A 2-week-old infant's head circumference is measured to be 37.2 cm. This measurement, converted to millimeters, is ______________mm.
The Correct Answer is ["372"]
Calculation:
- To convert centimeters (cm) to millimeters (mm), use the conversion factor of 10 mm per 1 cm.
1 cm = 10 mm
Measurement in mm = 37.2 cm × 10 mm/cm
= 372 mm.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. ASA gr v q4h prn pain: This order uses outdated terminology ("gr v" for grain 5) and lacks a specified route. Current standards require metric units and a clearly defined route to reduce errors.
B. ASA 325 mg po prn fever: While the dosage, route, and indication are present, the frequency is missing. "prn" must be accompanied by a frequency (e.g., q4h) to be a complete and actionable order.
C. Aspirin 325 mg po q4h prn headache: This order includes the drug name, dosage, route, frequency, and specific indication. It uses current, safe prescribing standards and is a complete and appropriately written PRN medication order.
D. Aspirin po q4h prn toothache: This order is missing the dosage, which is critical for safe medication administration. Without the amount to administer, the order is incomplete and not acceptable for execution.
Correct Answer is ["167"]
Explanation
Given values:
Total volume = 1,000 mL
Infusion time = 6 h
- Calculate the flow rate in mL/h using the formula:
Flow rate (mL/h) = Total volume (mL) / Infusion time (h)
= 1000 mL / 6 h
= 166.6667 mL/h.
- Round the answer to the nearest whole number.
= 167 mL/h.
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