Arthur, a 70-year-old, and Kevin, a 24-year-old, are given the same dose of a certain water-soluble drug X. When Dr. Robinson examines samples of their blood plasma, he finds that the concentration of X in Arthur's system is much higher than the concentration of X in Kevin's system. Why is Arthur's blood plasma more concentrated with drug X than Kevin's blood plasma?
A. Because elderly people have a lower percentage of total body water than younger people do
B. Because elderly people have less adipose tissue than younger people do
C. Because elderly people have less intestinal absorptive surface area than younger people do
D. Because elderly people have more lean body mass than younger people do
Answer: A
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A 27-year-old pregnant woman of 30 weeks gestation has been administered terbutaline because of the onset of preterm labor. This drug is effective in stopping preterm labor because
A) it is an antagonist of endogenous oxytocin. B) it stimulates beta-2 receptors, inhibiting contractility of smooth muscle. C) it relaxes smooth muscle by decreasing the amount of free acetylcholine. D) it prevents calcium influx into the cells for cellular contraction.
A client's laboratory value of ______ mg/dL for a fasting serum glucose level would be reported to the physician immediately
1. 50 2. 70 3. 90 4.100
Which of the following statements accurately describes a recommended guideline for implementation? Select all that apply
A) When implementing nursing care, remember to act independently, regardless of the wishes of the client/family. B) Before implementing any nursing action, reassess the client to determine whether the action is still needed. C) Assume that the nursing intervention selected is the best of all possible alternatives. D) Consult colleagues and the nursing and related literature to see if other approaches might be more successful. E) Reduce your repertoire of skilled nursing interventions to ensure a greater likelihood of success.
____________________ are responsible for regulating organ function and normalizing the body, keeping it in a balanced, normal state.
Fill in the blank(s) with the appropriate word(s).