Nokea
A nurse is preparing to administer vancomycin 1 g by intermittent IV bolus. Available is vancomycin 1 g in 100 mL of dextrose 5% in water (D5W) to infuse over 45 min. The drop factor of the manual IV tubing is 10 gtt/mL. The nurse should adjust the manual IV infusion to deliver how many gtt/min? (Round the answer to the nearest whole number. Do not use a trailing zero.)
- A. 22
- B. 25
- C. 20
- D. 18
Correct Answer: A
Rationale: Calculation: (100 mL / 45 min) 10 gtt/mL = 22.22, rounded to 22 gtt/min, matching the provided answer.
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Medication agreements or 'Pain Medication Contracts' are recommended to be used:
- A. Universally for all prescribing for chronic pain
- B. For patients who have repeated requests for pain medication
- C. When you suspect a patient is exhibiting drug-seeking behavior
- D. For patients with pain associated with malignancy
Correct Answer: A
Rationale: Pain contracts are recommended universally for chronic pain to set expectations, not just for repeated requests , suspicion , or cancer .
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.
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).
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.
Colestipol comes in a powdered form. The patient is taught to:
- A. Take the powder dry and follow it with at least 8 ounces of water
- B. Take it with a meal to enhance its action on fatty food
- C. Mix the powder with 4 to 6 ounces of milk or fruit juice
- D. Take after the evening meal to coincide with cholesterol synthesis
Correct Answer: C
Rationale: Mixing colestipol with liquid improves palatability and administration.