A nurse in the emergency department is monitoring a client who is receiving dopamine to treat hypovolemic shock. Which of the following findings should the nurse identify as an indication for increasing the client's dopamine dosage?
Heart rate 60/min
Oxygen saturation 95%
Blood pressure 90/50 mm Hg
Respiratory rate 14/min
The Correct Answer is C
Choice A reason: A heart rate of 60/min is within the normal range for an adult, and while it may be considered on the lower end, it is not in itself an indication to increase dopamine dosage. Dopamine is used to increase heart rate and cardiac output, but a rate of 60/min does not typically warrant an increase in dosage unless accompanied by other signs of inadequate perfusion.
Choice B reason: An oxygen saturation of 95% is within the normal range for arterial blood gases and is not an indication to increase dopamine dosage. Oxygen saturation reflects the percentage of hemoglobin binding sites in the bloodstream occupied by oxygen.
Choice C reason: A blood pressure of 90/50 mm Hg is considered low and can be an indication for increasing the dopamine dosage in a client with hypovolemic shock. Dopamine increases blood pressure by vasoconstriction and increasing cardiac output, which is critical in managing shock.
Choice D reason: A respiratory rate of 14/min is within the normal range for adults and is not an indication to increase dopamine dosage. The respiratory rate should be monitored for changes that could indicate worsening of the client's condition, but on its own, it does not dictate adjustments to dopamine therapy.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason : Desmopressin is a medication used to treat conditions like diabetes insipidus and certain cases of hemophilia, not allergic reactions such as hives and urticaria.
Choice B reason: Diphenhydramine is an antihistamine that is commonly used to treat allergic reactions, including hives and urticaria. It works by blocking the action of histamine, a substance in the body that causes allergic symptoms.
Choice C reason: Spironolactone is a diuretic and is not used to treat allergic reactions. It is typically prescribed for conditions like heart failure, hypertension, and certain hormonal disorders.
Choice D reason: Metoclopramide is a medication used to treat nausea and gastroparesis, not allergic reactions.
Correct Answer is C
Explanation
Choice A reason: Digoxin is primarily used to treat atrial fibrillation and heart failure. It is not the first-line medication for sinus bradycardia with ST-segment elevation, as it can further slow down the heart rate.
Choice B reason: Sotalol is a beta-blocker and an antiarrhythmic medication that can be used to treat ventricular arrhythmias and maintain sinus rhythm in atrial fibrillation. However, it is not indicated for sinus bradycardia and could exacerbate the condition.
Choice C reason: Atropine is the medication of choice for symptomatic sinus bradycardia. It works by blocking the action of the vagus nerve on the heart, leading to an increased heart rate. Atropine can quickly reverse the symptoms of bradycardia, such as dizziness and shortness of breath.
Choice D reason: Lidocaine is an antiarrhythmic medication used to treat ventricular arrhythmias. While it can be used in acute settings, it is not the first choice for sinus bradycardia with ST-segment elevation.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.