A nurse is caring for a client who is newly-admitted and has angina. The client asks the nurse, "Why am I taking nitroglycerin?" Which of the following responses should the nurse make?
"Nitroglycerin decreases chest pain by dissolving blood clots that are occluding the arteries."
"Nitroglycerin dilates cardiac blood vessels to deliver more oxygen to the heart"
"Nitroglycerin relieves nausea and prevents vomiting, which could lead to aspiration."
"Nitroglycerin acts as a bronchodilator to open small airways and decrease shortness of breath."
The Correct Answer is B
A. Nitroglycerin does not dissolve blood clots; it works by dilating blood vessels to increase blood flow.
B. Nitroglycerin dilates the coronary arteries, increasing oxygen delivery to the heart muscle and relieving angina, which is caused by reduced blood flow to the heart.
C. Nitroglycerin is not used to relieve nausea or prevent vomiting; it is used primarily to manage chest pain.
D. Nitroglycerin is not a bronchodilator; it does not affect the airways directly but rather improves blood flow to the heart.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Preoperative teaching is aimed at reducing anxiety by informing the patient about what to expect during and after surgery. This helps to reduce fear and stress, which can contribute to better postoperative outcomes.
B. Reduced postoperative respiratory function is not an expected outcome of preoperative teaching. Instead, teaching might include breathing exercises to improve respiratory function postoperatively.
C. Preoperative teaching is designed to help manage and potentially reduce postoperative pain by setting expectations and providing pain management strategies.
D. Preoperative teaching is likely to shorten the length of postoperative care rather than increase it by preparing the patient for a smoother recovery.
Correct Answer is D
Explanation
A. Increased systemic vascular resistance is more characteristic of obstructive or cardiogenic shock rather than distributive shock.
B. Loss of blood volume describes hypovolemic shock, not distributive shock.
C. Loss of myocardial contractility pertains to cardiogenic shock, not distributive shock.
D. Distributive shock is characterized by systemic vasodilation leading to a decrease in systemic vascular resistance and inadequate tissue perfusion.
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