A nurse is caring for a client who has variant angina and is prescribed verapamil. Which of the following are expected outcomes of this medication? (Select all that apply.)
Decreased heart rate
Increased contractility
Dilated coronary arteries
Reduced blood pressure E.
Relieved chest pain.
Correct Answer : C,E
Verapamil is a calcium channel blocker that is used to treat variant angina by dilating the coronary arteries and relieving the chest pain caused by spasms. It also reduces blood pressure and heart rate, but these are not the expected outcomes for variant angina.
Choice A is wrong because verapamil decreases heart rate, not increases it. This can help reduce the oxygen demand of the heart, but it is not the main goal of therapy for variant angina.
Choice B is wrong because verapamil decreases contractility, not increases it. This can also help reduce the oxygen demand of the heart, but it is not the main goal of therapy for variant angina.
Choice D is wrong because verapamil reduces blood pressure, not increases it. This can help lower the workload of the heart, but it is not the main goal of therapy for variant angina.
Normal ranges for heart rate are 60 to 100 beats per minute, for blood pressure are 120/80 mm Hg or lower, and for contractility are measured by ejection fraction, which is normally 55% or higher.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B"]
Explanation
Alteplase is a fibrinolytic agent that dissolves blood clots and restores blood flow.However, it also increases the risk of bleeding from any site, such as the nose, gums, injection sites, or internal organs.Therefore, the nurse should monitor the client for signs of bleeding, such as bruising, hematuria, hematemesis, melena, or decreased hemoglobin and hematocrit levels.
Choice A is wrong because hypotension is not a common adverse effect of alteplase.Hypotension may occur due to blood loss from bleeding or other causes, such as dehydration, sepsis, or cardiac dysfunction.
Choice C is wrong because dysrhythmias are not a common adverse effect of alteplase.Dysrhythmias may occur due to pulmonary embolism itself, which can cause hypoxia, acidosis, and increased pulmonary artery pressure.
Choice D is wrong because nausea is not a common adverse effect of alteplase.Nausea may occur due to other factors, such as anxiety, pain, or medications.
Choice E is wrong because fever is not a common adverse effect of alteplase.Fever may occur due to infection, inflammation, or other causes.
Correct Answer is ["A","D"]
Explanation
A patient with a high aPTT result is at risk for bleeding, so assessing for signs and symptoms of bleeding is important.
Holding heparin therapy per protocol is also appropriate, as heparin is the cause of the prolonged aPTT.
The other choices are wrong because:
• Choice B is wrong because continuing heparin therapy at the current rate will increase the risk of bleeding and further prolong the aPTT.
• Choice C is wrong because decreasing heparin therapy per protocol is not enough to reverse the effects of heparin.
Heparin should be stopped until the aPTT returns to the therapeutic range.
• Choice E is wrong because increasing heparin therapy per protocol will worsen the situation and cause more bleeding and coagulation problems.
The normal range for aPTT is 25 to 35 seconds, and the therapeutic range for heparin therapy is 60 to 80 seconds.A result of 90 seconds indicates excessive anticoagulation and increased bleeding risk.
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