HESI RN
HESI Pharmacology Practice Exam
1. A client is learning how to mix regular insulin and NPH insulin in the same syringe. Which action, if performed by the client, indicates the need for further teaching?
- A. Withdraws the NPH insulin first
- B. Withdraws the regular insulin first
- C. Injects air into the NPH insulin vial first
- D. Injects an amount of air equal to the desired dose of insulin into the vial
Correct answer: A
Rationale: When mixing regular insulin with another insulin preparation, it is crucial to withdraw the regular insulin first to prevent contamination. NPH insulin should be drawn after the regular insulin to maintain the integrity of each insulin type. Therefore, if the client withdraws the NPH insulin first, it indicates the need for further teaching. Choice B is correct as withdrawing regular insulin first is the appropriate step. Choice C is incorrect as air should be injected into the vial containing the regular insulin to maintain pressure. Choice D is incorrect as injecting air equal to the desired dose of insulin into the vial is a correct step in preparing the insulin for withdrawal.
2. A healthcare professional is planning to administer amlodipine (Norvasc) to a client. The healthcare professional plans to check which of the following before giving the medication?
- A. Respiratory rate
- B. Blood pressure and heart rate
- C. Heart rate and respiratory rate
- D. Level of consciousness and blood pressure
Correct answer: B
Rationale: Before administering amlodipine, it is important to check the client's blood pressure and heart rate. Amlodipine is known to lower blood pressure and heart rate as part of its mechanism of action. Monitoring these vital signs helps ensure the safety of the client and allows for appropriate assessment of the medication's effects post-administration.
3. A client is taking lansoprazole (Prevacid) for the chronic management of Zollinger-Ellison syndrome. The nurse advises the client to take which of the following products if needed for a headache?
- A. Naproxen (Aleve)
- B. Ibuprofen (Advil)
- C. Acetaminophen (Tylenol)
- D. Acetylsalicylic acid (aspirin)
Correct answer: C
Rationale: Acetaminophen is the preferred choice for pain relief in individuals taking lansoprazole for Zollinger-Ellison syndrome due to its lower risk of stomach irritation compared to NSAIDs like ibuprofen and aspirin. Naproxen, ibuprofen, and aspirin are NSAIDs that can increase the risk of stomach irritation and bleeding, which is why they are not recommended for individuals with Zollinger-Ellison syndrome who are already on lansoprazole to reduce stomach acid production.
4. The client has begun medication therapy with pancrelipase (Pancrease MT). The nurse evaluates that the medication is having the optimal intended benefit if which effect is observed?
- A. Weight loss
- B. Relief of heartburn
- C. Reduction of steatorrhea
- D. Absence of abdominal pain
Correct answer: C
Rationale: Pancrelipase (Pancrease MT) is a pancreatic enzyme replacement therapy used to aid digestion in clients with pancreatic insufficiency. One of the key goals of pancrelipase therapy is to reduce the amount of undigested fat in the stool, known as steatorrhea. Therefore, the nurse should evaluate the effectiveness of pancrelipase by looking for a reduction in steatorrhea, indicating improved digestion and absorption of fats.
5. Salicylic acid is prescribed for a client with a diagnosis of psoriasis. The nurse monitors the client, knowing that which of the following would indicate the presence of systemic toxicity from this medication?
- A. Tinnitus
- B. Diarrhea
- C. Constipation
- D. Decreased respirations
Correct answer: A
Rationale: The correct answer is A: Tinnitus. Salicylic acid can lead to systemic toxicity, known as salicylism, which may manifest with symptoms like tinnitus, dizziness, hyperventilation, and mental disturbances. Tinnitus is a common early sign of salicylism and should be monitored closely by the nurse to prevent further complications.
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