Nokea
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.
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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.
What is the correct statement concerning noncompetitive antagonism:
- A. The potency of the drug does not change
- B. the number of receptors able to bind the agonist is affected
- C. by increasing the conc. of the agonist, we cannot overcome the problem
- D. non of the above is wrong
Correct Answer: D
Rationale: All statements are correct: noncompetitive antagonism reduces efficacy (not potency), affects receptor availability, and cannot be overcome by increasing agonist concentration.
Scott's seizures are well controlled on topiramate and he wants to start playing baseball. Education for Scott regarding his topiramate includes:
- A. He should not play sports due to the risk of increased seizures
- B. He should monitor his temperature and ability to sweat in the heat while playing
- C. Reminding him that he may need higher dosages of topiramate when exercising
- D. Encouraging him to use sunscreen due to photosensitivity from topiramate
Correct Answer: B
Rationale: Topiramate can impair sweating, increasing heat-related risks during sports.
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.
NSAIDs increase the risk of CNS adverse effects when taken with which group of antibiotics?
- A. Macrolides
- B. Penicillins
- C. Aminoglycosides
- D. Quinolones
Correct Answer: D
Rationale: Quinolones (e.g., ciprofloxacin) with NSAIDs can increase CNS effects like seizures due to GABA inhibition.