A nurse is preparing to administer lithium 300 mg PO every 8 hr. Available is lithium carbonate 150 mg capsules. How many capsules should the nurse administer per dose?
(Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["2"]
2 capsules
To calculate the number of capsules, use the formula:
capsules = (desired dose in mg / available dose in mg) x 1 capsule
Plug in the given values:
capsules = (300 mg / 150 mg) x 1 capsule
Simplify and solve:
capsules = 2 x 1 capsule
capsules = 2 capsules
Round to the nearest whole number and add a leading zero if needed:
capsules = 2 capsules
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","D"]
Explanation
A. Dyspnea:
Dyspnea (shortness of breath) is a common symptom in emphysema due to the destruction of alveolar walls and the resulting reduction in surface area for gas exchange. As the disease progresses, the patient experiences increasing difficulty in breathing, especially during exertion or when the disease becomes more severe.
B. Barrel chest:
A barrel chest is often seen in emphysema, as it results from hyperinflation of the lungs. The increased air trapping due to damaged alveoli causes the chest to expand and become rounded, leading to the characteristic "barrel chest" appearance. This happens because the lungs are constantly overinflated, and the chest wall becomes rigid and rounded as a result.
D. Clubbing of the fingers:
Clubbing of the fingers can occur in chronic respiratory conditions like emphysema due to prolonged hypoxia (low oxygen levels in the blood). This is a compensatory mechanism that involves changes in the nails and fingers. The tips of the fingers become rounded and bulbous over time, and this is commonly associated with long-standing pulmonary diseases.
Correct Answer is ["B","C","E"]
Explanation
These actions help to control bleeding, reduce blood pressure, and promote clotting.
a. Tilt the client's head backward. This is not recommended, as it can cause blood to drain into the throat and increase the risk of aspiration, nausea, or vomiting.
d. Instruct the client to blow his nose. This is not advisable, as it can dislodge any clots that have formed and worsen bleeding.
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