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The following medication is classified as a class of na channel blocker: -
ANSWER ✔✔Lidocaine
In understanding the contractility of the heart, the nurse knows that
cardiac output = heart rate multiplied by stroke volume (CO = HR x SV)
afterload can directly affect stroke volume. Afterload is defined as : -
ANSWER ✔✔Resistance blood meets to overcome when leaving the
heart
A voltage-gated Na + channel antagonist drug, (e.g. Procainamide )
belongs to an antiarrhythmic drug class : - ANSWER ✔✔Class 1
, Which of the following antiarrhythmic drugs is a class 3 potassium
channel blocker: - ANSWER ✔✔Amiodarone
Verapamil is used as an antidysrhythmic because it blocks: -
ANSWER ✔✔Calcium channel blocker
The mechanism of action of alteplase most closely resembles that of: -
ANSWER ✔✔Clopidogrel
The nurse knows that digoxin is used as a treatment in heart failure as it
is a ( n ) : - ANSWER ✔✔Na +/K+ ATPase blocker and vasodilator
Beta-blockers are mainly indicated for - and prevention of - -
ANSWER ✔✔Heart failure, angina
In the event of circulatory shock, which of the following would be
indicated: - ANSWER ✔✔Dopamine
A 62-year old male has a cardiac arrest and codes in the emergency
department. Which sympathomimetic may be useful? - ANSWER
✔✔Epinephrine
A common side effect of the 4 antiarrhythmics would be: - ANSWER
✔✔Dizziness