Pharmacology Quiz: Do You Really Know About Drugs?

37 Questions

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Pharmacology Quizzes & Trivia

Being that you are just one step closer to being a certified pharmacologist, it is quite important to ensure that you have adequate knowledge on all the drugs you might come across in practice, how you use and prescribe them. Do you know about drugs? Take up thus quick pharmacology quiz and get to find out. All the best!


Questions and Answers
  • 1. 
    Tamsulosin is selective for which adrenergic receptor?
    • A. 

      A1a

    • B. 

      A1b

    • C. 

      A2a

    • D. 

      A10

  • 2. 
    A2 receptors when stimulated turn on NE release
    • A. 

      True

    • B. 

      False

  • 3. 
    Adrenergic Recptors are:
    • A. 

      Ion-channel

    • B. 

      G-protein coupled receptors

    • C. 

      Ligand regulated

    • D. 

      Carboxylated

  • 4. 
    When A2 receptors are stimulated, they interact with Gi, which turns off cAMP and leads to more protein phosphorylation
    • A. 

      True

    • B. 

      False

  • 5. 
    Isoproterenol is selective for what receptors?
    • A. 

      A1

    • B. 

      A2

    • C. 

      B1

    • D. 

      B2

  • 6. 
    Phenylephrine is selective for what receptors?
    • A. 

      A1

    • B. 

      A2

    • C. 

      B1

    • D. 

      B2

  • 7. 
    Norepinephrine is selective for what receptors?
    • A. 

      A1

    • B. 

      A2

    • C. 

      B1

    • D. 

      B2

  • 8. 
    At a low to medium therapeutic dose, sympathomimetic drugs are selective for their receptors, but at high or toxic doses they can stimulate other receptors
    • A. 

      True

    • B. 

      False

  • 9. 
    Giving phenylephrine would have what effect?
    • A. 

      Increased HR

    • B. 

      Decreased HR

    • C. 

      Increased BP

    • D. 

      Decreased BP

  • 10. 
    50% of the norepinephrine released into the neuroeffector junction is removed by what method?
    • A. 

      Cleaved by esterases

    • B. 

      Attaches to adrenergic receptors

    • C. 

      Taken out of junction by a neuronal uptake pump

    • D. 

      Diffusion

  • 11. 
    How does amphetamine affect neuroepinephrine in the neuroeffector junction?
    • A. 

      Blocks synthesis in the vesicle

    • B. 

      Displaces from the vesicle

    • C. 

      Causes the neuronal uptake pump to run backwards, pumping NE into the junction

    • D. 

      Causes a lower binding affinity to the receptors

    • E. 

      Inhibits dopamine from entering in the vesicle

  • 12. 
    Which is NOT a source of tyramine?
    • A. 

      BEER.

    • B. 

      WINE

    • C. 

      Acidic fruits

    • D. 

      Cheese

  • 13. 
    Which are drugs that release norepinephrine?
    • A. 

      Amphetamine

    • B. 

      Phentermine

    • C. 

      MAOIs

    • D. 

      Methylphenidate

    • E. 

      Vicodin ES

    • F. 

      Alprazolam

  • 14. 
    Cocaine & Imipramine block the removal of norepinephrine out of the neuroeffector junction.
    • A. 

      True

    • B. 

      False

  • 15. 
    Pseudoephedrine is a direct acting adrenergic agonist because it releases norepinephrine from the storage vesicles and activates the receptors in the neuroeffector junction.
    • A. 

      True

    • B. 

      False

  • 16. 
    Cardiogenic shock is primarily related to low blood pressure.
    • A. 

      True

    • B. 

      False

  • 17. 
    How is visine used to treat ocular congestion?
    • A. 

      Increases capillary permeability & dilates blood vessels

    • B. 

      Increases capillary permeability & contracts blood vessels

    • C. 

      Decreases capillary permeability & dilates blood vessels

    • D. 

      Decreases capillary permeability & contracts blood vessels

  • 18. 
    How is phentermine used in appetite suppression?
    • A. 

      It decreases the stimulation of dopamine receptors in the brain

    • B. 

      It stimulates dopamine receptors in the brain

    • C. 

      Releases NE in the CNS which releases dopamine

    • D. 

      Turns on signal to body to increase food because the body senses it is losing weight.

  • 19. 
    Whis is NOT an adverse effect of adrenergic agonists?
    • A. 

      Hypertension

    • B. 

      Worsening of open angle glaucoma

    • C. 

      Urinary retention

    • D. 

      Anxiety

  • 20. 
    Labetalol & carvedilol are selective antagonists for which receptors?
    • A. 

      A1

    • B. 

      A2

    • C. 

      B1

    • D. 

      B2

  • 21. 
    Atenolol, Metoprolol, Acebutalol & Esmolol are considered "3rd generation" adrenergic antagonists.
    • A. 

      True

    • B. 

      False

  • 22. 
    After giving an alpha blocking drug, what would be the effect of a dose of epinephrine?
    • A. 

      Increase in BP

    • B. 

      Decrease in BP

    • C. 

      Increase in HR

    • D. 

      Decrease in HR

  • 23. 
    In treating benign prostatic hyperplasia, the desired result of alpha-blocking treatment is:
    • A. 

      Increased urine outflow

    • B. 

      Increased urinary retention

    • C. 

      Decreased urine outflow

    • D. 

      Contraction of smooth muscle of the prostate

  • 24. 
    Raynauds:
    • A. 

      Presents in the extremities - with white digits that show when exposed to cold temperature

    • B. 

      Is cauased by excessive vasoconstriction in combination with plaques in arterioles

    • C. 

      Is treated by alpha blocking drugs

    • D. 

      Treatment includes prazosin or phenoxybenzamine

  • 25. 
    Phentolamine is injected in the corpus cavernosum of the penis to treat impotence.
    • A. 

      True

    • B. 

      False

  • 26. 
    Yohimbe blocks A1 receptors as a neutraceutical treatment of ED in males
    • A. 

      True

    • B. 

      False

  • 27. 
    Beta receptor antagonists affects in the system include:
    • A. 

      Increased force of heart contractility

    • B. 

      Increased renin secretion of the kidney

    • C. 

      Bronchodilation

    • D. 

      Decreased glycogenolysis and gluconeogenesis

  • 28. 
    Beta blockers should be used in acute heart failure.
    • A. 

      True

    • B. 

      False

  • 29. 
    If a patient carries a large box up the stairs and experiences angina, it means that his oxygen demand is greater than the oxygen supply (due to coronary artery disease, atherosclerosis, etc). It would be reasonable that this patient starts taking a beta blocker to treat his acute angina symptoms.
    • A. 

      True

    • B. 

      False

  • 30. 
    Timolol treats glaucoma by reducing the formation of aqueous humor and thereby lowering the IOP
    • A. 

      True

    • B. 

      False

  • 31. 
    Beta blockers can be used to treat:
    • A. 

      Tension headache

    • B. 

      Performance anxiety

    • C. 

      Acute heart failure

    • D. 

      Hypotension

  • 32. 
    Which is not an adverse effect of beta blockers?
    • A. 

      Wheezing

    • B. 

      CNS effects

    • C. 

      Rebound angina

    • D. 

      Tachycardia

  • 33. 
    Which drug has the highest oral bioavailability?
    • A. 

      Pindolol

    • B. 

      Nadolol

    • C. 

      Atenolol

    • D. 

      Metoprolol

  • 34. 
    Clonidine is a adrenergic neuron blocking drug.
    • A. 

      True

    • B. 

      False

  • 35. 
    Metyrosine:
    • A. 

      Blocks the conversion of tyrosine to dopa

    • B. 

      Is used to treat pheochromocytoma (only real treatment is tumor removal)

    • C. 

      Inhibits tyrosine esterase

    • D. 

      Can enter into the brain & cause CNS effects

    • E. 

      Inhibits the rate-limiting step of norepinephrine production

  • 36. 
    Reserpine affects NE uptake:
    • A. 

      By blocking the neuronal reputake pump

    • B. 

      By blocking the transport of norepinephrine & dopamine into the storage vesicle

    • C. 

      By releasing NE from the storage vesicle

    • D. 

      By pumping NE opposite of the neuronal reuptake pump to go out of the cell