Pg Blazer - Online Test Series 6 - Pharmacology

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  • 1/10 Questions

      Orange coloured urine is due to:

    • Rifampicin
    • INH
    • Pyrazinamide
    • Ethambutol
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About This Quiz

MCQ's in Pharmacology - 10 questions to be answered in 6 minutes

Pharmacology Quizzes & Trivia

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  • 2. 

      Finasteride is a:

    • 5 alpha reductase inhibitor

    • PDE inhibitor

    • Alpha la blocker

    • Androgen receptor blocker

    Correct Answer
    A. 5 alpha reductase inhibitor
    Explanation
    Finasteride is a synthetic antiandrogen that inhibits type II 5-alpha reductase, the enzyme that converts testosterone to dihydrotestosterone (DHT).

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  • 3. 

      Nesiritide is a:

    • Brain natriuretic peptide analogue

    • Endothelin R antagonist

    • Gp Ilb IIIa antagonist

    • TNF alpha antagonist

    Correct Answer
    A. Brain natriuretic peptide analogue
    Explanation
    Nesiritide is a BNP analogue used to treat acutely decompensated congestive heart failure.

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  • 4. 

      Which of the following is not an alkylating agent?

    • Cyclophosphamide

    • 5-FU

    • Busulfan

    • Chlorambucil

    Correct Answer
    A. 5-FU
    Explanation
    5-FU (It is an antimetabolite)

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  • 5. 

      All of the following are Gp IIb/Illa antagonist except?

    • Abciximab

    • Clopidogrel

    • Tirofiban

    • Epitifibatide

    Correct Answer
    A. Clopidogrel
    Explanation
    Clopidogrel acts by irreversibly inhibiting a receptor called P2Y12, an adenosine diphosphate (ADP) chemoreceptor.

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  • 6. 

      All of the following may be associated with beta 2 agonist treatment except?

    • Hyperkalemia

    • Hyperglycemia

    • Detrusor relaxation

    • Relaxation of gut and bronchial muscles

    Correct Answer
    A. Hyperkalemia
    Explanation
    Hyperkalemia, beta 2 agnoists increase K+ uptake into muscles and hence cause hypokalemia.

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  • 7. 

      All of the following are non selective beta blockers with additional actions except?

    • Carvedilol

    • Betaxolol

    • Cartelol

    • Labetalol

    Correct Answer
    A. Betaxolol
    Explanation
    Betaxolol, It is a selective beta blocker with additional actions

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  • 8. 

      True statement about clonidine are all except,

    • Increases parasympathetic outflow

    • Decreases sympathetic outflow by blocking central alpha receptor

    • Used in Hypertension

    • Prazosin is used to antagonize side effects of clonidine

    Correct Answer
    A. Prazosin is used to antagonize side effects of clonidine
    Explanation
    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.

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  • 9. 

      The drug having maximum propensity to cause peripheral neuropathy?

    • Didanosine

    • Zidovudine

    • Stavudine

    • Lamivudine

    Correct Answer
    A. Stavudine
    Explanation
    The main severe adverse effect of stavudine is peripheral neuropathy, which can be corrected by reducing dosage.

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  • 10. 

      Which of the following is a prodrug

    • Ticlopidine

    • Aspirin

    • Clonidine

    • Dipyridamole

    Correct Answer
    A. Ticlopidine
    Explanation
    Ticlopidine is a prodrug that requires conversion to active thiol metabolites in the liver.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jun 07, 2011
    Quiz Created by
    Pgblazer
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