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Which statement made by the provider is correct about beta blockers?

A.

They should not be abruptly stopped.

B.

They are safe to take with herbal medications.

C.

It isn't necessary to monitor lab results.

D.

Taking over the counter medications is acceptable.

Answer and Explanation

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. 
 


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Related Questions

Correct Answer is D

Explanation

Given:
Volume of fluid: 50 mL (DSW) + 10 mL (for reconstitution) = 60 mL
Infusion time: 45 minutes
Drop factor: 10 gtt/mL

Formula:
Flow rate (gtt/min) = (Volume (mL) / Time (min)) x Drop factor (gtt/mL)

Step 1: Calculate the infusion rate in mL/min:
Infusion rate (mL/min) = Volume (mL) / Time (min)
Infusion rate (mL/min) = 60 mL / 45 min
Infusion rate (mL/min) = 1.33 mL/min

Step 2: Calculate the flow rate in gtt/min:
Flow rate (gtt/min) = Infusion rate (mL/min) x Drop factor (gtt/mL)
Flow rate (gtt/min) = 1.33 mL/min x 10 gtt/mL
Flow rate (gtt/min) = 13.3 gtt/min

Step 3: Round to the nearest whole number:
Flow rate (gtt/min) ≈ 13 gtt/min

Correct Answer is C

Explanation

A) Headache:
Headache is a known side effect of angiotensin receptor blockers (ARBs), such as losartan, valsartan, and olmesartan. These medications can cause headaches due to their vasodilatory effects, which can lead to changes in blood pressure and blood flow. While not everyone will experience this side effect, it is considered relatively common.

B) Dizziness:
Dizziness is another common side effect of ARBs. As ARBs cause vasodilation by blocking the angiotensin II receptors, they can lower blood pressure, leading to dizziness or lightheadedness, especially when standing up quickly. This is particularly noticeable in patients who are elderly or who are on multiple antihypertensive medications.

C) Constipation:
Constipation is not a typical side effect of angiotensin receptor blockers (ARBs). While some medications, especially calcium channel blockers and certain opioid analgesics, are more commonly associated with constipation, ARBs do not have this effect. ARBs primarily affect the vascular system and the kidneys, and constipation is not generally a side effect.

D) Hypotension:
Hypotension (low blood pressure) is a common side effect of ARBs. Since these medications relax blood vessels and decrease blood pressure by blocking the effects of angiotensin II, they can lead to a drop in blood pressure, particularly in the first few days of treatment or when starting therapy. This can result in symptoms like dizziness or fainting, especially when changing positions (postural hypotension).

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