Which of the following statements about bioavailability is true?
1. Bioavailability issues are especially important for drugs with narrow therapeutic ranges or sustained-release mechanisms.
2. All brands of a drug have the same bioavailability.
3. Drugs that are administered more than once a day have greater bioavailability than drugs given once daily.
4. Combining an active drug with an inert substance does not affect bioavailability.
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A nurse is caring for a terminally ill client whose death is imminent. The nurse has developed a close relationship with the family. Which of the following is the most appropriate intervention?
A) Encourage family discussions of feelings. B) Make decisions for the family in difficult situations. C) Remain with the family but maintain silence. D) Tell the family to leave the client alone.
A nurse is teaching a group of patients about weight management options. Which statement by the patient indicates a need for further teaching?
a. "Although some drugs often show bene-fits, these benefits do not outweigh the risks." b. " Antiobesity drugs should be used only as adjuncts to a comprehensive weight loss program of diet and exercise." c. "Most patients regain lost weight when antiobesity drugs are discontinued." d. "The side effects of most of these drugs are too uncomfortable to maintain com-pliance."
For a client with radioactive iodine seeds implanted for local control of a prostate tumor, the nurse would address radiation precautions by
a. isolating the client while the implants are intact. b. limiting time spent with the client. c. not allowing children to sit on his lap. d. treating all urine as radioactive.
Which parental statement indicates correct understanding of information presented regarding the treatment for infant anemia?
1. "We will add green leafy vegetables to our child's low-iron formula." 2. "We will discontinue the use of vitamin C supplements by 6 months of age." 3. "We will begin an iron-fortified infant cereal at 4 to 6 months of age." 4. "We will introduce cow's milk by 6 months of age."