A nurse is assessing a patient on ceftriaxone. Which allergy should be of particular concern?
- A. Sulfa
- B. Penicillin
- C. Tetracycline
- D. Macrolide
Correct Answer: B
Rationale: Ceftriaxone, a cephalosporin, has a risk of cross-reactivity with penicillin allergies due to similar beta-lactam structures.
You may also like to solve these questions
Patients with allergic rhinitis may benefit from a prescription of:
- A. Fluticasone (Flonase)
- B. Cetirizine (Zyrtec)
- C. OTC cromolyn nasal spray (Nasalcrom)
- D. Any of the above
Correct Answer: D
Rationale: All options "fluticasone (steroid), cetirizine (antihistamine), and cromolyn (mast cell stabilizer)"effectively treat allergic rhinitis symptoms.
A 75-year-old woman with diabetes is taking an oral antidiabetic drug. One day she goes without eating for 18 \mathrm{~h}. Her serum glucose concentration is 48 \mathrm{mg} / \mathrm{dL} (hypoglycemic) upon arrival at the emergency department, where she is deemed to be in critical condition. Which of the following drugs most likely aggravated this fasting hypoglycemia?
- A. Acarbose
- B. Glyburide
- C. Metformin
- D. Pioglitazone
Correct Answer: B
Rationale: Glyburide, a sulfonylurea, can cause severe hypoglycemia, especially during fasting, due to prolonged insulin release.
A nursing instructor is observing a nursing student prepare an oral drug for administration. The instructor determines that the student is performing the procedure correctly when the student compares the label of the drug with the MAR how many times?
- A. 2
- B. 3
- C. 4
- D. 5
Correct Answer: B
Rationale: The proper procedure is to compare the drug label with the MAR three times: when the drug is taken from its storage area, immediately before removing the drug from the container, and before administering the drug to the patient.
Nicotine gum products are:
- A. Chewed to release the nicotine and then swallowed for a systemic effect
- B. Parked' in the buccal area of the mouth to produce a constant amount of nicotine release
- C. Bound to exchange resins so the nicotine is only released during chewing
- D. Approximately the same in nicotine content as smoking two cigarettes
Correct Answer: B
Rationale: Nicotine gum is parked buccally for steady release.
An NP would prescribe the liquid form of ibuprofen for a 6-year-old child because:
- A. Drugs given in liquid form are less irritating to the stomach.
- B. A 6-year-old child may have problems swallowing a pill.
- C. Liquid forms of medication eliminate the concern for first-pass effect.
- D. Liquid ibuprofen does not have to be dosed as often as the tablet form.
Correct Answer: B
Rationale: A 6-year-old may struggle to swallow pills, making liquid ibuprofen more practical . Liquid forms don't eliminate first-pass effect or reduce dosing frequency , and irritation isn't a primary concern here.