query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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Percolating of blood to the lateral aspect of head behind the ear is indicative of | Black eye( Raccoon's sign) in case of anterior cranial fossa fracture, extravasation of blood around the eye and in the periorbital tissue can be observed. It is due to percolation of blood to the periorbital tissue. This is called black eye. Battle's sign in case of middle cranial fossa fracture, there may be percolat... | 16,400 | medmcqa_train |
Maternal sources account for what percentage of fetal thyroxine at term | 30% of fetal thyroxine at term is derived from mother. | 16,401 | medmcqa_train |
Dose of vitamin A for a 18 month old baby, with keratomalacia, weighing 10 kg is? | Vitamin A DEFICIENCY It is characterized by night blindness, conjunctival xerosis, Bitot spots, Keratomalacia and fundus changes in severe cases Treatment: <6 months of age - Vitamin A 50,000 IU orally/dose 6-12 months of age - Vitamin A 100,000 IU orally/dose >12 months of age - Vitamin A 2,00,000 IU orally/dose The s... | 16,402 | medmcqa_train |
Non-noxious stimulus is perceived as pain in: | Allodynia Terminology of sensory disturbances: Allodynia perception of nonpainful stimulus as painful, even excruciating. Paraesthesia pins and needle sensation, tingling (may include a wide variety of other abnormal sensations, except pain) Dysesthesia all types of abnormal sensations including painful ones Hyperesthe... | 16,403 | medmcqa_train |
The flexometallic tube was designed by- | dr Franz Kessler designed flexometallic tube. Sir Ivan Magills contribution in Anaesthesia. Endotracheal tube, anaesthesia (The Magill endotracheal tube, oral & nasal designs) An anaesthetic breathing system (Magill circuit and expiratory valve) Intubating forceps (Magill forceps) Laryngoscope a straight bladed version... | 16,404 | medmcqa_train |
Spinal cord in adults terminates at which level of veebrae? | Spinal cord in adults terminates at the lower border of the L1 veebra. In children , it usually terminates at the upper border of the L3 veebra. Structure/ Space Terminal extent Spinal cord at bih L3 upper border Spinal cord at 2 years L1 lower border Adult spinal cord L1 lower border Filum terminale 1st coccygeal segm... | 16,405 | medmcqa_train |
Which of the following is the reference standard on which classification of protein-energy malnutrition is based – | For national and international comparisons and for monitoring, "reference or standard values" of growth are essential.
The well known reference standards are -
1. Harvard (or Boston) standards
Not in common used
Have been replaced by WHO reference values
2. WHO reference values
Most commonly used reference values f... | 16,406 | medmcqa_train |
Citelli's abscess is | Ans. is 'b' i.e., Formed over occipital bone Abscesses related to mastoid infection* Acute mastoiditis can be complicated by following abscesses:-1) Postauricular abscess:- This is the commonest subperiosteal abscess associated with acute mastoiditis. It occurs lateral to the cortex of mastoid in MacEwen's triangle.2) ... | 16,407 | medmcqa_train |
Primitive streaks remnants give rise to:- | SACROCOCCYGEAL TERATOMA Teratomas occur most frequently in the neonatal period, sacrococcygeal region is the MC siteQ. TREATMENT Complete surgical excisionQ through a chevron-shaped buttock incision. | 16,408 | medmcqa_train |
A patient with ascites comes to your clinic for paracentesis and you decide to use a midline approach to drain the fluid.Which of these structures is not pierced in this approach | Transversus abdominis is not pierced when paracentesis is performed using the midline approach Layers of abdomen if pierced in the midline approach (from superficial to deep) *Skin *Superficial fascia *linea alba *transveralis fascia *Extraperitoneal fat *parietal peritoneum There are no muscles pierced in the midline ... | 16,409 | medmcqa_train |
A patient presents with symptoms of Hypoglycemia. Investigations reveal decreased blood glucose and increased Insulin levels. C-peptide assay is done which shows normal levels of C-peptide. The most likely diagnosis is: | For the production of insulin enzymes in the pancreatic beta cells cleave the proinsulin molecule into insulin and C peptide, which are both present in insulin granules and are released in equimolar amounts when insulin is secreted into blood stream. In accidental exogenous Insulin administration, beta cell function is... | 16,410 | medmcqa_train |
Backwash ileitis is seen in | Ans. is 'a' i.e., Ulcerative colitis Ulcerative colitis always involves the rectum and extends proximally in continuous fashion to involve pa or all pa of the colon. Involvement of terminal ileum in ulcerative colitis is called backwash ileitis | 16,411 | medmcqa_train |
Which of the following drug is a renin inhibitor? | ANSWER: (D) AliskirenREF: Goodman Gillman page 525, KDT 6th edition page 482, Katzung 12th ed page 190, 300Repeat from Pharmacology June 2010, December 2008RENIN INHIBITORSCleavage of angiotensinogen by renin is the rate-limiting step in the formation of ANG II and thus represents a logical target for inhibition of the... | 16,412 | medmcqa_train |
Least common type of twins- | Ans. is d i.e., Conjoined twins Dizygotic twins 180%) o Result from fertilization of two ova, most likely ruptured from two distinct Graffian follicles usually from same or one from each ovary, bye two sperms during a single ovarian cycle. Monozygotic twins (20%) o Twinning may occur at different periods after fertiliz... | 16,413 | medmcqa_train |
While doing thoracocentesis, it is advisable to introduce needle along - | The intercostal vessels and nerves pass along the lower border of the ribs. To avoid injury to these structures, it is advised to pass needle close to upper borders of the ribs, during thoracocentesis. | 16,414 | medmcqa_train |
Violent vomiting after forceful retching present with sudden severe haematemesis. Diagnosis is | C. i.e. (Mallory weiss syndrome) (1016 - B & L 25th) (813 - S. Das 5th)* A history of vomiting followed by either malaena or haemotema suggest Mallory - Weis syndromeMALLORY -WEISS SYNDROME - vigorous vomiting produces a vertical split in the gastric mucosa immediately below the squamo columnar junction at the cardia i... | 16,415 | medmcqa_train |
Torsades de pointes cause? | Ans. is 'c' i.e., Wide QT Torsades - de pointes is a cardiac arrhythmia, which may cause blackouts or even sudden death Q (d/t ventricular fibrillation).The phrase "Torsades de pointes" literally means "Twisting of the point referring to the characteristic appearance of the electrocardiogram during the rhythm abnormali... | 16,416 | medmcqa_train |
Intraductal papillary mucin neoplasm is a precursor of- | Intraductal papillary mucinous neoplasm (IPMN)
IPMN is a papillary neoplasm that arises within the main pancreatic duct (MPD) or its branches.
IPMN is characterized by
Intraductal, papillomatous growth pattern
Excessive mucin secretion
Excessive mucin secretion results in progressive ductal dilatation and cyst form... | 16,417 | medmcqa_train |
Stewa-Treves syndrome is used to described development of | Answer- A. LymphangiosarcomaStewa-Treves' syndrome:Ulceration, non-healing bruises and raised purple-red nodules in patients with lymphatic disorders, should lead to suspicion of malignancy.Lymphangiosarcoma was originally described in postmastectomy oedema (Stewa-Treves'syndrome) | 16,418 | medmcqa_train |
Which one of the following clinical situation would be LEAST likely to result in a newborn who is small for gestational age? | Pregnancies associated with, gestational diabetes mellitus usually produce newborns that are large for gestational age (macrosomia). Hyperglycemia in the mother causes fetal release of insulin, which increases the synthesis of fat and muscle. Fetal, placental, and maternal causes can result in a newborn that is small f... | 16,419 | medmcqa_train |
"Multibacillarv" is a spectrum of disease, seen in- | Ans. is 'a' i.e.. Leprosy ClassificationsRidley and JoplingIndianMadrido Tuberculoid (TT)o Indeterminate (I)o Indeterminateo Borderline tuberculoid (BT)o Tuberculoido Tuberculoid flat raisedo Borderline (BB)o Borderlineo Borderlineo Borderline lepromatous (BL)o Lepromatouso Lepromatouso Lepromatous (L.L)o Pure neuritic... | 16,420 | medmcqa_train |
Which is not a 2nd generation anti-histamine agents | Anti histamines are classified into first generation and second generation compounds on the basis of CNS penetration and anti cholinergic propeies. First generation anti-histamine can penetrate blood brain barrier and possess additional anti cholinergic propeies which are lacking in second generation drugs. Cyclizine i... | 16,421 | medmcqa_train |
Mean transformation time for HIV and AIDS is: | Mean transformation time for HIV to AIDS is 10 years. The duration between primary infection and progression to clinical disease averages about 10 years. Facts about HIV infection (Jawetz): The typical course of "untreated HIV" infection spans around a decade (10 years) Following infection the period of clinical latenc... | 16,422 | medmcqa_train |
A multigravida at 35 weeks' gestation had the following finding on ultrasound. The following can be the causes except: | Ans. B. Posterior urethral valvePolyhydramnios is diagnosed when the AFI >24cm or the single deepest pocket measures >8cm.Causes of polyhydramnios:a. MC cause of mild polyhydramnios = idiopathicb. Multifetal pregnancyc. Maternal diabetesd. Cleft lip/palate (GIT anomalies >NTD)e. Esophageal atresia/duodenal atresiaf. An... | 16,423 | medmcqa_train |
Pink puffers are associated with? | Ans. is 'a' i.e., Emphysema * A "pink puffer" is a person where emphysema is the primary underlying pathology. In emphysema, not only there is less surface area for gas exchange, there is also less vascular bed for gas exchange. The body then has to compensate by hyperventilation (the "puffer"). Their arterial blood ga... | 16,424 | medmcqa_train |
In lesion of the right hypoglossal nucleus, the tip of the tonge on protrusion turns to: | Lesion of hypoglossal nucleus: Lesion of the hypoglossal nucleus, there is ATROPHY of the muscles of the IPSILATERAL one-half of the tongue. This is a lower motor neuron lesion. Upon closer examination, FASCICULATIONS (tiny, spontaneous contractions) can be seen. Both fasciculations and atrophy result from the loss of ... | 16,425 | medmcqa_train |
Multiple myeloma is diagnosis by- | Answer is option4, roulex formation in blood. Multiple myeloma Much rouleaux formation of the red cells is in this thick area of red cell distribution. This is pathologic rouleaux in contrast to normal stacking of red cells in a thick area of a normal blood smear. The background has a bluish tinge. Two small lymphocyte... | 16,426 | medmcqa_train |
Deep inguinal ring is a deficiency in the - | Deep inguinal ring lies lateral to rectus abdominis, as an opening in fascia transversalis. | 16,427 | medmcqa_train |
Commonest cause for acute otitis media in children is | Most common organisms in infants and young children are Streptococcus pneumonia (30 c/o ), Haemophilus influenza(20%) and Moraxella catarrhalis(12%). Other organisms include Streptococcus pyogenes, Staphylococcus aureus and sometimes Pseudomonas aeruginosa. (Ref: Textbook of diseases of ENT, PL Dhingra, 7th edition, pg... | 16,428 | medmcqa_train |
All of the following are the indications for myomectomy in a case of fibroid uterus except: | From the given options the answer is quite obvious as red degeneration of fibroid is managed conservatively not by any surgery. But let us rule out other options also.
Indication of myomectomy: Myomectomy is specifically indicated in an infertile woman, in recurent abortions and patients with symptomatic fibroid but de... | 16,429 | medmcqa_train |
Sign of antemortem hanging is | Ans. is 'b' i.e., Eye is open * The important PM findings of Hanging are :i) Ligature mark is above thyroid cartilage, incomplete, bilaterally symmetrical and directed obliquely upward extending to the angles of mandible, then to mastoid and finally to occipital protuberance. Ligature mark is an example of imprinted/pr... | 16,430 | medmcqa_train |
Clinical diphtheria is caused by | Corynebacterium diphtheriae is the causative agent for diphtheria. The incubation period is 3-4 days. The site of infections is faucial, nasal, otitic, laryngeal, cutaneous. According to clinical severity, malignant, septic and hemorrhagic types are there. Reference: Textbook of Microbiology; Anathanarayan and panicker... | 16,431 | medmcqa_train |
The most common second malignant in survivors of retinoblastoma is – | Most common secondary tumor in survivors of retinoblastoma is osteosarcoma. | 16,432 | medmcqa_train |
Killer cells are associated with type....immunologic response - | A form of type II hypersensitivity is called antibody-dependent cell-mediated cytotoxicity (ADCC). Here, cells exhibiting the foreign antigen are tagged with antibodies (IgG or IgM). These tagged cells are then recognized natural killer cells (NK) and macrophages ( the Fc region) to the effector cell surface receptor, ... | 16,433 | medmcqa_train |
Neologism is | (B) Totally a new word # Neologisms are newly formed words or phrases whose derivation can not be understood.> These are created to express a concept for which the subject has no dictionary word.> Sometimes, normal words are used in an unconventional or distorted way but the derivation can be understood, even if bizarr... | 16,434 | medmcqa_train |
Cholangiocarcinoma is associated with - | Ans. (a) Chlonorchis sinensisRef: Bailey 26th edition Table page 1115* Opisthorcis vivernii and Clonorchis sinensis are associated with Cholangiocarcinoma. | 16,435 | medmcqa_train |
The permeability of which of the following ion leads to resting membrane potential? | Ionic Basis of Nerve Resting Membrane Potential
• RMP: Resting membrane potential is a potential difference across the cell membrane in millivolts, which is by convention -70 Mv.
• RMP is established by the diffusion potential that results from concentration differences of permeable ions.
• Resting membrane potential (... | 16,436 | medmcqa_train |
Which of the following is absolutely essential for wound healing? | Fibroblasts require vitamin C to produce collagen. There is an increase in the tensile strength of the wound due to increased collagen, which is at first deposited in a random fashion and consists of type III collagen. The remodelling phase is characterised by maturation of collagen (type I replacing type III until a r... | 16,437 | medmcqa_train |
Total numbers of codons are - | Ans. is 'd' i.e., 64 o The information needed to direct the synthesis of protein is contained in the mRNA in the form of a genetic code, which intum is transcribed from template strand of DNA and is therefore complementary to it.o The genetic code is the system of nucleotide sequences of mRNA that determines the sequen... | 16,438 | medmcqa_train |
True about zafirlukast is : | Zafirlukast and montelukast are cysteinyl leukotriene receptor antagonists. They cause modest improvement in lung function and reduction in asthma symptoms and lessen the need for beta-agonist rescue therapy. These drugs can be considered as alternatives to low-dose inhaled corticosteroids in patients with persistent a... | 16,439 | medmcqa_train |
LES sphineter is relaxed by - | Answer is 'a' i.e. Nitrates | 16,440 | medmcqa_train |
Most common muscle damaged in rotator cuff is | Refer Williams Vil 1.p 330 The tendons of the rotator cuff, not the muscle are most commonly involved and of the four, The supraspinatus us effected most frequently as it passes below the acromian | 16,441 | medmcqa_train |
A nulliparous woman in spontaneous labor was examined by you at 2pm and was found to be 6 cm dilated, 80% effaced with absent membranes, clear liquor and fully effaced cervix and vertex at 0 station and oxytocin was started to augment the contractions. At 6pm, she is reassessed and found to have same findings, but now ... | Ans. C. Shift her to OT for caesareana. The woman is diagnosed with arrest of active stage of laborb. ACOG has updated the definition of arrest of 1st stage of labor in woman undergoing spontaneous labor to decrease the incidence of first caesarean section.c. Arrest in dilatation in active labor is defined at more than... | 16,442 | medmcqa_train |
Highest impulse discharge frequency from baroreceptors will be at what blood pressure? | - The range for baroreceptor function is 60-180 mm Hg. - The normal set point for baroreceptors is 100 mm Hg. - At 100 mm Hg, there is a steady impulse discharge from baroreceptors to the VMC. - When BP increases --> impulse discharge increases; when BP decreases --> impulse discharge decreases. - Thus, impulse dischar... | 16,443 | medmcqa_train |
Which antibiotic acts by inhibiting protein synthesis | Ref Goodman Gilman 11/e p 1173 Doxycycline is a tetracycline that act by inhibiting protein synthesis Cefotetan and oxacillin are beta lactam antibiotics that act by inhibiting cell wall synthesis Ciprofloxacin is a Fluroquinolone that acts by inhibiting DNA gyrase | 16,444 | medmcqa_train |
Atrial natriuretic polypeptide (ANP) acts by? | ANP is secreted by right atrium acts in many ways such as decreasing aldosterone production, decrease sodium absorption from renal tubules and also inhibit release of renin. (Ref: General pathology in Textbook of PATHOLOGY 6th Edition by HARSH MOHAN) | 16,445 | medmcqa_train |
Malignant hyperthermia is associated with all of the following except? | Ans. is 'b' i.e., Dantrolene Drugs causing malignant hyperthermia* Succinylcholine, Desflurane, Tricyclic antidepressants, Halothane, Cyclopropane, Phenothiazines, Isoflurane, Ether, Lignocaine, Enflurane, Methoxyflurane, Sevoflurane & MAO inhibitors.* Succinylcholine is the most common cause of MH.* Amongst inhalation... | 16,446 | medmcqa_train |
In Klippel flail syndrome all are seen except: | Ans: A (High...) ",Prominence of the trapezius muscle gives the appearance of webbing at the base of neck. The posterior hairline is much lower than the normal. Associated anomalies includes are common & includes hem iverteh rae, posterior arch defect, cenical meningomyelocele, thoracic defects, scapular elevation & vi... | 16,447 | medmcqa_train |
A person 'X' hits another person 'Y' with a wooden stick on provocation. This leads to the formation of a bruise 3 cm × 3 cm on the forearm. No other injuries are noted. Which of the following is true, regarding his punishment - | The person Y has developed simple hurt (non-grievous) without provocation and with a non-dangerous weapon.
The punishment for voluntarily causing hurt (no provocation, non-grievous hurt, non-dangerous weapon) is imprisonment up to 1 year with or without a fine of 1000 Rs. (Sec 323 IPC). | 16,448 | medmcqa_train |
Asymptomatic hypercalcemia in a 30 year old young male is due to : | Answer is B (Primary Hyperparathyroidism) : The most likely cause of asymptomatic hypercalcemia in a patient aged 30 .years is primary hyperparathyroidism. Familial hypocalciuric hypercalcemia, is most often detected in the first ten years of life when hypercalcemia due to primary hyperparathyroidism is a rarity. Both ... | 16,449 | medmcqa_train |
Otto Loewi is famous for discovery of | Otto Loewi is famous for discovery of acetylcholine for which he received a Nobel price. so the option 2.(Reference: www.nobelprize.org) | 16,450 | medmcqa_train |
All comprise inherent propeies of a screening test except- | Ref :Parks 23rd edition pg 140 Yield is not an inherent propey of screening test. Yield is the amount of previously unrecognized disease that is diagnosed as a result of screening effo. It depends on many factors : Sensitivity and specificity of the test Prevalence of disease Paicipation of individuals in the detection... | 16,451 | medmcqa_train |
Which is not a primary cutaneous disorder | Reiters disease | 16,452 | medmcqa_train |
Temperature regulation is chiefly under the control of:September 2007 | Ans. D: HypothalamusThermoregulation in both ectotherms and endotherms is controlled mainly by the preoptic area of the anterior hypothalamus.Such homeostatic control is separate from the sensation of temperature | 16,453 | medmcqa_train |
Polar amino acids are all except ? | Ans. is 'd' i.e., Methionine | 16,454 | medmcqa_train |
What is cutaneous Tuberculosis secondary to underlying tissue lymph node called | Cutaneous Tuberculosis Scrofuloderma:- It is a result of contiguous spread of infection to skin from underlying disease (usually cervical lymph nodes and bones); fluctuant nodules that develop sinus tracts, draining to skin, with tethered appearance. Ref:- Review of Dermatology by Alikhan; pg num:-302 | 16,455 | medmcqa_train |
A boy can grasp a rattle & recently he become able to transfer objects, hand to hand. He can do- | Ans. is 'a' i.e., Babble o A child is able to grasp an object (palmar grasp) at the age of 7 months. o A child can transfer the object form one hand to another by the age of 5-7 months. o So, the age of this child is 7 months. o A 7 months old child can do :? 1) Holds the objects with crude grasp from palm (palmar gras... | 16,456 | medmcqa_train |
Choose the major fuel that is being used by the chest muscles used during weightlifting. | We will illustrate, in addition, how biochemical measurements can pinpoint a disorder and allow one to determine which enzyme is functioning improperly.a. Mouth(1). Salivary glands produce a-amylase, which cleaves a-1,4 bonds between glucose residues in dietary starch. (Pancreatic a-amylase catalyzes the same reaction.... | 16,457 | medmcqa_train |
All of the following statements about Sternberg Canal are true, except? | Sternberg's canal is located anterior and medial to foramen rotandum. It is also known as lateral craniopharyngeal canal. | 16,458 | medmcqa_train |
The term "id" was coined by | In response to the unstructured ambiguity and conflicting uses of the term "the unconscious mind", Freud introduced the structured model of ego psychology (id, ego, super-ego) in the essay "Beyond the Pleasure Principle" (1920) and elaborated, refined, and made that model formal in the essay "The Ego and the Id Accordi... | 16,459 | medmcqa_train |
Birbeck's granules in the cytoplasm are seen in | ref Robbins 9/e p622 Birbeck granules, also known as Birbeck bodies, are rod shaped or "tennis-racket" cytoplasmic organelles with a central linear density and a striated appearance. First described in 1961 (where they were simply termed "characteristic granules"), they are solely found in Langerhans cells. | 16,460 | medmcqa_train |
Which of the following is not a primary prevention strategy? | ANSWER: (A) Breast self examREF: Park 20th edition page 38, 334Indirect repeat from December 2009"Breast self examination is for early detection of breast cancer and its treatment as early as possible and hence it is a secondary prevention"Cancer education is a primordial prevention which is a type of primary preventio... | 16,461 | medmcqa_train |
Beta blockers: | Beta-blockers provide quick symptomatic relief in thyrotoxicosis that result due to sympathetic overactivity like palpitations, tremors, sweating etc. They have no effect on the synthesis of the hormones in the thyroid gland. They are valuable in providing symptomatic relief while awaiting response to radioactive iodin... | 16,462 | medmcqa_train |
Shoest incubation period is seen in: | Influenza Incubation period is the time elapsed between exposure to the pathogenic organism and when symptoms and signs are first apparent. Incubation period of some pathogens are: Varicella (Chickenpox) - usually 14 to 16 days Measles (Rubeola) - usually 10 days from exposure to onset of fever, and 14 days to appearan... | 16,463 | medmcqa_train |
Toxic shock syndrome is caused by -a) Streptococcus pyogenesb) Staphylococcus aureusc) Strept albicansd) E.durans | Toxic shock syndrome
TSS is a potentially fatal multisystem disease characterized by sudden high fever, fainting, watery diarrhea, headache and muscle ache.
There are two types of TSS :-
1. Staphylococcal TSS
- Staphylococcal TSS results from the elaboration of toxic shock syndrome toxin type-1 (TSST-1) also kn... | 16,464 | medmcqa_train |
The most common source of embolism: | Ans. (a) DVT(Ref: Robbins 9th/pg 127; 8th/pg 126)MC cause of venous embolism is DVTMost arise in the deep leg veins above the level of the knee. Q | 16,465 | medmcqa_train |
Complications of total thyroidectomy include all except: | Ans. (d) HypercalcemiaRef: Schwartz 10th edition page 1372* Hypocalcemia can happen on 2- 5 days after surgery due to vascular compromise for parathyroid glands | 16,466 | medmcqa_train |
All of the following are a part of the innate immunity except - | Alternate pathways of Complement , NK cells and Macrophages (as phagocytes) are the components of innate immunity
B cell, T cell, Classical complement and Antigen presenting cell are components of adaptive/acquire immunity.
Ref: Apurba Sastry’s Essentials of Medical Microbiology 1/e p97, Kuby’s Immunology 6/e p53 | 16,467 | medmcqa_train |
Best marker of SLE?- | Immunologically the SLE. is associated with an enomorous array of autoantibodies , Classically include Anti nuclear antibody. Anti-DNA antibody to native DNA in abnormal tier Robbins 9 th edition page no. 125 | 16,468 | medmcqa_train |
One of the following condition is not associated with clubbing : | Answer is B (Chronic bronchitis): Chronic bronchitis does not cause clubbing Some causes of finger clubbing Respiratory Cardiovascular Bronchial carcinoma, especially epidermoid (squamous cell) type (major cause) Cyanotic hea disease Chronic suppurative lung disese Subacute infective endocarditis Bronchiectasis Lung ab... | 16,469 | medmcqa_train |
Which antibodies can be detected in a patient suffering from polymyositis? | Anti-Jo1 antibody is specific for polymyositis and dermatomyositis. | 16,470 | medmcqa_train |
Which of the following isotope is commonly used in teletherapy: September 2010 | Ans. A: Cesium Cobalt-60 and Cesium-137 sources are the most common ones used in radiotherapy. | 16,471 | medmcqa_train |
Alkaline diuresis is done for treatment of poisoning due to | Alkaline diuresis is useful for poisoning of acidic drugs as acidic drugs ionize in alkaline medium ionized drugs will get eliminated easily eg for acidic drugs- Barbiturates, benzodiazepines, tetracyclines, penicillins, sulphonamides, etc Ref: KD Tripathi pharmacology 7th edition (page.no: 81) | 16,472 | medmcqa_train |
Vestibulo ocular reflex concerned with | Flocculonodular lobe is phylogenetically the oldest pa of cerebellum has vestibular connections and is concerned with equilibrium and eye movements ie vestibulo ocular reflex.Ref: Ganong&;s review of medical physiology; 23rd edition; pg:257. | 16,473 | medmcqa_train |
Medusahead colonies on nutrient agar point the diagnosis of infection with | Bacillus anthracis-medusa hair appearance like growth on nutrient agar Ref: Textbook of Microbiology Baveja 5th ed Pg 220 | 16,474 | medmcqa_train |
Which of the following disease is associated with reactivation | Zoster or shingles occurs due to reactivation of latent VZV present in the trigeminal ganglia that occurs mainly in adult life. Rashes are unilateral and segmental, confined to the area of skin supplied by affected nerves Ref: essentials of Medical microbiology apurba sastry 1st edition page 438 | 16,475 | medmcqa_train |
Most important objective of doing a medicolegal autopsy is - | Important objectives of doing a medicolegal autopsy is to know the cause of death, time passed since death, and manner of death. | 16,476 | medmcqa_train |
Pheochromocytoma is characterized by: September 2007 | Ans. D: All of the above Symptoms of phaeochromocytoma include the following: Headache Diaphoresis Palpitations Tremor Nausea Weakness Anxiety, sense of doom Epigastric pain Flank pain Constipation Weight loss The classic history of a patient with a pheochromocytoma includes spells characterized by headaches, palpitati... | 16,477 | medmcqa_train |
Increased osmotic fragility seen in | Ans. is 'd' i.e., Hereditary spherocytosisOsmotic fragility of Red blood cells.Red blood cell osmotic fragility is the resistance of RBC hemolysis to osmotic changes.Normally RBC maintains osmotic equilibrium with the surrounding medium i.e., with serum that has 0.9% NaCI.As the surrounding medium becomes hypotonic flu... | 16,478 | medmcqa_train |
Treatment of strangulated hernia is: | Ans: b (Immediate surgery)Ref: Bailey & Love, 24th ed, p. 1279 & 23rd ed, p. 1150 | 16,479 | medmcqa_train |
The substance essential for transfer of fatty acids across mitochondrial membrane: | C i.e. Carnitine | 16,480 | medmcqa_train |
Which of the following factors are deficient in patients under warfarin therapy: | Clotting factors 2,7,9,10 are vitamin K dependent factors.
Six of the proteins involved in clotting require conversion of a number of glutamic acid residues to γ-carboxyglutamic acid residues before being released into the circulation, and hence all six are vitamin K-dependent. These proteins are factors II (prothrombi... | 16,481 | medmcqa_train |
Most indicative sign of pneumonia in one year old child with cough and fever is - | <p> In pneumonia a child has fast breathing and fever of 38o or more . Fast breathing in <1 year child:50 breaths per minute or more in a child aged 2 months upto 12 months. Reference:Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:169-171. <\p> | 16,482 | medmcqa_train |
Lynching is: | Lynching : Form of homicidal hanging. A suspect, an accused or an enemy is overpowered by several persons, acting jointly and illegally, and hung him by means of a rope from a tree or some similar object. It was prevalent in Noh America, where it was practiced by whites on blacks. | 16,483 | medmcqa_train |
Ohodromic conduction is | In the natural situation, impulses pass in one direction only, ie from synaptic junctions or receptors along axons to their termination. Such conduction is called ohodromic conduction. Ref: Ganong&;s review of medical physiology; 23rd edition; pg:88 | 16,484 | medmcqa_train |
Ascending aoa Involvement is the commonest site of which aneuryam | Syphilitic aneurysm Teiary sypilis... Trepenomonas has affinity for vaso vasorum of mainly thoracic aoa leads to obliterative endaeritis leads to ischemic damage to the aoic media and aneurysm Ramdas Nayak page no. 379 | 16,485 | medmcqa_train |
Parasitic subconjunctival cysts are caused by | Parasitic cysts such as subconjunctival cysticercus, hydatid cyst, and filarial cyst are not infrequent in developing countries. cyst with hooklets on the optic disc has been repoed who also had sub-cutaneous and cerebral involvement. The differential diagnosis of orbital cysticercosis includes idiopathic myositis, tum... | 16,486 | medmcqa_train |
Bacterial countindoudenum- | Ans. is 'a' i.e., 105 per gram It is 103-106 bacteria per gram. | 16,487 | medmcqa_train |
All of the following are true about lymph node metastasis except? | Impoant Lymph nodes Rotter's nodes - Interpectoral nodes (CA breast) Rouvier Nodes - Retropharyngeal Nodes (CA Nasopharynx) Delphian nodes - Pre-Cricoid / pre-tracheal / Pre-laryngeal lymph nodes Irish nodes - Nodes in left axilla (CA stomach) Sister Mary joseph nodes - Periumbilical metastatic cutaneous nodules Vircho... | 16,488 | medmcqa_train |
Reverse splitting of 2nd hea sound heard in - | In LBBB, Left ventricular depolarisation is late than RV depolarisation, so A2 appeares late than P2. Causes of Reverse splitting : RV pacemaker WPW syndrome Eisen menkers syndrome AS LVF LBBB Ref : Harrison's 20th edition pg 1448 | 16,489 | medmcqa_train |
Wrapping up of the cerebellum around the brain stem in Chiari Malformation is called | Banana sign is due to the wrapping of cerebellum around the brain stem. Lemon sign is anterior bossing of frontal bone. Seen in Chiari II Malformation or spina bifida. | 16,490 | medmcqa_train |
All of these cells are found in small intestine EXCEPT: | C i.e. Neck Cells Mucous Neck Cells are sho columnor cells, full of mucus with round nuclei, line the neck of gastric glands not the small intestineQ | 16,491 | medmcqa_train |
GnRH analogue may be given in all of the following except | Ans. is b i.e Endometrial Ca GnRH agonist : Mechanism of action : GnRH agonist bind to GnRH receptors in the pituitary, and cause competitive inhibition of endogenous GnRH. Initially there is a supraphysiological release of FSH and LH from pituitary (Flare) followed by decrease in the synthesis and release of both FSH ... | 16,492 | medmcqa_train |
The type mutation that leads to replacement of valine for glutamate in sickle cell disease is | Sickle-cell anemia is caused by apoint mutation in the b-globin chain of hemoglobin, causing the hydrophilic amino acid glutamic acid to be replaced with the hydrophobic amino acid valine at the sixth position. The b-globin gene is found on the sho arm of chromosome 11. Ref ganong's review of medical physiology 25e | 16,493 | medmcqa_train |
6th day disease is? | Terminology Other names for the disease Etiology First disease Rubeola/ measles Measles virus Second disease Scarlet fever Streptococcus pyogenes Third disease Rubella/German measles/3- day measles Rubella virus Fouh disease Staphylococcal scalded skin syndrome/Ritter's disease Staphylococcus aureus Fifth diseases Eryt... | 16,494 | medmcqa_train |
Non-nucleated cells are seen in______? | Ans. c. Stratum corneumStratum corneum also known as horny layer consists of cells without nucleus and hence does not divide.This layer functions as a mechanical barrier and prevents entry of microbes from environment into the body as well as prevents leakage of fluids from body to environment. This is called as Barrie... | 16,495 | medmcqa_train |
The severity of mitral stenosis is assessed by | Mitral stenosis. A normal mitral valve will have an area of >4 cm2, but symptoms are usually only present once the stenosis is moderate-severe. Grading into mild, moderate, or severe disease is based on both the pressure needed to drive blood across the valve (mean pressure gradient) and the valve area. Ref Davidson 23... | 16,496 | medmcqa_train |
Reconstituted measles vaccine should be used with in - | <p>MEASLES VACCINE:- Live attenuated vaccine Person to person transmission of measles vaccine strains has never been documented. Freeze dried product. Before use ,the lyophilised vaccine is reconstituted with sterile diluent. Diluent must be cooled before reconstitution but it should not be freezed.After reconstitution... | 16,497 | medmcqa_train |
Which of the following is related to third pa of duodenum anteriorly ? | The third pa, or horizontal pa or inferior pa of the duodenum begins at the inferior duodenal flexure and passes transversely to the left, passing in front of the inferior vena cava, abdominal aoa, and the veebral column. The superior mesenteric aery and vein are anterior to the third pa of duodenum. Ref - BDC 6e vol2 ... | 16,498 | medmcqa_train |
'Boari's Operation' is | Bladder flap | 16,499 | medmcqa_train |
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