A nurse is asked to prepare a solution of a drug in 2 deciliters (dL) of sterile water. How many milliliters of water are required?
a. 2000 mL c. 200 mL
b. 20 mL d. 20,000 mL
ANS: C
Feedback
A Incorrect: This equals 20 deciliters.
B Incorrect: This equals 0.2 of a deciliter.
C Correct: Liter is the basic unit of volume; deciliter is 1/10 of the basic unit = 100 mL multiplied by 2 = 200 mL.
D Incorrect: This equals 200 deciliters.
You might also like to view...
How does active cell transport occur?
a. Carrier molecules latch onto specific molecules, and transport them in or out of the cell. b. Fluids and substances are forced through cell membranes by hydrostatic pressure. c. Isotonic solutions move substances in and out of the cell. d. Kinetic energy causes molecules to be in constant motion in and out of the cell.
The Advanced Practice Nurse (APN) is using an otoscope to assess the ears of a 1-year-old. What would it be important for the APN to do?
A) Pull the ear lobe up and back B) Brace the hand holding the otoscope against the infant's face C) Have the infant supine with the head held by the nurse D) Have the infant sit with the head held by the nurse
MC When the nurse has made a community diagnosis of "community risk control: lead exposure", appropriate nursing actions would be
A. Monitor playgrounds for children eating dirt. B. Monitor air quality on days with high smog levels. C. Investigate older homes that are being sanded and repainted. D. Check water quality at various locations in the community.
An outcome for an older-adult patient living alone is to be free from falls. Which statement indicates the patient correctly understands the teaching on safety concerns?
a. "I'll take my time getting up from the bed or chair." b. "I should dim the lighting outside to decrease the glare in my eyes." c. "I'll leave my throw rugs in place so that my feet won't touch the cold tile." d. "I should wear my favorite smooth bottom socks to protect my feet when walking around."