Ask the nurse to explain the type of angina he is experiencing.
The nurse explains the pain is due to the imbalance of myocardial supply.
Unstable.
Ischemic.
Stable angina.
Prinzmetal.
The Correct Answer is C
Choice A rationale
Unstable angina is characterized by sudden, severe chest pain that occurs at rest or with minimal exertion and is not relieved by nitroglycerin. It represents an imminent risk of myocardial infarction.
Choice B rationale
Ischemic heart disease can cause various types of angina, including stable, unstable, and Prinzmetal’s angina. The term “ischemic” refers to a lack of blood flow to the heart muscle, but this choice is too broad.
Choice C rationale
Stable angina occurs when there is an imbalance between myocardial oxygen supply and demand, typically during physical exertion or emotional stress. It is characterized by predictable chest pain that is relieved by rest or nitroglycerin.
Choice D rationale
Prinzmetal’s angina, also known as variant angina, is caused by a spasm in the coronary arteries, which leads to a temporary reduction in blood flow. It can occur at rest and is not necessarily related to the imbalance of myocardial supply and demand.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Heart failure occurs when the heart muscle cannot pump blood effectively, leading to a backup of blood and fluid buildup in the lungs, legs, and other parts of the body. This explanation is accurate and helps the patient understand the nature of their condition.
Choice B rationale
Reduced oncotic pressure due to increased protein levels is not a primary factor in heart failure. Heart failure is related to the heart’s inability to pump effectively, not protein levels affecting oncotic pressure.
Choice C rationale
Hydrostatic pressure pushing fluids out of the capillaries is not directly related to heart failure. In heart failure, the issue lies in the heart’s inability to pump blood efficiently, leading to fluid buildup rather than fluid being pushed out of capillaries.
Choice D rationale
The decrease in venous pressure from the backup of blood does not cause heart failure. Heart failure results from the heart’s inability to pump blood effectively, leading to increased pressure and fluid buildup, not a decrease in venous pressure.
Correct Answer is D
Explanation
Choice A rationale
The Drug Enforcement Agency (DEA) primarily focuses on the enforcement of controlled substances laws and regulations, not the approval and testing of medications.
Choice B rationale
The Joint Commission on Accreditation of Healthcare Organizations (JCAHO) accredits and certifies healthcare organizations and programs, but it does not control medication testing.
Choice C rationale
The Centers for Disease Control and Prevention (CDC) focuses on public health and disease prevention, not the scientific testing of medications.
Choice D rationale
The Food and Drug Administration (FDA) is responsible for protecting public health by ensuring the safety, efficacy, and security of human and veterinary drugs, biological products, and medical devices through rigorous scientific testing. .
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