Nokea
Which of the following drugs are mucolytics?
- A. Diphenhydramine
- B. Carbocisteine and mecysteine
- C. Methadone or diamorphine
- D. Atropine
Correct Answer: B
Rationale: Carbocisteine and mecysteine break mucus disulfide bonds, acting as mucolytics.
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A nurse is preparing to administer tobramycin. Which lab value should be monitored closely?
- A. Liver function tests
- B. BUN and creatinine
- C. Complete blood count
- D. Electrolytes
Correct Answer: B
Rationale: Tobramycin, an aminoglycoside, is nephrotoxic; BUN and creatinine monitor kidney function, critical for safe administration.
In the presence of pentazocine, a higher concentration of morphine is required to elicit pain relief. Pentazocine by it self has a smaller analgesic effect than does morphine, even at the highest dose, Which of the following is correct regarding these medications?
- A. Pentazocine is a competitive antagonist
- B. Morphine is a full agonist, and pentazocine is a partial agonist
- C. Morphine is less efficacious than is pentazocine
- D. Morphine is less potent than is pentazocine
Correct Answer: B
Rationale: Pentazocine's submaximal effect and antagonism of morphine indicate it is a partial agonist, while morphine is a full agonist.
A nurse in a clinic is caring for a group of clients. The nurse should contact the provider about a potential contraindication to a medication for which of the following clients?
- A. A client at 8 weeks of gestation who asks for an influenza immunization
- B. A client who takes Prednisolone and has a no fungal infection
- C. A client who has chronic liver disease and is taking hydrocortone
- D. A client who has Peptic Ulcer Disease, takes Sucralfate, and tells the nurse she has started taking OTC Aluminum Hydroxide
Correct Answer: C
Rationale: Prednisolone worsens fungal infections, hydrocortisone is risky in liver disease, and warfarin with pregnancy increases bleeding risk.
The camp nurse asks the children preparing to swim in the lake if they have applied sunscreen. The nurse reminds the children that chemical sunscreens are most effective when applied:
- A. Immediately before swimming
- B. 15 minutes before exposure to the sun
- C. Immediately before exposure to the sun
- D. At least 30 minutes before exposure to the sun
Correct Answer: D
Rationale: Sunscreens are most effective when applied at least 30 minutes before exposure to the sun so that they can penetrate the skin. All sunscreens should be reapplied after swimming or sweating.
The nurse would expect to see an adjusted dosage in what patients? (Select one that does not apply.)
- A. Young adult women
- B. older adults
- C. Infants
- D. Neonates
Correct Answer: A
Rationale: Infants, neonates, and older adults require dosage adjustments due to differences in metabolism and organ function.