What is the correct medical term used to describe impaired blood flow in the coronary arteries?
Coronary heart disease
Cerebrovascular accident
Myocardial infarction
Angina pectoris
The Correct Answer is A
A. Coronary heart disease (CHD) refers to the narrowing or blockage of the coronary arteries due to the buildup of plaque, leading to reduced blood flow to the heart muscle.
B. Cerebrovascular accident (CVA) refers to a stroke, which involves impaired blood flow to the brain rather than the heart.
C. Myocardial infarction (MI) is a heart attack, which occurs when blood flow to a part of the heart is blocked for a long enough time that part of the heart muscle is damaged or dies.
D. Angina pectoris is chest pain or discomfort caused by reduced blood flow to the heart muscle.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Explanation:
A. This is because lithium levels can be affected by changes in sodium balance and hydration levels in the body. Excessive sweating can lead to dehydration, which can increase lithium levels and potentially lead to toxicity. Therefore, it is important for clients to be aware of the need to maintain hydration and to communicate with their healthcare provider if there are any significant changes in their fluid balance, such as those caused by excessive sweating.
B. Stopping lithium abruptly, especially when moods are stable, can lead to relapse of bipolar disorder symptoms and is not recommended.
C. Regular monitoring of blood levels of lithium is essential to ensure therapeutic levels and prevent toxicity; therefore, the statement indicating the client no longer needs blood checks is incorrect.
D. Restricting salt intake lowers the sodium levels which can decrease lithium elimination, hence increasing the risk of toxicity.
Correct Answer is A
Explanation
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.
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