Use a half-life of 8 hours to determine the amount of a drug left in the body at 4 p.m. if a 500-mg dose of the drug was taken at 8 a.m.
A. 125 mg
B. 375 mg
C. 250 mg
D. None of the above
Answer: C
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A primigravida who is eager to feel the baby move asks the nurse when she can expect to feel movement. The nurse replies that first faint movements may be felt during gestational week:
a. 8. b. 10. c. 16. d. 20.
What should the nurse instruct a patient regarding contact lenses to prevent injury to the eye? (Select all that apply.)
A) Do not share lenses. B) Keep the lenses clean. C) Wash hands before inserting or removing the lenses. D) Have the lenses inspected every 2 years for scratches or damage. E) Discard unused portions of contact solutions at the expiration date.
Which of the following should be included in the teaching plan for a child with sickle cell anemia?
A) Encourage sedentary activity. B) Encourage vigorous activity at higher altitudes. C) Avoid activities in which falls may occur. D) Encourage intake of plenty of fluids.
The nurse tells the patient in advance that the urinary catheter insertion may feel uncomfortable. This is most accurately an example of:
A) distraction B) reducing pain perception C) anticipating a response D) self-care maintenance