The nurse is evaluating the medical prescription of carvedilol 6.25 mg PO daily for a client with a history of unstable angina. Which of the following reflects that the medication's action has been effective?
Urine output 50 mL per hour
Heart rate 60 beats/minute
Heart rhythm regular
Blood pressure 120/90
The Correct Answer is B
A. While it may have some impact on kidney function indirectly through its effects on blood pressure and heart function, urine output is not the primary parameter used to assess the effectiveness of carvedilol in a patient with a history of unstable angina.
B. Carvedilol, as a beta-blocker, helps reduce heart rate by blocking the effects of adrenaline on the heart. In unstable angina, lowering the heart rate can reduce myocardial oxygen demand, which is beneficial in managing ischemic symptoms
C. Carvedilol primarily affects heart rate and blood pressure but doesn't directly regulate heart rhythm. However, in patients with certain cardiac conditions, like heart failure or left ventricular dysfunction after a heart attack, carvedilol can sometimes help to stabilize heart rhythm indirectly by reducing stress on the heart.
D. Carvedilol is also effective in reducing blood pressure, which is beneficial in patients with unstable angina, as it decreases the workload on the heart and the oxygen demand of the myocardium. A blood pressure reading of 120/90 is within the normal range for an adult and indicates good control of blood pressure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","D"]
Explanation
A. Eating smaller, more frequent meals can help reduce the likelihood of gastric distention and decrease the pressure on the lower esophageal sphincter (LES), which can help reduce reflux symptoms.
B. Smoking is a risk factor for GERD as it can weaken the LES and increase acid reflux. Therefore, quitting smoking can help alleviate symptoms and improve overall health.
D. Elevating the head of the bed by 6 to 8 inches can help reduce nighttime reflux symptoms by using gravity to prevent stomach acid from flowing back into the esophagus.
C. Proton pump inhibitors (PPIs) like omeprazole are typically taken before meals to inhibit acid production and prevent reflux symptoms. Taking omeprazole after meals may not provide optimal acid suppression when it is most needed.
E. Eating a large meal right before bedtime can increase the likelihood of reflux symptoms as lying down after eating can worsen reflux. It is recommended to avoid large meals, particularly before bedtime, to minimize GERD symptoms.
Correct Answer is C
Explanation
C. Thirst, polyuria, and abdominal pain are symptoms commonly associated with hyperglycemia. High blood glucose levels can lead to osmotic diuresis, causing increased urination and thirst. Abdominal pain may occur due to gastrointestinal symptoms related to hyperglycemia, such as bloating or discomfort.
A. Blurred vision, weakness, tingling of extremities are more indicative of hypoglycemia rather than hyperglycemia.
B. Hunger, shakiness, confusion are symptoms of hypoglycemia rather than hyperglycemia.
D. While tachycardia and anxiety can occur with various medical conditions, oliguria is not typically associated with hyperglycemia.
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