Nokea
When documenting, which of the following would be appropriate for the nurse to use at accredited health care organizations? Select one that does not apply.
- A. IU
- B. 2mg
- C. 0.2 mg
- D. Units
Correct Answer: A
Rationale: Always use a leading zero when writing decimals (i.e., 0.2 mg, not .2 mg) and leave off the trailing zero (i.e., 2 mg, not 2.0 mg). Always write out units, international units, and daily; do not use U, IU, or QD.
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A patient who has oral candidiasis will begin using nystatin suspension to treat the infection. What information will the nurse include when teaching this patient?
- A. Coat the buccal mucosa with the drug and then rinse your mouth
- B. Gargle with the nystatin and then spit it out without swallowing
- C. Mix the suspension with 4 ounces of water and then drink it
- D. Swish the liquid in your mouth and then swallow after a few minutes
Correct Answer: D
Rationale: Nystatin should coat the mouth and be swallowed for oral candidiasis; spitting or rinsing reduces efficacy. Patients should be taught to swish the suspension in the mouth to coat the tongue and buccal mucosa and then swallow the medication.
The ganglion blocking drugs act by
- A. Competing with acetylcholine at neuromuscular junctions
- B. Preventing release of acetylcholine
- C. Preventing nerve conduction in post ganglionic segment
- D. Preventing catecholamine release or inactivating it
Correct Answer: B
Rationale: Ganglion blockers (e.g., hexamethonium) prevent acetylcholine release at ganglia.
A 22-year-old patient calls the clinic and tells the nurse that she has been depressed and is thinking about taking St. John's wort but wants to know if it is safe first. The nurse begins by questioning what other medications the patient takes and would be concerned about a drug-alternative drug interaction if the patient is also taking what type of medication?
- A. Antihistamines
- B. Analgesics
- C. Antibiotics
- D. Oral contraceptives
Correct Answer: D
Rationale: St. John's wort can interact with oral contraceptives that alter drug metabolism, which can decrease the effectiveness of the contraceptive. Analgesics, antibiotics, and antihistamines can be taken in combination with St. John's wort without known adverse effects.
A classic drug interaction resulting in an increased bleeding time, involves warfarin and:
- A. Vitamin B6
- B. Aspirin
- C. Folic acid
- D. Rifampin
Correct Answer: B
Rationale: Aspirin inhibits platelet aggregation, enhancing warfarin's anticoagulant effect and increasing bleeding risk.
Which of the following drugs can be used in cases of beta blocker overdose?
- A. Glucagon
- B. Flumazenil
- C. Deferoxamine
- D. Naloxone
Correct Answer: A
Rationale: Glucagon increases cardiac contractility via a non-beta receptor pathway, making it effective in beta-blocker overdose.