Nicotine gum products are:
- A. Chewed to release the nicotine and then swallowed for a systemic effect
- B. Parked' in the buccal area of the mouth to produce a constant amount of nicotine release
- C. Bound to exchange resins so the nicotine is only released during chewing
- D. Approximately the same in nicotine content as smoking two cigarettes
Correct Answer: B
Rationale: Nicotine gum is parked buccally for steady release.
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Patients who are beginning therapy with vitamin B12 need to be monitored for:
- A. Hypertensive crisis that may occur in the first 36 hours
- B. Hypokalemia that occurs in the first 48 hours
- C. Leukopenia that occurs at 1 to 3 weeks of therapy
- D. Thrombocytopenia that may occur at any time in therapy
Correct Answer: B
Rationale: Hypokalemia can occur early in B12 therapy as red cell production surges, shifting potassium; other effects are rare.
Which of the following produced by the pancreatic beta cells:
- A. Insulin
- B. Gastrin
- C. Somatostatin
- D. Glucagon
Correct Answer: A
Rationale: Insulin is produced by pancreatic beta cells to regulate blood glucose.
Which advantage(s) does the unit dose drug distribution system include? (Select one that does not apply.)
- A. Credit is given to the patient for unused medications.
- B. The pharmacist is able to analyze prescribed medications for each client for drug interactions and contraindications.
- C. There is less waste of medications.
- D. The time spent by nursing personnel preparing these medications is increased.
Correct Answer: D
Rationale: Because the pharmacist has a profile of all medications for each patient, he or she is able to analyze prescribed medications for each patient for drug interactions and contraindications. This is an advantage of the unit dose drug distribution system. Less waste of medications is an advantage of the unit dose drug distribution system. Because each dose is individually packaged, credit can be given to the patient for unused medications. There is increased pharmacist involvement and better use of his or her extensive drug knowledge and nursing personnel time is decreased with this method.
Patient teaching related to amlodipine includes:
- A. Increase calcium intake to prevent osteoporosis from a calcium blockade.
- B. Do not crush the tablet; it must be given in liquid form if the patient has trouble swallowing it.
- C. Avoid grapefruit juice as it affects the metabolism of this drug.
- D. Rise slowly from a supine position to reduce orthostatic hypotension.
Correct Answer: C
Rationale: Grapefruit juice inhibits CYP3A4, increasing amlodipine levels.
Isoniazid (INH) may induce a deficiency of which vitamin?
- A. B6
- B. C
- C. D
- D. E
Correct Answer: A
Rationale: Isoniazid interferes with vitamin B6 (pyridoxine) metabolism, increasing deficiency risk.