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 D
Explanation
A) RR 18 bpm:
A respiratory rate of 18 breaths per minute is within the normal range for adults (12-20 bpm). Therefore, this finding does not pose a significant concern in the context of digoxin therapy. Respiratory rate should be monitored, especially if the patient is experiencing signs of heart failure or digoxin toxicity, but 18 bpm alone is not alarming.
B) 1+ pitting edema of the lower extremities:
Pitting edema, especially with a grade of 1+ (slight indentation), is a common finding in patients with congestive heart failure (CHF). It indicates fluid retention due to the heart's inability to pump blood effectively. While edema should be monitored, it is not immediately life-threatening or specific to digoxin toxicity.
C) BP 138/90 mm Hg:
A blood pressure of 138/90 mm Hg is slightly elevated, but it is not excessively high. This finding is manageable and should be monitored, particularly in heart failure patients, but it does not present an immediate concern in this case. Blood pressure management is crucial in CHF, but it does not directly correlate with digoxin toxicity.
D) Heart rate 54 beats/min:
A heart rate of 54 beats per minute is considered bradycardic, especially in a patient taking digoxin. Digoxin can lower heart rate by increasing vagal tone and inhibiting the AV node. Bradycardia is a well-known sign of digoxin toxicity, and this finding is concerning because it may indicate that the patient is experiencing toxicity. Digoxin-induced bradycardia can lead to more serious arrhythmias or hemodynamic instability, making this the most concerning finding that requires immediate assessment and possibly intervention.
Correct Answer is C
Explanation
Given:
Ordered dose of Heparin: 100,000 units
Concentration of Heparin: 25,000 units/10 mL
Step 1: Set up the proportion:
Desired dose (units) / Volume to administer (mL) = Concentration (units/mL)
Step 2: Substitute the values:
100,000 units / Volume = 25,000 units/10 mL
Step 3: Solve for the unknown volume:
Volume = 100,000 units / (25,000 units/10 mL)
Volume = 100,000 units x (10 mL / 25,000 units)
Volume = 40 mL
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