HESI RN
HESI Pharmacology Practice Exam
1. A nurse preparing a client for surgery reviews the client's medication record. The client is to be nothing per mouth (NPO) after midnight. Which of the following medications, if noted on the client's record, should the nurse question?
- A. Cyclobenzaprine (Flexeril)
- B. Alendronate (Fosamax)
- C. Allopurinol (Zyloprim)
- D. Prednisone
Correct answer: D
Rationale: Prednisone is a corticosteroid that can cause adrenal atrophy, reducing the body's ability to withstand stress. During surgery, the dosage may need to be adjusted due to its impact on the body's stress response. Choices A, B, and C are not typically contraindicated before surgery and do not have the same potential impact on the body's stress response.
2. A client with hypertension is prescribed clonidine (Catapres) transdermal patch. Which statement by the client indicates an understanding of the medication?
- A. I should change the patch daily.
- B. I should remove the old patch before applying a new one.
- C. I should avoid alcohol consumption while using this patch.
- D. I should apply the patch to different sites each time.
Correct answer: B
Rationale: The correct answer is B. The client should remove the old clonidine (Catapres) patch before applying a new one to prevent overdose. The patch is typically changed every 7 days. Avoiding alcohol consumption is important as it can potentiate the sedative effects of clonidine. It is recommended to rotate application sites to prevent skin irritation and ensure optimal drug absorption.
3. A client has a prescription for albuterol (Proventil HFA) (two puffs) and beclomethasone dipropionate (Qvar) (nasal inhalation, two puffs) by metered-dose inhaler. The medications are to be administered by the nurse by giving the:
- A. Albuterol first and then the beclomethasone dipropionate
- B. Beclomethasone dipropionate first and then the albuterol
- C. Alternating a single puff of each, beginning with the albuterol
- D. Alternating a single puff of each, beginning with the beclomethasone dipropionate
Correct answer: A
Rationale: Albuterol, as a bronchodilator, should be administered first to help open up the airways, followed by beclomethasone dipropionate to reduce inflammation in the airways. This sequence ensures optimal therapeutic effects of the medications.
4. A client is prescribed calcium gluconate after thyroidectomy. The medication is most likely prescribed to:
- A. Treat thyroid storm.
- B. Prevent cardiac irritability.
- C. Treat hypocalcemic tetany.
- D. Stimulate the release of parathyroid hormone.
Correct answer: C
Rationale: After a thyroidectomy, the parathyroid glands can be inadvertently removed or damaged, leading to a decrease in calcium levels and potentially causing hypocalcemic tetany. Calcium gluconate is given to supplement calcium levels and prevent or treat hypocalcemia-related symptoms, such as muscle spasms and tetany.
5. A client is instructed to take levothyroxine (Synthroid). The medication should be taken:
- A. With food
- B. At lunchtime
- C. On an empty stomach
- D. At bedtime with a snack
Correct answer: C
Rationale: Levothyroxine should be taken on an empty stomach to enhance absorption. Taking it with food or at bedtime can interfere with its absorption, reducing its effectiveness. Therefore, it is essential for the client to take levothyroxine on an empty stomach to ensure optimal therapeutic outcomes.
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