A nurse is teaching a client who has angina about nitroglycerin sublingual tablets. Which of the following statements should the nurse include in the teaching?
"Place one tablet under your tongue every 5 minutes for 30 minutes to relieve chest pain."
"Nitroglycerin decreases chest pain by dissolving blood clots that are occluding the arteries."
"You can store the bottle of tablets in your bathroom medicine cabinet."
"Nitroglycerin dilates cardiac blood vessels to deliver more oxygen to the heart."
The Correct Answer is D
Choice A reason: "Place one tablet under your tongue every 5 minutes for 30 minutes to relieve chest pain." is not the correct statement. This is an incorrect and potentially dangerous instruction, as it can cause overdose and severe hypotension. The nurse should instruct the client to place one tablet under the tongue at the first sign of chest pain, and repeat every 5 minutes for up to three doses, if needed. The client should call 911 if the pain is not relieved after the first dose.
Choice B reason: "Nitroglycerin decreases chest pain by dissolving blood clots that are occluding the arteries." is not the correct statement. This is a false and misleading explanation of how nitroglycerin works. Nitroglycerin does not dissolve blood clots, nor does it affect the occlusion of the arteries. Nitroglycerin is a vasodilator that relaxes the smooth muscle of the blood vessels, especially the veins. This reduces the preload and the oxygen demand of the heart, and relieves the chest pain caused by ischemia.
Choice C reason: "You can store the bottle of tablets in your bathroom medicine cabinet." is not the correct statement. This is an inappropriate and unsafe storage recommendation, as it can affect the potency and effectiveness of the medication. The nurse should instruct the client to store the bottle of tablets in a cool, dry, and dark place, away from heat, moisture, and light. The client should also keep the bottle tightly closed and replace it every 6 months, or as directed by the provider.
Choice D reason: "Nitroglycerin dilates cardiac blood vessels to deliver more oxygen to the heart." is the correct statement. This is a simple and accurate description of how nitroglycerin helps to relieve anginal pain. Nitroglycerin dilates the coronary arteries, which supply blood and oxygen to the heart muscle. This improves the blood flow and oxygen delivery to the ischemic areas of the heart, and reduces the pain and discomfort.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: The nurse collects a urine specimen is an appropriate action, as it can help detect the presence of hemoglobinuria, which is a sign of hemolysis. Hemoglobinuria is the excretion of hemoglobin in the urine, which can cause the urine to appear red or brown.
Choice B reason: The nurse sends a blood specimen to the laboratory is an appropriate action, as it can help confirm the diagnosis of a hemolytic reaction and identify the cause. The laboratory can perform tests such as blood typing, cross-matching, direct antiglobulin test (DAT), and serum bilirubin.
Choice C reason: The nurse initiates an infusion of 0.9% sodium chloride is an appropriate action, as it can help maintain the client's fluid and electrolyte balance and prevent hypovolemic shock. 0.9% sodium chloride is the preferred solution for blood transfusion reactions, as it is isotonic and compatible with blood products.
Choice D reason: The nurse starts the transfusion of another unit of blood product is an inappropriate action, as it can worsen the client's condition and increase the risk of complications. The nurse should not resume the transfusion until the cause of the reaction is determined and the provider orders a new unit of blood product. The nurse should also return the unused blood product and tubing to the blood bank for analysis.
Correct Answer is D
Explanation
Choice A reason: Blurred vision is not a common or serious side effect of simvastatin, as it does not affect the eyes or the vision. Blurred vision may be caused by other factors, such as diabetes, hypertension, or eye disorders.
Choice B reason: Orthostatic hypotension is not a common or serious side effect of simvastatin, as it does not affect the blood pressure or the vascular tone. Orthostatic hypotension may be caused by other factors, such as dehydration, anemia, or medication interactions.
Choice C reason: Urinary retention is not a common or serious side effect of simvastatin, as it does not affect the urinary tract or the bladder function. Urinary retention may be caused by other factors, such as prostate enlargement, infection, or nerve damage.
Choice D reason: Muscle weakness is a common and serious side effect of simvastatin, as it can indicate muscle damage or rhabdomyolysis. Rhabdomyolysis is a life-threatening condition that causes the breakdown of muscle tissue and the release of myoglobin into the bloodstream, which can lead to kidney failure. Muscle weakness may be accompanied by muscle pain, tenderness, or dark urine. The nurse should monitor the client's creatine kinase (CK) levels and report any signs of muscle damage to the provider.
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