ATI RN
First Aid Cardiovascular Drugs Quizlet Questions
Question 1 of 5
In the treatment of cardiac shock, the drug of choice is
Correct Answer: A
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Question 2 of 5
The client has the following vital signs: RR 16. BP 120/60. T 98.1 O2 sat 99 percent. Which number represents the client's systolic blood pressure?
Correct Answer: B
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Question 3 of 5
A 23-year-old baseball player has a normal heart rate and cardiac echocardiogram, suggesting normal cardiac contractility. This may be, in part, because of satisfactory intracellular concentrations of calcium within the heart. Which of the following sources of intracellular calcium plays the most minor role in cardiac contractility?
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Question 4 of 5
A 78-year-old man presents to the emergency room with acute-onset left-sided weakness and slurred speech that started 40 min ago. A CT scan of his brain confirms an ischemic stroke. The patient is started on alteplase immediately. What is the mechanism of action of alteplase?
Correct Answer: C
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Question 5 of 5
The above figure represents the action potential of a Purkinje fiber. At which of the following areas on the succeeding graph do calcium channels close and potassium channels open, resulting in an outward current that leads to membrane repolarization?
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.