HESI RN
Pharmacology HESI Quizlet
1. When monitoring a client for acute toxicity associated with bethanechol chloride (Urecholine), what sign should the nurse check for to indicate toxicity?
- A. Dry skin
- B. Dry mouth
- C. Bradycardia
- D. Signs of dehydration
Correct answer: C
Rationale: The correct answer is C: Bradycardia. Toxicity from bethanechol chloride (Urecholine) can lead to excessive muscarinic stimulation, resulting in manifestations like salivation, sweating, involuntary urination and defecation, bradycardia, and severe hypotension. When facing toxicity, treatment involves supportive measures and administering atropine sulfate subcutaneously or intravenously.
2. A child is hospitalized with a diagnosis of lead poisoning. The healthcare provider assisting in caring for the child would prepare to assist in administering which of the following medications?
- A. Activated charcoal
- B. Sodium bicarbonate
- C. Syrup of ipecac
- D. Dimercaprol (BAL in Oil)
Correct answer: D
Rationale: Dimercaprol (BAL in Oil) is a chelating agent indicated for lead poisoning. It works by binding to lead and facilitating its removal from the body. Activated charcoal is used for certain types of poisoning by adsorbing toxins, while sodium bicarbonate can be used to treat acidosis. Syrup of ipecac is no longer recommended for poison treatment due to potential risks.
3. The client with acute myelocytic leukemia is being treated with busulfan (Myleran). Which laboratory value should the nurse specifically monitor during treatment with this medication?
- A. Clotting time
- B. Uric acid level
- C. Potassium level
- D. Blood glucose level
Correct answer: B
Rationale: The correct answer is B, Uric acid level. Busulfan can cause an increase in uric acid levels, leading to hyperuricemia, renal stones, and acute renal failure. Monitoring uric acid levels is crucial to detect and manage potential complications associated with busulfan therapy.
4. Carbamazepine (Tegretol) is prescribed for a client with a diagnosis of psychomotor seizures. The nurse reviews the client's health history, knowing that this medication is contraindicated if which of the following disorders is present?
- A. Headaches
- B. Liver disease
- C. Hypothyroidism
- D. Diabetes mellitus
Correct answer: B
Rationale: Carbamazepine (Tegretol) is contraindicated in liver disease due to its potential to cause hepatic toxicity. Regular monitoring of liver function tests is necessary when using this medication to detect any signs of liver damage.
5. The healthcare provider prescribes exenatide (Byetta) for a client with type 1 diabetes mellitus who takes insulin. What is the appropriate intervention for the nurse?
- A. Administer the medication within 60 minutes before the morning and evening meal.
- B. Withhold the medication and question the prescription with the healthcare provider.
- C. Monitor the client for gastrointestinal side effects after administration of the medication.
- D. Withdraw the insulin from the Penlet into an insulin syringe to prepare for administration.
Correct answer: B
Rationale: Exenatide (Byetta) is specifically indicated for the treatment of type 2 diabetes mellitus and is not recommended for clients with type 1 diabetes mellitus who are taking insulin. Choice A is incorrect because exenatide should not be administered to a client with type 1 diabetes mellitus who takes insulin. Choice C is not the most appropriate initial action when the prescription is not suitable for the client. Choice D is unrelated to the administration of exenatide. Therefore, the appropriate intervention for the nurse is to withhold the medication and question the prescription with the healthcare provider to ensure the safety and appropriateness of the treatment plan for the client.
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