Past q 3 (midterm 2) Flashcards
Which of the following agonists would be used for cardiogenic shock, cardiac arrest, heart block, or heart failure? A. alpha-1-agonist B. alpha-2-agonist C. beta-1-agonist D. beta-2-agonist
C. beta-1-agonist
Which of the following is NOT a beta-2-agonist? A. Terbutaline B. Ritodrine C. Metaproterenol D. Albuterol E. Phenylepherine
E. Phenylepherine
Beta-2 stimulation leads to an increase in the cellular uptake of what ion, and thus a decrease in plasma concentration of that ion? A. K+ B. Ca2+ C. Cl- D. Na+ E. Mg2+
A. K+
Dopamine receptor activation (D1) dilates renal blood vessels at low dose. At higher doses
(treatment for shock), which of the following receptor is activated?
A. alpha-1
B. alpha-2
C. beta-1
D. beta-2
C. beta-1
Which of the following responses to sympathetic stimulation would prevent receptors from being couples with G-proteins? A. Sequestration B. Down-regulation C. Phosphorylation
C. Phosphorylation
Which of the following is the action of the indirect-acting sympathomimetic drug cocaine? A. Stimulator of NET (uptake 1) B. Inhibitor of NET (uptake 1) C. Stimulator of VMAT (uptake 2) D. Inhibitor of VMAT (uptake 2)
B. Inhibitor of NET (uptake 1)
Tricyclic antidepressants (TCAs) have a great deal of side effects. Which of the following is the action of TCAs? A. Stimulator of NET (uptake 1) B. Inhibitor of NET (uptake 1) C. Stimulator of VMAT (uptake 2) D. Inhibitor of VMAT (uptake 2)
B. Inhibitor of NET (uptake 1)
Which of the following is NOT a mixed sympathomimetic? A. Amphetamine B. Methamphetamine C. Phenylepherine D. Pseudoephedrine
C. Phenylepherine
Prior to an operation to remove a pheochromocytoma (neuroendocrine tumor of the medulla of the
adrenal glands), which of the following should be given to the patient?
A. alpha-agonist
B. alpha-blocker
C. beta-agonist
D. beta-blocker
B. alpha-blocker
Which of the following is NOT an indication for b-blocker therapy? A. Hypotension B. Angina pectoris C. Arrhythmias D. Myocardial infarction
A. Hypotension
Which of the following b-blockers is used for decreasing aqueous humor secretions from the ciliary body? A. Propranolol B. Nadolol C. Timolol D. Metoprolol
D. Metoprolol
Which of the following is NOT considered cardio selective? A. Metoprolol B. Atenolol C. Esmolol D. Carvedilol
D. Carvedilol
Blocking a2 presynaptic receptors will do which of the following? A. Stimulate NE release B. Inhibit NE release C. Stimulate DA release D. Inhibit DA release
A. Stimulate NE release
Which of the following drugs irreversibly damages VMAT? A. Tyramine B. Guanethidine C. Reserpine D. Propranolol
D. Propranolol
Which of the following is the most likely to occur with parenteral administration of a alpha-1-agonist drug? A. Hypotension B. Hypertension C. Tissue necrosis D. Vasodilation
B. Hypertension
Which of the following agonists can have dose-related withdrawal syndrome if the drug is withdrawn
too quickly, leading to rebound hypertension?
A. alpha-1-agonist
B. alpha-2-agonist
C. beta-1-agonist
D. beta-2-agonist
B. alpha-2-agonist
Which of the following agonists can have sedation and xerostomia (dry mouth) in 50% of patients
starting therapy, sexual dysfunction in males, nauseas, dizziness, and sleep disturbances?
A. alpha-1-agonist
B. alpha-2-agonist
C. beta-1-agonist
D. beta-2-agonist
B. alpha-2-agonist
Which of the following agonists can cause hyperglycemia in diabetics? A. alpha-2-agonist B. alpha-1-agonist C. beta-3-agonist D. beta-2-agonist
D. beta-2-agonist
Angina pectoris, tachycardia, and arrhythmias are possible adverse effects of which of the following agonists? A. alpha-2-agonist B. alpha-1-agonist C. beta-2-agonist D. beta-1-agonist
D. beta-1-agonist
If a patient is taking MAO inhibitors and ingests tyramine (red wine, aged cheese), which of the
following acute responses is most likely? (Sympathomimetic)
A. Stimulation of NE release
B. Inhibition of NE release
C. Stimulation of ACh release
D. Inhibition of ACh release
A. Stimulation of NE release