Which of the following changes in aging people tends to slow down the rate of drug absorption and the onset of drug action?
A. A decrease in the percentage of adipose tissue in the body
B. An increase in intestinal motility
C. A decrease in the amount of gastric acid secreted
D. An increase in blood flow to the intestinal tract
Answer: C
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A healthcare provider prescribes 250 mL of 0.9% sodium chloride to be infused over 2 hours. A microdrip infusion set is being used. What is the drip rate (drops/min) that the nurse should monitor?
a. 60 b. 75 c. 125 d. 250
When being interviewed, a 50-year-old patient says that he cannot see the newspaper as well as he used to. You know that vision changes from near to far because:
1. the ciliary muscle changes the pupil size. 2. the lens of the eye changes shape as a muscle contracts and relaxes. 3. of nearsightedness. 4. of clouding of the vitreous humor.
The nurse has admitted a child with a cyanotic heart defect. Which initial lab result would the nurse expect to find?
1. High hemoglobin 2. Low hematocrit 3. High white blood cell count 4. Low platelet count
Biomedical technology involves the use of complex machines or devices in patient care situations. Because of the highly technological environment in which nurses work, it is important that nurses
a. assume total responsibility for monitoring data generated by these devices. b. use human touch and words of reassurance frequently to convey caring. c. maintain the device's safety by assuring routine assessment by physicians. d. be careful not to frighten the patient and family with information about the device.