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Last minute quick revision mock test series for NEET PG @ Rs.980/-

MOCK TEST 2

random mcqs questions

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Which one of the following penicillin group drug is penicillinase resi...

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Correct answer :- *** Hidden ***

Explanation :-

ain that protect beta lactam ring from the attack of staphylococcal penicillinase. It is also acid resistant. It is more active than methicillin against penicillinase producing sta

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2013-11-16 10:40:15
one following penicillin group drug penicillinase resistant Amoxicillinb Cloxacillin Penicillin PiperacillinCloxacillin ispenicillinase resistant penicillin has isoxazole side chain that protect beta lactam ring fromattackstaphylococcal penicillinase Italso acid resistant Itmore active than methicillin against penicillinase producing staphylococci but not against MRSA Cloxacillinincompletely absorbed from oral route 90% plasma protein bound Itmetabolized byliver andeliminated primarily bykidneyReference:EssentialsMedical Pharmacology 5th Edition Pages 659-661
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Topic :- MOCK TEST 2


following group antibiotics possess additional anti inflammatory and immunomodulatory activities Tacrolimus Polypeptide antibioticsc Fluoroquinolonesd MacrolidesTacrolimus macrolide antibiotic acts inhibiting cytokine production possess anti-inflammatory and immunomodulatory activities Mechanism: Tacrolimus binds FKBP and forms complex This then binds calcineurin and inhibits calcineurin phosphates activity Because this cannot dephosphorylate NFATc and prevents its migration into nucleus and activation cytokines Reference:Immunopharmacology Manzoor Khan Pages 91-3.......


Subject :-random

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All following drugs classifed hallucinogens except: LSDb Mescalinec Phenhylcyclidined MethylphenidateMethylphenidate psychostimulant similar amphetamine not hallucinogen acts primarily releasing noradrenaline and dopamine brain used treatment attention-deficit hyperactivity disorder considered superior amphetamine for hyperkinetic children because causes lesser tachycardia growth retardation Side effects anorexia insomnia abdominal discomfort bowel upset Reference:Essentials Medical Pharmacology 5th Edition Pages 403 436.......


Which the following drug used the treatment antipyschotic drug-induced Parkins

Subject :-random

Topic :- MOCK TEST 2


following drug used treatment antipyschotic drug-induced Parkinsonism Anticholinergics Amantadinec Levodopad SelegilineAntipsychotic drug induced parkinsonism treated with central anticholinergic drugs They act reducing unbalanced cholinergic activity striatum parkinsonian patients These only drugs effective treatment drug induced Parkinsonism Most commonly used anticholinergic drug Trihexyphenidyl Patients with drug induced parkinsonism presents with rigidity tremor hypokinesia mask like facies and shuffling gait Symptoms usually appear between 1-4 weeks therapy and persist unless dose reduced form extrapyramidal side effect called perioral tremors ‘rabbit syndrome’ generally occurs after several therapy Reference:Essentials Medical Pharmacology 5th Edition Pages 397-8.......


patient, corneal scraping reveals narrow angled septate hyphae. Which the followin

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Topic :- MOCK TEST 2


patient corneal scraping reveals narrow angled septate hyphae following likely etiologic agent Mucorb Candidac Aspergillus HistoplasmaAspergillus mould with narrow angled septate hyphae Asexual conidia arranged chain carried elongated cells called sterigmata borne expanded ends conidiophores Aspergillus fumigatus common cause aspergillosis Histoplasma dimorphic fungi Mucor broad nonseptate hyphae present tissues Candida characterized presence pseudohyphae Reference:Essentials Clinical Mycology Carol Kaufmann 2nd Edition Pages 248-53.......


All the following diseases are caused Epstein Barr virus except:a. Measles Hodgki

Subject :-random

Topic :- MOCK TEST 2


All following diseases caused Epstein Barr virus except:a Measles Hodgkins lymphomac Infectious mononucleosisd Nasopharyngeal carcinomaEpstein-Barr virus causes heterophile-positive infectious mononucleosis nasopharyngeal carcinoma Burkitt's lymphoma Hodgkin's disease and cell lymphoma (in patients with immunodeficiencies) Reference:Harrison’s Principles Internal Medicine 18th Edition Chapter 181.......


CMV retinitis HIV occurs when the CD4 counts fall below which the following levels?a

Subject :-random

Topic :- MOCK TEST 2


CMV retinitis HIV occurs CD4 counts fall below following levels 100c 200d 150CMV Retinitis most common cause loss vision AIDS patients Majority cases CMV retinitis occur patients with CD4+ cell count 50/micro Therefore patients high risk CMV retinitis (CD4+ cell count 100/micro should undergo ophthalmologic examination every 3–6 months CMV retinitis usually presents painless progressive loss vision Patients may also complain blurred vision floaters and scintillations usually bilateral characteristic retinal appearance presence perivascular hemorrhage and exudate Treatment consists oral valacyclovir ganciclovir ganciclovir foscarnet with cidofovir alternative Reference:1 Textbook Microbiology Ananthanarayan and Panicker 8th Edition Page 5732 Harrison’s Principles Internal Medicine 18th Edition Chapter 189.......


Regarding HIV which the following statement not true?a. DNA retrovirus

Subject :-random

Topic :- MOCK TEST 2


Regarding HIV following statement not true DNA retrovirus Contains Reverse Transcriptasec May infect host CD4 cells other than T-lymphocytesd Causes reduction host CD4 cells late stage diseaseThe genome HIV diploid composed identical single stranded positive sense RNA copies association with viral RNA reverse transcriptase enzyme characteristic feature retroviruses Pathogenesis: virus infects cell RNA viral RNA transcribed enzyme first single stranded DNA and then double stranded DNA integrated into host cell chromosome provirus initiate viral replication directing synthesis viral RNA and other components naked virus buds outs through host cell surface membrane acquires lipoprotein envelope consist lipid derived from host cell membrane and glycoprotein virus coded spikes constitute major surface component virus binds CD4 receptors susceptible host cells transmembrane pedicle cause cell fusion Reference:Ananthanarayan and Panicker’s Textbook Microbiology 8th Edition Page 395.......


The genome HIV virus contains which the following?a. Single stranded DNAb. Single

Subject :-random

Topic :- MOCK TEST 2


The genome HIV virus contains following Single stranded DNAb Single stranded RNA Double stranded DNAd Double stranded RNAHIV enveloped icosahedral sphere has identical non complementary strands RNA and enzymes (reverse transcriptase integrase and protease) packed cone shaped protein core This core surrounded protein coat called capsid This capsid along with enclosed nucleic acid called nucleocapsid Capsid acts protective shell around nucleic acid core and helps introduce viral genome into host cell adsorbing readily host cell surfaces Most RNA viruses single stranded except reoviridae double stranded Most DNA virus double stranded except poxviridae single stranded Reference:HIV and AIDS: Basic Elements and Priorities Karthikeyan Pages 41-3.......


Heat stable enterotoxin causing food poisoning caused all the following except:a.

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Topic :- MOCK TEST 2


Heat stable enterotoxin causing food poisoning caused all following except:a Bacillus cereusb Staphylococcusc Yersinia enterocoliticad Clostridium perfringensClostridium perfringens produces distinct toxins including several enterotoxins Food poisoning caused enterotoxin heat labile The major toxins produced alpha beta epsilon and iota Alpha toxin phospholipase associated with gas gangrene hemolytic hot-cold variety toxin produced all perfringens but most abundantly Type shows Nagler reaction zone opacity formed there antitoxin Lecithinase also produced novyi bifermentans some vibrios initiates muscle infection that may progress gas gangrene Beta and iota toxin also have lethal and necrotizing properties Theta toxin hemolysis antigenically related streptolysin also known Perfringolysin also produces neuraminidase histamine bursting factor etc Reference:Textbook Microbiology Ananthanarayan and Panicker 8th Edition Page 395.......


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