The nurse is reviewing the classes of
antidysrhythmic drugs. Amiodarone (Cordarone) is classified on the Vaughan Williams classification as a class III drug, which means it works by which mechanism of action?
a. Blocking slow calcium channels
b. Prolonging action potential duration
c. Blocking sodium channels and affecting phase 0
d. Decreasing spontaneous depolarization and affecting phase 4
Question 2
Which drug classes are considered first-line treatment for heart failure? (Select all that apply.)
a. Angiotensin-converting enzyme (ACE) inhibitors
b. Angiotensin II receptor blockers (ARBs)
c. Digoxin (cardiac glycoside)
d. Beta blockers
e. Nesiritide (Natrecor), the B-type natriuretic peptide
Nurse Sandy
Beta-lactam antibiotics: The beta-lactam ring is common to many different classes of antibiotics.
Devices used to deliver respiratory drugs.
Drugs in the Treatment of Heart Failure
Mechanisms of action of drugs used for heart failure.
Drugs can be classified as prescription or over-the-counter (OTC) drugs