What ion is responsible for depolarization of the myocardium?
a. Chlorine
b. Potassium
c. Sodium
d. Calcium correct answersSodium
What medication should be administered to patients with mild symptoms due to bradycardia?
a. Atropine
b. Albuterol
c. Adenosine
d. Aspirin correct answersAtropine
What does ST—elevation indicate?
a. Myocardial ischemia
b. Hypercarbia
c. Hypokalemia
d. Cardiac tamponade correct answersMyocardial ischemia
During ventricular systole, what is the blood pumped through?
a. Ductus arteriosis
b. Superior vena cava
c. Tricuspid and bicuspid valves
d. Pulmonary and aortic semilunar valve correct answersPulmonary and aortic semilunar valve
When are coronary arteries perfused?
a. Atrial systole
b. Ventricular systole
c. Atrial diastole
d. Ventricular diastole correct answersVentricular diastole
A 43 year old female complains of 8/10 chest pressure that started while playing tennis. The
pressure is substernal, non-radiating, and decreases to 6/10 with rest. Vital signs are BP 150/88,
P 96, R 18. She is reluctant to go to the hospital. What should you do?
a. Ask her to accept an albuterol nebulizer then recheck her vital signs.
b. Convince her to accept transport and administer aspirin.
c. Arrange for private transportation and document her refusal carefully.
d. Recheck vital signs and thoroughly document her refusal. correct answersConvince her to
accept transport and administer aspirin