Antitussives are useful in blocking the cough reflex and preserving the energy associated with prolonged, nonproductive coughing. Antitussives are best used with

postoperative patients.

asthma patients.

patients with a dry, irritating cough.

COPD patients who tire easily.

Answer and Explanation

The Correct Answer is C

A) Postoperative patients:
Antitussives may be used postoperatively to alleviate coughing, but they are not necessarily best used in this population. Postoperative patients may have different needs based on their surgical procedure and overall health status.

B) Asthma patients:
Antitussives are generally not recommended for asthma patients because they can suppress the cough reflex, which may be important for clearing mucus and irritants from the airways. Asthma patients often have productive coughs associated with bronchial inflammation and excess mucus production.

C) Patients with a dry, irritating cough:
Antitussives are most effective for patients with a dry, irritating cough, as they help suppress the cough reflex and provide relief from coughing without producing sputum.

D) COPD patients who tire easily:
While antitussives may provide symptomatic relief for some COPD patients with a dry, nonproductive cough, they are not necessarily best used in this population. COPD patients may have varied responses to antitussive therapy, and treatment decisions should be individualized based on their overall condition and symptoms."

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Correct Answer is B

Explanation

A) Bicarbonate:
While bicarbonate levels may be relevant in some cases, they are not typically a primary consideration before administering furosemide. Furosemide primarily affects electrolyte balance, particularly potassium and sodium, rather than bicarbonate levels.

B) Potassium:
This is the correct answer. Before administering furosemide, it is essential to review the client's potassium levels because furosemide is a loop diuretic that can lead to potassium depletion. Monitoring potassium levels helps prevent hypokalemia, which can lead to cardiac dysrhythmias and other complications, especially in clients with heart failure.

C) Phosphate:
Phosphate levels are not typically a primary concern before administering furosemide. Furosemide primarily affects sodium and potassium levels rather than phosphate levels.

D) Carbon dioxide:
Carbon dioxide levels are not typically a primary consideration before administering furosemide. Furosemide primarily affects electrolyte balance rather than carbon dioxide levels.

Correct Answer is ["675"]

Explanation

1. Convert client weight from pounds to kilograms (kg):

We know 1 kg = 2.205 pounds.

Client weight (kg) = 198 lb / 2.205 lb/kg = 90 kg (round to nearest whole number for this calculation).

2. Calculate the total daily dosage:

Prescribed dosage per kg per day: 15 mg/kg/day

Client weight (kg): 90 kg (rounded value from step 1)

Total daily dosage (mg): Dosage (mg/kg/day) x Client weight (kg)

Total daily dosage (mg): 15 mg/kg/day x 90 kg = 1350 mg/day

3. Since the dosage is divided equally every 12 hours, calculate the amount per dose:

Frequency of administration: Every 12 hours

Total daily dosage (mg): 1350 mg/day

Dosage per dose (mg) = Total daily dosage (mg) / Frequency (doses/day)

Dosage per dose (mg) = 1350 mg/day / 2 doses/day

Dosage per dose (mg) = 675 mg/dose (round to nearest whole number as requested)

Therefore, the nurse should administer approximately 675 mg of vancomycin with each dose.

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Antitussives are useful in blocking the cough reflex and preserving the energy associated with prolonged, nonproductive coughing. Antitussives are best used with

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who has heart failure and a new prescription for furosemide. Which of the following laboratory values should the nurse review before administering furosemide?

Correct Answer is B

Explanation

A nurse is preparing to administer vancomycin 15 mg/kg/day divided equally every 12 hr. The client weighs 198 lb. How many mg should the nurse administer with each dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["675"]

Explanation

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