HESI RN
Pharmacology HESI
1. 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.
2. During an admission assessment, a client informs the nurse that they take propylthiouracil (PTU) daily. Based on this information, the nurse suspects that the client has a history of:
- A. Myxedema
- B. Graves' disease
- C. Addison's disease
- D. Cushing's syndrome
Correct answer: B
Rationale: Propylthiouracil (PTU) is a medication commonly used to treat hyperthyroidism, including Graves' disease, which is characterized by an overactive thyroid gland. The client mentioning the daily use of PTU indicates that they likely have a history of Graves' disease, as this medication helps manage the condition by reducing the production of thyroid hormones. Therefore, the correct answer is B: Graves' disease. Choice A, Myxedema, is incorrect as it refers to a condition of severe hypothyroidism, the opposite of hyperthyroidism. Choices C and D, Addison's disease and Cushing's syndrome, respectively, are unrelated to the use of PTU or hyperthyroidism, making them incorrect choices.
3. A client is being educated about the use of levodopa-carbidopa (Sinemet) for Parkinson's disease. Which statement by the client indicates a need for further teaching?
- A. I should avoid taking the medication with a high-protein meal.
- B. I may experience dizziness when getting up quickly.
- C. I might notice a darkening of my urine.
- D. I should report any uncontrolled movements to my healthcare provider.
Correct answer: A
Rationale: The correct answer is A. Levodopa-carbidopa (Sinemet) should not be taken with a high-protein meal as protein can interfere with the absorption of the medication. It is recommended to take it on an empty stomach or with a light meal. Choices B, C, and D are accurate statements regarding potential side effects and actions to take while on levodopa-carbidopa therapy, indicating a good understanding by the client.
4. A client with a prescription to take theophylline (Theo-24) daily has been given medication instructions by the nurse. The nurse determines that the client needs further information about the medication if the client states that he or she will:
- A. Drink at least 2 L of fluid per day.
- B. Take the daily dose at bedtime.
- C. Avoid changing brands of the medication without health care provider (HCP) approval.
- D. Avoid over-the-counter (OTC) cough and cold medications unless approved by the HCP.
Correct answer: B
Rationale: The correct answer is B. Taking theophylline at bedtime is inappropriate because it can cause insomnia. The medication should be taken early in the morning to avoid disrupting sleep patterns. It is important to follow the healthcare provider's instructions regarding the timing of the medication to achieve optimal therapeutic effects.
5. 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.
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