query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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|---|---|---|---|
Thermoregulatory response activated by cold is- | * In cold environment, muscular contractions are increased and there is increased heat production Increased muscular contraction can be due to: 1) Increased tone of muscles. 2) Voluntary activities like foot stamping, hand rubbing, spoing activities etc. * Hypothalamic stimulation in cold environment brings about the f... | 152,700 | medmcqa_train |
Chlaymydia in asymptomatic carriers, the most sensitive test is - | Ans. is 'b' i.e., Nucleic acid amplification test . Recently Nucleic acid amplification tests (NAAT), have'been developed for chlamydial infections. . These tests are well suited for screening ( asymptomatic carriers) as well as diagnosis. . These tests are the most sensitive and specific chlamydial diagnostic methods ... | 152,701 | medmcqa_train |
20 yr old female diagnosed previously with adenocarcinoma stomach and on examination following is seen; | Sister Mary joseph nodule - Cutaneous metastatic deposit around umbilicus (Not Lymph node) Lymph Node involvement in Ca stomach - Involvement of left supraclavicular LN - Virchow's Node (Aka Troisier's Sign) - Involvement of Axillary LN - Irish nodes - Palpable intraperitoneal metastasis on digital rectal examination -... | 152,702 | medmcqa_train |
Hypertrichosis is seen with following drugs EXCEPT: | (Barbiturates) (276-H 16th) (301-345-H17th)Hypertrichosis - Occurs in use of phenytoin, minoxidil, or cyclosporine, Diazoxide, Androgens, oral contraceptives containing androgenic progestins. | 152,703 | medmcqa_train |
Tafenoquine - anti TB drug has been approved in July 2018 for | orally active 8 amino qinolone. It is a heame polymerase inhibitor. it is a prodrug and is active againist all liver forms includung hypnozoits. Molucular target is not exactly kmown | 152,704 | medmcqa_train |
Difference b w the incidence in exposed and non exposed group is best given by | attributable risk : Attributable Risk(AR) (sometimes called Attributable Propoion or Attributable Fraction) is a measure of the prevalence of a condition or disease. Given a group of people exposed to a risk, it&;s the fraction who develop a disease or condition. ref : park 21st ed | 152,705 | medmcqa_train |
A 55-year old man presented with a two-day history of headache, fever and generalized weakness. He had received a cadaveric kidney transplant 5 years earlier. His medications included 5 mg oftacrolimus twice a day and 10 mg of prednisone daily. On neurologic examination, he was confused and incoherent Cranial nerves we... | Nocardiosis is an infectious disease affecting either the lungs (pulmonary nocardiosis) or the whole body (systemic nocardiosis). It is due to infection by a bacterium of the genus Nocardia, most commonly Nocardia asteroides or Nocardia brasiliensis. It is most common in adult males, especially those with a weakened im... | 152,706 | medmcqa_train |
Positive Screening test for Diabetes Mellitus:- | Screening test is a search for an unrecognized disease/defect in Apparently healthy individuals by means of RAPIDLY APPLIED TESTS. RBS is used for screening of Diabetes mellitus. Rest all tests are diagnostic tests. Screening tests of impoant diseases: Leprosy - Hypoanesthesia HIV - ERS Breast cancer - Mammography Cerv... | 152,707 | medmcqa_train |
Vascular sign of narath is seen in- | Vascular sign of Narath *Normally femoral pulse is felt in the groin against head of the femur. *In posterior dislocation of hip the vessels fall back unsuppoed, so femoral aerial pulsation, which isn't felt against the head of the femur will be feeble or even, may not be palpable. Ref: Textbook of Ohopaedics by kotwal... | 152,708 | medmcqa_train |
Most frequent tooth to be impacted is | Impacted tooth Is the tooth that has failed to erupt completely or paially to its correct position in the dental arch and its eruption potential has been lost. Order of frequency Mandibular 3rd molar (i.e. Lower 3rd molar) Maxillary 3rd molar (Upper 3rd molar) Maxillary canine | 152,709 | medmcqa_train |
The gold standard investigation for renal aery stenosis in an 21 year old girl : | Angiography is the gold standard and definitive means to diagnose RAS, except for the risk of contrast reaction. In screening for stenosis of the main renal aeries and differentiation from fibromuscular dysplasia, the use of 3D contrast enhanced MRA provides optimum method for its detection and allows the demonstration... | 152,710 | medmcqa_train |
Premature fusion of coronal, sphenofrontal and frontoethmoidal sutures is seen in? | Premature fusion of coronal, sphenofrontal and frontoethmoidal sutures is seen in Turricephaly 1. Turricephaly Cone-shaped head caused by premature fusion of coronal, sphenofrontal and frontoethmoidal sutures 2. Dolicocephaly Due to premature closure of sagittal suture produces a long and narrow skull Also called scaph... | 152,711 | medmcqa_train |
Pulled elbow means | Pulled elbow occurs in children between 2-5 years of age. The head of radius is pulled paly out of annular ligament when child is lifted by the wrist. The child stas crying and is unable to move an affected limb. There might be swelling at the elbow.its not possible to see the subluxated head in x-ray as it is still ca... | 152,712 | medmcqa_train |
Most common site of lymphangiosarcoma is | Most common site of lymphangiosarcoma is arm following mastectomy, Occurs commonly after radical lymph nodes dissection- stewa treves syndrome Reference- SRB - 5th edition, sarcoma, page 311. | 152,713 | medmcqa_train |
The following ocular structure in not derived from surface ectoderm: | B i.e. Sclera | 152,714 | medmcqa_train |
One of the following is not true of International Classification of Disease - | Ans. is 'b' i.e., It was devised by UNICEF ICD was devised by WHO. | 152,715 | medmcqa_train |
All of the following metabolic functions occur in the mitochondria, Except: | B i.e. Biosynthesis of fatty acids | 152,716 | medmcqa_train |
Management of a child with severe PEM having loose stools includes ________ | Management of a child with severe protein-energy malnutrition (PEM) having stools includes Use of low sodium ORS for Rehydration 5ml/Kg every 30 min for first 2 hours. Donot give IV fluids unless the child is in shock Give ReSoMal (low sodium rehydration solution for malnutrition) 5ml/Kg every 30 min for first 2 hr ora... | 152,717 | medmcqa_train |
Which one of the following statements truly represents bell's paralysis - | Bell's paralysis is a lower motor neuron type of facial nerve palsy of unknown etiology, i.e., idiopathic nature.
Lower motor neuron type of palsy causes ipsilateral paralysis, therefore bell's palsy causes ipsilateral facial paralysis.
Except for facial nerve paralysis, another neurological examination is normal. | 152,718 | medmcqa_train |
0steomas, adenomatous polyps of intestine & periampullary carcinomas are seen in | Gardner's Syndrome Gardner's syndrome is combination of familial polyposis coli and ceain extra-colonic lesions such as multiple osteomas (paicularly of the mandible and maxilla), sebaceous cysts and connective tissue tumours. mnemonics: GARDEN In FOREST Gardener syndrome Familial polyposis coli, Osteoma Retinal epithe... | 152,719 | medmcqa_train |
All are contents of the Femoral traingle except | Femoral triangle : Lateral - Saorius Medial - Adductor longus Base - Inguinal ligament Contents - Femoral nerve, Femoral aery, Femoral vein,deep inguinal lymphatics, nerve to pectineus. Ref : Gray's Anatomy The Anatomical Basics of Clinical Practice 41 e pg 1362. | 152,720 | medmcqa_train |
Fatty acids are stored as ? | Ans. is 'b' i.e., TriglyceridesTriglycerides (TGs) are formed by esterification of one molecule of glycerol with three molecules of fatty acids. Therefore, they are also called as triacylglycerol (acyl for fatty acid). Fatty acids esterified through their carboxyl group, resulting in a loss of negative charge and forma... | 152,721 | medmcqa_train |
Mainstay of treatment of glue ear:- | Glue ear: - Long standing collection of serous / mucoid fluid in the middle ear cavity.- CHL (25-30 DB)- B curve on Tympanometry Mainstay treatment of glue ear should be treat the cause, like if its adenoids or tumor so removing it would be the treatment. But the cause is not mentioned in the question. So the mainstay ... | 152,722 | medmcqa_train |
Bilateral centrocaecal scotoma more marked with red than white colour is a feature of: | Ans. Tobacco amblyopia | 152,723 | medmcqa_train |
Area of the brain most commonly undergoing atrophy in Alzheimer's disease: | Ans. a. Temporoparietal (Ref: Harrison 19/e p2598, 18/e p3304-3308)Area of the brain most commonly undergoing atrophy in Alzheimer's disease is Temporoparietal.'Pathologically, atrophy is distributed throughout the medial temporal lobes, as well as lateral and medial parietal lobes and lateral frontal cortex.'- Harriso... | 152,724 | medmcqa_train |
False about sternocleidomastoid is | Actions of sternocleidomastoid - When one sternocleidomastoid muscle contracts, a) It turn the chin to the opposite side, b) It can also tilt the head towards the shoulder of same side Ref : B D Chaurasia's Human Anatomy , sixth edition, volume 3 , pg. no. 89 | 152,725 | medmcqa_train |
All of the following methods are used for the diagnosis of HIV infection in a 2 month old child, except - | diagnosis of HIV in 2 month old child is by p24 Sg asday ,PCR&viral culture.ELISA id not used REF:<\p> MICROBIOLOGY ANANTHA NARAYANAN NINTH EDITION PAGE.575 | 152,726 | medmcqa_train |
Which of the following is not a good source of vitamin D? | Good sources of vitamin D include fatty fish,fish liver oils, egg yolk etc. Milk is not a good source of vitamin D.
Reference: Satyanarayana- Biochemistry, 3rd edition, pg-128 | 152,727 | medmcqa_train |
Otoacoustic emissions arise from: | Ans. B Outer hair cellsOtoacoustic Emissions (OAEs)Otoacoustic emissions are acoustic signals emitted from the cochlea to middle ear and into the external ear canal where they are recordeD.They are low intensity sounds probably generated by acute mechanical contraction of the outer hair cellsThey are produced either sp... | 152,728 | medmcqa_train |
An obese female having hirsutism on laboratory investigation has a high level of LH and androgens. Likely cause is | The clinical and laboratory features of the patient described in the question match with those of PCOS as depicted in the table.
So the most appropriate answer is PCO | 152,729 | medmcqa_train |
Common ocular manifestation in Trisomy 13 is : | Ans. is 'b' i.e. Bilateral microphthalmos Abnormalities seen in trisomy 13 {Patau's syndrome)MicrophthalmiaMicrocephaly and mental retardationCleft lip and palatePolydactylyCardiac defectsUmbilical herniaRenal defectsRocker bottom feet | 152,730 | medmcqa_train |
Embryonal rhabdomyosarcoma is seen in ? | Ans. is 'a' i.e., Face; 'b' i.e., Neck; 'c' i.e., Nasal cavity Embryonal rhabdomyosarcoma o Embryonal rhabdomyosarcoma is the most common subtype of rhabdomyosarcoma, observed in children. o The tumor can occur at any site but the two most common sites are: i) Head and neck (including face and nose) --> Most common Gen... | 152,731 | medmcqa_train |
The role of mitochondria is in all of the following, except: | Mitochondria is not involved in Fatty acid biosynthesis. Fatty acid biosynthesis takes place in cytosol. | 152,732 | medmcqa_train |
Which is the most common type of shock in surgical practice | Hypovolemic shock is probably the most common form of shock, and to some degree is a component of all other forms of shock. Hypovolemic shock is due to reduced circulating volume. Reference : Bailey & Love, 27th Edition, page no = 13. | 152,733 | medmcqa_train |
Swimming pool odor in classical of which inborn error of metabolism? | Tyrosinemia - Boiled cabbage odor.
Hawkinsinuria - Swimming pool odor.
Phenylketonuria - Mousey odor.
Multiple carboxylase deficiency - Tomcat urine. | 152,734 | medmcqa_train |
All of the following are the electrocardiographic features of severe hyperkalemia except- | Effects of hyperkalaemia on the ECG Serum potassium > 5.5 mEq/L is associated with repolarization abnormalities: Peaked T waves (usually the earliest sign of hyperkalaemia) Ref Harrison 20th edition pg 1456 Serum potassium > 6.5 mEq/L is associated with progressive paralysis of the atria: P wave widens and flattens PR ... | 152,735 | medmcqa_train |
With the use of DMPA contraceptive, the side effects are all of the following EXCEPT: | Ans. is 'a' ie change in quantity and quality of breast milk. Change in quantity and quality of breast milk is seen with the use of estrogen contraceptives not progesterone.Infact is a plus point of DMPA that it does not affect lactation. It can be therefore used in the post-partum period, without affecting the lactati... | 152,736 | medmcqa_train |
All of the following are features of atrial myxoma except: September 2008 | Ans. B: HypeensionFindings of atrial myxoma?Jugular venous pressure may be elevated, and a prominent a wave may be present.A loud S1 is caused by a delay in mitral valve closure due to the prolapse of the tumor into the mitral valve orifice (mimicking mitral stenosis).P2 may be delayed. Its intensity may be normal or i... | 152,737 | medmcqa_train |
A healthy 22-year-old female medical student with normal kidneys decreases her sodium intake by 50% for a period of 2 months. Which of the following parameters is expected to increase in response to the reduction in sodium intake? | A reduction in sodium intake leads to a decrease in extracellular fluid volume and therefore a decrease in aerial pressure. The decrease in aerial pressure stimulates renin release, which in turn leads to an increase in the formation of angiotensin II. The angiotensin II increases the renal retention of salt and water ... | 152,738 | medmcqa_train |
'C' wave in JVP is due to- | Answer is B (Tricuspid valve bulging into right atrium) The 'C' Wave is a positive wave produced by the bulging of tricuspid valve into the right atrium during right Ventricular isovolumetric systole and by impact of the carotid aery adjacent to the jugular vein. | 152,739 | medmcqa_train |
Which is the most common complication of this Rash? | Ans. (c) Secondary skin infectionsNotice the presence of vesicles on an erythematous base caused by varicella-zoster virus. The most common complication of chicken pox is secondary skin infections.Image source- style="font-family: Times New Roman, Times, serif"> | 152,740 | medmcqa_train |
A patient while lifting a heavy weight presents with sudden onset pain in the lower back radiating along the postero-lateral thigh and lateral leg to the big toe with numbness. The most likely diagnosis is: | C i.e. L4 -- L5 Disc prolapsed Sudden onset lower back pain with radioculopathy while lifting something heavy from ground (i.e. in spinal flexion) indicates acute PIVD (prolapsed of interveebral disc). Pain or paresthesia along posterolateral aspect of lower thigh, anterolateral aspect of knee and leg and dorsal surfac... | 152,741 | medmcqa_train |
In glycolysis, the first committed step is catalysed by | Phosphofructokinase catalyzes the committed step of glycolysis, meaning that once fructose 1, 6 - bisphosphate is formed it must go for the glycolytic pathway only. | 152,742 | medmcqa_train |
Lacrimal punctum of upper and lower eyelids are? | Ans. is 'a' i.e., They are opposed | 152,743 | medmcqa_train |
Diameter of the optic disc is – | Actually, optic disc is vertically oval with vertical diameter 1.88 mm and horizontal diameter 1.76 mm. However, some textbooks (like khurana) have metioned it as circular area of 1.5 mm diameter. | 152,744 | medmcqa_train |
Absolute maternal indications for termination of pregnancy are given below, EXCEPT: | Considering high maternal deaths, absolute indications for termination of pregnancy are; Primary pulmonary hypeension Eisenmenger's syndrome Pulmonary veno-occlusive disease Relative indications are; Grade I or II with previous history of cardiac failure in early months or in between pregnancy Parous women with grade I... | 152,745 | medmcqa_train |
To prevent KFD which of the following is not used ? | Ans. is 'c' i.e., Deforestation o Since KFD is tick born disease, so the central measures are directed towards control of ticks in forest (not by deforestation) by carabaryl, propoxur spraying in HOT SPOTS area (It is the area about 50m around the place where monkey death have been repoed). | 152,746 | medmcqa_train |
Blunt trauma abdomen maximum injury is to : | Ans. is 'b' i.e. Proximal jejunum | 152,747 | medmcqa_train |
A man is struck with lathi on lateral aspect of head of fibula. Which of the following can occur as a result of nerve injury | The nerve that is injured is common peroneal nerve. It winds around neck of fibula where it divides into superficial and deep peroneal nerves. Its injury causes: Motor loss: to dorsiflexers and eveors of foot causing " foot drop".sensory loss: is to the back of leg , lateral side if the leg and most of the dorsum of fo... | 152,748 | medmcqa_train |
A 2-month-old boy is evaluated for failure to thrive. As the pediatrician examined the child, she witnesses a seizure. Physical examination is remarkable for hepatomegaly, a finding later confirmed by CT scan, which also reveals renomegaly. Serum chemistries demonstrate severe hypoglycemia, hyperlipidemia, lactic acido... | Von Gierke's disease is a glycogen storage disease caused by a deficiency of glucose-6-phosphatase. It typically presents with neonatal hypoglycemia, hyperlipidemia, lactic acidosis, and ketosis. Failure to thrive is common in early life; convulsions may occur due to profound hypoglycemia. The glycogen accumulation in ... | 152,749 | medmcqa_train |
Which is false about Crohn's disease? | Crohn's disease (CD) can invade any pa of GIT from the oral cavity to the anus. Studies show that 70% of patients with CD will require a bowel resection in the first decade after diagnosis and 40% will require a fuher resection * Since surgery does not cure CD, the fundamental principle is to preserve healthy gut and t... | 152,750 | medmcqa_train |
Ovarian aery is a branch of : | A. i.e. Abdominal aoa | 152,751 | medmcqa_train |
Which of the following is the anatomical location of foramen of winslow? | The lesser omentum forms a sac known as the omental bursa, which forms a subdivision of the peritoneal cavity known as the lesser sac. The greater sac is the remaining pa of the peritoneal cavity. The greater and lesser sacs communicate with each other through the epiploic foramen (of Winslow).Also know: The omentum re... | 152,752 | medmcqa_train |
The acceptable ambient temperature of summer in terms of thermal comfo is | Thermal comfo is defined as the state of mind that expresses satisfaction with the thermal environment.It is influenced by physical and physiological factors.According to this definition, comfo is a subjective sensation. Based on ASHRAE definition the zone of thermal comfo is the span of conditions where 80% of sedenta... | 152,753 | medmcqa_train |
Which of the following organelle is associated with production and destruction of H2O2 ? | Oxidases use O2 to oxidize organic substances and produce hydrogen peroxide (H2O2). Breakdown of hydrogen peroxide (H2O2), a potentially dangerous product of fatty-acid oxidation. It is catalyzed by the enzyme catalase. Both enzymes are present in peroxisomes. Though Lysosomes produce H2O2 it can't degrade it. | 152,754 | medmcqa_train |
Orthodromic conduction is - | Ans. is 'a' i.e., An axon can conduct impulse in one direction only o Experimentally, an axon can conduct impulse in either directionQ.o When an action potential is initiated in the middle of the axon, the impulse shall travel in both direction, i.e., one along the axon towards its terminal knobs and one in opposite di... | 152,755 | medmcqa_train |
NOT seen in salt water drowning: | Fresh water drowning is associated with both hyperkalemia and corresponding hyponatremia. | 152,756 | medmcqa_train |
A 60 year old man is brought to a psychiatrist with a 10 year history, that he suspects his neighbours and he feels that whenever he passes by they sneeze and plan against behind his back. He feels that his wife has been replaced by a double and calls the police for help. He is quite well groomed alert, occasionally co... | This patient has:-
Delusion of persecution (suspects his neighbours sneeze and plan against him).
Delusion of double (wife has been replaced by double).
No impairment in consciousness (patient is well alert)
Symptoms for 10 years.
Delusion of double is a bizarre delusion (i.e., belief which is impossible in reality... | 152,757 | medmcqa_train |
Ergometrine is commonly used for : | Obstetric indications of ergometrine (Ergonovine):
To control and prevent Postpartum hemorrhage. It is given at the time of delivery of the anterior shoulder.
After Caesarean Section/instrumental delivery - to prevent uterine atony.
To ensure normal involution in multipara. | 152,758 | medmcqa_train |
An 18 year old male patient with history of fever for 2 weeks managed with OTC pills presents to the emergency depament with massive hemetemesis. Moderate splenomagaly is noted on clinical examination. What is most likely condition? | Hemorrhagic and erosive gastropathy (drug induced gastritis) do not cause major bleeding as in this case. So option drug induced gastritis is ruled out. Up to 10% of patients with NSAID-induced mucosal disease can present with a complication (bleeding, perforation, and obstruction) without antecedent symptoms. NSAID in... | 152,759 | medmcqa_train |
The most common histologic type of carcinoma of the oral cavity is | Carcinoma of the oral cavity accounts for approximately 5% of all human malignancies. More than 90% of oral carcinomas are of the squamous cell type. Precursor lesions include leukoplakia (dysplastic leukoplakia) and erythroplasia, with transformation rates of approximately 15 and 50%, respectively. Oral carcinoma is m... | 152,760 | medmcqa_train |
A male patient of bipolar disorder with history of 5 episodes of mania and 1 episode of depression in last 8 years, under control by mood stabilizer, and manic symptoms appear as he tapered down the drugs. Which of the following intervention should be carried out to improve drug compliance? | Ans. a. Psychoeducation (Ref: Niraj Ahuja 7/e p67-68)In the question patient symptoms of bipolar disorder are well controlled by medication, which implies pharmacotherapy is efficient and added psychotherapy is necessary only to keep the patient compliant to the medication. In such a case, psychoeducation of the patien... | 152,761 | medmcqa_train |
Not true about hyperplastic tuberculosis - | Ans. is 'c' i.e., Surgery is the treatment of choice | 152,762 | medmcqa_train |
All of the following decrease the Glomerular filtration rate except - | Plasma protein binding of a substance decreases is glomerular filtration. Only unbound substances are filtered. | 152,763 | medmcqa_train |
Earliest congenital malformation that may be detected on USG is | C i.e. Anencephaly Neural tube defects (NTDs) i.e. anencephaly, meningomyelocele, encephalocele and spina bifidaQ can be caused by antifolate & antiepileptic drugs, maternal diabetes, lower maternal folate status, reduced activity of 5, 10, methylene - THE reductase (MTHFR) enzyme (d/t C677 T-polymorphism in MTHFR gene... | 152,764 | medmcqa_train |
A Malnourished child from a poor socioeconomic status, residing in overcrowded and diy areas present with a nodule around the limbus with hyperemia of surrounding conjunctiva in his left eye. He is also observed to have axillary and cervical lymphadenopathy. Which of the following is the most likely diagnosis: | Ans. Phlyctenular conjunctivitis | 152,765 | medmcqa_train |
All of the following are pa of the ASEPSIS would score except: | Criterion Description Points A Additional treatment Antibiotics 0 10 Drainage of pus under local anaesthetics 5 Debridement of wound (General anaesthetics 10 S Serous discharge Daily 0-5 E Erythema Daily 0-5 P Purulent exudates Daily 0-10 S Separation of deep tissues Daily 0-10 I Isolation of bacteria 10 S Stay in hosp... | 152,766 | medmcqa_train |
Minimum chlorine content of water after chlorination should be ? | park's textbook of preventive medicine 23rd edition *principle of chlorination is to ensure that a "free"residual chlorine of 0.5 mg/litre at end of one hour contact . | 152,767 | medmcqa_train |
Crumpled paper appearance of cells is a feature of ? | Ans. is 'a' i.e., Gaucher diseaseMorphology of Gauchers disease:Glucocerebrosides accumulate in massive amounts within phagocytic cells throughout the body in all forms of Gaucher disease.The distended phagocytic cells, known as Gaucher cells, are found in the spleen, liver, bone marrow, lymph nodes, tonsils, thymus, a... | 152,768 | medmcqa_train |
A 45-year-old male having a long history of cigarette smoking presented with gangrene of left foot. An amputation of the left foot was done. Representative sections from the specimen revealed the presence of aerial thrombus with neutrophilic infiltrate in the aerial wall. The inflammation also extended into the neighbo... | Takayasu's Aeritis : does not involve the peripheral limb vessels. Its an inflammatory and stenotic disease of medium and large-sized aeries characterized by a strong predilection for the aoic arch and its branches (thus also k/an aoic arch syndrome) Giant cell aeritis: also, k/a cranial aeritis or temporal aeritis is ... | 152,769 | medmcqa_train |
cAMP is formed from: | Cyclic AMP - It consists of adenine, ribose and a phosphate. The membrane-bound enzyme Adenylate cyclase conves ATP to cAMP by cyclization. Extra information: cAMP is responsible for activation of protein kinases by phosphorylation (see fig.) cAMP is a secondary messenger and vital for regulation of many metabolic path... | 152,770 | medmcqa_train |
Which of the following muscle in lid is a ached to upper margin of superior tarsus? | . | 152,771 | medmcqa_train |
Drug used for intralesional injection keloid is: | Treatment of Hyperophic and Keloid scars Pressure - Local moulds or elasticated garments Silicone gel sheeting (mechanism unknown) Intralesional steroid injection (triamcinolone) Excision and steroid injections Excision and postoperative radiation (external beam or brachytherapy) Intralesional excision (keloids only) L... | 152,772 | medmcqa_train |
A 40-year-old male presented to surgery OPD with complaints of right loin pain which was also referred to right iliac fossa. Surgeon examined the patient & asked to have an USG abdomen, given below. Right kidney left kidney Then NCCT KUB was done and diagnosis of renal stone of 8mm was made. What is the most probable l... | USG shows normal kidneys. NCCT KUB showed a stone in the ureter. Pain of renal stone in renal pelvis refers to groin Upper ureter stone pain refers to medial aspect of thigh along with obturator nerve Mid ureter stone pains refer to iliac fossa along with iliohypogastric nerve Lower ureter stone pain refers to testicle... | 152,773 | medmcqa_train |
Figure of 8 in chest X-ray is suggestive of: September 2010 | Ans. B: TAPVC | 152,774 | medmcqa_train |
Choroidal neurovascularization is seen in all except aEUR' | Hypermetropia Choroidal neurovascularization (CNV) It is inappropriate ingrowth of blood vessels and accompanying cellular infiltrate originating in the choroid & it extends through Bruch's membrane to proliferate under retina, the retinal pigment epithelium or both. It is a common end stage process in a number of diff... | 152,775 | medmcqa_train |
Which of the following is not a common site for metastatic calci | Metastatic calcification may occur widely throughout the body but principally affects.
Interstitial tissues of gastric mucosa
Kidneys
Lungs
Systemic arteries and
Pulmonary veins
The common feature of all these sites, which makes them prone to calcification is that they can lose acid and therefore they have an interna... | 152,776 | medmcqa_train |
Which of the following statements is true regarding Pityriasis rubra pilaris – a) Isolated patches of normal skin are foundb) Cephalocaudal distributionc) I.V. cyclosporine is effectived) More common in femalese) Oral cyclosporine is effective | A characteristic feature of plaques of pityriasis rubra pilaris is the presence of distinct islands of normal skin.
Lesions on the trunk evolve in craniocaudal (cephalo caudal) direction. | 152,777 | medmcqa_train |
Which of the following is dermatome of umbilicus: | Ans. B T10Ref BDC, 6th ed. vol. II pg. 198* Dermatome of umbilicus is at T10.* T10 segment also supplies to:# Appendix: T9 - T10# Stomach: T6 - T10# Testis/Ovary: T10# Intestine: T9-T11 | 152,778 | medmcqa_train |
All can be used for systematic fungal infections except: | Griseofulvin: It was one of the early antibiotics extracted from Penicillium griseofulvum. However, because of lack of antibacterial activity, little attention was paid to it: clinical utility in dermatophytosis was demonstrated only around 1960. Griseofulvin is active against most dermatophytes, including Epidermophyt... | 152,779 | medmcqa_train |
In non pregnant uterus cervical incompetence is treated by ? | Ans. is 'a' i.e., Counselling Cervical incompetence treatment in INTERCONCEPTIONAL PERIOD (non pregnant uterus):To allete anxiety and to improve the psychology - couple should be counselled that even after three consecutive miscarriages, the chance of a successful pregnancy is high (70%). However, the success rate depe... | 152,780 | medmcqa_train |
A 25-year-old female presented with features of weight gain and loss of appetite and easy fatigue. On examination a swelling was noticed in anterior aspect of neck which moved with deglutination. Biopsy performed from neck revealed the following. What is your diagnosis? | Ans. (b) Hashimoto's thyroiditis*The history given suggests a thyroid swelling. The given biopsy from the same shows thyroid parenchyma containing a dense lymphocytic infiltrate with germinal centers. Residual thyroid follicles are lined by deeply eosinophilic Hurthle cells. This suggests Hashimoto's thyroiditis. | 152,781 | medmcqa_train |
Which of the following disease cannot be diagnosed by amino centesis : | Cleft lip | 152,782 | medmcqa_train |
True about cystic hygroma - | Answer is 'a' i.e. Congenital sequestration of lymphatics "Bailey writes that spontaneous regression may occur in cystic hygroma but I am not sure whether it occurs by 5 yrs of age". | 152,783 | medmcqa_train |
Vector control for yellow fever around an airpo is done upto a distance of - | <p> international vector control for yellow fever. Aircraft and ships arriving from endemic areas are subjected to aerosol spraying with prescribed insecticides on arrival for destruction of insect vectors. Airpos and seapos kept free breeding of insect vectors over an area extending at least 400 metres around their pe... | 152,784 | medmcqa_train |
Which of the following is not involved in generation of proton gradient? | Proton gradient : The inner mitochondrial membrane, as such, is impermeable to protons (H+) and hydroxyl ions (OH-). The transpo of electrons through ETC is coupled with the. translocation of protons (H+) across the inner mitochondrial membrane (coupling membrane) from the matrix to the intermembrane space. The pumping... | 152,785 | medmcqa_train |
Commonest type of shoulder dislocation: | Anterior Dislocation of Shoulder--Most Common Type of Shoulder Dislocation Types: Subcoracoid>Preglenoid>Subclavicular Mechanism of Injury: Abduction and External rotation force. | 152,786 | medmcqa_train |
Ossification center of upper end of ulna is united by: DNB 10 | Ans. 16 years | 152,787 | medmcqa_train |
False about hydatid cyst of liver | Surgery is still the choice and gold standard therapy for hydatid disease. The abdomen is opened, and the peritoneal cavity is packed with mops . *Fluid from the cyst is aspirated and scolicidal agents(cetrimide, chlorohexidine, alcohol, hypeonic saline(15%-20%), 10% povidone-iodine or H2O2 ) are injected into the cyst... | 152,788 | medmcqa_train |
In pediatric patients, the risk of developing post-traumatic epilepsy is significantly increased by: | Late post-traumatic epilepsy is diagnosed when a seizure occurs for the first time more than one week after a head injury. Factors that correlate with an increased risk of developing post-traumatic epilepsy include presence of a depressed skull fracture, acute intracranial hemorrhage, cerebral contusion, or unconscious... | 152,789 | medmcqa_train |
A person riding a mountain bike on a rustic trail hits a rut, the fork of the bike breaks and the person is thrown into a tree, severely fracturing the upper end of his humerus. During the repair the surgeon ties off the aery traveling through the quadrangular space to stop the hemorrhage. Which aery did he ligate? | The quadrangular space is bounded medially by the long head of the triceps tendon, laterally by the humerus, superiorly by teres major, and inferiorly by teres minor. It is traversed by the axillary nerve and the posterior humeral circumflex aery. The triangular space is medial to the quadrangular space and it is bound... | 152,790 | medmcqa_train |
In a patient with UTI, CLED (Cysteine, Lactose Electrolyte Deficient) Media is preferred over Mac'conkeys media because: | CLED is preferable to Mac Conkey's bile-salt lactose medium for the culture of coliform and other bacteria from infected urine. Like McConkey medium, it distinguishes between lactose-fermenting (yellow) and lactose non-fermenting (blue, grey or green) colonies, inhibits the swarming of proteus and shows the greenish co... | 152,791 | medmcqa_train |
Renal GFR is estimated by - | Ans. is 'b' i.e., Tc99m - DTPA Renal Scintigraphy1) Static renal scintigraphyo For static renal scintigraphy Tc - 99m - DMSA(Dimercaptosuccinic acid) is used. DMSA is cleared by renal tubules. When DMSA is labeled with Tc - 99 and injected intravenously, it can be used to create an image of the renal cortex which refle... | 152,792 | medmcqa_train |
The most common mechanism for transfer of resistance in Staphylococcus aureus is : | Transduction is particularly important in the transfer of resistance among staphylococci.
Multidrug resistance is transferred by conjugation. | 152,793 | medmcqa_train |
the above condition is due to execessive usage of ? | image shows red man syndrome which is a side effect of vancomycin usage which increases histamines and causes flushing of the skin Vancomycin: Red Man Syndrome * Constellation of symptoms : Pruritus, flushing, erythroderma common : Hypotension uncommon * Due to nonspecific histamine release that is rate related (rare r... | 152,794 | medmcqa_train |
Shoest acting NDMR | Rapacuronium Among the given options Rapacuronium is the shoest ating drug. Rapacuronium has been withdrawn from the market because it produces intense bronchospasm in a significant number of patients. Alcuronium is a relatively sho acting muscle relaxant. Always remember this | 152,795 | medmcqa_train |
IQ between 50-70 indicates - | Ans. is 'a' i.e., Mild mental retardation Classification of mental retardation o A child with IQ 70 is called as mentally retarded. Degree of MR IQ Mild 51-70 Moderate 36-50 Severe 21-35 Profound 0-20 o IQ level between 71-90 is designated as borderline intelligence. | 152,796 | medmcqa_train |
All of the following are known risk factors for development of endometrial carcinoma except : | Ans. is d i.e. Early menopause Friends, this is the most frequently asked question on Endometrial cancer. Mug up predisposing factors by hea. Endometrial carcinoma occurs as a result of unopposed estrogen exposure in body. Predisposing factors are : Family Family history Has Hypeension m Obesity L Late menopause / Earl... | 152,797 | medmcqa_train |
Which of the following is a strategy used to increase the yield of protein produced in recombinant protein synthesis? | B i.e. Genes for protease inhibitors Expression vector is a vector which synthesize/produce/express the protein coded by a gene introduced DNA recombination technology. So it is used to produce protein by genetic engineering and detect specific c-DNA molecules in library. Expression vectors are specially constructed so... | 152,798 | medmcqa_train |
Disposable syringes are sterilized by ? | Ans. is 'c' i.e., Ethylene oxide "Ethylene oxide used mainly by industry for the sterilization of plastic and other thermolabile material that can not withstand heating" -- Greenwood 16th/e p. 74. Other methods for sterilization of heat labile instruments Ionizing radiation Formaldehyde in combination with subatmospher... | 152,799 | medmcqa_train |
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