query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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Hypoxiema independent of | Hb [Ref: Ganong 23/e p617; http://en.wikipedia.org/wiki/Hypoxemiaj Hypoxemia is decreased paial pressure of oxygen in blood. It is the oxygen that is dissolved in the blood not attached with hemoglobin; thus it does not depend on Hemoglobin. Hypoxemia is one of the types of Hypoxia kla Hypoxic Hypoxia. The Hypoxia depe... | 155,000 | medmcqa_train |
In a ulcer over skin if there is undermined edges it suggests | Flat sloping venous or septic, often with a transparent healing edge along pa of its circumference. Punched-out syphilitic, trophic, diabetic, ischaemic, leprosy. Undermined tuberculosis, pressure necrosis paicularly over the buttocks, carbuncles. Raised rodent ulcer , often with a slightlyrolled appearance. Raised and... | 155,001 | medmcqa_train |
Examination of a patient revealed that he had right sided paralysis of the tongue, left sided hemiparesis and left sided lemniscal sensory loss. Occlusion of which of the following aery result in the following manifestations? | Patient is showing features of medial medullary syndrome. Occlusion of penetrating branch of veebral aery result in medial medullary syndrome. Medial medullary syndrome is characterised by a triad of:Ipsilateral hypoglossal nerve palsyContralateral hemiparesis with loss of deep sensationOcclusion of posterior inferior ... | 155,002 | medmcqa_train |
Franklin disease is? | Answer- C. y-heavy chain diseaseFranklin's disease (gamma heavy chain disease)It is a very rare B-cell lymphoplasma cell proliferative disorder.It may be associated with autoimmune diseases and infection is a common characteristic of the disease. | 155,003 | medmcqa_train |
Liquefactive necrosis is seen in? | Brain tissue is rich in liquefactive enzymes and it lacks stromal support, hence liquefactive necrosis is the type of necrosis that occurs in brain. | 155,004 | medmcqa_train |
A 68-year-old patient developed atrophic gastritis and, 2 years later, developed a macrocytic, hyperchromic anemia. His anemia has most likely occurred due to which one of the following reasons? | This patient has trouble absorbing vitamin B12 for two reasons. The first is that the stomach no longer produces adequate levels of intrinsic factor. Atrophic gastritis leads to the loss of the glandular cells of the stomach and replacement of those cells with intestinal and fibrous tissues. This will lead to a loss of... | 155,005 | medmcqa_train |
First dose of vitamin A should be given at: September 2005 | Ans. C: 9 months National programme for prevention of nutritional blindness focuses on Promoting consumption of vitamin A rich foods by pregnant and lactating women and by children under 5 years of age. Administration of massive doses of vitamin A up to 5 years. First dose of 100,000 IU with measles vaccination at 9 mo... | 155,006 | medmcqa_train |
Tumbling motility is characteristic of the following organism: | Listeria monocytogenes is a Gram-positive rod with some bacteriologic features that resemble those of both corynebacteria and streptococci. Listeria species are catalase-positive, which distinguishes them from streptococci, and they produce a characteristic tumbling motility in fluid media at temperatures below 30degC,... | 155,007 | medmcqa_train |
A 17 year old female patient has hirsutism, hyperglycemia, obesity, muscle wasting, and increased circulating levels of ACTH. The most likely cause of her symptoms is: | This female patient's symptoms are classic for a primary elevation of ACTH (Cushing's Disease). Exogenous steroids would produce similar symptoms, except that circulating ACTH would be low because of negative feedback suppression at both hypothalamic (CRF) and anterior pituitary levels (ACTH). Addison's Disease is caus... | 155,008 | medmcqa_train |
Tennis elbow is - | Ans. is 'b' i.e., Lateral Epicondylitis o Repeat from previous sessions. | 155,009 | medmcqa_train |
Vague elaborate and circumstantial speech with magical thinking is characteristic of : | Schizotypal (cluster A ) personality is characterized by odd speech that is vague or rambling, discomfo in social situations, strange thinking and lack of emotional appropriateness *Ideas of reference (not delusions) *Odd beliefs and magical thinking *Unusual perceptual disturbances *Paranoid ideation and suspiciousnes... | 155,010 | medmcqa_train |
The skin overlying the region where a venous "cut-down" is made to access the Great saphenous vein is supplied by: | The skin overlying the region where a cut down is made to grant access to the great saphenous vein is supplied by the saphenous nerve. The saphenous nerve is a branch of the femoral nerve. Ref: Textbook of Pediatric Emergency Procedures By Christopher King, Page 273; Clinical Anatomy By Regions By Richard S. Snell, Pag... | 155,011 | medmcqa_train |
A 10-year-old boy presents with nasal obstruction and intermittent profuse epistaxis. He has a firm pinkish mass in the nasopharynx. All of the following investigations are done in this case except- | Biopsy can cause profuse bleeding, therefore should be avoided.
Investigations used for NFA are :-
Soft tissue lateral film of nasopharynx
X-ray paranasal sinus and base of skull
Contrast CT of skull (investigation of choice)
MRI
Carotid angiography | 155,012 | medmcqa_train |
Hanging in which body is fully suspended & feet are not touching the ground - | Ans. is 'b' i.e., Complete hanging Complete hanging: Body is fully suspended and no pa of body touches the ground. Constricting force is weight of body.Incomplete (paial) hanging : 'There is paial suspension and some body pa (usually lower) is touching the ground. Constricting force is weight of the head (5-6 kg). | 155,013 | medmcqa_train |
Forschheimer's sign: | Forschheimer spots are a fleeting enanthem seen as small, red spots (petechiae) on the soft palate in 20% of patients with rubella Seen during the prodromal period or on the first day of the rash. They precede or accompany the skin rash of rubella. They are not diagnostic of rubella, as similar spots can be seen in mea... | 155,014 | medmcqa_train |
Phagocytosis in brain is caused by ? | Ans. is 'b' i.e., Microglia | 155,015 | medmcqa_train |
First branch of the facial nerve is: | (a) Greater petrosal nerve(Ref. Scott Brown, 6th ed., 1385)The greater superficial petrosal nerve arises from the geniculate ganglion at the first genu. This is the first branch.The 2nd branch is the nerve to the stapedius given at the pyramid.The 3rd is the chorda tympani given 4-6mm before the exit of facial nerve fr... | 155,016 | medmcqa_train |
A 26 year male came with hypopigmented macule over chest with scratch sign positive. Diagnosis is: | Hypopigmented patch over chest and trunk with fine scaling and scratch sign positive (i.e appearance of scales on scratching ) is suggestive of Pityriasis versicolor which is a fungal intection caused by Malassezia. | 155,017 | medmcqa_train |
New born babies are able to breathe and suck at the same time due to | Infant&;s larynx is positioned high in the neck, the level of glottis being opposite to C3 or C4 at rest and reaches C1 or C2 during swallowing. This high position allows the epiglottis to meet soft palate and make a nasopharyngeal channel for nasal breathing during suckling. The milk feed passes separately over the do... | 155,018 | medmcqa_train |
Shoest action local anaesthetic: | Shoest Acting LA Chlorprocaine Longest acting LA Dibucaine | 155,019 | medmcqa_train |
Most common adverse effect on eye in contraceptive usage is: | Ans. Optic neuritis | 155,020 | medmcqa_train |
Lisfranc's fracture dislocation involves: | C i.e. Trans MetatarsalRef: Fundamentals of Orthopedics, 2nd edition, Mohindra and Jain, Jay pee Publishers, page 160Explanation:Lisfranc's Fracture DislocationThe Lisfranc joint consists of the tarsometatarsal joint complex, which includes the three cuneiforms, cuboid and their articulations with the five metatarsal b... | 155,021 | medmcqa_train |
Which among the following is not involved in PQLI? | Ans: c (Per capita income) Ref: Park, 19th ed, p. 16Physical quality of life index (PQL1) include:1. Infant mortality rate2. Life expectancy at age one3. Literacy rateScale of PQLI varies from 0 to 100.Human Development Index (HDI)It includes:1. Life expectancy at birth (Longevity)2. Knowledge (Adult literacy rate and ... | 155,022 | medmcqa_train |
A patient suffering from AIDS presents with a history of dyspnea and non-productive cough x-ray shows bilateral perihilar opacities without pleural effusion and lymphadenopathy. Most probable etiological agent is – | Dyspnea with a nonproductive cough, and bilateral perihilar opacities without pleural effusion and lymphadenopathy, in an AIDS patient suggest the diagnosis of P. Carinii pneumonia.
In TB, cough is productive (with sputum) and there is associated lymphadenopathy. Pleural effusion may also occur. | 155,023 | medmcqa_train |
Which of the following is live attenuated vaccine- | Ans. is 'b' i.e., Sabin polio vaccineo Vaccine is an immuno-biological substance designed to produce specific protection against a given disease. It stimulates the production of protective antibody and other immune mechanisms. Vaccine may be of following types:-1) Live vaccines# Live vaccines are produced by organisms ... | 155,024 | medmcqa_train |
Most common GI malignancy of childhood | Ans. is 'b' i.e., Lymphoma Over all hemangioma is most common Tumor in infant. Hemangioma is usually benign in Nature. Leukemia is most common malignancy in pediatric age gyp. 2"' most common is CNS Tumor = Lymphoma is the most common malignancy of the gastrointestinal tract in children. About 30% of children with non-... | 155,025 | medmcqa_train |
True statement regarding 'Fistula in ano' is: | Intersphincteric fistula is the most common type of 'fistula in ano'. Ref: Bailey and Love's Sho Practice of Surgery, 25th Edition, Page 1263. | 155,026 | medmcqa_train |
Which of the following is FALSE regarding Neurofibromatosis inheritance: | NEUROFIBROMATOSIS (NF) NF - 1/Von Recklinghausen's Disease NF-2/Bilateral acoustic neurofibromatosis Most common single gene disorder affecting human nervous system. Peripheral neurofibromatosis, is due to defect in chromosome 17. AD inheritance 100% penetrance Due to defect in long arm of chromosome 22. AD inheritance... | 155,027 | medmcqa_train |
IPC section for punishment for purjury is | Punishment for perjury is dealt under IPC 193 IPC 191-deals with perjury IPC 192-fabricating false evidence IPC 197-issuing or signaling false evidence Refer :textbook of Forensic Medicine and toxicology PG no 15,2nd edition | 155,028 | medmcqa_train |
Total lung capacity depends on | The extent to which the lungs will expand for each unit increase in transpulmonary pressure (if enough time is allowed to reach equilibrium) is called the lung compliance.The total compliance of both lungs together in the normal adult human averages about 200 milliliters of air per centimeter of water transpulmonary pr... | 155,029 | medmcqa_train |
Organophosphates bind to | (Ref: KDT 6/e p99-100) The active region of Acetylcholinesterase (AChE) has two sites i.e. an anionic site and an esteratic site. Anticholinesterase poisoning like Organophosphate compounds binds to esteratic site of AChE. | 155,030 | medmcqa_train |
Necrotizing fascitis is caused by - | Ans. is 'b' i.e., Beta hemolytic streptococci The spectrum of infections of the deep soft tissues ranges from localized bacterial, viral and parasitic lesions to rapidly spreading, tissue destructive infections such as necrotizing fascitis and myonecrosis. A) Pyomyositis :- It is common in tropics, therefore also calle... | 155,031 | medmcqa_train |
Which of the following tests on maternal serum is most useful in distinguishing between open neural tube defects and ventral wall defects in a fetus? | In patients with elevated amniotic fluid AFP to differentiate between NTD and abdominal wall defect, acetylcholinesterase and pseudocholinesterase are measured: | 155,032 | medmcqa_train |
Intestine get strengulated most commonly in which space | When strangulation occurs, the bility of the bowel is threatened secondary to a compromised blood supply. Causes of strangulation: External # Hernial orifices # Adhesions/bands Interrupted blood flow # Volvulus # Intussusception Increased intraluminal pressure # Closed-loop obstruction Primary # Mesenteric infarction R... | 155,033 | medmcqa_train |
Which one of the following drug is a Corticosteroid Synthesis Inhibitor? | (A) Metyrapone [?]METYRAPONE is an inhibitor of endogenous adrenal corticosteroid synthesis used in the treatment of hypercortocolism.oMechanism of action: Selectively inhibits11-b-hydroxylase, which converts 11-deoxycortisol to cortisol in the terminal reaction of the glucocorticoid biosynthetic pathway.oBecause of th... | 155,034 | medmcqa_train |
Which of the proteins connect Z lines to M lines? | It is the largest protein.
It binds Z lines to M lines
It prevents overstretching of sarcomere | 155,035 | medmcqa_train |
Which of the following is not transmitted from father to male child: March 2011 | Ans. B: X-linked recessiveAn male affected with X-linked recessive disorder does not transmit the disorder to his son, hut all daughters are carriersX-linked recessive inheritanceIt is a mode of inheritance in which a mutation in a gene on the X chromosome causes the phenotype to be expressed- In males (who are necessa... | 155,036 | medmcqa_train |
Percentage of glutaraldehyde used - | 2% glutaraldehyde is standard use in sterilization method Table 3.2 commonly used concentaion of disinfectant REF:Ananthanarayan & Panicker's Textbook of Microbiology 9th edition pg no:37 | 155,037 | medmcqa_train |
Which of the following lesion shows characteristic anagen, catagen and telogen phases? | Kerato acanthoma is a self healing carcinoma.
It shows growth phase, stationary phase, regression phase. | 155,038 | medmcqa_train |
The first change in precancerous lesion on colposcopy is | The first change in precancerous lesion is punctuation | 155,039 | medmcqa_train |
All are true predisposing factors for gallstone formation, except: | All others are true. Estrogens stimulate hepatic lipoprotein receptors, increase uptake of dietary cholesterol, and increase biliary cholesterol secretion, and leads to gallstone formation. Reference: Harrisons Principles of Internal Medicine, 18th Edition, Page 2618, Table 311-1 | 155,040 | medmcqa_train |
Which of the following is a cause of acute laryngotracheal bronchitis? | ANSWER: (B) Parainfluenza virusREF: Anantnarayan 8th ed p. 515* M ost s erious dis ease caused by parammyxovirus is: croup or laryngotracheobronchitis* Most common: parainfluenza type 1* Most common symptom: common cold* Most common symptom: common coldA specific diagnosis is established by detection of virus in respir... | 155,041 | medmcqa_train |
Which medication cannot be given in diarrhea in pregnancy - | Ans. is 'b' i.e., Stimulant purgatives Stimulant purgatives* They are powerful purgatives: often produce griping. They irritate intestinal mucosa and thus were thought to primarily stimulate motor activity.* Though some of them do directly increase motility by acting on myenteric plexuses, the more important mechanism ... | 155,042 | medmcqa_train |
Which is not an 'Assisted Reproductive Technique' :- | Assisted Reproductive Technology (A) comprises of a group of procedures done for treatment of infeility that have in common the handling of male and female gametes outside the body. All these procedures involve surgical removal of eggs known as egg retrieval. Assisted Reproductive Techniques A. GIFT - Gametes Intra Fal... | 155,043 | medmcqa_train |
A 37-year-old HIV-positive man has had a relapsing and remitting course of motor and sensory problems for the past year, including difficulty with ambulation as well as symmetric numbness and tingling in all extremities. Nerve conduction studies show findings consistent with demyelination and remyelination. He is treat... | Chronic inflammatory demyelinating polyneuropathy (CIDP) can be seen in patients with immunologic diseases. Treatment may aid recovery, but a chronic course may ensue. Bacterial infections produce signs of acute inflammation with redness and swelling and tend not to involve nerves specifically. Some paraneoplastic synd... | 155,044 | medmcqa_train |
A young runner with history of seasonal running nose, complains of sudden onset dyspnea early morning that improved after 2-3 hours. He has history of similar episodes in the past.on examination, patient is tachypneic, diffuse polyphonic expiatory wheeze heard on auscultation of chest, His x-ray is normal. All except ... | Clinical features are suggestive of Bronchial Asthma. There is no necrosis of airway in Bronchial Asthma. | 155,045 | medmcqa_train |
Which of the following are Nada&;s major criteria for clinical diagnosis of congenital hea disease? | Nadas&; Criteria The assessment for presence of hea disease can be done using the Nadas&; criteria. Presence of one major or two minor criteria is essential for indicating the presence of hea disease. Nadas&; criteria for clinical diagnosis of congenital hea disease Major Minor Systolic murmur grade III or more Systoli... | 155,046 | medmcqa_train |
Tubular maximum for glucose is: | Glucose is typical of substances removed from the urine by secondary active transport. It is filtered at a rate of approximately 100 mg/min (80 mg/dL of plasma × 125 mL/min). Essentially all of the glucose is reabsorbed, and no more than a few milligrams appear in the urine per 24 h. The amount reabsorbed is propo... | 155,047 | medmcqa_train |
All are non-proliferative glomerulonephritis, except: | Conditions with Proliferative Glomerulonephritis : SLE (paicularly class II) HIV Membranoproliferative/Mesangiocapillary glomerulonepritis Neoplasia (CLL and MALT lymphoma) Post streptococcal glomerulonephritis Rest all options are the conditions with non proliferative glomerulonephritis. | 155,048 | medmcqa_train |
In plasma, if pH is 5 , what is the fraction of base to acid? | Ans: b (0.1)Ref: Vasudevan 4th ed/p.347According to Henderson-Hasselbach equation,pH = pKa + log (pKa= pH at which the acid is half ionised. It is a constant)The most important buffer system in plasma is bicarbonate- carbonic acid system. pKa for carbonic acid is 6.1 .pH = pKa + log rbasel5 = 6.1 + log log rbasel = -1.... | 155,049 | medmcqa_train |
Moclobemide is - | Ans. is 'c' i.e., MAO inhibitor o Moclobemide is a reversible inhibitor of MAO-A (RIMA). | 155,050 | medmcqa_train |
Regarding cutaneous amoebiasis, which is not true? | Ans. is 'd' i.e., The infection reaches the skin through the blood streamCutaneous amoebiasis-It is usually seen over the region adjoining a visceral lesion, e.g., area of drainage of liver abscess or colostomy wound or from the rectum perianally. | 155,051 | medmcqa_train |
Content of meningocele? | Ans. is 'a' i.e., Dura mater [Ref: Ghai 8th/e p. 576)Meningocele* There is protrusion of meninges (dura mater, arachnoid mater) through a defect in neural arch. This contains only CSF. There may be associated genital tract abnormalities, e.g. vaginal septa and rectovaginal fistula.Myelomeningocele (meningomyelocele)* T... | 155,052 | medmcqa_train |
Maple syrup urine disease is due accumulation of | Maple syrup urine disease is also called branched-chain ketonuria The basic defect is deficient decarboxylation of branched-chain ketoacids.Ref: DM Vasudevan - Textbook of Biochemistry, 7th edition, page no: 230 | 155,053 | medmcqa_train |
During autopsy, if spinal cord is to be examined what is the most commonly used approach: | B ie Posterior For spinal cord autopsy examination body is placed prone on table and incision is made on the back in midline extending from, occipital protuberance to the lower end of sacrum, (posterior approch)Q - Reddy Autopsy of spinal cord can be done either from posterior (most common)Q or anterior approach. High ... | 155,054 | medmcqa_train |
In which of the following weapons, empty caridge case is ejected after firing | C i.e. Pistol | 155,055 | medmcqa_train |
Which cranial nerve is involved in Weber syndrome? | Ans. is 'b' i.e., III Focal vascular syndromes of the midbrainSyndrome nameRegionVascular supplyAnatomical structure(s)Clinical feature (s)Weber's syndromeMidbrainBranches of PCA and top of basilar arteryOculomotor nerve fasciclesIpsilateral third-nerve palsyClaude's syndromeMidbrain tegmentum nerve palsyBranches of PC... | 155,056 | medmcqa_train |
Following result after chronic edema to legs EXCEPT? | Ans. (d) Varicose veinsRef: Bailey & Love 26th ed. / 593/903* Varicose veins are a cause of chronic leg edema and not a result of chronic leg edema.* Edema is defined as a palpable swelling caused by an -increase in interstitial fluid volume. The most likely cause of leg edema in patients over age 50 is venous insuffic... | 155,057 | medmcqa_train |
Railway spine is associated with: March 2013 (d, h) | Ans. B i.e. Railway accidents Railway spine It was a nineteenth-century diagnosis for the post-traumatic symptoms of passengers involved in railroad accidents. The first full length medical study of the condition was John Eric Erichsen's classic book, On Railway and Other Injuries of the Nervous System. For this reason... | 155,058 | medmcqa_train |
Lady with Mitral stenosis and mitral regurgitation with full term gestation, obstetrician planning to conduct normal delivery, what would be analgesia of choice? | Pain relief is impoant for hea disease patients as pain can cause tachycardia, which in turn can cause cardiac failure. in hea disease patients vaginal delivery is indicated. C section done for obstetric indications only Epidural and spinal techniques are the most effective means of providing pain relief for labor. The... | 155,059 | medmcqa_train |
Early adolescence age is | Adolescence is the stage of transition from childhood to adulthood. Early adolescence ( 10-13yrs) Mid adolescence ( 14-16yrs) Late adolescence (17-19yrs) Ref: Ghai, 9th edition, Chapter 5 | 155,060 | medmcqa_train |
Specificity of a screening test measures - | Ans. is 'd' i.e. True negatives Repeat from May 06Sensitivity is the ability of test to identify correctly all those who have the disease, i.e. 'true positives'.Specificity is the ability of a test to identify correctly those who do not have the disease, i.e. 'true negatives'. | 155,061 | medmcqa_train |
Small pox vaccine was invented by | Small pox vaccine Introduced by Edward Jenner in 1796, was the first successful vaccine to be developed Ref : Park's Textbook of Preventive and Social Medicine; 23rd edition | 155,062 | medmcqa_train |
A 8-year-old boy rapidly develops hypoglycemia after moderate activity. On examination, doll like face and the liver and kidneys are found to be enlarged. Blood examination reveals raised levels of ketone bodies, lactic acid, and triglycerides. Histopathology of the liver shows deposits of glycogen in an excess amount.... | Inheritance: Autosomal recessive Definitive diagnosis - liver biopsy Fructose and galactose restriction in the diet is advised. Reference: Harper's Illustrated Biochemistry 30th Edition Page no 179 | 155,063 | medmcqa_train |
Shortest acting non depolarizing muscle relaxant is- | Ans. is 'a' i.e., Mivacurium o Suxamethonium (succinylcholine) is the shortest acting skeletal muscle relaxant,o Mivacurium is the shortest acting nondepolarizing skeletal muscle relaxant. | 155,064 | medmcqa_train |
A 5 year old female patient complains of deformed shape of legs. Patient is a strict vegetarian. Lab investigations reveal elevated level of alkaline phosphatase. This patient may be suffering from deficiency of- | Deficiency of vitamin D causes rickets in children and osteomalacia in adults. The weight bearing bones are bent to form bow-legs. In rickets, the plasma level of calcitriol is decreased and alkaline phosphatase activity is elevated.
Satyanarayana- Biochemistry, 3rd edition, pg-127 | 155,065 | medmcqa_train |
Incidentally findings, in CT scan, a 3cm adrenal mass, which of the following is NOT- done | (Adrenalectomy) (816- B&L 24th) (812-Baily &Love 25th)* A unilateral non functioning adrenal mass greater than 4cm in diameter is an indication for adrenalectomy. The patient with a mass smaller than 4cm in diameter should undergo repeat CT/MR1 -4-6 months after the previous examinationINVESTIGATIONSFunctioning adrenal... | 155,066 | medmcqa_train |
Which clotting factor is required for stabilization of fibrin clot? | The fibrin is initially a loose mesh of interlacing strands. It is conveed by the formation of covalent cross-linkages to a dense, tight aggregate (stabilization). This latter reaction is catalyzed by activated factor XIII ie XIIIaVIII - Antihemophilic factor (AHF), antihemophilic factor A, antihemophilic globulin (AHG... | 155,067 | medmcqa_train |
Name the operation shown here. | Ans. (a) Boari Flap operation* Boari Flap operation - For lower ureteric injuries the bladder is used to reconstruct the gap as shown here.* Ureteric injury must be repaired immediately. | 155,068 | medmcqa_train |
M.C. type of cutaneous T.B. is - | Most common type of cutaneous tb is lupus vulgaris iadvl textbook of dermatology , page 245 | 155,069 | medmcqa_train |
True statement about Kiesselbach's Plexus | Kiesselbach's Plexus
→ Large capillary network in anteroinferior part of vestibule of septum.
→ Contains anastomoses between:
Sphenopalatine artery and its branches.
Superior labial branch of facial artery.
Greater palatine artery.
Anterior ethmoidal artery.
→ This is known as Little's area.
→ Little's area - Common ... | 155,070 | medmcqa_train |
Which one of the following aeries pierces the oblique popliteal ligament of the knee joint? | OBLIQUE POPLITEAL LIGAMENT:- Expansion from the tendon of semimembranosus. Runs upwards and laterally, blends with the posterior surface of the capsule, and is attached to the intercondylar line and lateral condyle of femur. Related to politeal aery. Structures piercing the ligament:-1. Middle Genicular vessels.2. Post... | 155,071 | medmcqa_train |
Hyperacute rejection occurs within: | Ref. Robbins Pathology. 9th edition. Page. 233
Hyperacute Rejection
This form of rejection occurs within minutes or hours after transplantation.
A hyperacutely rejecting kidney rapidly becomes cyanotic, mottled, and flaccid, and may excrete a mere few drops of bloody urine.
Immunoglobulin and complement are deposite... | 155,072 | medmcqa_train |
A 33-year-old woman presents with a 3-day history of seeing "spots" floating around in her eye. Today, she notes streaks of light in the same eye accompanied by a "shadow" in her peripheral vision that moves when looking up and down. Her medical history is significant for migraine headaches; however, she has never had ... | Retinal detachment: The history suggests retinal detachment. the vitreous detach from the retina and causes the perception of "floaters" Vitreous detaching from the retina may cause a peripheral "horseshoe" tear in susceptible areas of the retina. The tear allows fluid within the vitreous to accumulate under the retina... | 155,073 | medmcqa_train |
All are food fortification except:(1994) | Ans: aRef: Park, 17th ed, p. 453 & 18th ed, p. 480, 481 | 155,074 | medmcqa_train |
Which of the following feature is common to both cytotoxic T-cells and NK cells? | Cytotoxic T lymphocytes plays a protective role against virus associated neoplasms (EBV and HPV induced tumors) and have been demonstrated in the blood and tumor infiltrates of cancer patients.NK cells have the innate ability to lyse a variety of tumor cells, virally infected cells and some normal cells without prior s... | 155,075 | medmcqa_train |
Defect seen in Vitiligo is: September 2010 | Ans. B: Absent melanocytes Vitiligo is a chronic disorder that causes depigmentation of patches of skin. It occurs when melanocytes, the cells responsible for skin pigmentation, die or are unable to function. The cause of vitiligo is unknown, but research suggests that it may arise from autoimmune, genetic, oxidative s... | 155,076 | medmcqa_train |
Example of cold burn is /are: | Cold burns include
Freezing injuries (frostbite)
Non-freezing cold injuries e.g. chilblain (localized painful erythema in the fingers, toes or ears produced by cold damp weather)
Trench foot seen in soldiers
Immersion foot occurring in shipwrecked persons. | 155,077 | medmcqa_train |
In metabolic acidosis which of the following changes are seen? | K+ secretion into the renal tubules when the H+ secretion is increased (intracellular Buffering of H+). Thus in metabolic acidosis, there is decreased K+ excretion. Factors afffecting K+ distribution between ECF and ICF concentration Shift Of K+ into the cell - Decrease in ECF K+ Shift Of K+ out of the Cell - Increase ... | 155,078 | medmcqa_train |
Best index for chronic malnutrition is: September 2010 | Ans. A: Height for age | 155,079 | medmcqa_train |
The highest concentrations of Vitamin A is seen in - | Ans. is 'b' i.e., Codliver oil Amongst the given options, cod liver oil has highest concentration. | 155,080 | medmcqa_train |
Break bone fever is ? | Ans. is 'b' i.e., Dengue fever White disease AIDS Povey disease - Cholera Hundred day cough: Peussis (Whooping cough) 5 day fever: Trench fever 8' day disease: Tetanus Black sickness: Kala azar Black death: Plague Cerebrospinal fever: Meningococcal meningitis Breakbone fever: Dengue Koch's phenomenon: Tuberculosis Hans... | 155,081 | medmcqa_train |
Ureteric constriction is seen at all the following positions, EXCEPT: | Each ureter measures about 10 in. (25 cm) long and resembles the esophagus (also 10 in. long) in having three constrictions along its course. The sites of ureteric constrictions include: where the renal pelvis joins the ureter, where it is kinked as it crosses the pelvic brim, and where it pierces the bladder wall.Ref:... | 155,082 | medmcqa_train |
The virus with smallest genome is ? | Ans. is 'b' i.e., Parvovirus . Smallest genome ----> Parvovirus . Largest genome --> Poxvirus | 155,083 | medmcqa_train |
The common feature of Nuclear Localization Signals is | Many nuclear proteins contain NLSs that are rich in basic arginine and lysine residues, which may be located anywhere in the polypeptide chain. Reference: Harper; 30th edition | 155,084 | medmcqa_train |
Superior pa of IVC develops from which pa? | Anterior cardinal vein and subcardinal vein will be degenerated during development where as sacrocardinal segment forms the inferior pa. Reference: TEXTBOOK OF CLINICAL EMBRYOLOGY.... VISHRAM SINGH SECOND EDITION....PAGE NO:245 | 155,085 | medmcqa_train |
Apparant volume of distribution of a drug less than 5 liters implies that the drug is predominantly in which of the following compament? | Ans is 'a' i.e., Extracellular fluido A drug with high volume of distribution has more concentration in tissue and less in plasma.o A drug with low volume of distribution has concentration only in plasma (intravascular)Relationship between volume of distribution and extent of distributionVd (L)% body weightExtent of di... | 155,086 | medmcqa_train |
Polychromatic luster type of cataract seen in - | Ans. is 'a' i.e., Complicated cataract o See above explanation | 155,087 | medmcqa_train |
True about Bain circuit – a) Mapleson type Bb) Mapleson type Dc) Can be used for spontaneous respirationd) Can be used for controlled vantilatione) Coaxial | Bain circuit (type D Mapleson) is a co-axial system.
It is the circuit of choice for controlled ventilation.
It can also be used for spontaneous ventilation. | 155,088 | medmcqa_train |
True about fat embolism | B i.e. Patechae | 155,089 | medmcqa_train |
Ultrasonography transducer contain – | Lead zirconate titanate (PZT) is the most widely used material in the ultrasound transducers / probes replacing the firstly discovered barium titanate. | 155,090 | medmcqa_train |
All are true/ except regarding patch test | C. i.e. Angry back lit false negative test The gold standard method for the diagnosis of allergic dermatitis resulting from type IV delayed hypersenstivityQ. Such as allergic contact dermatitis (ACD) & air borne contact dermatitis (ABCD)Q remains the patch test. It is read after 48 hours (2 days)Q Type 1 hypersensitivi... | 155,091 | medmcqa_train |
Voricanazole is not effective against | Refer Harrison 17th/1243 Voricanazole is drug of choice for treatment of Aspergillosis. It can also be used for Candida species Mucormycosis is treated by Amphotercin B.Posaconazole can also be used | 155,092 | medmcqa_train |
All of the following reactions are catalysed by microsomal enzymes except | Ref-KDT 6/e p25 Most of the Phase 1 reactions and Glucuronide conjugation(phase II reaction)are catalysed by microsomal enzymes.these enzyme can be induced or inhibited by drugs .acetylation is carried out by N-acetyl transferase,a non microsomal enzyme | 155,093 | medmcqa_train |
CAP in LAC operon is an example of:(AIIMS Nov 2011, May 2011) | Ans. a. Positive regulator (Ref: Lippincott 4/e p418-420)CAP in LAC operon is an example of positive regulator."CAP-cAMP regulator is a positive regulator for Lac operonQ because its presence is required for gene expression."Operon is the segment of DN A strand, consisting of cluster of several genes involved in metabo... | 155,094 | medmcqa_train |
Gluten-sensitive enteropathy is most strongly associated with | Celiac disease (gluten-sensitive enteropathy)*Genetic predisposition: HLA-DQ2 and HLA-DQ8*Pathogenesis: Gluten contains an alcohol-soluble fraction called "gliadin" which resist degradation by gastric, pancreatic and small intestinal proteases. Such gliadins induce CD8+ T cell response and damage epithelial cells. Thro... | 155,095 | medmcqa_train |
Epiphyseal enlargement is seen in: | Ans. Juvenile rheumatoid ahritis | 155,096 | medmcqa_train |
Which of the following vessels have the function of capacitation? | Capacitation is the penultimate step in the maturation of mammalian spermatozoa and is required to render them competent to feilize an oocyte. This step is a biochemical event; the sperm moves normally and looks mature prior to capacitation.Ref: Ganong&;s review of medical physiology;24th edition; page no:-423 | 155,097 | medmcqa_train |
Which of the following is a cyanotic hea disease: | CLASSIFICATION OF CONGENITAL HEA DISEASES: Acyanotic hea disease Cyanotic hea disease - VSD - ASD - PDA -TOF -Tricuspid atresia -Pulmonary atresia with intact septum -Transposition of great aeries -TAPVC -Truncus aeriosus -Ebstein anomaly BASED ON PATHOPHYSIOLOGY: | 155,098 | medmcqa_train |
Which one of the following diseases characteristically causes fatty change in liver? | Fatty liver is also known as hepatic steatosis. It happens when fat builds up in the liver. Having small amounts of fat in your liver is normal, but too much can become a health problem When fatty liver develops in someone who drinks a lot of alcohol, it's known as (AFLD) Refer robbins 9/e | 155,099 | medmcqa_train |
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