Which statement made by the provider is correct about beta blockers?
They should not be abruptly stopped.
They are safe to take with herbal medications.
It isn't necessary to monitor lab results.
Taking over the counter medications is acceptable.
The Correct Answer is A
A) They should not be abruptly stopped:
Beta blockers should not be abruptly discontinued because sudden withdrawal can lead to rebound hypertension, tachycardia, and even a risk of acute myocardial infarction (MI) in patients with heart disease. Gradual tapering is recommended to allow the body to adjust and avoid these adverse effects.
B) They are safe to take with herbal medications:
Herbal medications can interact with beta blockers and alter their effectiveness or increase the risk of side effects. For example, herbs like St. John's wort can decrease the effectiveness of beta blockers, while others like ginseng may increase the risk of side effects like high blood pressure. It is important to consult with a healthcare provider before taking any herbal supplements with beta blockers.
C) It isn't necessary to monitor lab results:
While beta blockers don't require regular lab tests for their direct effects, monitoring is important in certain patients, especially those with underlying conditions like heart failure, kidney disease, or diabetes. For example, monitoring renal function, electrolytes, and blood glucose may be necessary for patients who are taking other medications alongside beta blockers or who have coexisting conditions.
D) Taking over-the-counter medications is acceptable:
Many over-the-counter (OTC) medications can interact with beta blockers and affect their effectiveness or cause adverse effects. For example, decongestants (found in many cold medications) can raise blood pressure and counteract the effects of beta blockers.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A) "My heart rate may increase":
Digoxin is primarily used to slow the heart rate, not increase it. One of its actions is to increase the force of contraction of the heart while slowing the conduction through the atrioventricular (AV) node, which typically leads to a decreased heart rate. An increase in heart rate would be an unusual side effect and might indicate digoxin toxicity or another underlying issue.
B) "My vision may get blurred":
A common side effect of digoxin toxicity is visual disturbances, which may include blurred vision, yellow-green halos, or other color vision abnormalities. These symptoms are often associated with elevated digoxin levels in the blood and are a hallmark sign of toxicity.
C) "I may have constipation after taking this medication":
Constipation is not a typical side effect of digoxin. While some medications may cause constipation, this is not a primary or common side effect of digoxin. If constipation occurs, it may be due to other factors, such as diet, other medications, or a comorbid condition.
D) "My abdomen may hurt after taking this medication":
Although abdominal discomfort can be a side effect of many medications, it is not a primary or typical side effect of digoxin. If the patient experiences abdominal pain, it could be related to digoxin toxicity, especially if accompanied by other symptoms like nausea, vomiting, or diarrhea.
Correct Answer is B
Explanation
Given:
Ordered dose of Vancomycin: 500 mg
Infusion rate: 5 mg/kg/hr
Patient weight: 98 lbs
Concentration of Vancomycin: 500 mg/100 mL
Step 1: Convert patient weight from pounds to kilograms:
1 pound (lb) = 0.453592 kilograms (kg)
Patient weight in kg = 98 lbs x 0.453592 kg/lb = 44.462256 kg
Step 2: Calculate the total dose of Vancomycin in mg/hr:
Total dose (mg/hr) = Ordered dose (mg/kg/hr) x Patient weight (kg)
Total dose (mg/hr) = 5 mg/kg/hr x 44.462256 kg
Total dose (mg/hr) = 222.31128 mg/hr
Step 3: Calculate the infusion rate in mL/hr:
Infusion rate (mL/hr) = Total dose (mg/hr) / Concentration (mg/mL)
Infusion rate (mL/hr) = 222.31128 mg/hr / (500 mg/100 mL)
Infusion rate (mL/hr) = 222.31128 mg/hr x (100 mL/500 mg)
Infusion rate (mL/hr) = 44.462256 mL/hr
Step 4: Round to the nearest tenth:
Infusion rate (mL/hr) ≈ 44.5 mL/hr
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