A nurse is providing education to a client with angina about stress management techniques. The client asks the nurse how stress affects the heart. How should the nurse respond?
"Stress causes the heart to pump faster, increasing blood flow to the body."
"It leads to vasodilation of the coronary arteries, improving blood flow to the heart."
"Stress triggers the release of adrenaline, which can constrict coronary arteries and increase heart rate."
"It suppresses the sympathetic nervous system, leading to decreased heart rate and blood pressure."
The Correct Answer is C
A) This choice is incorrect because stress does not cause the heart to pump faster. While stress can activate the sympathetic nervous system and increase heart rate, the primary impact on the heart is related to hormonal responses.
B) This choice is incorrect because stress-induced vasodilation of coronary arteries is not a typical response. Instead, stress can lead to vasoconstriction, potentially reducing blood flow to the heart.
C) This choice is correct. During stress, the body releases adrenaline (epinephrine) and other stress hormones, which can lead to vasoconstriction of coronary arteries, reducing blood flow to the heart muscle. Additionally, the release of adrenaline can increase heart rate, resulting in increased myocardial oxygen demand.
D) This choice is incorrect because stress activates the sympathetic nervous system, leading to increased heart rate and blood pressure rather than suppressing these responses.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A) This choice is incorrect because e-cigarettes and vaping are not considered safe alternatives to smoking and are not recommended as a way to quit smoking. They can also pose health risks to the cardiovascular system.
B) This choice is incorrect because gradually decreasing cigarette intake may not be as effective as setting a quit date and quitting smoking altogether.
C) This choice is incorrect because while nicotine replacement therapy (NRT) can be helpful for some individuals in managing cravings during the quitting process, it is not the primary recommendation. Avoiding triggers and setting a quit date are essential strategies for successful smoking cessation.
D) This choice is correct. Setting a quit date is an effective approach to quitting smoking. It allows individuals to mentally prepare for the change and commit to the process. Avoiding situations or triggers that may lead to smoking is also crucial for breaking the habit and preventing relapse.
Correct Answer is B
Explanation
A) This choice is incorrect because chest pain relieved by rest and nitroglycerin is characteristic of stable angina, not an MI. Stable angina is triggered by physical exertion or emotional stress and is usually relieved by rest and nitroglycerin use.
B) This choice is correct. Diaphoresis (profuse sweating) and nausea are clinical manifestations commonly associated with an MI but not usually seen in stable angina. These symptoms are a result of the sympathetic nervous system's response to the heart muscle's decreased oxygen supply during an MI.
C) This choice is incorrect because chest pain triggered by emotional stress is characteristic of stable angina, not an MI. Emotional stress can cause vasospasms in the coronary arteries, leading to angina episodes.
D) This choice is incorrect because shortness of breath and wheezing may occur in both stable angina and MI, especially if the heart's pumping ability is compromised. These symptoms are not specific to MI and can also be seen in other cardiac and respiratory conditions.
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