(1 point). Listen.
A nurse is teaching about unstable angina.
Which information should the nurse include? Unstable angina is considered a precursor to:.
Myocardial ischemia.
Myocardial infarction.
Acute coronary syndromes.
Pericarditis.
The Correct Answer is C
Choice A rationale:
Unstable angina is a precursor to myocardial ischemia, but it doesn't encompass the broader spectrum of acute coronary syndromes. Acute coronary syndromes include unstable angina, non-ST-segment elevation myocardial infarction (NSTEMI), and ST-segment elevation myocardial infarction (STEMI). Unstable angina is a form of acute coronary syndrome but not the only precursor.
Choice B rationale:
While unstable angina is indeed a precursor to myocardial infarction, it is not the only outcome. Myocardial infarction is just one manifestation of the spectrum of acute coronary syndromes.
Choice D rationale:
Pericarditis is not typically considered a direct precursor to unstable angina. Pericarditis is inflammation of the pericardium (the sac around the heart), and its symptoms and causes differ from those of unstable angina. Although both conditions can cause chest pain, their underlying mechanisms are distinct. Now, let's proceed to the final question:
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
Calcium is not the recommended nutrient for a patient with hyperhomocysteinemia. Hyperhomocysteinemia is characterized by elevated levels of homocysteine in the blood, and it is often associated with a deficiency of folate, vitamin B6, and vitamin B12. Folate is crucial in the metabolism of homocysteine and helps reduce its levels in the blood.
Choice B rationale:
Potassium is not a specific nutrient indicated for hyperhomocysteinemia. Potassium is primarily associated with maintaining electrolyte balance and is not directly linked to the management of homocysteine levels.
Choice D rationale:
Protein is not the recommended nutrient for a patient with hyperhomocysteinemia. While protein is essential for various bodily functions, it is not specifically targeted to address the issue of elevated homocysteine levels.
Correct Answer is B
Explanation
Choice A rationale:
Sleeping is not a significant factor in orthostatic hypotension. When a patient is sleeping, they are typically lying down, and orthostatic hypotension is related to changes in posture, not during sleep.
Choice B rationale:
Exercising can exacerbate orthostatic hypotension because it increases the demand on the cardiovascular system. When a patient exercises, their heart rate and blood pressure can increase significantly. In the case of orthostatic hypotension, there's a risk of a more pronounced drop in blood pressure when transitioning to an upright position after exercise. Therefore, exercising requires close observation in these patients.
Choice C rationale:
Sitting down is a relatively stable position, and orthostatic hypotension primarily involves changes from a sitting or lying position to a standing position. Sitting down doesn't typically worsen orthostatic hypotension.
Choice D rationale:
Standing up is a crucial moment when dealing with orthostatic hypotension. When a patient with orthostatic hypotension stands up, there is a risk of a significant drop in blood pressure, which can lead to symptoms like dizziness or fainting. This is why standing up requires close observation. Now, let's move on to the next question.
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