query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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While performing a vaginal delivery for a nulliparous woman, after successful delivery of the baby and placenta, you observe that a perineal laceration has extended to involve the external anal sphincter. All are true regarding this except? | Ans. A. It could have been avoided had you practiced a routine episiotomyPerineal injury during delivery can be prevented by proper perineal support, slow delivery of head in between contractions. Alternatively, if expulsive efforts are inadequate or expeditious delivery is needed, the modified Ritgen maneuver may be e... | 18,700 | medmcqa_train |
Frued is known for | Ans. a (Psychoanalysis) (Ref. Neeraj Ahuja, 5th/pg.55, 210)Psychoanalysis was first described by Sigmund Freud (1856-1939).Psychoanalysis encomprises of:1. A psychological theory of mind and personality development based primarily on the concept of intrapsychic conflict.2. A procedure for the investigation of unconscio... | 18,701 | medmcqa_train |
True about “MACH BAND” is/are: | Incipient occlusal lesions are usually not detected on the radiograph unless the lesion has reached the dentine. The only change which may sometimes be detected is a fine grey shadow just below the DT junction. However, a similar but usually less broad shadow is frequently apparent on the image of the unaffected teeth ... | 18,702 | medmcqa_train |
Mirabegron is a: | Mirabegron is a beta 3 agonist. It is indicated in overactive bladder because Beta 3 receptor stimulation relaxes the bladder. Beta 3 receptor are also present on adipose tissue and cause lipolysis. So, beta 3 agonist can be used as anti-obesity drugs but are not approved yet. | 18,703 | medmcqa_train |
What will be the PA O2 when FiO2 is 0.5? | FiO2 = fraction of O2 in inspired = 50% Pressure at sea level = 760 mm Hg According to law to paial pressures of gases, Pressures exeed by a gas in a mixture is propoional : if 50% of air is O2 PAO2 = 50 % of 760 = 380 mm Hg. | 18,704 | medmcqa_train |
Hassall's corpuscles are found in- | Ans. is 'd' i.e., Thymus o The dominant feature of medulla of thymus is its epithelial components, which are onion like structures called Hassall's Corpuscles, which have an intensely eosinophilic core of dead material, | 18,705 | medmcqa_train |
True about iron deficiency anemia in children | Iron absorption takes place in proximal small intestine,cow milk contain more iron than breast milk. In IDA serum ferritin depleted first. Reference: Ghai essential of pediatrics, eighth edition, p.no:334 | 18,706 | medmcqa_train |
'Le facies sympathique' is a condition seen in cases of: | Le facies Sympathique is Seen in hangingQ***. One of the surest sign of ante moem hangingQ. Compression of sympathetic chain by the knot of rope. Results in ipsilateral dilatation of the pupil and paial opening of the eyelids. | 18,707 | medmcqa_train |
Which of the following enzyme require NAD as a cofactor? | a-Ketoglutarate dehydrogenase catalyse the oxidative decarboxylation of alpha ketoglutarate into succinyl CoA. It requires cofactors such as NAD, FAD, lipoic acid, TPP, CoASH and Magnesium. Some of the enzymes requiring NAD are: Lactate dehydrogenase Glyceraldehyde 3 phosphate dehydrogenase Pyruvate dehydrogenase Beta ... | 18,708 | medmcqa_train |
Agent which on addition to a colony inhibits its growth and on removal the colony regrows is - | They prevent the multiplication of bacteria but however they remain alive. Few antibiotics such as tetracycline,sulphomethoxazole REF:Textbook of microbiology, Ananthanarayan and Paniker. Page no.: 28 Tara textbook of pharmacology | 18,709 | medmcqa_train |
Which of the following is not a classic symptom associated with delirium tremens? | Vivid hallucinations, Clouding of consciousness and Vivid hallucinations are the classic triad of symptoms of delirium tremens. The symptoms peak at 72-96 hours (3-4 days). Death occurs in 5% of the cases. Autonomic disturbance, ataxia, insomnia, poor attention span, insomnia and dehydration are also symptoms of DT. Co... | 18,710 | medmcqa_train |
Breast milk during 1st day is called - | BREAST-FEEDING Breast-feeding should be initiated within an hour of bih instead of waiting several hours as is often customary. Although there is little milk at that time, it helps to establish feeding and a close mother-child relationship, known as "bonding". The first milk which is called "colostrum" is the most suit... | 18,711 | medmcqa_train |
Following is true about inverse agonist ? | Ans. is 'd' i.e., Affinity + Intrinsic activity - Receptors are specific binding site with functional correlate. In relation to action through receptors, two terms are impoant. | 18,712 | medmcqa_train |
All of the following are true regarding vancomycin except: September 2009 | Ans. B: Poorly distributed in the body fluids Vancomycin undergoes limited absorption when administered orally and is therefore restricted to parenteral administration for the treatment of systemic infections. It is distributed widely to various tissues and body fluids. Penetration of vancomycin may vary by site and co... | 18,713 | medmcqa_train |
A 36-year-old G2P1 woman at 24 weeks gestation is noted to have fatigue of 4 weeks duration. Her hemoglobin level is 8.0 g/ dL, leukocyte count is 2.0 cells/ uL, and platelet count is 20,000/ uL. Which of the following is the most likely diagnosis | Pancytopenia, a reduction in the number of RBCs, WBCs, and platelets circulating throughout the body, suggests a bone marrow process. None of the other answer choices involve low leukocyte counts (leucopenia). Low platelets (thrombocytopenia) may also be a manifestation of severe preeclampsia, and is pa of the criteria... | 18,714 | medmcqa_train |
Earliest ophthalmic finding in Diabetes mellitus retinopathy | (Microaneurysm) (260- Khurana 4th) (295-P)Microaneurysms in the macular area (The earliest detectable lesions)Ophthalmic features of Non proliferative diabetic retinopathy* Micro aneurysm (Earliest detactable lesions)* Retinal haemorrhages both deep {dot and blot haemorrhages) and superficial haemorrhages {flame-shaped... | 18,715 | medmcqa_train |
The prevalence of Candida glabrata infection is found to be 80% in a population of 100. If the test is repeated for 95% confidence levels, then what will be the range of prevalence for the Candida glabrata infection? | The range obtained by repeating a test is given by the formula: p ± 2 √p (100-p) / n
where,
p = prevalence of the study as established from previous studies n = sample size used for the present study
In this particular example, p = 80
n = 100.
Hence, the range estimated would be = 80 ± 2 √80 (100-80) / 100
80 ± 2 x 4
... | 18,716 | medmcqa_train |
The antibacterial substance present in the tears is: | Ans. All of the above | 18,717 | medmcqa_train |
Prions are best killed by - | Ans. is 'c' i.e., Sodium hydroxide o Incineration is apparently the only way of disinfecting prion-contaminated materials or tissues,o Boiling or irradiation have no effect and even routine autoclaving (at 1210C) is not reliable. Therefore, where there is a risk of exposure, surgeons use disposable instruments.o To ste... | 18,718 | medmcqa_train |
All are risk factors for Ca breast EXCEPT - | Ans. is 'd' i.e., Multiparity o Has been explained in previous sessions | 18,719 | medmcqa_train |
Pterygomaxillary seal is: | PPS area can be divided into 2 regions:
Pterygomaxillary seal is the part of the PPS, that extends across the hamular notch and it extends 3-4mm anterolaterally to end in the mucogingival junction on the posterior part of the maxillary ridge.
Posterior palatal seal is the part of the PPS, that extends between the two ... | 18,720 | medmcqa_train |
Pancreatic pseudocyst is made up of? | A pseudocyst is a collection of amylase-rich fluid enclosed in a wall of fibrous or granulation tissue Bailey & Love ,26th,1133. | 18,721 | medmcqa_train |
Best investigation modality for gallbladder | USG is the investigation of choice for Calculous cholecystitis Chronic cholecystitis Cholelithiasis Ref: Sabiston 20th edition Pgno : 1487 | 18,722 | medmcqa_train |
Astasia-Abasia is seen in | (C) Hysterical conversion disorder # Dissociative Motor Disorders> Motor disturbance usually involves either paralysis or abnormal movements.> 'Abnormal movements' range from tremors, choreiform movements, gait disturbances to convulsive movements.> These movements either occur or increase when attention is directed to... | 18,723 | medmcqa_train |
Leucocyte ALP>13 is seen in all except - | Leukocyte alkaline phosphatase (LAP) is found within mature WBC. White blood cell levels of LAP can help in the diagnosis of ceain conditions. Higher levels are seen in the physiological response, the leukemoid reaction, and in pathologies that include mature white blood cells, such as polycythemia vera (PV), essential... | 18,724 | medmcqa_train |
A 25 year old female presents with a lower abdominal mass which shows a well-formed tooth on plain x-ray. The lesion is most likely to be which of the following? | Well-formed teeth are commonly seen in mature cystic teratoma and not in any of the other lesions. | 18,725 | medmcqa_train |
Mass treatment with azithromycin is indicated if prevalence of trachoma follicles (TE) in 1-9 years population is more than | D i.e. 10% | 18,726 | medmcqa_train |
Drug of choice for Prophylaxis against Diphtheria is | Control of Diphtheria Prophylaxis of Diphtheria Erythromycin Non-immunized contacts Prophylactic Penicillin/Erythromycin + 1000-2000 units antitoxin + active immunization DOC for carriers Erythromycin DOC for cases Penicillin/Erythromycin (given along with anti-toxin) | 18,727 | medmcqa_train |
Earliest manifestation of diabetic retinopathy is | D i.e. Microaneurysm Microaneurysms are located in the inner nuclear layer and are the earliest and most characteristic ocular lesion Q of diabetic retinopathy. | 18,728 | medmcqa_train |
Hyoid bone is closely associated with | Hyoid bone is closely associated with the thyroglossal tract from which thyroglossal cyst & fistula originate, thus during surgical excision of the thyroglossal cyst or fistula, the central pa of the hyoid bone is excised (otherwise recurrence may occur). Ref : Bailey Love 25/e p730 | 18,729 | medmcqa_train |
Which of the following is true of propylthiouracil? | Ans. is 'd' i.e., It blocks thyroxine synthesis o Propylthiouracil blocks thyroxine synthesis by inhibiting thyroid peroxidase, and preventing oxidation of iodide/ iodotyrosyl residues, there by Inhibit iodination of tyrosine residue in thyroglobulin. Inhibit coupling of MIT and DIT to form T3 & T4. o Propylthiouracil ... | 18,730 | medmcqa_train |
All of the following statements about Parvovirus B-19 are true except- | parvo virus cause aplastic&severe anemia.it is a sdDNA virus REF:ANATHANARAYANAN MICROBIOLOGY NINTH EDITION PAGE.554 | 18,731 | medmcqa_train |
Which one of the following biochemical parameters is most sensitive to detect open Spina bifida ? | Spina bifida is defined as a defect in the neural arch ,which results in exposure of the contents of the neural canal.This cause exposure of acetyl cholinesterase which can be detected in the amniotic fluid. Refer page no 487 of Text book of obstetrics ,sheila balakrishnan 2nd edition. | 18,732 | medmcqa_train |
Endolymph is secreted by: | The stria vascularis, a complex epithelial structure composed of various cell types, produces endolymph and releases it into the cochlea. The basal and marginal cells are true epithelial cells, whereas the intermediate cells are 'melanocyte-like'. | 18,733 | medmcqa_train |
Km of an enzyme is: | Ans. C. The substrate concentration that produces half maximum velocityThe substrate concentration that produces half maximal velocity (v termed the K value or Michaelis constant) | 18,734 | medmcqa_train |
Chepuwa is: NEET 15 | Ans. Compressing the thigh after putting between two rods | 18,735 | medmcqa_train |
TRUE/FALSE regarding blood supply of facial nerve is/are: 1. Ascending Pharyngeal aery 2. Greater palatine aery 3. Middle meningeal aery 4. Labyrinthine branch of ethmoidal aery 5. Stylomastoid branch of occipital aery | Blood supply of facial nerve: Aerial supply: In Canal: 1. Superficial petrosal (branch of middle meningeal aery) 2. Stylomastoid (branch of posterior auricular or occipital aery) Extracranially: 1. Stylomastoid (branch of posterior auricular or occipital aery) 2. Superficial temporal, transverse facial and tympanic (br... | 18,736 | medmcqa_train |
Minimum age to give consent for organ donation for therapeutic purposes: DNB 09 | Ans. 18 years | 18,737 | medmcqa_train |
Solvent used in varnish is/are: | Varnish—A material for application to the floor of a prepared cavity; a solution of natural gum, synthetic resins or resins dissolved in volatile solvent, such as acetone, ether or chloroform; not necessarily a cement.
Phillip's science of dental material 12th edition page 309 | 18,738 | medmcqa_train |
All of the following can cause Pulseless electrical activity except | Pulseless electrical activityis a very disconceing medical scenario with a very high moality unless its aetiology can be quickly asceained and corrected. Treatment involve staing CPR immediately and administering 1 mg epinephrine IV mnemonic to remember the differentcauses of pulseless electrical activityis: MAD (tripl... | 18,739 | medmcqa_train |
Penile erection is due to:- | Penile erection is associated with sexual arousal caused by sexually related psychic and/or physical stimuli. During sexual arousal, impulses from the genitalia, together with signals emanating from the limbic system, elicit motor impulses in the spinal cord. The sacral parasympathetic fibers convey these impulses from... | 18,740 | medmcqa_train |
One of the following in adult female genital tract is not affected by gonococcal infections : | Vagina | 18,741 | medmcqa_train |
Electrons in electron transpo chain travel from: | Electrons in electron transpo chain travel from low redox potential to high redox potential. Redox potential is the tendency to gain electrons. In ETC, NADH has minimum R.P. (a Strong Electron Donor) and oxygen(O2)has maximum R.P. (a Strong Electron Acceptor). | 18,742 | medmcqa_train |
Which of the following drugs are belived to be effective in the treatment of post-operative shivering! | Ans. is 'c' i.e., Pethidine o Pethidine is most effective drug for treatment of PAS (Post-anaesthesia shivering). o Other drugs used are --clonidine, doxapram, ketanserin, alfentonil, butorphanol, chlorpromazine. | 18,743 | medmcqa_train |
Most common cause of pseudopancreatic cyst in children is - | Pancreatic pseudocyst follows acute attack of pancreatitis and trauma is the most common cause of acute pancreatitis in children.
Most common causes of acute pancreatitis in children include:
Blunt abdominal injuries,
Mumps and other viral illnesses
Congenital anomolies | 18,744 | medmcqa_train |
True about macula lutea is: | Near the centre of the retina there is a region 5-6 mm in diameter, which contains the macula lutea, an elliptical yellowish area, 2 mm horizontally and 1 mm veically. Its colour is due to the presence of xanthophyll derivatives. The macula lutea contains a central depression, the fovea centralis or foveola, with a dia... | 18,745 | medmcqa_train |
Which of the following is true about medulloblastoma? | The tumor occurs predominantly in children and exclusively in cerebellum (infratentorial tumor). Histopathological hallmark is Homer-Wright rosettes. Mitoses are abundant, and markers of cellular proliferation, such as Ki-67, are positive in a high percentage of the cells. Dissemination of tumor occurs through CSF givi... | 18,746 | medmcqa_train |
A 30 year old man presents to the emergency department after traumatic amputation below his left knee, and has sustaine head injury following road traffic accident. There is ongoing blood loss despite applying tourniquet to left thigh, which is estimated to be around 1-1.5 liters. Ct head shows haemorrhage with midline... | In this case scenario surgery is the only option for survival –so ASA 5E. | 18,747 | medmcqa_train |
Pointing finger injury is due to injury of which nerve? | Ans. C Median nerveRef: BDC, 6th ed. vol. I pg. 126-127, Vol-1 pg. 109,159; Clinical anatomy, Vishram Singh/58* Median nerve is the main nerve of the front of the forearm. It also supplies the muscles of thenar eminence.* Median nerve aka laborer's nerve as it supplies most of the long muscles of the front of forearm.E... | 18,748 | medmcqa_train |
A new born with meningomyelocele has been posted for surgery. The defect should be immediately covered with:- | Meningomyelocele should be covered with a non-sticking sterile saline soaked guaze and plastic shield wrap to maintain moisture. | 18,749 | medmcqa_train |
A 35-year-old hypertension patient has the following CXR in annual medical checkup. What does it show? | Ans. C. Coarctation of aortaNotice the following radiographic features:a. Normal vascularityb. Cardiomegalyc. Left ventricular prominenced. "3" sign; formed by pre-stenotic dilatation of aortic arch, indentation at the site of coarctation and post stenotic dilatation of descending Aorta. | 18,750 | medmcqa_train |
Common carotid aery is palpated at? | A i.e. Upper border of cricoid cailage | 18,751 | medmcqa_train |
To record the angulation of the maxilla, a plane should be formed with minimum: | To record the angulation of the maxilla, a plane should be formed with at least two posterior references and one anterior reference. | 18,752 | medmcqa_train |
To diagnose well being of fetus. most reliable method : | Ultrasound | 18,753 | medmcqa_train |
Which of the following is the drug of choice for absence seizure- | Ans. is 'b' i.e., Valproate o The first line druss for absence seizures includes Valproic acid and Ethosuxamide.Selection of antiepileptic DrugsGeneralized-onsetTonic-clonicFocalTypicalAbsenceAtypical Absence, Myoclonic AtonicFirst lineValproic acidLamotrigineTopiramateLamotrigineCarbamazepineOxcarbazepinePhenytoinLeve... | 18,754 | medmcqa_train |
A 50 year old lady presented with history of pain upper abdomen, nausea, and decreased appetite for 5 days. She had undergone cholecystectomy 2 years back- Her bilirubin was 10 mg/dl, SGOT 900 lU/L SGPT 700 lU/L and scrum alkaline phosphatase was 280 lU/L. What is the most likely diagnosis | Viral hepatitis This must be considered in anyone presenting with hepatitic liver blood tests (high transaminases). All these viruses cause illnesses that have similar clinical and pathological features and are frequently anicteric or even asymptomatic. They differ in their tendency to cause acute and chronic infection... | 18,755 | medmcqa_train |
All are common causes of a pyogenic liver abscess Except | E. coli- MC in western countriesKlebsiella pneumonia- MC in Asian countriesStaphylococcus- MC in children, suffering from a chronic granulomatous disease | 18,756 | medmcqa_train |
Which of the following change is observed following neonatal thymectomy? | T lymphocytes are selectively seeded into ceain sites in the peripheral lymphatic tissues, such as white pulp of the spleen, around the central aerioles and in the paracoical areas of lymph nodes. These regions have been termed as thymus dependent regions as they are depleted after neonatal thymectomy. Secondary to thy... | 18,757 | medmcqa_train |
Which of the following is the selective media for vibrio? | Vibrios are curved, Gram-negative rods commonly found in saltwater. Cells may be linked end to end, forming S shapes and spirals. They are highly motile with a single polar flagellum, non-spore-forming, and oxidase-positive, and they can grow under aerobic or anaerobic conditions. The cell envelope structure is similar... | 18,758 | medmcqa_train |
Which of the following drug does not trigger malignant hypehermia | Halogenated inhalational anaesthetic agents and succinylcholine can trigger malignant hypehermia. Malignant hypehermia is a genetic(autosomal dominant) hypermetabolic muscle disease. Triggering agents include Inhaled general anesthetics Ether Halothane Methoxyflurane Enflurane Isoflurane Desflurane Sevoflurane Depolari... | 18,759 | medmcqa_train |
Disability was added in census from which year- | First disability census was taken in 1981 | 18,760 | medmcqa_train |
Which of the following hepatitis virus have significant perinatal transmission | Hepatitis -B Mother To Child Transmission (MTCT) is 90% when mother is HBsAg and HBeAg Positive Veical transmission is 10% in mother with negative HBe Ag | 18,761 | medmcqa_train |
Which of the following is active in dephosphorylated state? | Glycogen Synthase is enzyme of Glycogen Synthesis, which is an Anabolic pathway. So this enzyme is active in Dephosphorylated state. Rest all enzymes are involved in Catabolic pathways, so they are active in Phosphorylated state. Pyruvate Carboxylase is involved in Gluconeogenesis, which is a Catabolic pathway. Glycoge... | 18,762 | medmcqa_train |
CT view in paranasal polyp is | Both coronal and axial view are used, but coronal views are best to study paranasal sinus polypsRef: PL Dhingra, Diseases of Ear, Nose & Throat, 7th edition, pg no. 217 - 218 | 18,763 | medmcqa_train |
Tumour arising from diaphysis - | Ans-B | 18,764 | medmcqa_train |
What is false about mafenide acetate? | Cerium nitrate has Immunodulatory action. | 18,765 | medmcqa_train |
Which of the following is a metabolite of prodrug Carisoprodol | Meprobamate [Ref. Katzung 10th/e p. 439, Goodman & Gilman 10th/e p. 4221 "Carisoprodol a skeletal relaxant whose active metabolite meprobamate has abuse potential and has become popular street drug". Carisoprodol -Centrally acting muscle relaxant that does not directly relax tense skeletal muscles in man. - The mode of... | 18,766 | medmcqa_train |
The size beyond which the risk of rupture of an abdominal aneurysm significantly increases is greater than - | Ans. is 'a' i.e., 5.5 cm o Factor most closely associated with the risk of rupture of the abdominal aortic aneurysm is size of aneurysm (i.e. size > 5.5 cm) | 18,767 | medmcqa_train |
All are true regarding 'Positive health' in today's world except:- | Concept of Positive Health: Perfect functioning of body and mind. Conceptualize health biologically, psychologically and socially. Depends on economic, social and cultural factors. Positive health remains a mirage due to constant change. - Hence option-4 is the answer. | 18,768 | medmcqa_train |
True about ASD – | Hemodynamics ofASD
There is abnormal connection between left and right atrium, which is due to defect in atrial septum (not a patent foramen ovale).
Blood flows from left atrium to right atrium because left atrium has slightly higher pressure than right atrium → Left to right shunt.
Becau... | 18,769 | medmcqa_train |
Which is not true about Down's syndrome - | Ans. is 'b' i.e., Decreased nuchal fold thickness o Nuchal fold thickness is increased in Down's Syndrome (not decreased). Infact this feature is used in suspecting the diagnosis of Down's Syndrome prenataly. DOWN'S SYNDROME o Down's syndrome is a condition in which extra genetic material causes delay in the way a chil... | 18,770 | medmcqa_train |
Role of somatomedin in fat metabolism | Antilipolytic
Like insulin, somatomedin (also called insulin-like growth factor) has antilipolytic effect. | 18,771 | medmcqa_train |
Cornea is lined by -- | Cornea and conjunctiva are lined by stratified squamous nonkeratinized epithelium. | 18,772 | medmcqa_train |
Nitric oxide is produced in | Nitric oxide is formed from Arginine, released from endothelial cells and acts through cGMP to cause vasodilation.
It is also believed to be involved in gastrointestinal smooth muscle relaxation by acting as a neurotransmitter. | 18,773 | medmcqa_train |
The drug of choice for prevention of seizures in a patient with severe preeclampsia is - | Ans. is 'b' i.e., Magnesium sulphate o Prevention of seizures in severe pre-eclampsia and treatment of seizures in eclampsia is done by magnesium sulphate. | 18,774 | medmcqa_train |
Kviem siltzbach test is is used in diagnosis of | The Kviem-Siltzbach procedure is a specificdiagnostic test for sarcoidosis. An intradermalinjection of specially prepared tissue derived from the spleen of a known sarcoidosis patient is biopsied 4-6 weeks after injection. Ref Harrison 19th edition pg 2210 | 18,775 | medmcqa_train |
N Acetyl Cysteine replenishes: | Ans. A. GlutathioneThe active part of both Glutathione and N Acetyl Cysteine is Sulfhydryl group of Cysteine. So N Acetyl Cysteine replenishes Glutathione. | 18,776 | medmcqa_train |
Periampullary region carcinoids are characteristically seen in: | Von Recklinghausen's disease patients develop an upper GI carcinoid tumor, characteristically in the periampullary region (54%). They contain somatostatin immunocytochemically. Reference: Harrisons Principles of Internal Medicine, 18th Edition, Page 3060 | 18,777 | medmcqa_train |
The commonest hepatotropic virus causing increased chronic carrier state is | Ans. is 'd' i.e.,. HCV Most common hepatitis to progress to chronicity is Hepatitis (G). . HCV =It's major feature, however, is its propensity to cause chronic hepatitis in more than 80% of those infected Clinical and epidemiologic features of viral hepatitis Features HAV HBV HCV HDV HEV * Incubation (days)* 15-45 30-1... | 18,778 | medmcqa_train |
POEMS syndrome includes all except- | POEMS syndrome consists of polyneuropathy, organomegaly, endocrinopathy, multiple myeloma(monoclonal gammopathy)& skin changes.Reference :Harsh mohan textbook of pathology sixth edition pg no 383. | 18,779 | medmcqa_train |
Purest water is | Rainwater by nature is purest and soft. it gets contaminated when passing through the atmosphere by dust and microorganisms Park's Textbook of Preventive and Social Medicine, 25th edition, Page No. 767 | 18,780 | medmcqa_train |
Which of the following is the insertion of the shown muscle? | Ans. A Radial tuberosityRef: Gray's Anatomy 41st ed. P 824* The shown muscle in the image is biceps brachii.* It has two proximal heads (hence the name). Their attachments are:# Short head: Tip of coracoid process# Long head: Supraglenoid tubercle of scapula* Insertion:# Radial tuberosity and fascia of forearm via bici... | 18,781 | medmcqa_train |
Which nerve is compressed in carpal tunnel syndrome ? | Ans. is 'a' i.e., Median nerve | 18,782 | medmcqa_train |
What is the treatment of Barrett's Esophagus | Answer- A. Endoscopy and biopsy at regular intervalsTreatment of Barrett's esophagus is same as for reflux esophagitis Conservative (antacids, H2 blocking agents, elevation oJthe head of bed, and avoidance of smoking and alcohol etc. ) and Anti-reflux surgery (Nissen's fundoplication is anti-reflux procedure of choice)... | 18,783 | medmcqa_train |
Commonly used Rodenticide is - | Commonly used rodenticides: Barium carbonate Zinc phosphide Warfarin, diphacinone, coumafuryl, and pindone in multiple doses Park's Textbook of Preventive and Social Medicine, 25th Edition, Pg 847 | 18,784 | medmcqa_train |
Midgut derivatives are supplied by? | Midgut comprises the poion of the alimentary canal from the end of the foregut at the opening of the bile duct (major duodenal papillae) to the hindgut, about two-thirds of the way through the transverse colon. * superior mesenteric aery, an unpaired ventral branch of abdominal aoa, is the aery of midgut * inferior mes... | 18,785 | medmcqa_train |
The drug which reduces the size of myoma include- | GnRH analogues used for 6months reduces the tumour size by 50-80%. This treatment in premenopausal women, young women and infeility caused by cornual fibroid eliminates the need for surgery. RU 486(Mifepristone) 10-25mg daily for 3months causes amenorrhoea and shrinkage of tumour by 50%. Danazol 400-800mg daily for 3-6... | 18,786 | medmcqa_train |
A 20-year-old man presents with repeated episodes of haematemesis. There is no history of jaundice or liver decompensation. On examination, the significant findings include moderate splenomegaly and presence of oesophagal varices. There is no ascites or peptic ulceration. The liver function tests are normal. What is th... | CAROLI'S DISEASE is congenital, nonfamilial, multiple, irregular, dilatation of the intrahepatic ducts with stenotic segments in between. It is associated with congenital hepatic fibrosis and medullary sponge kidney. * It can also be included under type V choledochal cyst.it is a hepatic cause of poal hypeension. ref: ... | 18,787 | medmcqa_train |
40 years male with spherophakia is at risk for developing- | Anterior subluxation or dislocation of lens and spherophakia (congenital small spherical lens )are causes of phacotopic (a variant of phacomorphic) glaucoma.Ref:Comprehensive ophthalmology-AK Khurana 6th edition chapter-10 page no:248 Ref:Comprehensive ophthalmology-AK Khurana 6th edition chapter-10 page no:248 | 18,788 | medmcqa_train |
In type II respiratory failure,there is | Ref Harrison 19 th ed. pg1731-1732 Type II respiratory failure is characterized by decreased paO2 and incresinc paCO2 as a result of alveolar hypoventilation.there is fall in minute ventilation which causes a rise in PaCO2 and fall in PaO2. The alveolar aerial gradient is normal in Type 2 respiratory failure. | 18,789 | medmcqa_train |
Continuous scrutiny of factors that determine the occurence and distribution of disease and other condition of ill health is the definition of: | Diseases under International Surveillance : Louse borne typhus fever Relapsing fever Poliomyelitis Malaria Human influenza Rabies Salmonellosis Monitoring versus Surveillance Monitoring Surveillance Performance and analysis of routine measurements aimed at detecting changes in environment or health status One Time line... | 18,790 | medmcqa_train |
Greening refers to: | Discoloration of the porcelain near the cervical region of the metal-ceramic prosthesis has been reported to occur when a silver-containing alloy is used as the substrate.
Color changes included green, yellow-green, yellow-orange, orange and brown hues.
This discoloration phenomenon has generally been called “greenin... | 18,791 | medmcqa_train |
All of the following are characteristics of the chicken pox rash except - | <p> chicken pox:- Agent-Human alpha herpes virus 3 Primary infection causes chicken pox. Recovery from primary infection is commonly followed by establishment of latent infection in cranial nerves,sensory ganglia, spinal dorsal root ganglia.When the cell mediated immunity wanes,the virus may reactivate in 10-30% cases.... | 18,792 | medmcqa_train |
A 62 year old diabetic female patient presented with history of progressive right-sided weakness of one-month duration. The patient was also having speech dificulty. Fudus examination showed papilledema. Two months ago, she also had a fall in her bathroom and struck her head against a wall. The most likely clinical dia... | Answer is D (Left chronic subdural hematoma): The presence of progressive hemiparesis and aphasias together with signs of raised ICT (papilloedema) in an elderly patient, developing weeks after sustaining a mild head injury is characteristic of chronic subdural hematoma. | 18,793 | medmcqa_train |
A farmer from Himachal Pradesh present with inguinal lymphadenopathy. On examination multiple small ulcers are seen in leg. Which of the following stain would you prefer for bipolar staining of etiologic agents of this case? | Ans. (c) Wayson's This is a case of bubonic plague Why? The geographical Area - Himachal Pradesh which is one of the foci of plague in India Other are: Kolar at the trijunction of AP, TN, Karnataka Beed - Latur belt in Maharashtra Small pocket in Uttaranchal Clinical Presentation of Patient Enlarged tender inguinal lym... | 18,794 | medmcqa_train |
Which of the following is NOT done by insulin? | Insulin prevents or decreases ketogenesis. It doesnot increase ketogenesis so this is the right choice. Rest all process is done by Insulin. Also Know: Effect of Insulin on various tissues: Adipose tissue: Increased glucose entry Increased fatty acid synthesis Increased glycerol phosphate synthesis Increased triglyceri... | 18,795 | medmcqa_train |
In CNS, myelin sheath of Neurons is formed by: | ANSWER (B) Oligodendroglia cellsREF: Basic histology, Carlos & Jose, 11th edition, Chapter 9. Nerve Tissue 8c the Nervous SystemThe myelin sheath is produced by oligodendrocytes in the central nervous system and by Schwann cells in the peripheral nervous system. | 18,796 | medmcqa_train |
Dantrolene sodium reduces skeletal muscle tone by: | * Dantrolene is the drug of choice for the treatment of malignant hypehermia and neuroleptic malignant syndrome. * It acts as an antagonist of Ryanodine receptors (present on smooth endoplasmic reticulum). It inhibits the release of Ca2+ from sarcoplasmic reticulum in the muscle fibre. | 18,797 | medmcqa_train |
A 35 year old man feels that he is about to die because he is suffering from gastric cancer. All his radiological investigations prove the contrary. Which is the most probable diagnosis? | Hypochondriasis (Illness anxiety disorder - DSM-5) Severe persistent anxiety about ill health and conviction of disease, with repeated presentation of concern about the possibility of one or more specific diseases (such as cancer, hea disease), despite negative medical investigations and appropriate reassurance. Somati... | 18,798 | medmcqa_train |
Most common cause of post-partum haemorrhage is : | Ans. is 'a' Uterine atony Causes of Post mortem hemorrhageAtonic uterus (80%)*Grand multipara *Overdistension of uterus*Malnutrition and anemia *APH*Prolonged labour*AnaesthesiaDelivery with aid of oxytocinPersistent uterine distensionMalformation of uterusUterine fibroid*Mismanaged 3n^ stage of labourConstriction ring... | 18,799 | medmcqa_train |
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