Nokea
A drug may be classified by which of the following? Select one that does not apply.
- A. The chemical type of the drug's active ingredient
- B. The way the drug is seen
- C. The generic name of the drug
- D. The trade name of the drug
Correct Answer: A
Rationale: A drug may be classified by the chemical type of the active ingredient or by the way it is used to treat a particular condition. Generic, trade, and nonproprietary refer to how a drug is named.
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Adherence is improved when a drug can be given once daily. Which of the following drugs can be given once daily?
- A. Tacrine
- B. Donepezil
- C. Memantine
- D. Pyridostigmine
Correct Answer: B
Rationale: Donepezil's long half-life allows once-daily dosing, improving adherence.
Which of the following statements about pancreatic enzymes is true?
- A. Dosing may be titrated according to the decrease of steatorrhea
- B. The amount of carbohydrates in the meal drives the amount of enzyme used
- C. The amount of medication used is increased with a cystic fibrosis pulmonary flare
- D. The FDA and Internet-available formulations are bioequivalent
Correct Answer: A
Rationale: Pancreatic enzyme dosing adjusts based on steatorrhea reduction; carbs aren't the driver, and flares don't increase it.
Where are large fenestrations or slit junctions located?
- A. Bone
- B. Brain
- C. Skin
- D. Liver
Correct Answer: D
Rationale: The liver has large fenestrations in sinusoidal endothelium, allowing easy drug passage, unlike the brain (tight junctions) or bone/skin (less permeable).
The tricyclic antidepressants should be prescribed cautiously in patients with:
- A. Eczema
- B. Asthma
- C. Diabetes
- D. Heart disease
Correct Answer: D
Rationale: TCAs can cause cardiac arrhythmias, necessitating caution in heart disease.
A nurse is preparing a teaching plan for a female client who has Bipolar disorder and a new prescription for Carbamazepine. Which of the following instructions should the nurse include in the teaching? (Select one that does not apply.)
- A. This medication can safely be taken during pregnancy.
- B. Eliminate grapefruit juice from your diet.
- C. You will need to have a complete blood count and carbamazepine levels drawn periodically.
- D. You'll your provider if you develop a rash.
Correct Answer: A
Rationale: Grapefruit juice interacts, blood counts monitor toxicity, rash signals reaction, and driving caution addresses sedation.