrinsic activity (no effect on normal subject), but competes with BZD agonist as well as inverse agonist for BZD receptor &reverse its effect . Ref: KD tripathi 8th ed. | 159,172 | medmcqa_train |
Structures Passing Through The Foramen Marked in the Diagram are all EXCEPT? | The Structure Marked is Foramen Magnum Lower pa of medulla oblongata (not the spinal cord) passes through posterior pa of foramen magnum, and veebralaeries are transmitted through the subarachnoid space in foramen magnum Ref : BD chaurasia | 159,173 | medmcqa_train |
70 year old man with cervical lymphadenopathy.What can be the cause - | Ans. is 'a' i.e., Nasopharyngeal carcinoma o Among the given options only nasopharyngeal carcinoma is a common cause of cervical nodes in 70 years male,o Information in this question :i) Cervical adenopathy (Neck node) Most common presentation of nasopharyngeal carcinoma.ii) Type B tympanogram Indicates serous otitis m... | 159,174 | medmcqa_train |
Vi antigen is present in all except- | Vi antigen is present in all except S.paratyphi A. Vi Antigen: It is the surface polysaccharide envelope or capsular antigen covering the O antigen. Expressed in :- S.typhi, S. paratyphi C, S. dublin and some strains of Citrobacter freundii. When Vi antigen is present, it renders the bacilli inagglutinable with the O a... | 159,175 | medmcqa_train |
Child having long history of hemoglobin 5 gm% next step? | Ans. is 'b' i.e., CBC,reti count with peripheral smear In above question, if child is stable, then no need to give blood transfusion. Before staing Iron, we have to rule out types of anemia as Iron is indicated only in nutritioral anemia. Hb ele ctrophoresis is indicated if there is featuer of hemolytic anemia (thalass... | 159,176 | medmcqa_train |
Serum alkaline phosphatase levels increases in: | Ans. C. HyperparathyroidismSerum alkaline phosphatase is increased in hyperparathyroidism, rickets, obstructive jaundice and Paget's disease. | 159,177 | medmcqa_train |
Which of the following is true regarding the trophozoite of E. histolytica? | Ans. (d) Shows erythrophagocytosis Differntial features of intestinal entamoede Features E. histolytica E. hamanni E. coli Trophozoite Size (pm) 12-60 4-12 20-50 Motility Motility Active Sluggish Pseudopodia Finger shaped, rapidly extruded Finger shaped, rapidly extruded Sho, blunt, slowly extruded Cytoplasm Clearly de... | 159,178 | medmcqa_train |
You have diagnosed intrinsic asthma in a patient and is explaining to him regarding his illness. He has no family history of asthma. All the following are true regarding intrinsic asthma, EXCEPT: | Intrinsic asthma is a non atopic condition and so no allergen is detected. The onset in during adulthood and family history may be absent. No preceding allergic illness may be evident and unlike extrinsic asthma it has no association with chronic bronchitis or nasal polyp. Ref: Harsh Mohan Pathology Quick Review, 4th E... | 159,179 | medmcqa_train |
Root Value of Pudendal Nerve is: | Ans. B. S2 S3 S4 The pudendal nerve (Root Value S2 S3 S4 ) is the main nerve of the perineum. It carries sensation from the external genitalia of both sexes and the skin around the anus and perineum, as well the motor supply to various pelvic muscles, including the male or female external urethral sphincter and the ext... | 159,180 | medmcqa_train |
Budd chiari syndrome can be caused by - | Ans. is 'd' i.e., AllBudd-chiari syndrome o Budd-chiari syndrome is the clinical picture caused by occlusion of the hepatic vein or inferior vena cava.o It presents with classical triad of abdominal pain, ascites and hepatomegaly.Causes of Budd-chiari syndromeHepatic vein thrombosisMyeloproliferative disorders (Polycyt... | 159,181 | medmcqa_train |
The most important investigation in the given case to diagnose if the condition is a neoplasm? | Ans. (a) JAK-2The figure shows increased platelets in smear and increased megakaryocytes in bone marrow. To diagnose this as essential thrombocythemia (neoplasm); JAK-2 mutation analysis should be done. | 159,182 | medmcqa_train |
World diabetes day is celebrated on - | Ans. is 'c' i.e., 14th November* 8th may - world red cross day* 8th march - international womens day* 14th november - world diabetes day* 1st december - world AIDS day | 159,183 | medmcqa_train |
An anesthetic agent with boiling temperature more than 75 C is | Refer Anesthesiology by Longnecker 2008/777 Boiling point of methoxyflurane is 104,7 degree Celsius whereas other flurrinated anesthetics have boiling point between 50 C and 60 C | 159,184 | medmcqa_train |
Takayam test is used for? | Ans. is 'a' i.e. To know the nature of stain o It is a microchemical test to know the nature of stain.Microchemical tests: These tests are based on property of haem part of hemoglobin to form characteristic coloured crystals.1) Teichmann's haemin crystal test2) Takayama hemochromogen crystal test3) Luminal spray test: ... | 159,185 | medmcqa_train |
A small Ca2+ binding protein that modifies the activity of many enzymes and other proteins m response to changes in Ca2+ concentration, is known as | Calmodulin is a calcium-binding regulatory protein, with a molecular weight of 17,000 daltonsIt can bind with 4 calcium ionsCalcium binding leads to activation of enzymes. It is a pa of various regulatory kinasesRef: DM Vasudevan, 7th edition, page no: 503, 504 | 159,186 | medmcqa_train |
Dead space is reduced in tracheostomy by | Airflow resistance of the normal upper airway is substantial, constituting up to 80% of total airway resistance during nose breathing and 50% during mouth breathing.Theoretically, tracheostomy tubes should decrease airflow resistance, but in fact, this does not occur because of the smaller radius (inner diameter 7-8 mm... | 159,187 | medmcqa_train |
S/E of diethyl stilbesterol when used in pregnant woman- | Ans. is 'c' i.e., Infeility and development vaginal carcinoma in female offspring Stilbestrol given to pregnant women Increased risk of vaginal and cervical carcinoma in the female offspring in childhood or early adulthood. | 159,188 | medmcqa_train |
ASA -3 is | ASA grade 3 is when comorbidities are present and make patient symptomatic often. | 159,189 | medmcqa_train |
Lesion not seen in Lepromatous leprosy is:- | Lepromatous leprosy The first clinical manifestations are usually dermal (because early nerve involvement is usually asymptomatic) Leonine facies occur due to diffuse involvement of the facial skin Early symptoms Nasal symptoms of stuffiness, discharge and epistaxis, and oedema of legs and ankles due to increased capil... | 159,190 | medmcqa_train |
The conversion of optically pure isomer (enantiomer) into a mixture of equal amounts of both dextro and levo forms is called as | Depending on the rotation, molecules are called dextrorotatory (+) (d) or levorotatory (-) (l). Thus D-glucose is dextrorotatory but D-fructose is levorotatory. Equimolecular mixture of optical isomers has no net rotation (racemic mixture) or Racemization Ref: Textbook of Biochemistry for Medical Students, 7E (DM Vasud... | 159,191 | medmcqa_train |
When a homicide case comes to a doctor, he has to inform police. This comes under which section? | Every person, aware of the Commission of ceain offences shall give information to the nearest Magistrate or police officer.This comes under 39 Crpc section. Examples of such offences are: Offences relating to adulteration of food and drugs, etc Offences affecting life (302, 303, 304 IPC) Offence relating to kidnapping ... | 159,192 | medmcqa_train |
Post-dural puncture headache is typically ? | Ans is 'c' i.e. Bifrontal or occipital Characteristics of post lumbar puncture Headache Cause - There is loss of C.S.F which decreases the brains suppoive cushion so that when a patient is upright there is dilatation and tension placed on brain's anchoring structures and the pain sensitive dural sinuses, resulting in p... | 159,193 | medmcqa_train |
The glomus tumor invasion of jugular bulb is diagnosed by | MRI - gives soft tissue extent of tumor; Magnetic Resonance Angiography (MRA) shows compression of the carotid aery whereas magnetic resonance venography shows invasion of jugular bulb by the tumor. | 159,194 | medmcqa_train |
Chemically steroids are derivatives of | Cholesterol is first acted upon by desmolasw and a 6 carbon unit is cleaved off, forming pregnenoloneProgesterone is the first steroid hormone formed from pregnenoloneProgesterone is fuher conveed in to glucocoicoids, mineralocoicoids and sex steroids Ref: DM Vasudevan, 7th edition, page no: 664, 665 | 159,195 | medmcqa_train |
Toxin production by Corynebacterium diphtheria is due to ? | Ans. is 'c' i.e., Lysogenic conversion o The toxigenicity of the diphtheria bacilli depends on the presence in it of corynephages (tox +). Nontoxigenic strains may be rendered toxigenic by infecting them with beta phage or some other larger phage. This is known as lysogenic conversion or phage conversion. | 159,196 | medmcqa_train |
Azoospermia is seen in which syndrome - | Young's syndrome, also known as azoospermia sinopulmonary infections, sinusitis-infertility syndrome and Barry-Perkins-Young syndrome, is a rare condition that encompasses a combination of syndromes such as bronchiectasis, rhinosinusitis and reduced fertility. In individuals with this syndrome, the functioning of the l... | 159,197 | medmcqa_train |
Which is the rarest type of von Willebrand disease? | Type III vWD is the rarest type of von Willebrand disease. It result from the inheritance of a mutant vWF gene from both parents. TYPES OF vBD: Condition Defect vWD type 1 Mild to moderate quantitative deficiency of vWF (i.e., about 20-50% of normal levels). vWD type 2A The most common qualitative abnormality of vWF se... | 159,198 | medmcqa_train |
chelioscopy is the study of - | Lip prints | 159,199 | medmcqa_train |
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