(1 point). Listen.
When a nurse is describing the development of primary hypertension, which information is correct? Increased sympathetic nervous system (SNS) activity causes:
Decreased heart rate.
Increased renal excretion of sodium.
Peripheral vasoconstriction.
Decreased insulin resistance.
The Correct Answer is C
Choice A rationale:
Increased sympathetic nervous system (SNS) activity does not cause a decreased heart rate. In fact, increased SNS activity often leads to an increased heart rate as part of the "fight or flight" response, which is characterized by increased sympathetic activity.
Choice B rationale:
Increased sympathetic nervous system (SNS) activity does not result in increased renal excretion of sodium. Instead, it can lead to increased sodium reabsorption by the kidneys as part of the body's response to stress.
Choice D rationale:
Increased sympathetic nervous system (SNS) activity does not cause decreased insulin resistance. In fact, it can contribute to insulin resistance, as chronic stress and high levels of stress hormones like epinephrine and norepinephrine can lead to impaired insulin sensitivity.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
Prinzmetal angina is not caused by blood clots in the coronary artery. It is primarily due to vasospasm of the coronary arteries.
Choice B rationale:
Prinzmetal angina is not caused by hypoxemia from respiratory disease. It is a vascular issue, not a respiratory one.
Choice C rationale:
Prinzmetal angina is caused by vasospasm of the coronary arteries. This constriction reduces blood flow to the heart muscle, leading to chest pain.
Choice D rationale:
Prinzmetal angina is not caused by deep vein thrombosis or hypotension. It is primarily related to vasospasm in the coronary arteries.
Correct Answer is C
Explanation
Choice A rationale:
Albumin and aldosterone. Rationale: Albumin and aldosterone are not typically used to diagnose myocardial infarction. These are not specific markers for cardiac injury. Choice A is incorrect.
Choice B rationale:
Sodium and potassium. Rationale: Sodium and potassium levels are important for assessing electrolyte balance, but they are not specific indicators of myocardial infarction. Choice B is incorrect.
Choice C rationale:
Creatine phosphate (CK-MB) and troponin 1. Rationale: Creatine kinase-MB (CK-MB) and troponin 1 are specific cardiac markers that are elevated in the blood following a myocardial infarction. CK-MB is an isoenzyme of creatine kinase found primarily in the heart, and troponin is a protein released from damaged heart muscle cells. Elevated levels of these markers are indicative of myocardial infarction. Choice C is the correct answer.
Choice D rationale:
Cholesterol and HDL. Rationale: Cholesterol and HDL (High-Density Lipoprotein) levels are relevant for assessing cardiovascular risk but are not specific markers for myocardial infarction. Choice D is incorrect.
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