Sympathomimetics Practice Questions
20 free Sympathomimetics 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 Sympathomimetics questions
- Q1. Which of the following describes the mechanism of action of 'mixed-acting' sympathomimetics like Ephedrine?
- Q2. Which of the following sympathomimetics is a selective Beta-2 agonist commonly used to treat acute bronchospasm?
- Q3. In the cardiovascular system, what is the primary effect of a low-dose Dopamine infusion (0.5-2 mcg/kg/min)?
- Q4. Which of the following is an indirect-acting sympathomimetic that acts primarily by inhibiting the Reuptake 1 (NET) transporter?
- Q5. Which sympathomimetic is preferred for the management of cardiogenic shock due to its ability to increase contractility (inotropy) with relatively less effect…
- Q6. Phenylephrine causes a rise in blood pressure, which often results in a compensatory 'reflex bradycardia'. Which receptor is primarily responsible for the init…
- Q7. Which catecholamine is the primary endogenous ligand for both alpha and beta-adrenergic receptors and is the first-line treatment for anaphylactic shock?
- Q8. What is the primary clinical application of the selective Alpha-2 agonist Brimonidine?
- Q9. Which of the following sympathomimetics is a non-catecholamine used orally for the treatment of orthostatic hypotension?
- Q10. Isoproterenol (Isoprenaline) is unique among catecholamines because it:
- Q11. Which of the following sympathomimetics can cause a 'hypertensive crisis' in a patient taking Monoamine Oxidase Inhibitors (MAOIs) if they consume aged cheese?
- Q12. What is the primary therapeutic use of the Long-Acting Beta Agonist (LABA) Salmeterol?
- Q13. Which receptor subtype is responsible for the 'tocolytic' effect (relaxation of the uterus) of drugs like Terbutaline?
- Q14. Which enzyme is responsible for the degradation of circulating catecholamines like Epinephrine in the liver and kidneys?
- Q15. Mirabegron is a sympathomimetic used for overactive bladder. What is its mechanism of action?
- Q16. Why is Norepinephrine primarily used to treat septic shock rather than Epinephrine?
- Q17. Which side effect is commonly associated with the central action of Amphetamines?
- Q18. What is the chemical structural difference between catecholamines and non-catecholamines?
- Q19. Which sympathetic effect is mediated by the Alpha-1 receptor in the eye?
- Q20. In the context of autonomic pharmacology, 'Tachyphylaxis' refers to: