HESI RN
RN HESI Pharmacology Exam 3 Questions
Extract:
Question 1 of 5
A client has a new prescription for diclofenac, a nonsteroidal anti-inflammatory drug (NSAID). Which information in the client's history is of greatest concern to the nurse in monitoring the client's response to this medication?
Correct Answer: B
Rationale: Chronic alcoholism increases the risk of gastrointestinal bleeding or ulcers with diclofenac, an NSAID, due to mucosal irritation. This history requires vigilant monitoring for GI symptoms, making it the greatest concern over osteoarthritis, diabetes, or migraines.
Question 2 of 5
A client receives a prescription for ciprofloxacin 400 mg intravenously (IV) every 12 hours to be infused over an hour. The IV bag contains ciprofloxacin 400 mg in dextrose 5% in water (D5W) 200 mL. The nurse should program the infusion pump to deliver how many mL/hr? (Enter numerical value only.)
Correct Answer: 200
Rationale: Infusion rate = 200 mL ÷ 1 hour = 200 mL/hr. The pump should be set to deliver 200 mL/hr to infuse the entire dose over one hour.
Question 3 of 5
The nurse is assessing the eyes of a client who just received mydriatic eye drops. Which physiological function of the eye will not respond during the therapeutic period after administration of the eye drops?
Correct Answer: A
Rationale: Mydriatic drops dilate pupils, inhibiting constriction by blocking parasympathetic response. Refraction, convergence, and accommodation (though impaired) are less directly affected during the therapeutic period.
Question 4 of 5
The healthcare provider prescribes magnesium sulfate 300 mg/hour IV. The IV bag contains magnesium sulfate 4 grams in dextrose 5% in water (D5W) 500 mL. How many mL/hour should the nurse set the infusion pump? (Enter numerical value only. If rounding is required, round to the nearest tenth.)
Correct Answer: 37.5
Rationale: Convert 4 grams to 4000 mg. Infusion rate = (300 mg/hr) ÷ (4000 mg/500 mL) = 300 × 500 ÷ 4000 = 37.5 mL/hr. The pump should be set to 37.5 mL/hr.
Question 5 of 5
A client with generalized anxiety disorder (GAD) receives a new prescription for lorazepam. Which statement provided by the client requires additional instruction by the nurse?
Correct Answer: C
Rationale: Lorazepam may take time for optimal effect, and stopping abruptly risks withdrawal or worsening anxiety. Clients should continue as prescribed and consult their provider if effects are lacking. Relaxation techniques, avoiding sedatives, and moving slowly are appropriate.