query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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A patient died during surgery. The relatives allege that death was due to negligence. According to a recent Supreme Cou judgment, doctor can be charged for Medical Negligence under section 304-A, only if: | Ans. c. There is gross negligence A physician can be charged with criminal negligence in Section 304 A, when a patient dies from the effects of anesthesia during, an operation or other kind of treatment, if it can be proved that the death was the result if malicious intention, or gross negligence. "Section 304-A deals ... | 5,000 | medmcqa_train |
Localization in insulinoma is best with - | The insulinoma might be localized by noninvasive means, using ultrasound, CT scan, or MRI techniques. An indium-111 pentetreotide scan is more sensitive than ultrasound, CT, or MRI for detection of somatostatin receptor positive tumors, but not a good diagnostic tool for insulinomas. An endoscopic ultrasound has a sens... | 5,001 | medmcqa_train |
The nerve mediating pain of External hemorrhoids is: | -External hemorrhoids --> present below pectinate line , painful bleeding is present --> pain carried by Inferior Rectal Nerve (branch of pudendal nerve). -Internal haemorrhoids --> present above pectinate line --> painless bleeding is its feature. | 5,002 | medmcqa_train |
Myelin sheath in the central nervous system is formed by | Oligodendrocytes are responsible for myelination in the CNS. In the PNS, Schwann cells form the myelin sheath. The process of myelination begins before bih and is not complete until a year or more after bih. (Ref: Vishram Singh textbook of neuroanatomy, second edition, pg- 19) | 5,003 | medmcqa_train |
Female presents with history of color change from pallor to cyanosis on exposure to cold in fingers. This condition is mostly associated with? | A. i.e. Scleroderma Raynaud's phenomenon (i.e. cold/vibration/emotional stress-exposure Vt pallor --> cynosis & finally erythemaQ of digits, ear & tip of nose) is almost always present (along with skin sclerosis) and is often earliest featureQ of Systemic sclerosis (Scleroderm). It may precede extensive skin & internal... | 5,004 | medmcqa_train |
True statements are all except: | 1.) The gene encoding for MHC molecules are clustered on small segment of chromosome 6. 2.) MHC II molecules are present on all the APC's (Antigen Presenting Cells), and Monocyte are type of Antigen Presenting cell. 3.) Class III is present adjacent to Class I and Class II. 4.) Class III encodes for complement protein. | 5,005 | medmcqa_train |
Hypothyroidism is caused by which of the following anti-tubercular drug - | Ans. is 'a' i.e., PAS Adverse effects of para-amino salicylic acid (PAS) --> Anorexia, nausea, epigastric pain, rashes, goiter (hypothyroidism), fever, malaise, liver dysfunction, and blood dyscrasias. Adverse effects of ethionamide :Anorexia, nausea, vomiting, abdominal pain, hepatitis, optic or peripheral neuritis, m... | 5,006 | medmcqa_train |
During growth cycle of a child, usually at what age childhood ends and adolescence stas? | WHO/UN definitions: Adolescent - 10-19 years Youth - 15-24 years Young people - 10-24 years Ref: Ghai essential pediatrics, 6th edition, Page 66. | 5,007 | medmcqa_train |
Which of the following can lead to infiltration of ear lobules, loss of nails and resorption of distal phalanges? | Ans. B. Lepromatous leprosy. (Ref. Harrison's 18th/pg. 1362)LEPROSYSpecific symptoms vary depending on the type of leprosy.# Tuberculoid leprosy: A rash appears, consisting of one or a few flat, whitish areas. Areas affected by this rash are numb because the bacteria damage the underlying nerves.# Lepromatous leprosy: ... | 5,008 | medmcqa_train |
One of the following molecules acts as a mobile electron carrier in the respiratory chain | Ref: Harper&;s Biochemistry; 30th edition; Chapter 13; The Respiratory Chain & Oxidative Phosphorylation | 5,009 | medmcqa_train |
Symptom of hypoglyemia is - | Ref - Davidsons 23e p739 | 5,010 | medmcqa_train |
True about DNA structure | Deoxyribonucleic acid (DNA) stores information for the synthesis of specific proteins. DNA has deoxyribose as its sugar. DNA consists of a phosphate group, a sugar, and a nitrogenous base. The structure of DNA is a helical, double-stranded macromolecule with bases projecting into the interior of the molecule. These two... | 5,011 | medmcqa_train |
A 36-year-old female presents with heavy menstrual bleeding. She has one child of 7 years. USG shows a single 3x3 cm submucosal fibroid. Hemoglobin is 10.5 gm/dl. What is the best treatment option for her? | Ans. is c, i.e. Hysteroscopic myomectomyThis patient is having heavy menstrual bleeding due to fibroid, i.e. she is symptomatic and hence management has to be done. Best management in fibroid is surgery. Since she is only 36 years and has one child We will go for myomectomy.Submucous fibroid <5cm, should be removed hys... | 5,012 | medmcqa_train |
All of the following are true about dermatitis herpetiformis except: | IgA antibodies are seen against TTG. | 5,013 | medmcqa_train |
Delta bilirubin is ______ bilirubin _____ bound to albumin. | Delta bilirubin or biliprotein is the fraction of conjugated bilirubin that is covalently bound to albumin. This is responsible for the lab finding of persistent hyperbilirubinemia even after the disappearance of jaundice in cases of obstructive jaundice. -Chromatographic fractionation of serum bilirubin: a bilirubin u... | 5,014 | medmcqa_train |
Cushing syndrome as paraneoplastic syndrome is seen with all malignancies, EXCEPT: | Paraneoplastic Syndrome Ectopic Hormone Typical Tumor Hypercalcemia of malignancy Parathyroid hormone-related protein Squamous cell (head and neck, lung, skin), breast, genitourinary, gastrointestinal 1,25 dihydroxyvitamin D Lymphomas Parathyroid hormone Lung, ovary Prostaglandin E2 (PGE2) Renal, lung Syndrome of inapp... | 5,015 | medmcqa_train |
Prevention of emergence of risk factor is - | It is the prevention of the emergence or development of risk factors in countries or population groups in which they have not yet appeared. | 5,016 | medmcqa_train |
Blalock and Taussig shunt is done between - | Ans. is 'a' i.e., Aoa to Pulmonary Aery Blalock Taussig shunt consists of subclan aery (br. of aoa) and pulmonary aery anastamosis. This inturn actually establishes a shunt between the aoa (Via the subclan aery) and the pulmonary aery. Management of T.O.F. Medical Management Limited to management of complications and c... | 5,017 | medmcqa_train |
Accessory meningeal artery enters cranial cavity through: | Accessory meningeal artery is a branch of 1st part of Maxillary artery.
It enters the cranium by passing through foramen ovale.
It supplies meninges and infratemporal fossa. | 5,018 | medmcqa_train |
The following statements about thyroglossal cyst are true, except | Thyroglossal cysts are the most common cause of midline neck masses. Can occur anywhere along the path of the thyroglossal duct, from the base of the tongue to the suprasternal notch (in the midline) Treatment must include excision of the whole thyroglossal tract, which involves removal of the body of the hyoid bone an... | 5,019 | medmcqa_train |
Serum does not contain | Serum has essentially the same composition as plasma, except that its fibrinogen and clotting factors II, V, and VIII (Table 32-5). (Ref: Ganong's review of medical physiology 23rd Edition page no.530) | 5,020 | medmcqa_train |
Forbe&;s disease is due to deficiency of | Glycogen storage disease type III is an autosomal recessive metabolic disorder and inborn error of metabolism characterized by a deficiency in glycogen debranching enzymes. It is also known as Cori&;s disease in honor of the 1947 Nobel laureates Carl Cori and Gey Cori. Other names include Forbes disease in honor of cli... | 5,021 | medmcqa_train |
Adult worm of Echinococcus is found in: | Ref. Textbook of Microbiology and Immunology BY Parija. – Compiled from Various chapters | 5,022 | medmcqa_train |
All of the following are except- advantages of LMA | LMA is also called Brain mask .It is a supraglottic airway device.It is intermediate between face mask and ETT. Used in difficult airway,in minor and day care surgeries,no muscle relaxant is necessary Disadvantage is it doesn&;t prevent aspiration of gastric contents. | 5,023 | medmcqa_train |
In herpes simplex encephalitis, drugs used are, EXCEPT: | The most effective drug for herpes simplex encephalitis is acyclovir, given intravenously at a dosage of 10 to 15 mg/kg every 8 hours, with each dose given over 1 hour. Ganciclovir is an analogue of acyclovir which is active against all herpes viruses including Herpes simplex. Vidarabine is a purine nucleoside analogue... | 5,024 | medmcqa_train |
NOT a hypolipidemic drug: | Ans. (c) SomatostatinRef. KDT 6th ed. / 235SOMATOSTATIN* Somatostatin inhibits the secretion of GH, TSH and prolactin by pituitary, insulin and glucagon by pancreas and most importantly. It inhibits most of G.I secretions gastrin and HC1.* It can be used in controlling esophageal varices and bleeding peptic ulcer.* Dru... | 5,025 | medmcqa_train |
Factors that produce acute pancreatitis include all of the following except | The two leading causes associated with acute pancreatitis are alcoholism and cholelithiasis, both of which are implicated in more than 80% of cases. Less common causes of acute pancreatitis include trauma, ischaemia, shock, extension of inflammation from the adjacent tissues, bloodborne bacterial infection, viral infec... | 5,026 | medmcqa_train |
Carbenicillin: | Ans. (A) Is effective in pseudomonas infection(Ref: KDT 8/e p773)Carbenicillin is a penicillin congener effective against pseudomonas and indole positive proteus which are not inhibited by penicillin G or ampicillin/amoxicillin.It is inactive orally and excreted rapidly in urine. It is sensitive to penicillinase and ac... | 5,027 | medmcqa_train |
Topical immunomodulator used for the treatment of genital was is: | Genital wa treatments that can be applied directly to your skin include: Imiquimod (Aldara, Zyclara). This cream appears to boost the immune system's ability to fight genital was. Avoid sexual contact while the cream is on your skin. It may weaken condoms and diaphragms and may irritate. One possible side effect is red... | 5,028 | medmcqa_train |
All are true regarding staphylococcal toxin except ? | Ans. is 'b' i.e., Mainly endotoxin Impoant facts about virulence factors . Clumping factor is bound coagulase which is responsible for the slide coagulase test. . Coagulase (free coagulase) - Acts along with a coagulase reacting factor (CRF) in plasma. - Eight type of coagulase have been identified, most human strains ... | 5,029 | medmcqa_train |
Staph. aureus causes vomiting in 2 hours after eating contaminated milk product . The mechanism of action is - | Option 1, 3 Increase in cyclic AMP/GMP-accumulation of sodium chloride in the intestinal lumen- Diarrhea. Option 2 Toxin Stimulates the vagus nerve and vomiting center of brain. Acts directly on the autonomic nervous system rather than on gastrointestinal mucosa. Option 4 Cholera toxin: binds to GM1 ganglioside recepto... | 5,030 | medmcqa_train |
A patient presents with Hb of 8 gm% , WBC count of 2000/mm3 and platlet count of 60000/mm3. What is your likely diagnosis? | ANSWER: (C) Aplastic anemiaREF: Harrison's 18th ed Ch: 107It's a straight forward diagnosis of Aplastic anemia since all the three cell lines of blood are reduced. The very basic question tests your knowledge of normal blood counts | 5,031 | medmcqa_train |
Holt-Oram syndrome is characterized by? | Holt-Oram syndrome: - Autosomal dominant disorder - Characterized by - skeletal abnormalities of hands and arms like: Hypoplastic/ absent thumbs, radii Triphalangism Phocomelia - Cardiac anomalies ASD 1st degree hea block TRIPHALANGISM phacomelia | 5,032 | medmcqa_train |
Branch of facial nerve in facial canal | A. i.e. Greater petrosal nerve; C. i.e. Chorda tympani; B . i.e. N. to stapedius | 5,033 | medmcqa_train |
Ca Vulvaof the anterior pa will spread primarily to which of the following lymph nodes? | Vulval Lymphatics: Superficial component - drains the anterior two-thirdvulva, to the superficial inguinal lymph nodes Deep drainage system - draining the posterior one-third vulva is to deep inguinal nodes, external iliac, and femoral nodes In Ca Vulva the lymphatic spread is usually to the inguinal lymph nodes, which... | 5,034 | medmcqa_train |
Protein di sulphide isomerase is involved in | Disulfide bonds between and within polypeptides stabilize teiary and quaternary structures. However, disulfide bond formation is nonspecific. Under oxidizing conditions, a given cysteine can form a disulfide bond with the --SH of any accessible cysteinyl residue. By catalyzing disulfide exchange, the rupture of an S--S... | 5,035 | medmcqa_train |
Facial nerve palsy can be caused by - | Ans. is 'd' i.e., Ail of the above Causes of facial paralysis1. Central :-Brain abscess, pontine glioma, Polio, multiple sclerosis2. Intracranial part (cerebellopontine angle) :- Acoustic neuroma, meningioma, congenital cholesteatoma, metastatic carcinoma, meningitis3. Intratemporal part:-Idiopathic :- Bell's palsy, Me... | 5,036 | medmcqa_train |
Which is the thinnest pa of the lens of eye? | The lens is thinnest at the posterior pole. The crystalline lens is surrounded by a lens capsule. Lens capsule is a thin transparent elastic membrane secreted by the lens epithelial cells largely composed of type IV collagen. The capsule is 11- 15microm thick at the anterior pole. The posterior capsule thickness decrea... | 5,037 | medmcqa_train |
A 60 year old man presented with watering from his left eye since 1 year. Syringing revealed a patent drainage system. Rest of the ocular examination was normal. A provisional diagnosis of lacrimal pump failure was made. Confirmations of the diagnosis would be by: | Ans. Dacryoscintigraphy | 5,038 | medmcqa_train |
The type of mammary ductal carcinoma in situ (DCIS) most likely to result in a palpable abnormality in the breast is - | Carcinoma of the breast is divided into :
Carcinoma in situ → neoplastic cells is limited to ducts and lobules by the basement membrane.
Invasive carcinoma (infiltrating carcinoma) → cells invade beyond the basement membrane.
Caricnoma in situ :
It is of two types
A. Ductal carcinoma insitu (DCIS, intraductal carin... | 5,039 | medmcqa_train |
Not a complication of gallstone | Effects and complications of Gallstones In gallbladder In Bile duct In Intestine Silent stones Acute cholecystitis Chronic cholecystitis Mucocele Empyema Perforation Gangrene Carcinoma Obstructive jaundice Cholangitis Acute pancreatitis Gallstone ileus Ref: Sabiston 20th edition Pgno : 1492-1493 | 5,040 | medmcqa_train |
Ujjwala is for - | Ujjawala ,a comprehensive scheme to combact trafficking was launched in infia by the Ministry of Women and Child Development.REF.PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE.Editon-21.Page no.-542 | 5,041 | medmcqa_train |
Which of the following drug is useful in the prophylaxis of meningococcal meningitis? | Minocycline is used in acne and for prophylaxis of meningococcal meningitis.Ref: HL Sharma 3rd ed Pg: | 5,042 | medmcqa_train |
A 40 year old female patient presents with excessive bleeding. Patient gives a history of road traffic accident 5 hours ago and had a lacerated wound on lower back region. Blood grouping test reveals presence of Anti A antibody, Anti B antibody, Anti H antibody and Anti Rh D antibody in the serum. The blood group of th... | → Apart from A< B and O RBC of type O contains large amount of another antigen called H substance.
→ H substance is genetically different from ABO but is a precursor of A and B antigens.
→ An O group individual who inherits A or B genes but fails to inherit H gene from either parent is called Oh phenotype or Bombay blo... | 5,043 | medmcqa_train |
IOC for Bronchiectasis - | The best test to evaluate the destruction and dilatation of large airways which are filled with pus in Bronchiectasis is HRCT.
Spiral CT is preferred for pulmonary embolism.
Pulmonary angiography is done for lung sequestration and is gold standard for pulmonary embolism. | 5,044 | medmcqa_train |
M/C ovarian cancer associated with endometriosis: | Ans. is b, i.e. Clear cell tumorM/C ovarian cancer associated with endometrial cancer: Endometrioid tumorM/C ovarian cancer associated with endometriosis: Clear cell carcinoma | 5,045 | medmcqa_train |
The only Sugar normaly absorbed in the intestine against a concentration gradient is : | C i.e. GlucoseFinal products of carbohydrate digestion in intestinal chyme are glucose & fructoseQ.The glucose transpo in intestine is an example of secondary active transpo i.e., the energy of glucose transpo is provided indirectly by active transpo of Na+ out of cell. Because glucose & Na+ share the same cotranspoer ... | 5,046 | medmcqa_train |
A young patient with a headache, epiphora, bilateral nasal obstruction but no fever. Diagnosis is | CLINICAL FEATURES 1. Age and sex. Tumour is seen almost exclusively in males in the age group of 10-20 years. Rarely, it may be seen in older people and females. 2. Profuse, recurrent and spontaneous epistaxis. This is the most common presentation. The patient may be markedly anaemic due to repeated blood loss. 3. Prog... | 5,047 | medmcqa_train |
What is the recommended illumination for general office work? | The recommended illumination for casual reading is 100 lux, 400 lux for office work, 900 lux for fine assembly and for watch making 2000 - 3000 lux is recommended. Ref: Park's Textbook of Preventive Medicine, 17th Edition, Page 519. | 5,048 | medmcqa_train |
Lucio phenomenon is treated with: | Lucio phenomenon seen in leprosy- recurrent crops of large, sharply marginated, ulcerative lesions paicularly on the lower extremities. These are frequently fatal as a result of secondary infection and consequent septic bacteremia. Neither glucocoicoids nor thalidomide is effective against this syndrome. Optimal wound ... | 5,049 | medmcqa_train |
Complications of prematurity are all except | Retinopathy of prematurity is complication of prematurity. | 5,050 | medmcqa_train |
WHO definition of normal sperm count: | Normal sperm count/ml i.e. sperm concentration is 20 million/ml. | 5,051 | medmcqa_train |
Center of rotation for tipping is present at: | Uncontrolled tipping:
A single force is applied at the crown, whereby the tooth rotates around a point just apical to the CRes. The crown moves in the direction of the force and the apex of the root moves in the opposite direction. The CRes of the tooth also moves in the direction of the force.
Controlled tipping:
Exam... | 5,052 | medmcqa_train |
Relative polycythemia are caused by all of the following, EXCEPT: | High altitude is associated with physiological increase in erythropoietin levels resulting in secondary polycythemia and not relative polycythemia. Polycythemia refers to increase in RBCs, WBCs, and platelets, but in common practice is used to describe increased red cells or erythrocytosis. It can be primary, secondary... | 5,053 | medmcqa_train |
Physical quality of life index is measured by all, Except | (Refer: K. Park's Textbook of Preventive and Social Medicine, 24th edition, pg no: no: 17, 18)Human Development Index (HDI) Vs Physical Quality of Life Index (PQLI)HDIPQLIComponentsLongevity - Life expectancy at bih (LEdeg/LEdeg)Income (Real GDP per capita in PPP US$)Knowledge (Mean years of schooling - Gross enrolment... | 5,054 | medmcqa_train |
Which of the following doesn't occur during the processing of RNA? | Precursor tRNA is processed to form mature tRNA. Alterations during processing are of three types: nucloelytic reactions, nucleoside modifications, terminal additions of nucleotides. Chemical hydrolysis is not a pa of RNA processing. Poly A tailing and 5'capping occurs in the processing of RNA. Methylation and deaminat... | 5,055 | medmcqa_train |
Which cranial nerve supplies lateral rectus muscle? | Ans. C Abducens* All the extraocular muscles are supplied by CN III except lateral rectus and superior oblique.* Lateral rectus supplied by--CN VI* Superior oblique supplied by--CN IVRemember- LR6;SO4 | 5,056 | medmcqa_train |
Treatment of recently sputum positive case of pulmonary TB is | Ans. c (RMP + INH + PZM + ETM); (Ref. Park PSM 22nd/pg. 175)Treatment categories and sputum examination schedule in DOTS chemotherapy in IndiaTREATMENT REGIMENSPUTUM EXAMINATIONS FOR PULMONARY TBCategory of treatmentType of patientRegimenPret- reat- ment sputumTest at monthIF: result is-----THEN:New cases Category I Re... | 5,057 | medmcqa_train |
In a 27 yr old male most common cause of a colo-vesical fistula would be: | Diveicular disease is the most common cause of colovesical fistula, followed by colon cancer and Crohn disease. Diveicular disease and colon cancer are rare in people younger than 40 years. Here this patient is young; hence the most suitable answer is Crohn's disease. Ref: ACP Medicine: Volume 1, 2007, Page 816. | 5,058 | medmcqa_train |
Number of structural gene in Lac operon | Lactose operone or Lac operon The lac operon is a region of DNA in the genome of E. coli that contains following genetic elements ? i) Three structural genes :- These code for 3 proteins that are involved in catabolism of lactose. These genes are 'Z' gene (codes for P-galactosidase), 'Y' gene (codes for galactoside per... | 5,059 | medmcqa_train |
Chondroblastoma most commonly occurs in : | Ans. is 'c' ie Epiphysis Apley's orthopedics writes - "Chondroblastoma is one of the few lesion to appear primarily in the epiphysis" | 5,060 | medmcqa_train |
Laudanosine is metabolic end product of | Laudanosine is metabolic end product of atracurium. | 5,061 | medmcqa_train |
Cephalic index 75- 80 is seen in | Cephalic index 1.Dolicocephalic ( long headed) 70-75 2.Mesaticephalic(medium headed) 75- 80 3. Brachycephalic( sho headed) 80-85 Present study aimed at working outcephalic index in Indian students. 100 students were taken as subjects and head length, head breadth were measured. Indian males had meancephalic index of 77... | 5,062 | medmcqa_train |
Airway noise originating in the nose, nasopharynx and oropharynx is known as: | Stridor is a harsh noise produced by turbulent airflow through a paially obstructed airway. It may be inspiratory, expiratory, or both (biphasic). The term steor is used to describe airway noise originating in the nose, nasopharynx, and oropharynx; therefore, stridor is generally of laryngeal or tracheal origin. | 5,063 | medmcqa_train |
Hot flushes are experienced as a result of | Hot flushes are caused by noradrenaline, which disturbs the thermoregulatory system. Oestrogen deficiency reduces hypothalamic endorphins, which release more norepinephrine and serotonin. This leads to inappropriate heat loss mechanism. Other causes that can be associated with the symptom of hot flushes include: thyroi... | 5,064 | medmcqa_train |
In Alzheimer's disease (AD) which of the following is not seen: | B i.e. Acalculia | 5,065 | medmcqa_train |
Parietal cells in the stomach secrete a protein crucial for the absorp on of vitamin B12 by the ileum. What is this protein? | . | 5,066 | medmcqa_train |
How many parathyroid glands do humans have? | Parathyroid glands: The parathyroid glands are small, yellowish-brown, ovoid or lentiform structures, usually lies between the posterior lobar borders of the thyroid gland and its capsule.
They are commonly 6 mm long, 3-4 mm across, and 1-2 mm from back to front, each weighing about 50 mg.
Usually, there are two on eac... | 5,067 | medmcqa_train |
A 45-year-old man is worried about a dark pigmented skin lesion on his arm. The "mole" is 3 mm wide, symmetric with a regular border and even pigmentation. He reports no change in size or other symptoms. Which of the following is the most appropriate next step in management? | (a) Source: (Kasper, pp. 500-502) Observation alone is adequate for this lesion. The "ABCD" rules are helpful in distinguishing benign skin lesions from malignant melanoma. (A) asymmetry, benign lesions are symmetric; (B) border irregular, most nevi have clear-cut borders; (C) color variation, benign lesions have unifo... | 5,068 | medmcqa_train |
Unconjugated hyperbilirubinemia- | Normal adults contain less than 1mg/dL of total bilirubin out of which less than 0.25 mg/dL is conjugated bilirubin. Unconjugated bilirubin is estimated by substracting direct bilirubin value (Harsh mohan page 593) | 5,069 | medmcqa_train |
25 years old gentleman has repeated thoughts that he has not locked his car door properly and frequently checks it while driving. He also repeatedly checks locks in his house. Diagnosis is | Obsessive compulsive disorder (OCD) and obsessive compulsive personality disorders a(OCPD)two different types of disorders OCD is classified under anxiety disorders whereas OCPD is classified under personality disorder Patients with OCD have recurrent, irresistible, irrelevant and intrusive thoughts that are EGO DYSTON... | 5,070 | medmcqa_train |
Most common false neurological sign is: | Diplopia REF: Journal of Neurology, Neurosurgery Psychiatry 2003; 74:415-418 Doi:10.1136/ jnnp.74.4.415, Neurological signs have been described as "false localizing" if they reflect dysfunction distant or remote from the expected anatomical locus of pathology. False localizing signs occur in two major contexts: as a co... | 5,071 | medmcqa_train |
Umami taste is evoked by | Glutamic acid is responsible for umami taste Ref: guyton and hall textbook of medical physiology 12 edition page number: 713,714,715 | 5,072 | medmcqa_train |
The following anti T.B. drug should not be given to AIDS patient- | Ans. is 'a' i.e., Rifampicin | 5,073 | medmcqa_train |
Banding technique most commonly employed for cytogenetic analysis | G-banding (most common) R-banding Q-banding C-banding T-banding G stands for Giemsa R stands for "reverse" Q stands for Quinacrine Fluoroescent dye C stands for Constitutive heterochromatin or Centromere T stands for telomeres to produce a visible karyotype Dark regions are heterochromatin (AT) Light regions are Euchro... | 5,074 | medmcqa_train |
In a CA lung patient is suffering from dyspnoea, the palliation of dyspnoea is achieved by | Morphine is used for dyspnea in terminally ill cancer patients by : Both endogenous (b-endorphin) and exogenous (morphine) opioids modulate the perception of dyspnea by binding to opioid receptors. Proposed mechanisms whereby opioids relieve refractory dyspnea include decreasing respiratory drive with an associated dec... | 5,075 | medmcqa_train |
True about Moorens ulcer: March 2007, March 2013 | Ans. B: Affects cornea Mooren's ulcer is a rare, painful, inflammatory condition affecting one or both eyes that results in the destruction of corneal tissue. The cause of Mooren's ulcer is unknown. It is generally agreed that it is an autoimmune condition. Pain is almost always associated with the onset of Mooren's ul... | 5,076 | medmcqa_train |
Thanatology deals with | Ans) a (Death in all aspects) Ref.KNS Reddy 20th ed p 122Thanatology deals with death in all aspects.There is a progression from clinical death to brain death, biological death, biological death and then cellular death. Brain death follows immediately clinical death due to lack of oxygen. First the cerebral cortex, the... | 5,077 | medmcqa_train |
Spontaneous CSF leak associated with all except | spontaneous cerebrospinal fluid leak (SCSFL) is a medical condition in which the cerebrospinal fluid (CSF) surrounding the human brain and spinal cord leaks out of the surrounding protective dural sac for no apparent reason. A spontaneous CSF leak, as opposed to traumatically caused CSF leaks, arises idiopathically Con... | 5,078 | medmcqa_train |
The enzyme which transcripts a double stranded DNA copy from a single stranded RNA template molecule is: | Reverse transcriptase transcripts a double stranded DNA copy from a single stranded RNA template. This enzyme is programmed to use a single-stranded RNA template, and to synthesize a complementary DNA (cDNA) strand. Ref: Measuring Gene Expression, Matthew B. Avison, 2007, Page 135 | 5,079 | medmcqa_train |
What is the rationale behind xenobiotic metabolism by CYP enzymes? | the aim of xenobiotics metabolism is to increase water solubility so that these compounds can be exceed through urine. (Ref-Goodman Gillman 12th/e p124/125) | 5,080 | medmcqa_train |
Treatment of C. difficile infection | Ans. d (All of the above) (Ref H-17th/820; KDT 6th!731; Table 123-2)Pseudomembranous enetrocolitis is associated with use of:Rx of Pseudomemb colitis:# Clindamycin# Metronidazole and vancomycin-drug of choice.# Aminoglycosides# Oral Rx for Cl. difficile-Asso Disease include:# Tetracyclines- Placebo or discontine offend... | 5,081 | medmcqa_train |
All are true about SALK vaccine except - | Ans. is 'c' i.e., It is contraindicated in immunocompromised patients Advantages of IPV 1) Being an inactivated vaccine, it is safe to administer in - i) Persons with immunodeficiency ii) Persons undergoing coicosteroid or radiotherapy iii) During pregnancy 2) One or two doses of live vaccine (OPV) can be given safely ... | 5,082 | medmcqa_train |
All are associated with chronic osteomyelitis except- | Complications of chronic osteomyelitis
Following complications can occur : -
Acute exacerbation Growth abnormalities due to damage to adjacent growth plate: - Shortening, Deformities.
Pathological fracture
Joint stiffness
Sinus tract malignancy (very rare): - Squamous cell carcinoma
Amyloidosis | 5,083 | medmcqa_train |
Stapedius nerve is a branch of ? | Ans. is 'b' i.e., Facial nerve Branches of facial nerve In fallopian (facial canal) :- Greater petrosal (greater superficial petrosal) nerve, nerve to stapedius, chorda tympani.At its exit from stylomastoid foramen :- Posterior auricular, digastric nerve, stylohyoid nerve.Terminal branches :- Temporal, zygomatic, bucca... | 5,084 | medmcqa_train |
'Intermediate form' of Non Hodgkin's lymphoma is - | Working formulation of NHL for clinical use is as follows:
Low grade :
small lymphocytic
Follicular, predominantly small cleaved cell
Follicular mixed
Intermediate Grade :
1. Follicular predominantly large cell
2. Diffuse small, mixed, as well as large cell.
High grade :
L... | 5,085 | medmcqa_train |
When a person stands suddenly from lying down posture, there is | (A) Increased tone of capacitance vessels. > It occurs due to noradrenergic impulses causing venoconstriction via their action on a1 and a2 - adrenergic receptors on systo veins. | 5,086 | medmcqa_train |
True about Trendelenburg operation is | Tredelenburg Operation Consists of saphenofemoral junction flush ligation & Greater saphenous vein (GSV) stripping All four tributaries (superficial Inferior epigastric, superficial circumflex iliac, deep & superficial external pudendal veins) is divided Ligate the GSV deep to all tributaries flush with the common femo... | 5,087 | medmcqa_train |
Sub-valvular Aoic Stenosis is known to be associated with all of the following, except: | Answer is C (Tricuspid valve atresia) Tricuspid Valve Atresia is not associated with Subvalvular Aoic Stenosis. Subvalvular Aoic Stenosis (Subaoic Stenosis) Subaoic stenosis is defined as obstruction to left ventricular outflow below the aoic valve. It is the second most common form of fixed aoic stenosis. The most com... | 5,088 | medmcqa_train |
Incubation period of Nipah virus | Ref:Park's Textbook of Preventive and Social Medicine 25th Ed Pg.310 | 5,089 | medmcqa_train |
Drug indicated in case of subarachnoid hemorrhage: | Ans. A. NimodipineNimodipine is cerebro selective calcium channel blocker. Given in patients with hemorrhagic stroke. Nicardipine also have similar effects. This drugs reverse the cerebral vasospasm. | 5,090 | medmcqa_train |
Ayushman Bharat is | Ayushman Bharat is National Health Protection Scheme, which will cover over 10 crore poor and vulnerable families (approximately 50 crore beneficiaries) providing coverage up to 5 lakh rupees per family per year for secondary and teiary care hospitalization. Ayushman Bharat - National Health Protection Mission will sub... | 5,091 | medmcqa_train |
Autoimmune hemolytic anaemia is seen in: | About 15% of patients develop autoantibodies ( IgG )against their own red cells or platelets which leads to autoimmune hemolytic anemia. | 5,092 | medmcqa_train |
A 56-year old man presented with bony pain. X-ray skull lateral view shows: | Ref. Grainger and Allison's Diagnostic Radiology. Page. 483
Pagets disease of bone affects each person differently . It includes :
1 Bones : Pain in the affected bones is the most common symptom of pagets disease of bone.
Skull in Pagets disease
osteoporosis circumscripta: large, well-defined lytic lesion
cotton ... | 5,093 | medmcqa_train |
Agoraphobia is -a) Fear of open spacesb) Fear of closed specesc) Fear of heightsd) Fear of crowded places | Formerly the term agoraphobia was used to denote phobias of open spaces alone but it is now used in a wider sence, i.e. irrational fear of places and situations from where escape might be difficult. Such places are public places, stores, crowd, travelling alone in bus, train or plane or in lift. | 5,094 | medmcqa_train |
Trapping parasites using NETs is assisted by | NEUTROPHILS AND EOSINOPHILS EMPLOY NETS TO ENTRAP PARASITESIn addition to ingesting small microorganisms such as bacteria by phagocytosis, neutrophils and eosinophils can assist in the elimination of larger invaders by trapping them within webs called neutrophil extracellular traps or NETsRef: Harper&;s Biochemistry; 3... | 5,095 | medmcqa_train |
a-helix of protein is | a-Helix: A peptide chain forms regular helical coils called a-helix. Type of secondary protein structure. These coils are stabilized by hydrogen bonds between carbonyl O of 1st amino and amide N of 4th amino acid residues. Thus in a aa aa-helix intrachain hydrogen bonding is present. The a aa aa-helices can be either r... | 5,096 | medmcqa_train |
Common sites for mongolian spot are - | Ans. is 'c' i.e., Lumbosacral area Mongolian spots are blue or slate - gray macular lesions which occur most commonly in pre-sacral area (mainly in lower back & buttocks) but may be found over the posterior thighs, legs, and shoulders. | 5,097 | medmcqa_train |
Threshold level for neuronal action potential- | Ans. is 'c' i.e., -55 mv * The action potential, which is recorded using an intracellular electrode, has following phases : -1) Resting stage:# This is the resting membrane potential before the action potential. At rest, membrane is said to be "polarized" because - 70 mV negative membrane potential (RMP) that is presen... | 5,098 | medmcqa_train |
Which of the following includes the classical triad of ' enlarged upper part of uterus, soft lower part of body and firm cervix 'during early pregnancy? | Ans. a (Hegar's sign). (Ref Dutta, Obstetrics, 6th ed., p 65)SIGNS OF EARLY PREGNANCY1Jacquemier's or Chadwick's sign (eighth week)Dusky hue of vestibule and anterior vaginal wall.2Osiander's sign (eighth week)Increased pulsations felt through lateral fornices.3Goodell's sign (sixth week)Softening of cervix.4Piskacek's... | 5,099 | medmcqa_train |
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