Pg Blazer - Online Test Series 6 - Pharmacology
MCQ's in Pharmacology - 10 questions to be answered in 6 minutes
- 1.
All of the following are non selective beta blockers with additional actions except?
- A.
Carvedilol
- B.
Betaxolol
- C.
Cartelol
- D.
Labetalol
Correct Answer
B. BetaxololExplanation
Betaxolol, It is a selective beta blocker with additional actionsRate this question:
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- 2.
All of the following may be associated with beta 2 agonist treatment except?
- A.
Hyperkalemia
- B.
Hyperglycemia
- C.
Detrusor relaxation
- D.
Relaxation of gut and bronchial muscles
Correct Answer
A. HyperkalemiaExplanation
Hyperkalemia, beta 2 agnoists increase K+ uptake into muscles and hence cause hypokalemia.Rate this question:
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- 3.
True statement about clonidine are all except,
- A.
Increases parasympathetic outflow
- B.
Decreases sympathetic outflow by blocking central alpha receptor
- C.
Used in Hypertension
- D.
Prazosin is used to antagonize side effects of clonidine
Correct Answer
D. Prazosin is used to antagonize side effects of clonidineExplanation
Clonidine is an alpha 2 agonist and also increases vagal tone. Prazosin is a selective alpha 1 antagonist. Hence it cannot be used to antagonize the side effects of clonidine.Rate this question:
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- 4.
Finasteride is a:
- A.
5 alpha reductase inhibitor
- B.
PDE inhibitor
- C.
Alpha la blocker
- D.
Androgen receptor blocker
Correct Answer
A. 5 alpHa reductase inhibitorExplanation
Finasteride is a synthetic antiandrogen that inhibits type II 5-alpha reductase, the enzyme that converts testosterone to dihydrotestosterone (DHT).Rate this question:
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- 5.
Which of the following is not an alkylating agent?
- A.
Cyclophosphamide
- B.
5-FU
- C.
Busulfan
- D.
Chlorambucil
Correct Answer
B. 5-FUExplanation
5-FU (It is an antimetabolite)Rate this question:
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- 6.
Which of the following is a prodrug
- A.
Ticlopidine
- B.
Aspirin
- C.
Clonidine
- D.
Dipyridamole
Correct Answer
A. TiclopidineExplanation
Ticlopidine is a prodrug that requires conversion to active thiol metabolites in the liver.Rate this question:
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- 7.
All of the following are Gp IIb/Illa antagonist except?
- A.
Abciximab
- B.
Clopidogrel
- C.
Tirofiban
- D.
Epitifibatide
Correct Answer
B. ClopidogrelExplanation
Clopidogrel acts by irreversibly inhibiting a receptor called P2Y12, an adenosine diphosphate (ADP) chemoreceptor.Rate this question:
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- 8.
Orange coloured urine is due to:
- A.
Rifampicin
- B.
INH
- C.
Pyrazinamide
- D.
Ethambutol
Correct Answer
A. RifampicinExplanation
Dark yellow or orange urine can be caused by recent use of laxatives or consumption of B complex vitamins or carotene. Orange urine is often caused by phenazopyridine (used in the treatment of urinary tract infections), rifampin, and warfarin.Rate this question:
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- 9.
The drug having maximum propensity to cause peripheral neuropathy?
- A.
Didanosine
- B.
Zidovudine
- C.
Stavudine
- D.
Lamivudine
Correct Answer
C. StavudineExplanation
The main severe adverse effect of stavudine is peripheral neuropathy, which can be corrected by reducing dosage.Rate this question:
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- 10.
Nesiritide is a:
- A.
Brain natriuretic peptide analogue
- B.
Endothelin R antagonist
- C.
Gp Ilb IIIa antagonist
- D.
TNF alpha antagonist
Correct Answer
A. Brain natriuretic peptide analogueExplanation
Nesiritide is a BNP analogue used to treat acutely decompensated congestive heart failure.Rate this question:
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Current Version
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Mar 21, 2023Quiz Edited by
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Jun 07, 2011Quiz Created by
Pgblazer
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