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True regarding excitation contraction coupling in smooth muscles is :
D i.e. Presence of cellular calcium essential to cause muscle contraction
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Most common symptom of symptom of alcohol withdrawal is
The most common withdrawal syndrome is a hangover on the next morning. Mild tremors, nausea, vomiting, weakness, irritability, insomnia and anxiety are the other common withdrawal symptoms. Sometimes the withdrawal syndrome may be more severe, characterised by one of the following three disturbances: delirium tremens, ...
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Study of multiplication of proteins in disease process is called
Genomics is the branch of molecular biology concerned with the structure, function, evolution, and mapping of genomes.Glycomics is the comprehensive study of glycomes (the entire complement of sugars, whether free or present in more complex molecules of an organism), including genetic, physiologic, pathologic, and othe...
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Skin grafting is absolutely C/I in which skin infection?
Ans is 'c' i.e. Streptococcus "The skin graft generally survives when placed over the wounds containing less than 105 organisms per gram of tissue unless the organisms are streptococci, which can rapidly dissolve transplanted skin." - S. Das 3/e, p 142
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Most sensitive investigation for cystic fibrosis is?
Ans. (c) Sweat electrolytesRef: Harrison's Medicine 18th ed p 2149-50
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An Infant brought to the clinic with non-biliousf projectile vomiting. The investigation of choice includes\
(A) Barium meal # Clinical features of Hypertrophic pyloric stenosis:> Characteristically it is a first-born male child that is most commonly affected. The condition is most commonly seen at 4 weeks after birth ranging from the third week to, on rare occasions, the seventh.> Inexplicably, it is the time following birth...
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Extended spectrum beta lactamases (ESBLs) are characterized by activity against all except:
CARBAPENEMS: lmipenem :It is an extremely potent and broad-spectrum Beta-lactam antibiotic whose range of activity includes grampositive cocci, Enterobacteriaceae, Ps. aeruginosa, Listeri.
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Increased LH:FSH ratio is found in :
Polycystic ovary syndrome
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Type of graft, best suited for renal transplantation ?
Ans is 'd' i.e., Isograft Although the best graft is autograft, a renal graft can obviously not be an autograft. So the best renal graft is an isograft.
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The ability of a test to detect true negatives is:
Ref: 21st edition Park. Pg 128Explanation:SensitivityAbility of the test to identify true positivesSpecificityAbility of the test to identify true negativesPositive predictive valueProbability that a patient with positive test result truly has the diseaseNegative predictive valueProbability that a patient with negative...
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Which laser is used in the management of after cataracts -
After cataract, if thin, can be cleared centrally by a YAG laser capsulotomy.
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Superficial second degree burns heal by
Superficial second degree burns usually heal with minimum scarring in 10-14 days unless they become infected. Second degree burns are divided into superficial and deep burns. Superficial dermal burns: Erythematous and painful, blanch to touch and often blister. They heal in 10-14 days. Deep dermal burns : Involve the r...
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Syndrome characterized by an elaborate delusion that the patient is passionately loved by another person is also known as:
Erotomania (de Clerambault's syndrome): Condition in which a person holds a delusional belief that another person, usually of a higher social status, is in love with him/her. Erotomanic tries to get close to the person through telephone calls, e-mails, letters, gifts and visits. MC in women than in men. Ekbom syndrome ...
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Adrenaline in LA causes:
Ans: d (All of the above) Ref: KDT, 6th ed, p. 356; Bailey and Love, 24thed, p. 49* Addition of adrenaline (commonly 1:200000 to 1: 125000 concentration) to the local anaesthetic solution hastens the onset and prolongs the duration of action and permits a higher dose of drug to be used as it is more slowly absorbed int...
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A drug used for Buerger's disease?
A drug used in Buerger's disease is Xanthinol nicotinate. Complamina retard (xanthine nicotinate) tablet was used daily once earlier. Now, graded injection of xanthine nicotinate 3000 mg from day 1 to 9000 mg on day 5 is used to promote ulcer healing. It also helps to increase claudication distance as a temporary basis...
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Methotrexate is an example for which of the following class of drugs?
Ans: D (Folic acid analogue) Ref: The Pharmacological basis of therapeutics bv Goodman & Gilman - 12th edition, page no. 1669 -767/Explanation:"Methotrexate is an anti-metabolite which is a folic acid analogue." Ref: G&GClassification of Anti-Cancer DrugsAnti-metabolitesPemetrexed5 FUCapecitabineCytarabineGemcitabine5-...
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A 45-years-old man who works in textile company visited hospital for routine health check-up. He prepares dyes in company from last 18 years. Which of the following investigation would you recommend for this patient?
Dye stuffs & dyeing industries, rubber, gas & electric cable industries are associated with carcinoma of bladder (transitional cell carcinoma). Bladder cancer is caused by aromatic amines, which are metabolized in the body & excreted in the urine. Possible bladder carcinogens are: Beta-naphthylamines, benzidine, para-a...
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Which of the following joints findings Is most suggestive of an inflammatory, rather than an osteroahritis cause of joints pain?
The five classical signs of inflammation are heat, pain, redness, swelling, and loss of function (Latin calor, dolor, rubor, tumor, and functio laesa). Ref - Internet
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Nerves are not involved in ?
Ans. is 'c' i.e., Indeterminate leprosy
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Secretin is produced by which of the following duodenal cells?
Ans. D. S cells. (Ref. Guyton's Medical Physiology 11th/pg. 801; Ganong 23rd/ Chapter 36).GI secretory products1. Nitrous oxide: Causes smooth muscle relaxation (e.g., elower oesophageal sphincter (LES) relaxtion).2. Gastrin: Secreted in response to gastric distention, vagal stimulation, and amino acid entering the sto...
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First symptom in vulval cancer is-
Ans. is 'b' i.e., Pruritus o Women with VIN and vulvar cancer commonly present with pruritus and a visible lesion.# However, pain, bleeding, and ulceration may also be initial complaints.
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Incised looking lacerated wound site is?
Ans. is 'a' i.e., forehead LACERATIONS (Tear or Rupture)o Lacerations are tears or splits of skin, mucous membrane and underlying tissue (e.g., muscle or internal organs). Lacerations are produced by application of blunt force to broad area of the body, which crush or stretch tissues beyond the limits of their elastici...
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False about nerve entrapment syndromes
Nerve entrapment syndromes  Carpal tunnel syndrome - Median nerve  Cubital tunnel syndrome - Ulnar nerve Guyon's canal syndrome - Ulnar nerve  Pyriformis syndrome - Sciatic nerve  Meralgia Paresthetica - Lateral cutaneous nerve of thigh  Cheiralgia Paresthetic - Superficial Radial nerve Tarsal tunnel syndrome - Poster...
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Keshan's disease is due to deficiency of:
Keshan's Disease Deficiency of Selenium (Se) Affects: Children Women of child bearing age CLINICAL FEATURES: Cardiomyopathy Muscle weakness Hypothyroidism Eczema Increased risk of stroke Hypeension Cancer Selenium Sources- seafood and meat, nuts Deficiency - Keshan's disease Toxicity - Selenium toxicity lead to Selenos...
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Bones ossified at bih:
A i.e., Lower end femur B i.e., Calcaneum C i.e., Upper end tibia
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Localized myogenic infection is caused by which bacteria?
ANSWER: (A) StaphylococcusREF: Harrisons 18th ed chapter 125Important causes of muscle infections:Most common cause of pyomyositis : staphylococcus aureusGas gangrene : CL PerferingensSevere muscle pain : pleurodynia due to coxsackie B, trichinosisRhabdomyolysis : clostridium , streptococcal
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A56 years old patient presents after three days of cataract surgery with a history of increasing pain and decrease of vision after an initial improvement the most likely cause would be
Pain which is increasing along with decrease in vision paicularly after only three days of cataract surgery strongly suggest endophthalmitis
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Oedipus complex has been described by -
Oedipus complex is described by Freud in psychosexual stages of development.
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Most frequent site of tubal ectopic pregnancy is
Nearly 95 percent of ectopic pregnancies are implanted in the various segments of the fallopian tube. The ampulla (70 percent) is the most frequent site, followed by isthmic (12 percent), fimbrial (11 percent), and interstitial tubal pregnancies (2 percent).The remaining 5 percent of non-tubal ectopic pregnancies impla...
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A one year old child having leucocoria was detected to be having a unilateral, large retinoblastoma filling half the globe. Current therapy would involve:
A i.e. Enucleation
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All are true regarding folliculogensis and ovulation except
Peak level of LH is required for ovulation Peak level is 75ng/ml It lasts for 24 hours Ref: Shaw Gynecology 17 e pg 40.
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A 16-year-old boy arrives to your office soon after beginning basketball season. He states that he has had progressive pain in his knees. A physical examination reveals, in addition to tenderness, a swollen and prominent tibial tubercle. Radiographs of the area are unremarkable. Which of the following is the most likel...
This history is typical of Osgood-Schlatter disease. Microfractures in the area of the insertion of the patellar tendon into the tibial tubercle are common in athletic adolescents. Swelling, tenderness, and an increase in size of the tibial tuberosity are found. Radiographs can be used to rule out other conditions. Tre...
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All of the following statements about Thrombotic thrombocytopenic purpura (TTP) are true, Except :
Answer is D i.e. (Grossly abnormal coagulation tests) Tests of coagulation are essentially normal in Thrombotic Thrombocytopenic Purpura (TTP). Clinical Pentad + Normal Tests for coagulation : TTP Clinical Pentad of TTP
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Prothombin Time (PT) of a patient is 26, Control PT is 13 seconds and Sensitivity index is 1.41. What will be the INR of this patient?
The INR calculation has become a standard method for monitoring the PT values. It is calculated as = (patient prothrombin time/mean prothrombin time)ISI. Patient prothrombin time = 26 Mean prothrombin time = 13 ISI (International Sensitivity Index) = 1.41 INR = (26/13)1.41 Ref: Laboratory Hematology Practice By Kandice...
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Which event will NOT occur during depolarization phase?
Na+ channels open, increasing the permeability of the cell membrane to Na+. Sodiumions then diffuse into the cell, causing depolarization. This causes K+ channels to close quickly, decreasing the permeability of the cell membrane to K+. The decreased diffusion of K+out of the cell also causes depolarization. Ca2+ chann...
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All the following are features of Endotoxins Except
Distinguishing features of exotoxins and endotoxinsExotoxinsEndotoxinsProteinsLipopolysaccharidesHeat-labileHeat StableActively secreted by cells; diffuse into surrounding mediumForm pa of the cell wall; do not diffuse into surrounding mediumReadily separable from cultures by physical means such as filtrationObtained o...
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The systolic blood pressure of 10 individuals was measured. The mean and median values were calculated to be 130 mmHg and 140 mmHg respectively. What is the shape of the frequency distribution curve?
A negatively skewed distribution is where most of the values are on the higher side and the tail is pointing left. The mean of a distribution is more affected by extreme values than is the median. Therefore, in a negatively skewed distribution with few values on the lower end of the distribution, the mean is pulled tow...
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Insal-Salvati index is used for
a-length of patellar ligament b-length of patella INSAL-SALVATI index=a/b Normal range is 0.8 -1.2 If ratio increases it suggests patella is at a higher level-PATELLA ALTA If ratio decreases it suggests patella is at a lower level -PATELLA BAHA ref:apley's 9th edition pg no.565
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A head injured patient, who opens eyes to painful stimulus, is confused and localizes to pain. What is the Glassgow coma score :
Answer is C (11): A head injury patient who opens eyes to painfid stimulus (2), is confused (4) and localizes pain (5) has a GCS `Glasgow coma scale' score of 11.
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Which is the middle and large carpal bone -
Ans. is 'd' i.e., Capitate o Among the given options only capitate lies in middle (not lateral or medial) and it is the largest carpal boneo Scaphoid is lateral most bone in proximal row, pisiform is medial most bone in proximal row and hamate is medial most bone in distal row.Carpal bonesProximal Row (Lateral to media...
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Severe malnutrition is defined in adults with BMI less than
Body mass index (BMI) BMI = wt (kg)/ ht (m)2 Example: an adult of 70 kg with a height of 1.75 m has a BMI of 70/1.752= 22.9 kg/m2 * BMI is a useful way of identifying under- or over-nutrition but cannot discriminate between lean body or muscle mass and fat mass <img src=" /> Ref Harrison 20th edition pg 76
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First cell to migrate into a wound due to chemotaxis to sta the process of wound healing is -
. In healing 1.intial haemorrhage. 2.acute inflammatory response:this occurs withiwithin 24 hours with appearance of polymorphs from margin of incision by the 3rd day polymorphs are replaced by macrophages. Ref Robbins 9 /e pg62-65
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Most common ovarian tumour in less than 20 year old is:
Below 20 years, 60% ovarian tumours are of germ cell origin and in girls less than 105, 85% tumours are of germ cell origin. Ref: Shaw 15th edition: page; 376.
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Fohergill's repair is also known as :
Manchester operation
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All of the following are contraindications for rigid esophagoscopy Except
Regular oesophageal dilatation is done for stricture. Stricture is dilated endoscopically using guidewires. Dilators are solid type with gradual increase in diameters. Dilatation should be done up to minimum 16mm diameter. Reference: SRB's Manual of Surgery, 6th Edittion, page no= 792
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Shoening of lower limb with abduction and internal rotation is observed in which of the following types of hip dislocation?
Ans. c. Central dislocation
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Acantholysis is characteristic of:
A i.e. Pemphigus Vulgaris
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Which of the following peptides are not produced by the renal system?
The hormones produced in the kidneys are 1,25 Dihyrocholecalciferol, Renin and Erythropoetin. Angiotensin is an oligopeptide and is a hormone and a powerful dipsogen. It is derived from the precursor molecule angiotensinogen, a serum globulin produced in the liver. It plays an impoant role in the renin-angiotensin syst...
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Bone marrow depression is seen with chronic administration of
(Refer: Morgan and Mikhail's Clinical Anaesthesiology, 5th edition, pg no.163-168)
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Which of the following statements about imipenem is most accurate?
Carbapenems are synthetic b-lactam antibiotics Imipenem, meropenem, doripenem and eapenem are the drugs of this group currently available. Imipenem : Effective against : Gm +ve, Gm -ve including pseudomonas and anaerobic. Dehydropeptidase by kidney metabolises imipenem rapidly. Cilastatin is a dehydropetidase inhibitor...
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The true statement about contrast induced acute kidney injury is:
Iodinated contrast agents are a leading cause of AKI. Increased risk is seen in Chronic kidney disease - paicularly diabetic nephropathy The most common clinical course of contrast nephropathy is A rise in SCr beginning 24-48 hours following exposure Peaking within 3-5 days Resolving within 1 week ALSO NOTE: More sever...
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Which Fully humanized antibody is used in treatment of rheumatoid ahritis?
MUMABs- are fully humanized monoclonal antibodies Omabs- derived from mice Zumabs- 80 % Human Adaliimumab: This recombinant monoclonal anti-TNF Antibody is administered s.c. 40 mg every 2 weeks. Injection site reaction and respiratory infections are common adverse effects. Combination with Mtx is advised to improve the...
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The drug of choice for mushroom poisoning-
Ans. is 'c' i.e., Atropine Mushroom poisoning o Depending on the toxic principal present in the paicular species, at least 3 types of mushroom poisoning is known. 1. Muscarine type (early mushroom poisoning) Due to Inocybe and related species. Symptoms are due to muscarinic action. T/t of choice is atropine. 2. Halluci...
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Prerequisite for applying forceps are all except: September 2007
Ans. C: Saggital suture should be in line with transverse diameter of pelvis Conditions to be fulfilled prior to forceps operation: The fetal head must be engaged Cervix must be fully dilated Membranes must be ruptured The position and station of the fetal head must be known No major CPD Adequate analgesia Bladder must...
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Amino acid involved in urea synthesis:
Ans:B.)Aspaic Acid Urea has 2 amino (-NH2) groups, one derived from NH3 and other from aspaate.UREA CYCLE* Location: Cytosol and mitochondria of hepatocytes.* Substrates: NH 3 (as derived from oxidative deamination of glutamate); CO2 ; aspaate; three ATP.* Products: Urea; fumarate; H2O.* Purpose: The urea cycle allows ...
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Current mode of analgesia best for intrapartum pain relief:
Ans. a (Epidural analgesia)LUMBAR EPIDURAL ANALGESIAIndications for lumbar epidural analgesia :# Pain in labor, management of the patient with preeclampsia who does not have a coagulation abnormality, management of labor in patients with certain cardiac lesions, and management of breech delivery.# Of the various pharma...
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28 weeks pregnancy with abdominal pain and fever. Ultrasonographic examination shows presence of fibroid. What is the next line of management-
Ans. is 'b' i.e., Conservative management o The presence ofpain and fever in a female in her mid pregnancy with ultrasound examination showing presence offibroid supports the diagnosis of red degeneration.Red Degeneration (Also known as Carneous Degeneration)o Occurs in pregnant females with presence of fibroid because...
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Which of the following is seen at high altitude:September 2011
Ans. A: Low PaO2With increasing altitude, barometric pressure decreases, so the total pressure of the air decreases and pH2O and pCO2 remains constant So p02 and pN2 decreases progressively with heightHigh-altitude illnessUsually occurs at altitudes of over 1,500 m (4,921 ft)Caused primarily by hypoxia but is compounde...
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In a child presenting with obstructive jaundice all are seen except
.lab investigations in obstructive jaundice gamma glutamyl transpeptidase:>50IU/L Serum bilirubin:>1mg%direct is increased serum albumin globulin ratio prothrombin time serum alkaline phosphatase,SGOT,SGPT,5&;nucleotidase ERCP TLC BAILEY AND LOVE&;S SHO PRACTICE OF SURGERY,24 th edition, PG NO:696
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Most common renal pathology in shock:
Ans: a
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Which of these features is a classic radiologic feature of optic nerve glioma:
Ans. Kingking of optic nerve
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Treatment of Advanced Proliferative Diabetic Retinopathy with extensive vitreoretinal fibrosis and tractional retinal detachment involves all of the following except.
D i.e. Exophotocoagulation Treatment of advanced proliferative diabetic retinopathy with vitreoretinal fibrosis and tractional rectinal detachment involves previtrectomy pan retinal endophoto coagulation (not exophotocoagulation)Q, vitrectomy (pars plana or posterior route), reattachment of detached or torn retina and ...
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Deficiency in globin synthesis
Ans. is 'a' i.e., ThalassemiaThalassemia Syndromes :?The thalassemia syndromes are a heterogeneous group of disorders caused by inherited mutations that decrease the synthesis of either the a-globin or (3-globin chains that compose adult hemoglobin, HbA (a2(32), leading to anemia, tissue hypoxia, and red cell hemolysis...
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A alcoholics addicted presents in emergency with irrelevant talking & disoriented to time, place and person there is H/O not taking alcohol from last 3 days & no head injury. He also have visual hallucination. The diagnosis?
B i.e. Delirium tremens
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In computed tomography (CT), the attenuation values are measured in Hounsfield units (HU). An attenuation value of '0' (zero) HU corresponds to:
Ans. Water
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SSRI is first line treatment for :
Ans:D.)All Selective serotonin reuptake inhibitors (SSRIs) are US-FDA approved drugs of first choice (line) for major Depression, Obscessive - compulsive disorder (OCD), Premenstrual dysphoric disorder, Post traumatic stress disorder (PTSD), Panic disorder, Eating disorder (bulimia nervosa), and Social phobia (social a...
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Mees lines are characteristic of which poisoning?
Mes line(Aldrich mees line) are very charactristic of Arsenic poisoning.They are white bands of opacity in the nails of fingers and toes.
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Glutamic acid is formed from which of the following amino acid?
Glutamic acid is formed by the transamination of alanine and vice versa. Alanine aminotransferase is the enzyme and pyridoxal phosphate is the coenzyme.Ref: DM Vasudevan - Textbook of Biochemistry, 7th edition, page no: 201, fig.15.8.
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Which disease comes under International Surveillance?
Diseases under WHO surveillance Polio Rabies Relapsing fever Influenza Salmonellosis Malaria Louse born typhus Ref : Park's Textbook of Preventive and Social Medicine; 24th edition
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Coenzyme used in Kreb's cycle ?
Niacin is used as coenzyme nicotinamide adenine dinucleotide (NAD') for transfer of hydrogen.
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Apolipoprotein activating L-CAT (LQ) is
A-1 is the integral apoprotein of HDL.LCAT binds to discoidal HDL activated by A1 conves discoidal HDL to HDL 3Harpers Biochemistry; 30th edition
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B-type tympanogram is seen in -
Ans. is 'a' i.e., Serous otitis media Type of curseConditionA curve (Normal peak height and pressure)NormalEustachian tube obstructionAs curve (It is also a variant of normal tympanogram but may be shallow)OtosclerosisTumors of middle earFixed malleus syndromeTy mpanosclerosi sAd curve(Variant of normal with high peak)...
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In adults, circulatory collapse occurs after a minimum of what percentage burns of total body surface area: NIMHANS 08; TN 11
Ans. 15%
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What passes through diaphragm at T12 level ?
Ans. is 'c' i.e., Thoracic duct
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Beri-Beri is caused by -
- beri beri is due to the deficiency of thiamine. - it has 3 main forms. Dry form characterised by nerve involvement. Wet firm characterised by hea involvement and infantile beri beri. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:618 <\p>
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A 58 year old male presents with hematuria. He s diagnosed of having bladder cancer which extends muscle deep. The best treatment is
Answer- B. Neoadjuvant chemotherapy followed by radical cystectomy
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The most common cause of a pleural effusion is
The most common cause of pleural effusion is left ventricular failure. Pleural effusions occur in hea failure when there are increased hydrostatic forces increasing the pulmonary interstitial fluid and the lymphatic drainage is inadequate to remove the fluid.Right-sided effusions are more common than left-sided effusio...
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M/c cause of chronic laryngeal stenosis ?
Ans. is 'a' i.e., Trauma Laryngeal stenosis (LS) is a congenital or acquired narrowing of the larynx causing airway compromise. The acquired causes may be due to endotracheal intubation, trauma, burns, inflammation, neoplasms, autoimmune disorders and collagen vascular disease.
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Child knows his/her sex at the age of:
A child knows her full name and gender by the age of 3 years.
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Early stage of trauma is characterized by
Injury Phase (Phase of catabolism):-- Begins at the time of injury and lasts for 2-5 days-- Phase of hypermetabolism-- Stress hormones (coisol, catecholamines and glucagon) and volume control hormones (renin-angiotensin, aldosterone and ADH) are increased. This leads to proteolysis, lipolysis, hyperglycemia and wound h...
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Example for Denticulate suture
Types of sutures:Plane: Internasal sutureSerrate: Coronal sutureDenticulate: Lambdoid sutureSquamous: Parieto-Temporal sutureReference: Chourasia; 6th Edition; 4th page
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A 29-year-old female diagnosed with AIDS has been suffering from a progressive blurring of vision in her right eye. On funduscopic examination, a small white opaque lesion is noted on the retina of her right eye. Which of the following is the most appropriate therapy for this patient?
This patient is most likely suffering from cytomegalovirus (CMV) retinitis. The best drug treatment for this infection is ganciclovir. Acyclovir is not effective in CMV infections. It is used more for HSV type 1 and 2 infections. Amantadine is used either therapeutically or prophylactically for the influenza A virus. F...
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Denominator of MMR if MMR is expressed as 167 is:-
Ans. is 'a' i.e. 1000 live births It's a ratio: Denominator is Per 100000 live births. It will be rate : if the denominator is reproductive women. But still some books write it as rate. But in Park it's clearly differentiated. The data we express MMR as 167 is a ratio.
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Kamli Rath 75 yrs old woman present with post-myocardial infarction after 6 weeks with mild CHF. There was past H/O neck surgery for parathyroid adenoma 5 years ago, EKG shows slow atrial fibrillation. Serum Ca+2 13.0 mg/L and urinary Ca2+ is 300 mg/ 24 hr. On examination, there is small mass in the Para tracheal posi...
This patient operated previously for parathyroid adenoma, is having recurrent hyperparathyroidism. In the setting of recent myocardial infarction, CHF and atrial fibrillation, any operation carries a high risk. Furthermore, an operation on a previously operated neck is quite difficult. Alcohol ablation of the mass with...
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Polyariticular rheumatoid ahritis is diagnosed when more than............. Joints are involved
The initial pattern of disturbution of joint involvement may be monoaicular,oligoaicular(less than 4 joints),or Polyariticular (,greater than 5 joints ) usually on a symmetric distribution Ref, :Robbins page no 1209 8th edition
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A 56-year-old woman with a history of breast cancer that was treated 5 years ago with lumpectomy and radiation but with no chemotherapy returns with bone pain, fatigue, and weakness. A complete blood count reveals severe anemia, as well as decreased white blood cells and platelets. Examination of a peripheral blood sme...
- Infiltration of tumor cells from cancers, those of breast & prostate - displaces bone marrow elements, thereby causing myelophthisic anemia. OTHER OPTIONS: - Chloramphenicol causes aplastic anemia in some individuals. - Diphyllobothrium latum infestation can result in megaloblastic anemia due to vitamin B12 deficienc...
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Which is the first permanent tooth to erupt ?
First and the last tooth to erupt in permanent dentition is Molars.
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The limit of loudness (expressed as decibels) that workers can tolerate without substantial damage to their hearing, during their work hours, is:
A noise of 90 dB (A) SPL, 8 hours a day for 5 days per week is the maximum safe limit as recommended by Ministry of Labour, Govt. of India-Model rules under Factories act Noise induced hearing loss Hearing loss can result from damage to structures or nerve fibers in the inner ear that respond to sound. This type of hea...
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Among the following the least common cause of acute upper GI bleeding is?
Source of bleeding Propoion of patients, % Ulcers 31-67 Varices 6-39 Mallory Weiss tears 2-8 Gastroduodenal erosions 2-18 Erosive esophagitis 1-13 Neoplasm 2-8 Vascular ectasia 0-6 No source identified 5-15
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HHV-6B causes -
HHV 6B is the cause of mild but common childhood illness exanthem subitum. In older age groups ,it has been associated with infectious mononucleosis syndrome,focal encephalitis and in the immunodeficient,with pneumonia and disseminated disease. REF:ANATHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 8TH EDITION PAGE N...
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Which of the following findings is suggestive that ovulation has taken place?
Endometrial biopsy Early secretory Subnuclear vacuolation (Ist HPE evidence of progesterone secretion) Seen on D16 of cycle Nuclei of glands gone up Stromal edema Late secretory Toous/ coiled glands All secretions in lumen of gland Cork screw glands( on D20 of cycle) Max stromal edema seen around D22of cycle) HPE of Pr...
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Sedative with GABA facilitating action but without anticonvulsant and muscle relaxant propeies and no effect on sleep ?
Ans. is 'b' i.e., Zolpidem Among the given options, three are sedative-hypnotic with GABA facilitatory action - Diazepam (a benzodiazepine) - But it also has anticonvulsant and muscle relaxant propey. it) Phenobarbitone - But it has anticonvulsant propey. Zolpidem Has no anticonvulsant and muscle relaxant propey and ha...
8,491
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First branch of Facial nerve is:
Ans. C. Greater petrosal nerveFacial nerve is the 7th cranial nerve. It is a mixed (i.e., motor and sensory) nerve, but predominantly it is motor. It is named facial nerve because it supplies the muscles of facial expression.Branchesa. Greater petrosal nerve--arises from the geniculate ganglion. It is the first branch ...
8,492
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The demographic goal of Net Reproduction Rate is equal to one (NPR=1) can be achieved only if the Couple Protection Rate exceeds
(C) 60%[?]Couple protection rate (CPR)oCouple protection rate (CPR) is an indicator of the prevalence of contraceptive practice in the community.oIt is defined as the per cent of eligible couples effectively protected against childbirth by one or the other approved methods of family planning, viz. sterilization, IUD, c...
8,493
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Paraneoplastic syndrome associated with RCC are all of the following, except:
RCC is associated with wide range of paraneoplastic syndromes, ? Erythrocytosis (polycythemia ? Hypercalcemia ? Hypeension ? Non metastatic hepatic dysfunction Cushing syndrome is rarely seen in RCC. Ref: Emil A. Tanagho, Jack W. McAninch, (2004), Chapter 21, "Renal paranchymal neoplasm", In the book, "Smith's General ...
8,494
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Red flag sign in child development if not attained by __________
Red Flags in Developmental Screening and SurveillanceThese indicators suggest that development is seriously disordered and that the child should be promptly referred to a developmental or community pediatrician. Note: Most children do not have "red flags" and thus require quality screening to detect any problems. POSIT...
8,495
medmcqa_train
Michaelis Menten Hypothesis states that
Michaelis-Menten Theory (Enzyme-Substrate Complex Theory) Enzyme combines with a substrate to form a transient Enzyme-Substrate Complex which immediately break into Enzyme and products.
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Function of Ig A is -
Question repeated
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Glycolytic enzymes(s) inhibited by Fluoride:
Inhibitors of Glycolysis: Inhibitors of Glycolysis Enzyme Inhibited Iodoacetate Glyceraldehyde - 3 - P Dehydrogenase Arsenate Glyceraldehye - 3 - P Dehydrogenase Sodium fluoride Enolase Oxamate Lactate Dehydrogenase
8,498
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A patient is to undergo angiography for unstable angina. His routine evaluation revealed his serum creatinine to be elevated. All of the following can be used to prevent contrast nephropathy, EXCEPT:
Strategies for the Prevention of Contrast-Induced Nephropathy: Strategies that do not work: Mannitol Furosemide Dopamine Atrial natriuretic factor Fenoldopam Hemodialysis Strategies that may work: Calcium channel blockers Theophylline N-Acetylcysteine Hemofiltration Sodium bicarbonate Ascorbic acid Iso-osmolar contrast...
8,499
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