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True about the statement is: When null hypothesis is rejected when it is true?: (A) Type I alpha error, (B) Type II beta error, (C) Gamma error, (D) All of the above
Answer is A. None
Thin filament consists of all except:: (A) Actin, (B) Troponin, (C) Myosin, (D) Tropomyosin
Answer is C. Myosin is thick filament. All others  in the options are thin filaments.
A 1-year-old boy presents with a delay in motor development. Progressive muscle weakness and blindness ensue, and the patient dies within a year. The brain at autopsy shows swollen neurons that contain numerous lysosomes filled with lipid. Which of the following is the most likely diagnosis?: (A) AL amyloidosis, (B) Hu...
Answer is D. Tay-Sachs disease is a lethal, autosomal recessive disorder caused by an inborn deficiency of hexosaminidase A, which permits the accumulation of ganglioside GM1 in CNS neurons. The disease is fatal in infancy and early childhood. Retinal involvement increases macular transparency and is responsible for a ...
Most common cause of neonatal meningitis-: (A) Staphylococcus, (B) E. coli, (C) H. influenze, (D) Pneumococcus
Answer is B. Ans. is 'b' i.e., E. coli o E. coli & streptococcus agalactie (group B streptococci) are the two most common cause of neonatal sepsis and meningitis.
Primary complex in which of the following sites suggest congenital tuberculosis -: (A) Lungs, (B) Liver, (C) Lymph nodes, (D) Skin
Answer is B. None
R-factor in bacteria is transferred by: (A) Transduction, (B) Transformation, (C) Conjugation, (D) Vertical transmission
Answer is C. Conjugation Bacterial conjugation is the transfer of genetic material between bacteria through direct cell to cell contact or through a bridge- like the connection between two cells. Conjugation is a process whereby a donor (male) bacterium makes physical contact with a recipient (female) bacterium. Donor...
CO2 is primarily transpoed in the aerial blood as: (A) Dissolved CO2., (B) Carbonic Acid., (C) Carbamino-hemoglobin., (D) Bicarbonate
Answer is D. D i.e. Bicarbonate Transpo of CO2 in the form of bicarbonate ions accounts for approximately 70% of transpoed carbon dioxide from the tissues to lungs Q. So CO2 is transpoed as plasma HCO3 - > RBC > HCO3- > Carbamino compound > dissolved CO2 Q &Transpo of Carbon Dioxide Carbon dioxide is transpoed in the b...
What is the sequence of development of pubey in girls ?: (A) Thelarche, Pubarche, linear growth spu, Menarche,, (B) Pubarche, Thelarche, Menarche, linear growth spu, (C) Pubarche, Menarche, Thelarche, linear growth spu, (D) Menarche, Thelarche, Pubarche, linear growth spu
Answer is A. The sequence of SPECIFIC events of Pubeal events in girls is thelarche, pubarche, linear growth spu, menarche. Please note: This is not to confuse with accelarated general physical growth which is the first event in pubey Pubey Specific events in girls Events in boys 1st Thelarche Testicular enlargement 2n...
A 70 - year- old man was administered penicilline intravenously. Within 5 minutes, he developed genralised urticaria, swelling of lips, hypotension and bronchospasm. The first choice of treatment is to administer:: (A) chlorphenitramine inj., (B) Epinephrine inj., (C) High dose hydrocortisone tablet, (D) nebulised salb...
Answer is B. Ans. is 'b' i.e. epinephrine injection Urticaria, swelling of lips, hypotension and bronchospasm within 5 minutes of i.v penicillin suggests anaphylactic reaction. It's a major problem with the use of penicillin.The t/t of choice for anaphylaxis is i.v epinephrine.
Daily water requirement in child weighing 30 kgs, height 123 m and BSA of 1 m2 is-: (A) 1300 m1, (B) 1700 ml, (C) 2000 ml, (D) 2500 ml
Answer is B. Ans. is 'b' i.e., 1700 ml Fluid requirment in a child o It depends on the weight of a child :- Weight Water requirments < 10 kg o 100 ml/kg/day 10-20 kg o 100 ml / kg / day for first 10 kg (i.e. 1000 ml) + 50 ml / kg / d for every kg above 10 kg. >20 kg o 100 ml/kg/day for first 10 kg (i.e. 1000 ml) + 50 m...
Drug of choice for ADHD is: (A) Methylphenidate, (B) Modafinil, (C) Amitriptyline, (D) Adrenaline
Answer is A. .
Double bubble sign is seen in -: (A) Ladd's band, (B) Annular pancreas, (C) Duodenal atresia, (D) All of the above
Answer is D. Ans. is 'd' i.e., All of the above o Double bubble sign is seen in duodenal atresia, duodenal web, deudenal stenosis, Ladd's band, Annular pancreas, Malrotation of gut, preduodenal vein.Single Bubble signCongenita] hypertrophic pyloric stenosisDouble Bubble signDuodenal atresiaDuodenal webDuodena] stenosis...
A 16 year old boy does not attend school because of the fear of being harmed by school mates. He thinks that his classmates laugh at him and talk about him. He is even scared of going out of the market. He is most likely suffering from:: (A) Anxiety disorder, (B) Manic depressive psychosis (bipolar disorder), (C) Adjus...
Answer is D. The history is suggestive of delusion of persecution (fear that schoolmates may "harm" him) and delusion of reference (belief that classmates laugh at him and talk about him). Had they not used the term "harm" and "scared" a diagnosis of social anxiety disorder could have been enteained.
Bad trip is seen with which of the following drugs?: (A) Cannabis, (B) LSD, (C) None, (D) Both
Answer is B. LSD is a type of hallicinogen LSD means lysergic acid diethylamide LSD was introduced and first used by ALBE HOFFMANNBad trip is seen with LSD and cannabis but common with LSD Ref: Essentials of postgraduate psychiatry By JN Vyas 1st ed Pg 330-336
Chromosome involved in Wilm's tumor is: (A) 11, (B) 13, (C) 18, (D) 22
Answer is A. WTl is the best characterized Wilms tumor gene. It is located at chromosome llp13 and encodes for a transcription factor that is critical for normal development of kidneys and gonads. WT2 is localized to a cluster of genes at llpl5. Reference: Essential paediatrics; O.P.Ghai; Childhood Malignancies; Page n...
Groove sign is seen in-: (A) Syphilis, (B) Dermatomyositis, (C) LGV, (D) SLE
Answer is C. Ans. is 'c' i.e., LGV * 'Groove sign of Greenblatt' is pathognomonic of LGV (secondary stage) - when inguinal lymph nodes are enlarged, they are separated by Poupart's ligment, producing a groove.Lymphogranuloma venerum (lymphogranuloma inguinale)* LGV is caused by chlamydia trachomatis, serotypes LI, L2, ...
Hyperchloremic acidosis is seen in-: (A) A, (B) Diarrhoea, (C) DKA, (D) Dehydration
Answer is A. The combination of hyperkalemia and hyperchloremic metabolic acidosis is often present, even at earlier stages of CKD (stages 1-3).In patients with diabetic nephropathy or in those with predominant tubulointerstitial disease or obstructive uropathy; this is a non-anion-gap metabolic acidosis.
A patient with cervix cancer is missed by a screening test and later diagnosed with advanced disease. This time interval is called ?: (A) Lead time, (B) Screening time, (C) Serial interval, (D) Generation time
Answer is A. Ans. is 'a' i.e. Lead time
The internal pudendal aery arises from which of the following aeries?: (A) External iliac aery, (B) Inferior vesical aery, (C) Internal iliac aery, (D) Inferior epigastric aery
Answer is C. The internal iliac aery divides into an anterior and a posterior trunk near the greater sciatic foramen.Branches of ANTERIOR TRUNKUmbilical aeryObturator aeryUterine aeryInferior vesical and vaginal aery (females)Middle rectal aeryInternal pudendal aeryInferior gluteal aeryBranches of POSTERIOR TRUNKIliolu...
Increased Ig A levels are seen in: (A) Alcoholic hepatitis, (B) Alcoholic cirrhosis, (C) Microvescicular fatty change, (D) Macrovesicular fatty change
Answer is B. Serum IgA increased in - Alcoholic cirrhosis Serum IgM increased in -Primary biliary cirrhosis (Ref: Clin Exp Immunol.2009 Oct; 158(1): 115-124, Liver.1984 Jun;4(3): 214-8)
Rituximab is a monoclonal antibody used for treatment of:-: (A) Non-Hodgkin's lymphoma, (B) Gastrointestinal Stromal Tumors, (C) Chronic Myeloid Leukemia, (D) Acute Myeloid Leukemia
Answer is A. Rituximab is a monoclonal antibody against CD20. It is used for treatment of: Non-Hodgkin lymphoma Chronic lymphoid leukemia Rheumatoid ahritis SLE Auto-immune hemolytic anemia Idiopathic thrombocytopenic purpura
The least common type of intussusceptions is:: (A) Multiple, (B) Colocolic, (C) Ileoileal, (D) Ileoileocolic
Answer is A. Types of Intussusceptions (in decreasing order) Ileocolic (77%) Ileo-ileo-colic (12%) Ilioileal (5%) Colocolic (2%): MC in adults Multiple (1%) Retrograde (0.2%)
Most definitive diagnosis of sinusitis is by: (A) X- ray PNS, (B) Proof puncture, (C) Sinuscopy, (D) Transillumination test
Answer is C. Sinuscopy is a method of Endoscopic sinus observation or surgery using Nose telescope. It involves the evaluation of nasal and sinus passages using the endoscope called Sinuscope. The Sinuscope has a narrow tube with a built-in camera so that the physician can see the internal details of the sinuses. By ob...
An 18 year old male patient presented to the clinic with pain and swelling in the lower jaw. Intraoral examination revealed localized gingival bleeding in the right posterior region. On palpation, pulsations can be appreciated. Lesions are also appreciated on the frontal bone on a radiograph. Which condition is present...
Answer is A. Vascular malformation (VM) in bone occurs more frequently than the central hemangioma (CH) of bone. Some 35% of VMs occur in bone, whereas CHs of bone are rare. The CH of bone is a benign tumor that rarely occurs in the jaws; it occurs more frequently in the skull and vertebrae. It may be congenital or tra...
Most common anterior mediastinal tumor?: (A) Thymoma, (B) Neurofibroma, (C) Pericardial cyst, (D) Bronchogenic cyst
Answer is A. Ref: Bailey and Love, 26th edition, P 868Most common anterior mediastinum tumor is thymoma. Choice B is seen in posterior mediastinum. Choice C and D are found in middle mediastinum.
Functional unit of Liver is: (A) Hepatocytes, (B) Poal Tracts, (C) Liver Acinus, (D) Hepatic Lobule
Answer is C. Anatomical unit of liver - Hepatic Lobule Functional unit of liver- Liver Acinus
Grievous hurt is defined under:: (A) 320IPC, (B) 318 IPC, (C) 321 IPC, (D) 375 IPC
Answer is A. Ans: a (320 IPC) Ref: Reddy, 21st ed, p. 244Grievous hurt is defined under IPC 320Some important IPC'sIPC 375 - definition of rapeIPC 376 - punishment of rapeIPC 320 - definition of grievous heartIPC 84 - deals with the criminal responsibility of insaneIPC304A - deals with criminal negligenceIPC 304B - dow...
Glaucoma is caused by -: (A) Raised intraocular pressure, (B) Raised intracranial Pressure, (C) Intraocular infection, (D) Orbital mass
Answer is A. Ans. is 'a' i.e., Raised intraocular pressure The most common risk factor known is increased intraocular pressure (lOP)o Glaucoma is a group of eye diseases causing optic nerve damage i.e., glaucoma is a chronic, progressive optic neuropathy caused by a group of ocular conditions which lead to damage of op...
Best indicator for nutritional status for a child is -: (A) Mid arm circumference, (B) Head circumference, (C) Rate of increase of height and weight, (D) Chest circumference
Answer is C. Rate of increase of height and weight is the best measure for nutritional status of a child. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. 500,501
Aerosolized ribavirin is used in the treatment of bronchiolitis with –: (A) RSV, (B) H.influenza, (C) Pneumococcus, (D) Streptococcus
Answer is A. None
Amplification of DNA uses the polymerase chain reaction (PCR) technique. Cation used in PCR is:: (A) Calcium, (B) Lithium, (C) Magnesium, (D) Sodium
Answer is C. PCR is an in vitro method for the polymerase-directed amplification of specific DNA sequences using two oligonucleotide primers that hybridize to opposite strands and flank the region of interest in the target DNA. The specificity and yield in amplifying a paicular DNA fragment by PCR reaction is affected ...
Which of the following statements about mycosis fungoides is not true?: (A) It is the most common skin lymphoma, (B) Pautriers micro abscesses are common, (C) It has a indolent course and good prognosis, (D) It presents with diffuse erythroderma.
Answer is C. C i.e. It has indolent course and good prognosis
Babesiosis is transmitted by -: (A) Tick, (B) Mites, (C) Flea, (D) Mosquito
Answer is A. Ans. is 'a' i.e., Tick Babesiao Babesiosis is a protozoan disease caused by two species of Babesia : Babesia microti and Babesia divergens.o It is transmitted by loxdid tick.o Babesia infects the RBCs and resides inside the RBCs ( intraerythrocytic). Intraery throcytic infection of Babesiosis is characteri...
Manifestation of Acute Dissection include all of the following, Except:: (A) Pericardial effusion, (B) AR, (C) MR, (D) AMI
Answer is C. Answer is C (MR) Mitral Regurgitation is not a feature of Aoic dissection Aoic Regurgitation and Pericardial Tamponade may be seen in proximal dissection Hemopericardium and cardiac tamponade may complicate a dissection involving the ascending aoa (type A lesion with retrograde dissection): Acute Aoic Regu...
Pancytopenia is most common after:: (A) Hepatitis, (B) Infective carditis, (C) Pyelonephritis, (D) Meningitis
Answer is A. Hepatitis is the most common preceding infection, and post hepatitis marrow failure accounts for about 5% of etiologies in most series. Patients are usually young men who have recovered from a bout of liver inflammation 1 to 2 months earlier; the subsequent pancytopenia is very severe. The hepatitis is ser...
Which is NOT a third generation Cephalosporin: (A) Ceftriaxone, (B) Cefotaxime, (C) Ceftizoxime, (D) Cefuroxime
Answer is D. Ans. is 'd' i.e., Cefuroxime Third generation cephalosporins include Parenteral OralCefotaxime - CefiximeCeftizoxime - Cefpodoxime proxetilCeftriaxone - CefdinirCeftazidime - Ceftibuten Cefoperazone Also knowFourth generation cephalosporinsCefepimeCefaparole
Rigor moritis devolops ..... after death :: (A) 1/2-1 hrs, (B) 1-2 hrs, (C) 3-6 hrs, (D) 12 hrs
Answer is B. B i.e. 1 - 2 hours
All of the following murmurs may be heard in patients with aoic regurgitation except:: (A) High-pitched decrescendo diastolic murmur., (B) Soft, low pitched mid distolic rumbling murmur., (C) Mid-systolic ejection flow murmur, (D) Pansystolic murmur
Answer is D. Answer is D (Pansystolic murmur)
Best investigation to see calcification is:: (A) CT, (B) MRI, (C) X-ray, (D) USG
Answer is A. Ans: A (CT ?) Ref: Harrison !v Principles of internal medicine.18th edition.Explanation:CT is the best technique to detect pericardial calcification; however, overpenetrated films, conventional tomography, fluoroscopy, and MRI may be helpful.Plain radiographs have poor sensitivity for detection of coronary...
Maximum FiO2 which can be given through a nasal oxygen catheter:-: (A) 1, (B) 0.6, (C) 0.2, (D) 0.44
Answer is D. A nasal cannula is generally used wherever small amounts of supplemental oxygen are required, without rigid control of respiration, such as in oxygen therapy. Most cannulae can only provide oxygen at low flow rates--up to 5 litres per minute (L/min)--delivering an oxygen concentration of 28-44%. Rates abov...
Osteogenesis imperfecta: (A) Is a sex-linked disorder of bones that develop in cartilage, (B) manifests with blue sclera which are pathognomonic of this disease, (C) May be associated with deafness, (D) Has associations with amelogenesis imperfecta
Answer is B. None
True about neuropraxia: (A) Prolongatinon of conduction velocity, (B) Good prognosis, (C) Both, (D) None
Answer is C. Neuropraxia is due to compression of the nerve,the nerve conduction velocity is increased. It has good prognosis Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:74,75,76
Agonistic action at which of the following adrenergic receptor result in the reduction of excess secretion: (A) Beta 1 receptor, (B) Beta 2 receptor, (C) M2 receptor, (D) Alpha 2 receptor
Answer is D. Ref-KDT 6/e p146 Stimulation of Alpha 2 receptors located on ciliary epithelium reduces secretion of aqueous humor.
All of the following features are seen in the viral pneumonia except:: (A) Presence of interstitial inflammation, (B) Predominance of alveolar exudate, (C) Bronchiolitis, (D) Multinucleate giant cells in the bronchiolar wall
Answer is B. Typical Pneumonia Atypical pneumonia -Bacterial etiology -Alveolar exudate + neutrophilic infilitration -C/F - High grade fever productive Cough Pleuritis Signs of consolidation -Non - bacterial etiology (e.g. Virus) -Interstitial tissue inflammation -C/F- Low grade fever Dry cough Malaise no signs of cons...
Which of the following causes BOTH superior and inferior rib-notching in a chest radiograph?: (A) NF-1, (B) Blalock Taussig shunt, (C) SVC occlusion, (D) Coarctation of aoa
Answer is A. Superior rib notching -Polio -Restrictive lung disease -Neurofibromatosis -Connective tissue disease -Osteogenesis imperfecta Inferior rib notching -Thrombosis of aoa -Coarctation of aoa -Blalock Taussig shunt -Occlusion of subclan aery -Pulmonary AV malformation Both Superior and inferior rib notching -NF...
The most accurate diagnostic test for Zollinger-Ellison syndrome (ZES) is: (A) Fasting serum gastrin, (B) Computed tomography (CT) scan, (C) Endoscopy, (D) Secretin stimulation test
Answer is D. -All patients with gastrinoma have an elevated gastrin level, and hypergastrinemia in the presence of elevated basal acid output (BAO) strongly suggests gastrinoma. -Patients with gastrinoma usually have a BAO >15 mEq/h or >5 mEq/h if they have had a previous procedure for peptic ulcer. -Acid secretory med...
What is the average number of fleas of each species per rodent called -: (A) General Flea index, (B) Specific Flea index, (C) Incidence of Fle species, (D) Flea infestation Rate
Answer is B. <p> It is the average number of each species per rat/rodent. Reference:Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:294. <\p>
Periosteal reaction in a case of acute osteomyelitis can be seen earliest at: March 2012: (A) 5 days, (B) 10 days, (C) 15 days, (D) 20 days
Answer is B. Ans: B i.e. 10 days The earliest sign to appear on the X-ray is a periosteal new bone deposition (periosteal reaction) at the metaphysis. It takes about 7-10 days to appear Osteomyelitis Earliest site of involvement: Metaphysis Diagnosis of acute OM: Blood culture (positive in 65% cases) Periosteal reactio...
Which of the following is not associated with zinc deficiency: March 2005: (A) Delayed wound healing, (B) Loss of libido, (C) Pigmentation, (D) Sexual infantilism
Answer is C. Ans. C: Pigmentation Acrodermatitis enteropathica is a rare inherited form of zinc deficiency, characterized by periorificial and acral dermatitis, alopecia, and diarrhea. Symptoms of Zinc Deficiency Poor Immune system Weight loss Intercurrent infections Hypogonadism in males Lack of sexual development in ...
Preimplantataion genetic diagnosis is used for: (A) Fetal gender determination, (B) Single gene mutation analysis, (C) HLA typing, (D) Karyotyping
Answer is B. Pre implantation genetic diagnosis is used for daignosis of single gene disorders such as cystic fibrosis, β - thalassemia and hemophilia.
Which of the following about phenytoin is true ?: (A) It follows zero order kinetics, (B) Not an hepatic enzyme inducer, (C) It is excreted unchanged in urine, (D) It is not teratogenic
Answer is A. Ans. is 'a' i.e., It follows zero order kinetics Phenytoin is metabolized in liver by hydroxylation and glucuranide conjugation (option 'c' is incorrect) o This drug follows saturation kinetics (kinetics changes from first order to zero order within therapeutic concentrations) Phenytoin is an enzyme induce...
False about stagardt's disease: (A) Autosomal dominant, (B) No family history, (C) Beaten bronze appearance fundus, (D) ERG and EOG both are normal
Answer is A. Stagardt's disease is autosomal recessive.
All of the following are killed vaccines, EXCEPT:: (A) Salk, (B) Hepatitis B vaccine, (C) 17-D Vaccine, (D) HDCV
Answer is C. 17-D vaccine is a live attenuated vaccine used to control yellow fever. Killed vaccines are used to control typhoid, cholera, peusis, plague, rabies, salk (polio), influenza, hepatitis A, B, japanese encephaltis and KFD. Ref: Park's Textbook Of Preventive and Social Medicine 20th edition page 98.
Kerley B line are seen at: (A) Apex, (B) Cardiophrenic angle, (C) Lung fissure, (D) Pleural surface
Answer is D. Ans. is 'd' i.e., Pleural surface Kerley's line Kerley's line is a linear opacity which, depending on its locaton, extent and orientation, may be be fuher classified as :? Kerley's A lines o These are thin, non-branching lines radiating from hilum. These lines are 2-6 cm in length. These lines are found in...
All of the following are true about BCG vaccine except.: (A) WHO recommends Danish 1331 strain of M.bovis, (B) Given intradermally, (C) Normal saline is a diluent, (D) Site of injection should be cleaned with spirit
Answer is D. Site of injection should be cleaned with soap but not with disinfectant or spirit.
Commonest etiology of erythema multiforme is -: (A) Viral, (B) Bacterial, (C) Food, (D) Drugs
Answer is A. A. i.e. Viral
Apex national institute of ophthalmology is: (A) Advance eye care PGI Chandigarh, (B) RIO, (C) Dr. R P Centre for Ophthalmic Sciences , Delhi, (D) Shankara Netralaya , Chennai
Answer is C. Dr RP Centre for Ophthalmic Sciences, New Delhi has been designated as the apex national institute of ophthalmology.
Which laser is used in the management of after cataracts:: (A) Argon, (B) Krypton, (C) Nd-YAG, (D) Excimer
Answer is C. Ans. Nd-YAG
Which of the following statements about Kaposi sarcoma is not true?: (A) The most common site is scalp, (B) Lesions are dark blue or purple mostly, (C) They are usually multifocal, (D) Lymph nodes may be involved
Answer is A. Ans. A. The most common site is scalpKaposi sarcoma is mostly seen in extremities: most commonly on feet and occasionally on hands, ears, and nose.* Lesions are usually dark blue or purple and they may blanchewhen tumid (swollen).* Locally aggressive lesions can ulcerate, fungate or leave pigmented scars.*...
All of the following veins lack valves except: (A) Femoral vein, (B) Poal vein, (C) IVC, (D) Dural venous sinuses
Answer is A. Veins which do not have valves are:IVCSVCHepatic, ovarian, uterine, renal, emissary, cerebral, pulmonary, and umbilical veinsPoal venous system is a valveless system
The best laboratory test to use in the diagnosis of Lupus vulgaris in the oral cavity is:: (A) Bacterial smear, (B) Blood studies, (C) Biopsy, (D) Blood chemistry
Answer is C. None
Risk factor for melanoma are all of the following EXCEPT: March 2013: (A) Exposure to UV radiation, (B) Black people, (C) First degree relative with melanoma, (D) Multiple or dysplastic naevi
Answer is B. Ans. B i.e. Black people Melanoma is commoner in fair complexion Malignant melanoma/ MM Mode of spread of MM: Lymphatic channels or hematogenous Cutaneous melanoma arises from: Epidermal melanocytes MC site involved in lentigo maligna (least common): Face MC type of MM: Superficial spreading Most malignant...
Preferred fluoroquinolone against m. leprae is -: (A) Ofloxacin, (B) Pefloxacin, (C) Ciprofloxacin, (D) Moxifloxacin
Answer is A. Ans. is 'a' i.e., Ofloxacin Drugs acting on M. leprae* Established agents used to treat leprosy include dapsone (50-100 mg/d), clofazimine (50-100 mg/d, 100 mg three times weekly, or 300 mg monthly), and rifampin (600 mg daily or monthly. Of these drugs, only rifampin is bactericidal.* The sulfones (folate...
When the patient fails to understand normal speech but can understand shouted or amplified speech the hearing loss is termed as: (A) Mild hearing loss, (B) Moderate hearing loss, (C) Severe hearing loss, (D) Profound hearing loss
Answer is C. DEGREES OF HEARING LOSS 0-25dB-Not significant impairment- no significant difficulty with faint speech 26-40dB-Mild impairment-Difficult with faint speech 41-55dB-Moderate impairment -Frequently difficult with normal speech 56-70dB-Moderately severe impairment-Frequently difficult with loud sound 71-91dB-S...
Local anaesthetics :: (A) Block the release of neurotransmitters, (B) Block the influx of sodium into the cell, (C) Increase the release of inhibitory neurotransmitters, (D) Inhibit the efflux of sodium from neurons
Answer is B. None
Gingival sulcus is V shaped and it barely permits the entrance of a: (A) Periodontal hoe, (B) Periodontal curette, (C) Periodontal probe, (D) Periodontal sickle
Answer is C. None
A child with three days history of upper respiratory tract infection presents with stridor, which decreases on lying down postion. What is the most probable diagnosis -: (A) Acute Epiglottitis, (B) Laryngotracheobronchitis, (C) Foreign body aspiration, (D) Retropharyngeal abscess
Answer is B. Ans. is 'b' i.e., Laryngotracheobronchitis This child has : - i) 3 days history of upper respiratory tract infection. ii) Followed by stridor These features suggest the diagnosis of croup. Clinical manifestations of Croup Most patients have an upper respiratory tract infection with some combination of - Rh...
Predominant bacteria found in two days old plaque: (A) Streptococci, (B) Bacteroides, (C) Spirocheates, (D) Actinomyces
Answer is A. None
Most common movemnet force involved in fractures of the spine is which of the following?: (A) Flexion, (B) Extension, (C) C Rotation, (D) Compression
Answer is A. Flexion injury is the commonest spinal injury. Ref: Essential ohopedics by Maheshwari 3rd Edition, Page 144,259,260.
Which arm of tRNA binds it to vibosomal surface: (A) DHU arm, (B) Pseudouridine arm, (C) Acceptor arm, (D) Anticodon arm
Answer is B. Pseudoridine arm of tRNA is involved in binding of aminoacyl tRNA to ribosomal surface.
Benefits of LNG lUCD are all except :: (A) Management of menorrhagia, (B) Contraceptive effect, (C) Hormone replacement therapy after menopause, (D) stage 2 endometrial cancer
Answer is D. Mirena now used as first line of treatment of menorrhagia, in addition to the contraceptive effect. Another use is in providing progestogens component of hormone replacement therapy after menopause. THE TEXTBOOK OF GYNAECOLOGY SHEILA BALAKRISHNAN SECOND EDITION PAGE NO 379
Most common drug induced Extra Pyramidal Syndrome includes: (A) Dystonia, (B) Chorea, (C) Tardive dyskinesia, (D) Hemiballismus
Answer is A. (A) Dystonia # Drug Induced & Tardive Movement Disorders> Movement disorders secondary to pharmacological agents represent a large number of extrapyramidal disorders seen by neurologists and psychiatrists in the outpatient setting.> Involuntary movements, including tremor, chorea, athetosis, dyskinesias, d...
The earliest manifestation of increased intracranial pressure following head injury is:: (A) Ipsilateral pupillary dilatation, (B) Contralateral pupillary dilatation, (C) Altered mental status, (D) Hemiparesis
Answer is C. Early signs of elevated iCP include drowsiness and a diminished level of consciousness (altered mental status). Coma and unilateral papillary changes are late signs and require immediate intervention. Ref: Harrison's Internal Medicine, 16th Edition, Page 1633; Clinical Hepatology: Principles and Practice o...
Function of external oblique muscle:: (A) Anterior flexion of veebral column, (B) Active expiration, (C) Closure of inguinal ring, (D) All of the above
Answer is D. External oblique: Most superficial muscle which originates from the outer pa of the 5th to 12th ribs on each side of the rib cage. This muscle then runs diagonally down each side and connects to the iliac crest, linea alba, and the pubis. Function: External oblique contributes to the maintenance of abdomin...
P wave is absent in-: (A) Atrial fibrillation, (B) Atrial asystole, (C) Ventricular fibrillation, (D) Ventricular tachycardia
Answer is A. Absence of the P wave with a flat baseline may indicate: Fine atrial fibrillation Sinoatrial arrest (with a secondary escape rhythm ) in ventricular fibrilation ,ventriculat tachycardia and atrial asystole,a waves are present Ref Harrison 20th edition pg 1423
A Poly A base sequence would be most likely found at the: (A) 5' end of a prokaryotic messenger RNA (mRNA), (B) 3' end of a prokaryotic mRNA, (C) 5' end of a eukaryotic mRNA, (D) 3' end of a eukaryotic mRNA
Answer is D. The addition of a poly A tail to the 3' end is one of the post-transcriptional modifications that occurs in the processing of eukaryotic messenger RNA (mRNA). A cap consisting of a guanosine derivative is attached to the 5' end. Intervening sequences (introns) are removed by splicing. All of these processi...
Type I RPGN is seen in: (A) Cryoglobulinemia, (B) SLE, (C) Goodpasture's syndrome, (D) Wegner's granulomatosis
Answer is C. Type I RPGN is anti - GBM mediated and it is seen in Goodpasture's syndrome.
Bradycardia is seen with:: (A) Midazolam, (B) Epinephrine, (C) Succinyl choline, (D) Dopamine
Answer is C. Ans: C (Succinyl choline) Ref: Ajay Yadav, Short textbook of Pediatrics, 1st editionExplanation:Cardiac Sideeffects of Anesthetic DrugsDrugsCardiac Side effectsMidazolamMinimal reduction in Heart rate, Blood pressure and cardiac outputEpinephrineProduces tachycardia, hypertension and ventricular arrhythmia...
Infidelity & jealousy involving spouse is the thought content of which disorder -: (A) Capgras syndrome, (B) Othello syndrome, (C) Hypochondrial paranomia, (D) Declerambault's syndrome
Answer is B. None
Failure of migration of neural crest cells is seen in:: (A) Albinism, (B) Congenital megacolon, (C) Odontomes, (D) Adrenal tumour
Answer is B. Ans: b (Congenital megacolon)Ref: Bailey & Love, 24th ed, p.l 153 & 23rd ed, p. 1027
The signs of malignant transformation in osteochondroma are all except: (A) Pain, (B) Weight loss, (C) Increase in size, (D) Increase in thickness of cailage cap
Answer is B. Ans. b. Weight loss
The number 12 in a 3 unit formula 12-6-8 indicates the blade is: (A) 12 mm in length, (B) 1.2 mm in length, (C) 12 mm in width, (D) 1.2 mm in width
Answer is D. None
Prophylaxis for health personnel working in a plague ward is -a) Vaccineb) Tetracycline throughout the dutyc) A cource of tetracyclined) Vaccine and Erythromycine) Observation: (A) ac, (B) a, (C) ab, (D) bc
Answer is C. None
Drugs known to cause Steven Johnson syndrome include the following except:: (A) Cephalosporins, (B) Ibuprofen, (C) Carbamazepine, (D) Paracetamol
Answer is D. Drugs that most commonly cause SJS/TEN Antibiotics Antifungals Antivirals Sulfonamides, e.g., cotrimoxizole; beta-lactams i.e. penicillins, cephalosporins Imidazole antifungals Nevirapine (non-nucleoside reverse-transcriptase inhibitor) Allopurinol Nonsteroidal anti-inflammatory drugs (NSAID) (oxicam type ...
Best prognosis in nerve injury: (A) Neuropraxia, (B) Axonotemesis, (C) Neurotemesis, (D) Complete transaction
Answer is A. Neurapraxia is a disorder of the peripheral nervous system in which there is a temporary loss of motor and sensory function due to blockage of nerve conduction, usually lasting an average of six to eight weeks before full recovery.Ref: Ganong&;s review of medical physiology 23rd edition
Bedside test for mental status-: (A) MMSE, (B) GCS, (C) MMPI, (D) WAIS
Answer is A. Ans. is 'a' i.e., MMSE o The most w idely used test for bedside evaluation of the mental status is folstein's mini mental state examination (MMSE).
A 70-year-old man comes to casualty with urinary retention and back pain. Which investigation should be performed -: (A) Serum acid phosphatase, (B) Serum Calcium, (C) Serum alkaline phosphatase, (D) Serum electrophoresis
Answer is A. pt. is suspected to have Ca Prostate as Prostatic Ca is the most common malignant tumor in men over 65 yrs. of age. Symptoms of Bladder outlet obstruction and back pains (due to bony metastasis in the pelvis & lumbar veebra) indicate towards prostate Ca. Serum acid phosphates is a tumor marker of prostate ...
Contraindications of circlage operation are all except:: (A) Leaking membranes, (B) Features of amnionitis, (C) History of vaginal bleeding, (D) Pregnancy beyond 14 weeks
Answer is D. None
Elaboration of inactivating enzymes are the impoant mechanism of drug resistance among all of these antibiotics except: (A) Quinolone, (B) Pencillin, (C) Chloramphenicol, (D) Aminoglycoside
Answer is A. Refer KDT 6/e p688 Resistance to fluoroquinolone is mediated by mutation in DNA gyrase
A patient presents with unconjugated hyperbilirubinemia and presence of urobilinogen in urine. Which amongst the following is the least likely diagnosis -: (A) Hemolytic jaundice, (B) Crigler Najjar syndrome, (C) Gilbert's syndrome, (D) Dubin Johnson syndrome
Answer is D. None
Which among the following is TRUE about confounding factor?: (A) It is found equally between study and the control groups, (B) It is itself a risk factor for the disease, (C) Confounding can be eliminated by selecting a small group, (D) It is associated with either the exposure or the disease
Answer is B. A confounding factor is defined as one which is associated both with exposure and disease, and is distributed unequally in study and control groups. More specifically a confounding factor is one that, although associated with exposure under investigation, is itself, independently of any such association, a...
Investigation of choice for esophageal rupture is: (A) Dynamic MRI, (B) Rigid esophagoscopy, (C) Barium contrast swallow, (D) Water soluble low molecular weight contrast swallow
Answer is D. Gastrografin (water soluble) is preferred to prevent extravasation of barium into the mediastinum or pleura. If no leak is seen, a barium study should follow
Dobutamine differs from dopamine in that: (A) It has good blood-brain barrier penetrability, (B) It causes pronounced tachycardia, (C) It does not activate adrenergic b receptors, (D) It does not activate peripheral dopaminergic receptors
Answer is D. Dopamine (DA):- It is a dopaminergic (D1 and D2) as well as adrenergic a and b1 (but not b2) agonist. Dobutamine:- A derivative of DA, but not a D1 or D2 receptor agonist. Though it acts on both a and b adrenergic receptors. Ref:- kd tripathi; pg num:-134
Garlicky odour in the gastric contents seen in which non metallic poisoning: (A) Sulphur, (B) Phosphorus, (C) Iodine, (D) Chlorine
Answer is B. Postmoem appearance Esophagus and stomach shows inflammatory changes and luminous material may be seen in the GIT. There may be garlicky odour in the gastric contents. There may be jaundice, and fatty change in the liver. Liver shows centrilobular steatosis and neurosis. If the person survived for one week...
Abnormal function of epithelial chloride channel protein is the cause of: (A) Ehlers Danlos syndrome, (B) Marfan syndrome, (C) Cystic fibrosis, (D) Diabetes insipidus
Answer is C. None
The capsule of cryptococcus neoformans in a CSF sample is best seen by -: (A) Gram stain, (B) India ink preparation, (C) Giemsa stain, (D) Methenamine-silver stain
Answer is B. Cryptococcus is the capsulated yeast. Among the given staining techniques, India ink preparation is the best staining technique used for demonstration of capsule (negative staining) - sensitivity of the technique: 60–75%. Other capsular staining techniques are: 10% Nigrosin staining Modified India ink pr...
which is not a radiographic finding of CHF: (A) Kerley B lines, (B) Kerley A lines, (C) Cardiomegaly, (D) Oligemia
Answer is D. ref : harrisons 21st ed
Alternating RBBB with Left anterior hemiblock is seen in: (A) 1' degree hea block, (B) Complete hea block, (C) Mobitz type II block, (D) Bi-fascicular block
Answer is D. Ans. is 'd' i.e., Bi-fascicular block Bifascicular block - combination of RBBB with either left anterior hemiblock or left posterior hemiblock. Tri fascicular block - RBBB plus either LAHB/LPHB+ first degree AV block. Complete hea block destruction of - AV node leading to AV dissociation
Which of the following is false about cholangiocarcinoma: (A) Investigation of choices MRCP, (B) Staging is done by PET CT, (C) Diagnosis is done by CECT, (D) Choledochal cyst is a risk factor.
Answer is B. Diagnosis is made by MRCP
All of the following heart sounds occur shortly after S2 except: (A) Opening snap, (B) Pericardial knock, (C) Ejection click, (D) Tumor plop
Answer is C. None