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
Given:
Volume of fluid: 500 mL
Infusion time: 8 hours
Drop factor: 10 gtt/mL
Medication volume: 10 mL (added to the fluid)
Step 1: Calculate the total volume to be infused:
Total volume = Volume of fluid + Volume of medication
Total volume = 500 mL + 10 mL
Total volume = 510 mL
Step 2: Calculate the infusion rate in mL/hr:
Infusion rate (mL/hr) = Total volume (mL) / Infusion time (hr)
Infusion rate (mL/hr) = 510 mL / 8 hr
Infusion rate (mL/hr) = 63.75 mL/hr
Step 3: Calculate the infusion rate in gtt/min:
Infusion rate (gtt/min) = Infusion rate (mL/hr) x Drop factor (gtt/mL) / 60 min/hr
Infusion rate (gtt/min) = 63.75 mL/hr x 10 gtt/mL / 60 min/hr
Infusion rate (gtt/min) = 10.625 gtt/min
Step 4: Round to the nearest whole number:
Infusion rate (gtt/min) ≈ 11 gtt/min
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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