HESI RN
Pharmacology HESI
1. A client with trigeminal neuralgia tells the nurse that acetaminophen (Tylenol) is taken on a frequent daily basis for relief of generalized discomfort. The nurse reviews the client's laboratory results and determines that which of the following indicates toxicity associated with the medication?
- A. Sodium of 140 mEq/L
- B. Prothrombin time of 12 seconds
- C. Platelet count of 400,000 cells/mm³
- D. A direct bilirubin level of 2 mg/dL
Correct answer: D
Rationale: A direct bilirubin level of 2 mg/dL indicates liver damage, which can be caused by an overdose of acetaminophen. Acetaminophen toxicity can lead to liver injury, manifesting as elevated bilirubin levels and other liver function test abnormalities.
2. The healthcare provider has prescribed silver sulfadiazine (Silvadene) for the client with a partial-thickness burn, which has cultured positive for gram-negative bacteria. The nurse is reinforcing information to the client about the medication. Which statement made by the client indicates a lack of understanding about the treatment?
- A. The medication is an antibacterial.
- B. The medication will help heal the burn.
- C. The medication will permanently stain my skin.
- D. The medication should be applied directly to the wound.
Correct answer: C
Rationale: The correct answer is C. Silver sulfadiazine is an antibacterial used to treat burns, helping in the healing process. It does not permanently stain the skin. Therefore, the statement indicating a lack of understanding is that the medication will permanently stain the skin.
3. Cycloserine (Seromycin) is added to the medication regimen for a client with tuberculosis. Which of the following would the nurse include in the client-teaching plan regarding this medication?
- A. To take the medication after meals
- B. To return to the clinic weekly for serum drug-level testing
- C. To call the health care provider (HCP) if a skin rash occurs
- D. To restrict alcohol intake with this medication
Correct answer: B
Rationale: Cycloserine requires weekly serum drug level determinations to monitor for neurotoxicity. The medication must be taken after meals, and the client should avoid alcohol. Additionally, the client should report any signs of skin rash or central nervous system toxicity to the healthcare provider.
4. A client with angina pectoris is experiencing chest pain that radiates down the left arm. The nurse administers a sublingual nitroglycerin tablet to the client. The client's pain is unrelieved, and the nurse determines that the client needs another nitroglycerin tablet. Which of the following vital signs is most important for the nurse to check before administering the medication?
- A. Temperature
- B. Respirations
- C. Blood pressure
- D. Radial pulse rate
Correct answer: C
Rationale: The correct answer is checking the client's blood pressure (C) before administering another nitroglycerin tablet. Nitroglycerin can cause hypotension, and monitoring blood pressure is crucial to prevent a sudden drop in blood pressure, especially when giving another dose of nitroglycerin.
5. A nurse reinforces discharge instructions to a postoperative client who is taking warfarin sodium (Coumadin). Which statement, if made by the client, reflects the need for further teaching?
- A. I will take my pills every day at the same time.
- B. I will be certain to avoid alcohol consumption.
- C. I have already called my family to pick up a Medic-Alert bracelet.
- D. I will take Ecotrin (enteric-coated aspirin) for my headaches because it is coated.
Correct answer: D
Rationale: Ecotrin is an aspirin-containing product and should be avoided. Clients should avoid alcohol consumption, take prescribed medication at the same time each day, and use a Medic-Alert bracelet for emergency information.
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