query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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Terminal stage of pneumonia is ? | Ans. is 'd' i.e., Resolution | 154,600 | medmcqa_train |
T.T.K.G >8 is seen in all except: | Transtubular potassium gradient > 8 is associated with hyperkalemia. Choices 1, 2, 3 lead to hyperkalemia. Choices 1 and 2 lead to kidney damage. Choice 3 due to aldosterone deficiency leads to potassium excess due to inability to loose potassium the collecting duct. Cushing syndrome has excess of coisol, which stimula... | 154,601 | medmcqa_train |
Endophenotypic markers of schizophrenia include all except? | Endophenotypic markers of schizophrenia include: Oculomotor abnormalities Smooth pursuit eye movement alterations Saccadic eye movement disinhibition Prepulse inhibition(PPI) of stale response paradigms Deficits in sensorimotor gating, measured with electroencephalography-based event-related potential (ERP): standardau... | 154,602 | medmcqa_train |
Retraction of scapula is by: | Ans. B. Middle fibres of trapeziusThe trapezius is a large paired surface muscle that extends longitudinally from the occipital bone to the lower thoracic vertebrae of the spine and laterally to the spine of the scapula.The trapezius has three functional parts: The upper fibers elevate the scapulae, the middle fibers r... | 154,603 | medmcqa_train |
All of the following are the clinical feature of thromboangitis obliterence, EXCEPT: | Clinical features of Thromboangiitis obliterans includes a triad of claudication of the affected extremity, Raynaud's phenomenon, and migratory superficial vein thrombophlebitis. The physical examination shows normal brachial and popliteal pulses, but reduced or absent radial, ulnar, and/or tibial pulses. Claudication ... | 154,604 | medmcqa_train |
This serum immunoglobulin constitutes 80% of immunoglobulins in our body is | 80% of immunoglobulins in our body is IgG -major ig Half-life is 23 days Transpoed through placenta Ref: Text book of Microbiology Baveja 5th ed Pg 99 | 154,605 | medmcqa_train |
Which is the largest pathogenic bacillus ? | Ans: D (Bacillius anthracis) Ref: Ananthnarayan R. Paniker CKJ. Textbook of Microbiology. 8th Edition. Hyderabad: Universities Press; 2009. Pg. 242Explanation:Bacillus anthracisConsiderable historical interest is attached to the anthrax bacillus.First pathogenic bacterium to be observed under the microscopeFirst commun... | 154,606 | medmcqa_train |
Adenoidectomy with Grommet insertion is treatment of choice for: | Ans. (b) Serous otitis media in childrenRef: Dhingra 5th edp. 71-72* Serous otitis media is also known as Glue ear.* It is an insidious condition characterized by accumulation of non-purulent effusion in the middle ear cleft.* One of common causes of serous otitis media (Glue ear) in children is blockage of Eustachian ... | 154,607 | medmcqa_train |
Sodium fluoride inhibits which enzyme in Glycolysis | Inhibitors
Enzyme Inhibited
Iodoacetate
Glyceraldehyde 3 phosphate dehydrogenase
Arsenate
1,3 BPG Kinase
Sodium fluoride
Enolase. | 154,608 | medmcqa_train |
A Toddler has few drops of blood coming out of rectum. Probable diagnosis is | Ans is 'a' i.e. Juvenile Rectal Polyp "The aetiology and management of rectal bleeding depends on the age of the child, the type and quantity of bleeding and the associated symptoms. Unlike adults, malignancy is exceptionally rare. In infants, an anal fissure, necrotizing enterocolitis, intussusception and allergic ent... | 154,609 | medmcqa_train |
Inferior thyroid aery arises from : | B i.e. Thyrocervical Trunk of 1't pa of subclan aery | 154,610 | medmcqa_train |
Most common site a spontaneous rupture of esophagus is | MC site: left posterolateral side of the distal esophagus | 154,611 | medmcqa_train |
A child is born with a single functional copy of a TSG. At the age of 5, the remaining normal allele is lost through mutation. As a result, the ability to control transition from G1 to S phase of cell cycle is lost. Which neoplasm is mot likely to arise in this child? | . | 154,612 | medmcqa_train |
The end product of one stage fermentation is ? | D i.e. EthanolAerobic glycolysis in cells with mitochondria & adequate oxygen supply PyruvateQ is the end product and NADH enters oxidative phosphorylation for ATP productionAnaerobic glycolysis in cells that lack mitochondria (eg RBCs) or deprived of sufficient 0, LactateQ is the end product as NADH formed in glycolys... | 154,613 | medmcqa_train |
Name the incision | This is Chevron incision or roof-top incision or bilateral subcostal incision. Used in PancreaticoduodenectomyKochers is right subcostal incision, for open cholecystectomyLanz incision used in appendicitisMaylard for pelvic surgeries, rectus muscle is cut in this | 154,614 | medmcqa_train |
All of the following take pa in the pathogenesis of CME in diabetic retinopathy except: | A i.e., Retinal pigment epithelial (RPE) dysfunction | 154,615 | medmcqa_train |
Which of the following organism can cause acalculous cholecystitis? | Precipitating factors for acalculous cholecystitis are vasculitis, obstructing adenocarcinoma of the gallbladder, diabetes mellitus, torsion of the gallbladder, "unusual" bacterial infections of the gallbladder (e.g., Leptospira, Streptococcus, Salmonella, or Vibrio cholerae). Reference: Harrisons Principles of Interna... | 154,616 | medmcqa_train |
Increased density in skull vault is seen in -a) Hyperparathyroidismb) Multiple myelomac) Fluorosisd) Renal osteodystrophy | All the causes of generalized increased in bone density can cause increased density of skull vault — Practical imaging 2nd /e 73
Fluorosis and secondary hyperparathyroidism (renal osteodystrophy) cause increased density of skull vault. | 154,617 | medmcqa_train |
Which one of the following is a rare complication of the use of hormonal contraceptives - | Adverse affects of combined Oral contraceptive pills (OCP'S) 1. Cardiovascular effects (Due to oestrogenic component) Myocardial infarction Cerebral thrombosis Venous thrombosis (with or without pulmonary embolism) Hypeension 2. Carcinogenesis Cervical cancer (increased risk). Breast cancer. 3. Metabolic effects (Due t... | 154,618 | medmcqa_train |
Number of Golgi tendon organs per 100 extrafusal muscle fibres | About 1 golgi tendon organ is responsible for 10 to 20 extrafusal fibers Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:689 | 154,619 | medmcqa_train |
Remote after Loading is done is? | Remote afterloading is done in Brachytherapy in which the system automatically administer a radioisotope directly to cancerous tissue, thereby minimizing the radiation dose to surrounding tissue and eliminating the radiation exposure to hospital staff. In brachytherapy, a radioisotope is placed onto or inside the patie... | 154,620 | medmcqa_train |
Which of the following anticoagulant is safest in pregnancy? | Oral anticoagulants like warfarin, phenindione and dicumarol can cross placenta and produce teratogenicity if used during pregnancy. Heparin does not cross placenta and is safe in pregnancy. | 154,621 | medmcqa_train |
Specific stain for myeloblasts is ? | Ans. is 'c' i.e., MyeloperoxidaseMyeloperoxidase stainDistinguishes between the immature cells in acute myeloblastic leukemia (cells stain positive) and those in acute lymphoblastic leukemia (cells stain negative).Sudan black B stainThis stain distinguishes between acute lymphoblastic leukemia (cells stain positive) an... | 154,622 | medmcqa_train |
Interventional study is used for:- | CLASSIFICATION OF EPIDEMIOLOGICAL STUDIES: 1. OBSERVATIONAL STUDIES: - Descriptive studies - Hypothesis formation is done - Analytical studies - Hypothesis testing is done by coho study/ case-control / cross-sectional/ Ecological studies. 2. EXPERIMENTAL/ INTERVENTIONAL STUDIES: - Hypothesis confirmation is done - Done... | 154,623 | medmcqa_train |
Tuohy's needle is used for: | This is tuohy needle used for epidural anaesthesia | 154,624 | medmcqa_train |
A person presented with a tumour at the base of the tongue. What will be the treatment of choice | TONGUE CANCER Management of the neck in early stage oral cavity cancer, including the oral tongue, has been discussed above; however, consideration for elective management of the node-negative neck should be made in all instances. When performing surgical excision of the primary tumour, a 1 cm margin in all planes shou... | 154,625 | medmcqa_train |
A Warthin's tumour is: | Ans. is 'a' i.e. An adenolymphoma of parotid gland Warthin's tumourIt is also called papillary cystadenoma lymphomatosum because, histologically it consists of papillary cystic pattern with marked lymphoid component.Other important characteristics of Warthin's tumour.2nd most common* benign tumour of parotid gland (Ist... | 154,626 | medmcqa_train |
Causative organism for botryomycosis? | S.aureus is the most common agent for botryomycosis. It is a mycetoma-like condition. | 154,627 | medmcqa_train |
Scaphoid fracture is most common in - | Ans. is 'b' i.e., Waist * Most common site of scaphoid fracture is the waist of the scaphoid (70%).* Other sites of fracture are proximal pole (20%), distal body (10%), tuberosity, osteochondral fracture. | 154,628 | medmcqa_train |
Thiopentone in contraindicated in all except - | Thiopentone is an barbiturate and being barbiturate it is enzyme inducers thus can precipitate porphyria But depending on enzyme affected it has been found to be safe in Porphyria cuneata tarda and absolutely contraindicated in Acute intermittent Porphyria. fuher being cardiovascular unstable it is contraindicated in s... | 154,629 | medmcqa_train |
BP tracking means? | Park's textbook of preventive and social medicine 23rd edition. IF blood pressure levels of individuals were followed up over a period of years from early childhood into adult life, then those individuals whose pressure were initially high in the distribution would probably will continue in the same tract as adults. Lo... | 154,630 | medmcqa_train |
In which of the following conditions oxygen delivery is least to muscles? | In person suffering from carbon monoxide poisoning , perfusion to the muscle is least Ref: guyton and hall textbook of medical physiology 12 edition page number:353,354,355 | 154,631 | medmcqa_train |
Sphingomyelinase deficiency is characteristic of? | Ans. D. Niemann Pick diseaseSphingomyelinase deficiency is seen in Niemann Pick disease. The enzymes deficient in the other disease are:a. Fabry disease - alpha galactosidaseb. Krabbe's disease - beta galactosidasec. Tay Sachs disease - Hexosaminidase A | 154,632 | medmcqa_train |
CSF pressure (lumbar) - | A i.e. 70-180 mm CSF | 154,633 | medmcqa_train |
True regarding haemangioma of the spleen: March 2005 | Ans. B: May transforms into a haemangiosarcoma Haemangioma of the spleen is the most common benign tumour of the spleen and may develop into a haemangiosarcoma | 154,634 | medmcqa_train |
Morphine can be used in all the following conditions except: | Ref: KDT 6/e p457 Head injury is an absolute contra- indication to morphine use. Hypothyroidism and asthma are relative contra indication. | 154,635 | medmcqa_train |
Under the RNTCP, for diagnosis of MDR TB, currently drug sensitivity testing is done for: | Presently conventional solid egg-based Lowenstein-Jensen (LJ) media will be used for primary culture at the RNTCP accredited laboratory. DST will be performed for streptomycin (S), isoniazid (H), rifampicin (R) and ethambutol (E) only. Pyrazinamide (Z) sensitivity testing may be included at a later period of DOTS-Plus ... | 154,636 | medmcqa_train |
Cataract is cases of diabetes mellitus is due to accumulation of - | In diabetic cataract the mechanisms are belived to be glycation, carbamylation of crystallins and increased oxidative damage. IMG REF | 154,637 | medmcqa_train |
A pragnant woman is diagnosed to suffering form Grave's disease. The most appropriate therapy for her would be- | The antithyroid drugs like carbimazole, methimazole crosses the placenta (transplacental passage) and produce fetal hypothyroidism and goiter if the maternal dose is excessive. However, oral propylthiouracil would be the most appropriate therapy in early gestation at low doses as its greater protein binding allows less... | 154,638 | medmcqa_train |
Yergason's supination sign is seen in lesion of which muscle? | Bicipital tendinitis, or tenosynovitis, is produced by friction on the tendon of the long head of the biceps as it passes through the bicipital groove. When the inflammation is acute, patients experience anterior shoulder pain that radiates down the biceps into the forearm. Abduction and external rotation of the arm ar... | 154,639 | medmcqa_train |
Loading of dose of a drug primarily depends on: | Ans. A. Volume of distributionLoading dose is dependent on volume of distribution; whereas maintenance dose depends on the clearance.Loading doseMaintenance dose* It is the initial high dose which is given to achieve the desired plasma concentration after saturating (loading) the tissue binding sites.* Just enough drug... | 154,640 | medmcqa_train |
Which of the following is also known as the labourer's nerve? | Median nerve- Labourer’s nerve- involved in coarse movements of hands.
Ulnar nerve- Musician nerve- involved in fine movements of hands. | 154,641 | medmcqa_train |
Which of the ATT drugs is not hepatotoxic? | Ans. is 'd' i.e., Streptomycin Important educational points* First line antitubercular drugs causing hyperuricemia - Ethambutol, pyrazinamide.* Drugs causing peripheral neuropathy - streptomycin, INH, Ethambutol, ethionamide.* Drugs causing hepatitis - INH, rifampicin, pyrazinamide, ethionamide.* Optic neuritis - INH, ... | 154,642 | medmcqa_train |
Free fatty acids in blood are carried by? | Free fatty acids (FFAs)/ Nonesterified (NEFA) fatty acid : Not esterified with fatty acids. Long-chain free fatty acids Transpoed by albumin. Hydrophobic clefts in the albumin binds to albumin. Sho chain fatty acids (butyrate ) More water-soluble Exist as the unionized acid/ fatty acid anion. | 154,643 | medmcqa_train |
What is the function of single strand binding proteins (SSBs) during DNA replication | Option a: Topoisomerases
Option b: DNA polymerases
Option d: DNA ligase. | 154,644 | medmcqa_train |
In normal X-ray of shoulder which is superior most structure - | Ans. is 'c' i.e., Coracoid processo From superior to inferior (important structure on X-ray sholder) Clavicle : Acromian : Coracoid : Superior margin of humeral head : greater tuberc le : anatomical neck : surgical neck. | 154,645 | medmcqa_train |
What is the recommended dose of steroids for attaining fetal lung maturity? | b. Inj Betamethasone 12mg for 2 doses 24 hours apart(Ref: Nelson's 20/e p 852)Inj Betamethasone 12mg IM 2 doses, 24 hrs apart or Inj Dexamethasone 6mg IM every 12 hrs for 4 doses can be used | 154,646 | medmcqa_train |
A male patient suffering from headache, profuse sweating, palpitations and BP.160/110. The drug which will be useful is? | Ans- D Phenoxybenzamine Ref - Practice Essentials A pheochromocytoma (see the image below) is a rare, catecholamine-secreting tumor that may precipitate life-threatening hypertension. The tumor is malignant in 10% of cases but may be cured completely by surgical removal. Although pheochromocytoma has classically been a... | 154,647 | medmcqa_train |
Which of the following antibodies is positive in Primary Biliary cholangitis (PBC) | Anti mitochondrial antibodies are a signature autoantibody of PBC and are detected in sera of 95% patients. | 154,648 | medmcqa_train |
Tretment of pernicious anemia patient with folic acid will improve all except | B 12 resevers will be used up for rbc maturation leaving less of neuronal fuction leading to nerve lesions | 154,649 | medmcqa_train |
Standing increases murmur intensity in | The classic ECG finding in hyperophic obstructive cardiomyopathy is large dagger-like "septal Q waves" in the lateral -- and sometimes inferior -- leads due to the abnormally hyperophied interventricular septum.. Wolff-Parkinson-White, or WPW, syndrome can be associated with HOCM The murmur that is pathognomonic for HC... | 154,650 | medmcqa_train |
All are diagnostic criteria for irritable bowel syndrome except: | The diagnostic criteria for irritable bowel syndrome is - Recurrent abdominal pain or discomfo for at least 3 days per month associated with > 2 or more of the following features - Pain improvement with defecation Onset with change in form / appearance of stool Onset with change in frequency of stool Nocturnal diarrhea... | 154,651 | medmcqa_train |
True about Splenunculi: | Ans. (a) It is encapsulatedRef: Bailey and love, 27th ed; pg. 1178* Splenunculi or Accessory spleen is the most common of all splenic anomalies accounting for 10-30% of population* Formed due to incomplete fusion of embryologic splenic tissue during 5th week leading to the formation of accessory spleen, which is more c... | 154,652 | medmcqa_train |
who gave the concept of saftey needs in the heirachy of motivation | ABRAHAM MASLOW Gave the hierarchy of needs It is also called as hierarchy of motivation According to Maslow the basic needs should be met to move on to the next stage Once the basic step is attained, we work on to the higher stage The final stage is self-actualization, that is acceptance of your positives, negatives, s... | 154,653 | medmcqa_train |
"Snowflakes" cataract is seen | A. (Diabetes) (181 - Khurana 4th)True Diabetic Cataract - It is also called "snow- flake cataract" or "snow storm cataract". It is rare condition usually occurring in young adults due to osmotic overhydration of the lens. Initially a large number of fluid vaccoules appears underneath the anterior and posterior capsules... | 154,654 | medmcqa_train |
A 60-year-old female presented to the OPD with complaints of left jaw pain along with fever. On examination, Poor dentition Area of purulent drainage in the mouth Right sided facial swelling Diffuse mandibular tenderness Medication history includes alendronate and lisinopril. Microscopic examination of the purulent sec... | This is a case of osteonecrosis of jaw which is a risk factor for Actinomyces infection. 1st image shows lesions from bisphosphonate-related osteonecrosis of the jaw at extraction sites of upper central incisors. Microscopy shows chronic inflammatory changes with Sulphur granules. Actinomyces It has propensity to infec... | 154,655 | medmcqa_train |
In a worker engaged in stone breaking with a chisel and hammer, the most common foreign body which can be lodged in his eye is: | Ans. Paicle from the chisel | 154,656 | medmcqa_train |
Drug of choice for primary open angle glaucoma: | Prostaglandin analogues are now the drug of choice for open angle glaucoma and normal tension glaucoma. | 154,657 | medmcqa_train |
Vegetations on undersurface of A.V. valves are found in: | Answer is B (Libman Sacks Endocarditis) Vegetation on under-surface of AV valves are typically seen in Libman Sacks Endocarditis (SLE). | 154,658 | medmcqa_train |
Colopotomy is done to treat - | Ans. is 'b' i.e., Pelvic abscess | 154,659 | medmcqa_train |
Bilateral lymphadenopathy , along with non caseating granulomas is a characteristic feature of | Patients are usually evaluated for possible sarcoidosis based on two scenarios .In the first scenario, a patient may undergo biopsy revealing a noncaseating granuloma in either a pulmonary or an extrapulmonary organ. In the second scenario, signs or symptoms suggesting sarcoidosis such as the presence of bilateral aden... | 154,660 | medmcqa_train |
Treatment of Papillary Ca of Thyroid with bony metastasis | Ans. is 'd' i.e. Near total thyroidectomy with radioiodine & radiotherapy As already mentioned in previous question, Total or Near total thyroidectomy is t/t of choice in PTC and also FTC (except minimally invasive cancer). Radioactive iodine '3'1is used post-operatively to detect and destroy any metastatic disease. It... | 154,661 | medmcqa_train |
In recent memory loss, probable lesion is in | The Neuropsychology of Autobiographical Memory The medial temporal lobe memory system includes the hippocampus formation and the adjacent parahippocampal and perirhinal coices. The hippocampus is not the place where the content of memories is stored, but rather appears to contain a set of neural links to the content, w... | 154,662 | medmcqa_train |
Cranial nerve related to apex of the petrous temporal bone | In the intraneural course,the fibres of VI nerve runs veically and downwardsthrough the trapezoid body,medial lemniscus and basilar pa of the pons to reach the lower border of the pons. The nerve is attached to the lower border of the pons,opposite the upper end of the pyramid of the medulla. The nerve then runs upward... | 154,663 | medmcqa_train |
Hepatotoxic inhalational agent | All inhalational agent cause maild hepatotoxicity by decreasing hepatic blood flowIsoflurane is the agent of choice in liver disease as it has least effect on Hepatic blood flowDirect hepatotoxicity (Hepatitis, hepatic necrosis) is caused by- halothane, chloroform, trilene, methoxyflurane(Refer: Morgan and Mikhail's Cl... | 154,664 | medmcqa_train |
True about subcutaneous nodule in Rheumatic fever ________ | Subcutaneous nodule in RHD is seen in 3 to 20% cases,non tender,on bony prominence like elbow,shine,occiput ,mostly associated with carditis. Ref : Ghai essential of pediatrics, eighth edition ,p.no:436 | 154,665 | medmcqa_train |
Which vaccine gives herd immunity- | Ans. is 'a' i.e., OPV o The vaccine progeny of OPV is excreted in the faeces and secondary spread occurs to household contacts and susceptible contacts in the community. o Non-immunized persons may therefore, be immunized. o Thus widspread "herd immunity"results, even if only approximately 66% of the community is immun... | 154,666 | medmcqa_train |
A 50-year-old lady sprained her ankle 2 months back from which she made a steady recovery. 2 months after the injury she gradually developed severe pain in her right ankle with the significant limitation of ankle movement. Clinical examination reveals oedema and shiny skin. What is the likely diagnosis? | COMPLEX REGIONAL PAIN SYNDROME (ALGODYSTROPHY)
Sudeck, in 1900, described a condition characterized by painful osteoporosis of the hand. The same condition sometimes occurs after fractures of the extremities and for many years it was called Sudeck’s atrophy. It is now recognized that this advanced atrophic disorder is... | 154,667 | medmcqa_train |
True about subendocardial hemorrhage is all except | Subendocardial hemorrhages (SEH) occur after cardiac injuries and resuscitation as well as secondary to noncardiac injuries comprising head injuries, infectious diseases, intoxications, hemorrhagic diathesis, abdominal trauma, asthma, and hypovolemic shock. In paicular, the common incidence of SEH in intracranial lesio... | 154,668 | medmcqa_train |
Antihormone used in Infeility is: | Clomifene citrate : Anti-estrogenic -effects on the Hypothalamic axis which promotes release of FSH and LH which induces folliculogenesis and ovulation. Finasteride: Competitive inhibitor of enzyme 5 alpha reductase. with anti androgenic propeies Mifepristone: antiprogesterone used for inducing aboions Danazol: antiest... | 154,669 | medmcqa_train |
Which of the following is related to floor of middle ear? | The floor or Jugular Wall of the middle ear is formed by a thin plate of bone which separates the middle ear from the superior bulb of the internal jugular vein. This plate is a pa of the temporal bone, Near the medial wall, the floor presents the tympanic canaliculus which transmits the tympanic branch of the glossoph... | 154,670 | medmcqa_train |
Therapy of choice for sleep-apnea syndrome is | Harrison's principles of internal medicine 17th edition. * Majority of patients need to use continuous positive airway pressure(CPAP) delivered by a nasal mask every night to splint the upper airway open. | 154,671 | medmcqa_train |
Serious infections can occur when absolute neutrophil count decreases below | . | 154,672 | medmcqa_train |
Osteochondritis in Kohler&;s disease affects which bone ? | types of osteochondritis Bones affected Kohler Navicular Keinbock Lunate Pehes Femur head Johanson- Larsens lower pole of patella REF : MAHESWARI 9TH ED | 154,673 | medmcqa_train |
Esthesioneuroblastoma arises from: | Ans. (a) Olfactory epitheliumRef: Dhingra's ENT 6th edJ 204* Esthesioneuroblastoma usually arise from the olfactory epthelium . It's a rare tumor of any age group .* Presentation of tumor: cherry red, polypoidal spots mass in upper third of nasal cavity. It is a vascular tumor that bleeds profusely on biopsy. | 154,674 | medmcqa_train |
A patient 45 years of age, non diabetic, presents with chronic pelvic pain of 1 year duration. She also complains of frequency, urgency and a sense of incomplete evacuation since 1 year without any significant finding on her past ultrasounds, urine examination and urine and high vaginal swab cultures. On pelvic examina... | Urethral syndrome Urethral syndrome is defined as a symptom complex including dysuria, frequency, urgency, suprapubic discomfo , post void fullness and dyspareunia in the absence of any abnormality of urethra or bladder. Cause is unceain and is attributed to subclinical infection, urethral obstruction, psychogenic and ... | 154,675 | medmcqa_train |
Shoest acting anticholinesterase is ? | Ans. is 'a' i.e., Edrophonium Edrophonium is the shoest acting anti-ChE. When carbamates (other than edrophonium) and organophophates react with cholinesterase, they form covalent bond at esteratic site, which is considerably resistant to hydrolysis. In contrast, edrophonium binds electrostatically and by hydrogen bond... | 154,676 | medmcqa_train |
True about myasthenia gravis | *The weakness increase during repeated use and may improve following sleep or rest.only 10% of cases are associated with thymomas 65% with hyperplasia of thymus. Edrophonium test is positive. In electrodiagnostic testing MG patients show a rapid reduction of >10-15% in the amplitude of evoked response. Ref Harrison20th... | 154,677 | medmcqa_train |
Which of the following is true about Facial recess? | O Facial recess or posterior sinus is a depression in posterior wall lateral to pyramid. O It is bounded medially by the veical pa of Facial nerve, inferiorly by the chorda- facial angle and superiorly by fossa incudis. O Surgically, facial recess is impoant, as direct access can be made through this into the middle ea... | 154,678 | medmcqa_train |
The risk of neonatal chicken pox is the maximum, if maternal infection occurs : | Risk of neonatal chicken pox is maximum if maternal infection occurs near delivery (5 days before delivery or 48 hours after). | 154,679 | medmcqa_train |
Which of the following condition is using laparoscopy as the diagnostic tool of investigation? | Laparoscopy is the primary method used for diagnosing endometriosis. Laparoscopic findings are variable and may include discrete endometriotic lesions, endometrioma, and adhesion formation. The pelvic organs and pelvic peritoneum are typical locations for endometriosis. Lesions are variable colors, which may include re... | 154,680 | medmcqa_train |
Timolol can produce which of the following effect in an asthmatic patient? | Timolol is a non-selective Beta blocker (1st generation) It is used for treatement of primary open angle glaucoma. It can cause bronchoconstriction (by blocking beta 2 receptors) paicularly in asthmatics. | 154,681 | medmcqa_train |
Which of the following is ideal as overdenture abutments in maxillary arch? | Central incisors have the ideal location that provides the protection of the premaxilla. | 154,682 | medmcqa_train |
Which one of the following is not used to treat leishmaniasis ? | Pentamidine inhibits growth of protozoa by interacting with trypanosomal kinetoplast DNA and interferes with polyamine synthesis by a decrease in the activity of ornithine decarboxylase. Miltefosine has antiproliferative activity against leishmaniasis as well as against other trypanosome parasites.Mechanism is likely d... | 154,683 | medmcqa_train |
2 years old child can do - | Ans. is 'b' i.e., Climb up and downstairs with one each step time o A child can ride a tricycle by 3 years. o A child can walk up and downstairs with one step at a time by 2 years. o A child knows his sex and age by 3 years. o A child can feed himself with spoon without spilling its contents by 15 months. o A child can... | 154,684 | medmcqa_train |
Prognosis of lymphoma depends on all of the following except: March 2011 | Ans. D: Associated symptoms | 154,685 | medmcqa_train |
Contraction of uterine pain is carried by | In the early stages of labour pains are mainly uterine in origin because of painful uterine contractions It is distributed along the cutaneous nerve distribution of T10 - L 1. In the later stages pain is due to cervical dilatation This pain is referred to back through sacral plexus. Ref: Dutta Obs 9e pg 112. | 154,686 | medmcqa_train |
Ribonuclease-P is | Ribonuclease P (EC 3.1.26.5, RNase P) is a type of ribonuclease which cleaves RNA. RNase P is unique from other RNases in that it is a ribozyme - a ribonucleic acid that acts as a catalyst in the same way that a protein-based enzyme would. Its function is to cleave off an extra, or precursor, sequence of RNA on tRNA mo... | 154,687 | medmcqa_train |
Total lung capacity depends upon | TLC = (IRV + TV + ERV + RV) When a person inspires maximally, the lungs are at TLC. This total volume of inspired air (3000 + 500) would depend on the distensibility of the lungs. Greater the compliance, more is the distensibility and greater the amount that can be inspired. Conversely, if the compliance is reduced (as... | 154,688 | medmcqa_train |
Which of the following type of odontoid fracture is considered unstable? | Odontoid fractures usually result from flexion forces. Odontoid fractures are classified as type I, II, or III. Type I fracture involves the tip only. Type II fracture passes through the base of the odontoid process. Type III fracture passes through the body of C2. Types II and III are considered unstable and should be... | 154,689 | medmcqa_train |
Glasgow coma scale in death is: | (D) 3 > Note that a motor response in any limb is acceptable.> The scale is composed of three tests: eye, verbal and motor responses.> The three values separately as well as their sum are considered.> The lowest possible GCS (the sum) is 3 (deep coma or death), while the highest is 15 (fully awake person).GLASGOW COMA ... | 154,690 | medmcqa_train |
Which one of these is NOT associated with decrease in Residual Volume? | (A) Emphysema# RESIDUAL VOLUME is the amount of gas remaining in the lungs at the end of a maximal exhalation.> Residual Volume is important because it prevents the lungs from collapsing.> Even after we have expelled as much air as possible (expiratory reserve volume) gaseous exchange is still occurring by residual vol... | 154,691 | medmcqa_train |
Blood born spread is a feature of? | Sarcoma REF: Robbins 7 ed page 270 "Hematogenous spread is typical of sarcomas and Lymphatic spread is typical of carcinomas" However the above is not a rule and there are sarcomas that spread through lymphatics. The sarcomas that spread through lymplatics are: Mnemonic: SAME CoLouR (CLR) S- Synol cell sarcoma A- Angio... | 154,692 | medmcqa_train |
Treatment of mucinous carcinoma of Gallbladder confined to the lamina propria | Ans. (a) Simple CholecystectomyRef: Sabiston 20th edition Page 1512-1514* T1 a is confined to lamina propria- Just simple cholecystectomy is enough. | 154,693 | medmcqa_train |
Ipratropium bromide used in bronchial asthma is: | CLASSIFICATION of asthma drugs1.Bronchodilators - a)Sympathomimetics: Salbutamol, Terbutaline, Bambuterol, Salmeterol, Formoterol, Ephedrine. b)Methylxanthines: Theophylline (anhydrous), Aminophylline, Choline theophylline, Hydroxyethyl theophylline, Theophylline ethanolate of piperazine, Doxophylline. c)Anticholinergi... | 154,694 | medmcqa_train |
A Down syndrome child is mentally retarded. All cytogenetic abnormalities may occur except? | a. Deleted chromosome 21(Ref: Nelson's 20/e p 610-615, Ghai 8/e p 637-639)An extra copy of chr 21 is required to cause trisomy 21 (Down syndrome), so deletion of chr 21 will not cause it. | 154,695 | medmcqa_train |
Feature of NF 1 are- | *Common autosomal dominant disease caused by loss of function mutation in NF1 gene located at 17q11.2. multiple neurofibromas in combination with 6 or more CALM measuring >1.5cm,axillary freckling and multiple Lisch nodules are seen in NF1. It is associated with variety of tumours malignant peripheral nerve sheath tumo... | 154,696 | medmcqa_train |
Which of the following anesthetic agent is not painful on intravenous administration? | Ketamine: Sho acting, non barbiturate anaesthetic induces a dissociated state in which the patient is unconcious and does not feel pain. This dissociative anaesthesia provide sedation, amnesia and immobility. Not painful on IV administration Propofol: potent anaesthetic but a weak analgesic . Maximum pain on injection.... | 154,697 | medmcqa_train |
Yuzpe and lance regimen should be administered within maximum ------- | Yuzpe and Lance Method : Combined Oral pills are generally accepted as the preparation of choice for post coital (emergency) contraception, as it is less likely to cause adverse side effects. Regimens. Current recommendation (pills with 30mcg oestrogen) : 4 pills immediately followed by 4 pills 12 hours later. Standard... | 154,698 | medmcqa_train |
A 49-year-old man suffering from carcinoma of the prostate was x -rayed. He showed areas of sclerosis and collapse of T10 and T11 vertebrae in x-ray. The spread of this cancer to the above vertebrae was through - | Prostatic cancer spreads to the bones through blood vessels; first into Batson's periprostatic venous plexus and then into the internal vertebral plexus of veins.
This metastasis is possible because of valveless communication between the periprostatic and vertebral plexus of veins. | 154,699 | medmcqa_train |
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