medical MCQs – Page 465

Practise multiple-choice questions from medical for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

9281. Which of the following is true about parasympathetic nervous system ?
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A. Ach is transmitter at both pre & post synaptic junction

B. It causes dilatation of skeletal muscles

C. Post ganglionic fibres are longer than pre ganglionic fibres

D. Noradrenalin is the neurotransmitter at post ganglionic junction

9282. When allergic manifestations occur pursuant to use of antimicrobial agents, what of the following is seen____________?
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A. Skin eruptions

B. Angioneurotic edema

C. Sialorrhea

D. Serum imbalance

E. Both A & B
9283. Which one of the following drugs is not a reversible anticholinesterase drug ?
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A. Carbaryl

B. Demecarium

C. Edrophonium

D. Tacrine

9284. Pilocarpine_______________?
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A. Inhibits sweat and lacrimation

B. Cleaved by acetylcholinesterase

C. Causes tachycardia

D. Lowers the intraocular pressure in glaucoma
9285. Therapeutic uses of a adrenoceptor blockers include all of the following EXCEPT______________?
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A. Amxiety

B. Peripheral Vascular disease

C. Hypertension

D. Benign Prostatic hypertrophy

9286. AIDS is a disease if the immune system primarily affecting_____________?
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A. Immunoglobulins

B. T lymphocytes

C. Opsonins

D. Granulocytes

9287. A child with permanently stained teeth reports, He was most probably administered_____________?
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A. Digoxin

B. Disphenyl hydantoin

C. Doxycycline

D. Diphenhydramine

9288. Which of the following is the main difference between penicillin V and penicillin G____________?
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A. Penicilline-V is more stable gastric acid

B. Penicilline-G is more absorbed from the G.I.T

C. None of the above

D. Penicilline-G is more allergic than penicillin-V

9289. Each of the following statement is correct about metronidazole EXCEPT that it_______________?
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A. An effective alternative for infection caused by aerobic gram positive cocci

B. is a broad spectrum antiprotozoal drug

C. May cause peripheral neuropathy on prolonged use

D. Active against bacteroides and clostridium

9290. A patient taking which of the following drug should not eat cheese, etc_____________?
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A. Amoxycillin

B. Triamterene

C. Tetracycline

D. Doxycycline

9291. Which of the following is a peripherally acting muscle relaxant______________?
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A. Cortisopradol

B. Chlorozoxazone

C. Succinyl choline

D. Methocarbomol

9292. Which one of the following does NOT act by increasing insulin secretion______________?
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A. Glyburide

B. Biguanide

C. Tolbutamide

D. Repaglinide

9293. Which one of the following antibacterials should not be used with d-tubocuraine ?
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A. Norfloxacin

B. Streptomycin

C. Doxycycline

D. Cefotaxime

9294. The most common side effect of the oral administration of ampicillin is_______________?
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A. Anaphylactic shock

B. Renal failure

C. Diarrhoea

D. Oral candidiasis

9295. Tetracycline is contraindicated in_____________?
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A. Pregnancy

B. All of the above

C. Children

D. Renal failure

9296. Drug of choice to treat fungal infection in AIDS is_____________?
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A. Ketoconazole

B. Aerosolized pentamidine

C. Didanasine

D. Acyclovir

9297. All of the following antibacterial agents acts by inhibiting cell wall systhesis except________________?
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A. Nitrofurantoins

B. Cephamycins

C. Monobactams

D. Carbapenems

9298. All are macrolide antibiotics EXCEPT______________?
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A. Calithromycin

B. Erythromycin

C. Roxithromycin

D. Neomycin
9299. IF a bacteria were susceptible to both penicillin and Erythromycin, then it would not be appropriate to treat the patients with both antibiotics at the same time because_______________?
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A. Erythromycin exerts its effects extracellularly

B. Penicillin is only effective against growing cells

C. Erythromycin enhances the B-lactamases activity

D. Penicillin is inactivated by erythromycin

9300. Best treatment of candidiasis of_____________?
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A. None of the above

B. Amphoterin

C. Mycostatin

D. Antibiotics