A nurse is preparing to administer metronidazole 2 g PO. The amount available is 500 mg tablets. How many tablets should the nurse administer? (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 ["4"]
To calculate the number of tablets needed:
Total dose (2 g) ÷ Dose per tablet (500 mg) = Number of tablets 2,000 mg ÷ 500 mg = 4 tablets
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
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Correct Answer is B
Explanation
A) Incorrect- Urinary retention can be a concern but is not as immediately life-threatening as respiratory depression.
B) Correct - A respiratory rate of 11/min is significantly lower than the normal range and indicates respiratory depression, which can be life-threatening. It requires immediate attention.
C) Incorrect- A blood pressure of 105/62 mm Hg is within a normal range for an adolescent and does not require immediate intervention.
D) Incorrect- Blurred vision might be a side effect of medications, but respiratory depression takes priority due to its potential to lead to serious complications.
Correct Answer is A
Explanation
A) Correct- Intrauterine devices (IUDs) have one of the lowest failure rates among contraceptive methods. They are highly effective at preventing pregnancy.
B) Incorrect- Diaphragms have a higher failure rate compared to IUDs.
C) Incorrect- Oral contraceptives have a failure rate slightly higher than IUDs due to the potential for missed doses.
D) Incorrect- Contraceptive sponges have a higher failure rate compared to IUDs.
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