Block 9 Pharm Antiadrenegic W Exp Prt 1

15 Questions | Total Attempts: 332

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Nervous System Quizzes & Trivia

Questions and Answers
  • 1. 
    This drug is a partial agonist at beta-1 and beta-2 receptors
    • A. 

      Atenolol

    • B. 

      Esmolol

    • C. 

      Metyrosine

    • D. 

      Phenoxybenzamine

    • E. 

      Pindolol

    • F. 

      Propranolol

    • G. 

      Sotalol

    • H. 

      Tamsulosin

    • I. 

      Timolol

  • 2. 
    This drug is a selective beta-1 antagonist frequently for the chronic treatment of atrial fibrillation
    • A. 

      Atenolol

    • B. 

      Esmolol

    • C. 

      Metyrosine

    • D. 

      Phenoxybenzamine

    • E. 

      Pindolol

    • F. 

      Propranolol

    • G. 

      Sotalol

    • H. 

      Tamsulosin

    • I. 

      Timolol

  • 3. 
    This drug is a beta-blockers that can also blocks potassium channels
    • A. 

      Atenolol

    • B. 

      Esmolol

    • C. 

      Metyrosine

    • D. 

      Phenoxybenzamine

    • E. 

      Pindolol

    • F. 

      Propranolol

    • G. 

      Sotalol

    • H. 

      Tamsulosin

    • I. 

      Timolol

  • 4. 
    This drugs is frequently used in case of prostatic hyperplasia
    • A. 

      Atenolol

    • B. 

      Esmolol

    • C. 

      Metyrosine

    • D. 

      Phenoxybenzamine

    • E. 

      Pindolol

    • F. 

      Propranolol

    • G. 

      Sotalol

    • H. 

      Tamsulosin

    • I. 

      Timolol

  • 5. 
    This drug is sometimes used in cardiovascular emergencies by IV infusion because of its extremely short half life
    • A. 

      Atenolol

    • B. 

      Esmolol

    • C. 

      Metyrosine

    • D. 

      Phenoxybenzamine

    • E. 

      Pindolol

    • F. 

      Propranolol

    • G. 

      Sotalol

    • H. 

      Tamsulosin

    • I. 

      Timolol

  • 6. 
    Which of the following is a pharmacological effects of alpha-1 receptor antagonists?
    • A. 

      Reversal of norepinephrine-induced hypertension

    • B. 

      Reversal of epinephrine-induced hypertension

    • C. 

      Decreased skin blood flow

    • D. 

      Decreased heart rate

    • E. 

      Contraction of trigone and bladder internal sphincter

    • F. 

      Contraction of the radial muscle of iris.

  • 7. 
    Which of the following is the most likely adverse effect of chronic treatment with selective alpha-1 blockers?
    • A. 

      Hypertension

    • B. 

      Bradycardia

    • C. 

      Digital vasospasm

    • D. 

      Sodium and water retention

    • E. 

      Urinary retention

  • 8. 
    In an experimental animal model, acute prazosin pretreatment will most effectively counteract which of the following drug-induced effects?
    • A. 

      Isoproterenol-induced tachycardia

    • B. 

      Nicotine-induced sweating

    • C. 

      Dopamine-induced increase in renal blood flow

    • D. 

      Phenylephrine-induced hypertension

    • E. 

      Pilocarpine-induced contraction of ciliary muscle

  • 9. 
    Prazosin is contraindicated, or should be used with caution, in which of the following diseases?
    • A. 

      Systemic mastocytosis

    • B. 

      Prostate cancer

    • C. 

      Chronic hypertension

    • D. 

      Chronic heart failure

    • E. 

      Raynaud’s disease

  • 10. 
    An IV injection of norepinephrine was given to a laboratory animal before and after the administration of a new drug X, and the mean blood pressure recorded. The results are depicted in the following figure. Which of the following drugs does the new agent most closely resemble?
    • A. 

      Albuterol

    • B. 

      Cocaine

    • C. 

      Labetalol

    • D. 

      Phenylephrine

    • E. 

      Propranolol

    • F. 

      Dopamine

  • 11. 
    Which of the following is a metabolic effect of non-selective beta blockers?
    • A. 

      Enhancement of insulin-induced hypoglycemia

    • B. 

      Increased lipolysis

    • C. 

      Increased renin release

    • D. 

      Increased hepatic glycogenolysis

    • E. 

      Increased HDL

  • 12. 
    In an experimental animal model, an acute propranolol pretreatment will most effectively counteract which of the following drug-induced effects?
    • A. 

      Isoproterenol-induced hyperglycemia

    • B. 

      Nicotine-induced decrease in skin blood flow

    • C. 

      Norepinephrine-induced reflex bradycardia

    • D. 

      Phenylephrine-induced mydriasis

    • E. 

      Pilocarpine-induced contraction of bronchial muscle

  • 13. 
    Which of the following pairs of autonomic drugs is a correct receptor agonistantagonist match?
    • A. 

      Isoproterenol - prazosin

    • B. 

      Epinephrine - labetalol

    • C. 

      Phenylephrine - atropine

    • D. 

      Albuterol - Atenolol

    • E. 

      Nicotine - dopamine

    • F. 

      Norepinephrine - clonidine

  • 14. 
    A 75-year-old man, suffering from congestive heart failure, has been recently diagnosed with benign prostatic hyperplasia. Since surgical ablation of the prostate was contraindicated, a drug suitable for the treatment of patient’s impaired bladder emptying was prescribed. Which of the following statements best explains the molecular mechanism of action of that drug?
    • A. 

      Blockade of beta-2 receptors

    • B. 

      Activation of beta-2 receptors

    • C. 

      Activation of alpha-2 receptors

    • D. 

      Blockade of alpha-1 receptors

    • E. 

      Activation of M3 receptors

  • 15. 
    A 27-year-old woman presented to the outpatient clinic with a 5-day history of left hand and arm pain. She noted that the fingers of her left hand became cold and somewhat blue especially when exposed to cold. Physical examination showed that patient’s extremities did have appropriate sensation. The hands were placed in cold water and it was noticed that several white splotches appeared and tingling was felt in the hands. Which of the following drugs would be appropriate to treat the patient’s disorder?
    • A. 

      Neostigmine

    • B. 

      Propranolol

    • C. 

      Prazosin

    • D. 

      Clonidine

    • E. 

      Labetalol

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