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. Hepatotoxicity is not a primary sign of salicylate toxicity; salicylate toxicity is more commonly associated with gastrointestinal issues, mental confusion, and tinnitus.
B. GI bleeding is a common sign of salicylate toxicity due to its effect on the gastrointestinal lining.
C. Mental confusion can occur as a result of salicylate toxicity affecting the central nervous system.
D. Tinnitus is a classic symptom of salicylate toxicity.
Correct Answer is ["1.5"]
Explanation
To calculate the volume of morphine injection required to administer a dose of 15 mg when the available concentration is 10 mg/mL, the nurse should use the formula: Volume (mL) = Dose (mg) / Concentration (mg/mL). Plugging in the values, the calculation would be: Volume (mL) = 15 mg / 10 mg/mL. This simplifies to 1.5 mL.
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