HESI RN
HESI Pharmacology Quizlet
1. The healthcare provider is analyzing the laboratory results of a client with leukemia who has received a regimen of chemotherapy. Which laboratory value would the healthcare provider specifically note as a result of the massive cell destruction that occurred from the chemotherapy?
- A. Anemia
- B. Decreased platelets
- C. Increased uric acid level
- D. Decreased leukocyte count
Correct answer: C
Rationale: Following chemotherapy for leukemias and lymphomas, hyperuricemia is common due to the massive cell kill. Chemotherapy leads to the rapid destruction of cancer cells, releasing large amounts of nucleic acids, which are broken down into uric acid. Monitoring and managing uric acid levels are crucial to prevent complications such as renal damage and gout.
2. A client is being taught about the use of enoxaparin (Lovenox) for the prevention of deep vein thrombosis. Which instruction should the nurse include in the teaching plan?
- A. Inject the medication subcutaneously.
- B. Avoid massaging the injection site after administration.
- C. Administer the medication at the same time each day.
- D. Do not expel the air bubble from the syringe before injection.
Correct answer: C
Rationale: Enoxaparin (Lovenox) is administered subcutaneously at the same time each day to maintain consistent blood levels. Injecting the medication into the muscle is incorrect, as it should be given subcutaneously. Massaging the injection site should be avoided to prevent bruising. The air bubble in the prefilled syringe should not be expelled, as it ensures the full dose is administered.
3. The camp nurse asks the children preparing to swim in the lake if they have applied sunscreen. The nurse reminds the children that chemical sunscreens are most effective when applied:
- A. Immediately before swimming
- B. 15 minutes before exposure to the sun
- C. Immediately before exposure to the sun
- D. At least 30 minutes before exposure to the sun
Correct answer: D
Rationale: Chemical sunscreens are most effective when applied at least 30 minutes before exposure to the sun to allow them to penetrate the skin and provide optimal protection. Applying sunscreen immediately before swimming (Choice A) or immediately before exposure to the sun (Choice C) may not provide sufficient time for the sunscreen to be absorbed and offer proper protection. Applying sunscreen 15 minutes before sun exposure (Choice B) is also not ideal as it may not allow enough time for the sunscreen to work effectively. Therefore, the correct answer is to apply chemical sunscreen at least 30 minutes before exposure to the sun to ensure it can be absorbed and offer the intended protection. It is important to reapply sunscreen after swimming or sweating to maintain its effectiveness.
4. A client is taking ticlopidine hydrochloride (Ticlid). The nurse tells the client to avoid which of the following while taking this medication?
- A. Vitamin C
- B. Vitamin D
- C. Acetaminophen (Tylenol)
- D. Acetylsalicylic acid (aspirin)
Correct answer: D
Rationale: Ticlopidine hydrochloride is a platelet aggregation inhibitor. Aspirin or any aspirin-containing product should be avoided as they can precipitate or aggravate bleeding by affecting platelet function and increasing the risk of bleeding complications.
5. A client has just taken a dose of trimethobenzamide (Tigan). The nurse plans to monitor this client for relief of:
- A. Heartburn
- B. Constipation
- C. Abdominal pain
- D. Nausea and vomiting
Correct answer: D
Rationale: The correct answer is D: Nausea and vomiting. Trimethobenzamide (Tigan) is an antiemetic medication used to treat nausea and vomiting. Therefore, the nurse would monitor the client for relief of nausea and vomiting after taking this medication.
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