Adrenergic Agonists Practice Questions
20 free Adrenergic Agonists practice questions for the Pharmacology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.
Questions
20 questions
All Adrenergic Agonists questions
- Q1. Which of the following adrenergic agonists is classified as a non-selective direct-acting catecholamine that stimulates alpha-1, alpha-2, beta-1, and beta-2 re…
- Q2. Which receptor subtype is primarily responsible for the increased myocardial contractility (inotropy) and heart rate (chronotropy) observed with Dobutamine adm…
- Q3. In the management of anaphylactic shock, Epinephrine is the drug of choice because its action on which receptor subtype prevents further mast cell degranulatio…
- Q4. Which of the following drugs is a selective Alpha-2 agonist often used centrally to treat hypertension by decreasing sympathetic outflow?
- Q5. Norepinephrine differs from Epinephrine primarily in its lack of significant activity at which receptor subtype?
- Q6. Phenylephrine is frequently used as a nasal decongestant. What is its primary mechanism of action?
- Q7. What is the primary clinical indication for the use of Mirabegron?
- Q8. Which of the following is an indirect-acting sympathomimetic that works by displacing stored norepinephrine from synaptic vesicles into the synaptic cleft?
- Q9. Isoproterenol is a potent agonist at which receptors?
- Q10. Which of the following side effects is most likely to occur following the administration of a high-dose Alpha-1 agonist?
- Q11. Dopamine at low (renal) doses primarily acts on which receptors to increase renal blood flow?
- Q12. Which of the following statements regarding Albuterol is correct?
- Q13. A patient taking a non-selective MAO inhibitor consumes aged cheese and develops a hypertensive crisis. This is due to the accumulation of which substance?
- Q14. Which drug is used topically in ophthalmology to induce mydriasis without causing cycloplegia?
- Q15. Fenoldopam is a selective agonist at which receptor, used for the treatment of hypertensive emergencies?
- Q16. What is the primary mechanism of action of Cocaine in the autonomic nervous system?
- Q17. Which of the following adrenergic agonists is used to delay preterm labor (tocolysis) by relaxing uterine smooth muscle?
- Q18. In the presence of an Alpha-blocker, the administration of Epinephrine causes a decrease in blood pressure rather than an increase. This phenomenon is known as:
- Q19. Which drug is a prodrug converted to desglymidodrine, used for the treatment of symptomatic orthostatic hypotension?
- Q20. Salmeterol and Formoterol are unique among Beta-2 agonists because they: