A client asks the nurse to explain the difference between stable and unstable angina.
What is the best response by the nurse?
"Stable angina is predictable in its frequency, intensity, and duration. Unstable angina is when angina episodes become more frequent or severe, and occur during periods of rest.”
"Unstable angina is predictable in its frequency, intensity, and duration. Stable angina is when angina episodes become more frequent or severe, and occur during periods of rest.”
"Stable angina is caused by spasms of the coronary arteries. Unstable angina is when angina episodes become more frequent or severe, and occur during periods of rest.”
"Unstable angina is caused by spasms of the coronary arteries. Stable angina is when angina episodes become more frequent or severe, and occur during period of rest."
The Correct Answer is A
A. Stable angina is predictable and typically occurs with exertion or emotional stress and is relieved with rest or nitroglycerin. Unstable angina is less predictable and more serious, occurring at rest, with minimal exertion, or worsening pattern from stable angina.
B. This answer misrepresents the characteristics and causes of stable and unstable angina, mixing definitions or incorrectly assigning causes.
C. This answer misrepresents the characteristics and causes of stable and unstable angina, mixing definitions or incorrectly assigning causes.
D. This answer misrepresents the characteristics and causes of stable and unstable angina, mixing definitions or incorrectly assigning causes.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Placing three tablets under the tongue at once is not the recommended initial dosing for nitroglycerin.
B. Nitroglycerin tablets should not be swallowed; they are meant to be taken sublingually (under the tongue) for quick absorption.
C. This is the correct instruction, reflecting the standard protocol for acute angina treatment with nitroglycerin: one tablet under the tongue every 5 minutes as needed, with no more than three tablets in 15 minutes. If pain persists, it is advised to call emergency services.
D. This instruction is inappropriate as it delays immediate treatment for chest pain, which can be critical in the event of acute angina or a heart attack.
Correct Answer is B
Explanation
A. Aspirin is not primarily used to inhibit peptic ulcer disease; it is used to prevent cardiovascular events by decreasing platelet aggregation.
B. Aspirin decreases platelet aggregation, making it useful in preventing clot formation in conditions such as angina and myocardial infarction.
C. Aspirin is not used to reduce emphysema; it is primarily used for its antiplatelet effects.
D. Aspirin does not directly decrease carbon dioxide retention; its primary mechanism of action in cardiovascular disease is through antiplatelet effects.
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