Nokea
Which of the following routes have the highest bioavailability?
- A. Oral
- B. IM
- C. IV
- D. SC
Correct Answer: C
Rationale: Intravenous (IV) administration delivers the drug directly into the bloodstream, ensuring 100% bioavailability, unlike oral (first-pass effect) or IM/SC (slower absorption).
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Which of the following medications is a potassium-sparing diuretic?
- A. Bumetanide
- B. Hydrochlorothiazide
- C. Spironolactone
- D. Torsemide
Correct Answer: C
Rationale: Spironolactone is a potassium-sparing diuretic, blocking aldosterone, unlike the others which promote potassium loss.
AH of the following do not cross the blood brain barrier except
- A. Pyridostigmine
- B. Neostigmine
- C. Physostigmine
- D. Ambenonium
Correct Answer: C
Rationale: Physostigmine, a tertiary amine, crosses the blood-brain barrier; others (quaternary amines) do not.
It is important to evaluate the efficacy of what parameter when evaluating the drug therapy of a patient?
- A. Appropriateness of drug dosages
- B. Compliance
- C. Caregivers knowledge level
- D. Nursing interventions
Correct Answer: D
Rationale: Evaluating nursing interventions assesses their effectiveness in achieving drug therapy goals.
In today's health care environment there is often more contact between the patient and the nurse than between the patient and the physician. How does this increased patient contact impact drug therapy?
- A. Choosing the best medication to treat the patient's condition
- B. Assessing the patient's preferred communication strategies
- C. Assessing the therapeutic success of the drug therapy
- D. Reducing dosage quickly when adverse effects arise
Correct Answer: C
Rationale: More contact allows nurses to assess therapy success through observation and patient feedback.
A nurse is teaching a client about preventing Otitis Externa. Which of the following instructions should the nurse include?
- A. Clean the ear with a cotton-tipped swab daily
- B. Place earplugs in the ears when sleeping at night.
- C. Use a cool water irrigation solution to remove earwax.
- D. Tip the head to the side to remove water from the ears after showering
Correct Answer: D
Rationale: Tipping the head removes water, preventing moisture that promotes otitis externa.