1 kilogram (kg) is equal to how many pounds (lbs)?
1 lb
22 lbs
0.22 lbs
2.2 lbs
The Correct Answer is D
A. 1 lb.: One pound is significantly less than one kilogram, as 1 lb equals approximately 0.45 kg. Using this conversion would result in underestimating a client’s weight, leading to potential medication dosing errors.
B. 22 lbs.: This value is far too high; 22 lbs equals roughly 10 kilograms. Such a miscalculation would cause a serious overdose if medication doses were calculated based on weight.
C. 0.22 lbs.: This figure underestimates the conversion by a factor of ten. One kilogram is much heavier than 0.22 lbs, and using this value could lead to dangerous underdosing of weight-based medications.
D. 2.2 lbs.: One kilogram equals 2.2 pounds, which is the correct conversion. This standard ratio is essential for accurate medication calculations, particularly in pediatrics and clinical settings where weight-based dosing is required.
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Related Questions
Correct Answer is C
Explanation
A. 60.: Sixty minutes equals one hour, not two. This underestimates the total time by half and would be incorrect in any time-based calculation or scheduling scenario.
B. 600.: Six hundred minutes would equal ten hours, which significantly overestimates the duration. This conversion error could lead to major timing mistakes in medication administration or monitoring.
C. 120.: One hour equals 60 minutes; therefore, two hours equal 60 × 2 = 120 minutes. This is the correct and precise conversion used for accurate time-related calculations in nursing and clinical practice.
D. 6.: Six minutes is far less than one hour and does not represent a realistic conversion. This would indicate a miscalculation of time by a large margin.
Correct Answer is B
Explanation
A. HS.: HS stands for “at bedtime” or “hour of sleep.” It is used when a medication is to be administered once daily in the evening or before sleeping, not on an as-needed basis.
B. PRN.: PRN means “as needed” and is derived from the Latin phrase pro re nata. It indicates that a medication should be given only when necessary, such as for pain, nausea, or anxiety, based on the patient’s condition and nursing assessment.
C. PO.: PO stands for “by mouth” or “orally.” It refers to the route of medication administration, not the frequency or timing of dosing.
D. MAR.: MAR stands for “Medication Administration Record,” which is the document or electronic chart used by healthcare providers to record and verify medication administration times, doses, and routes.
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