HESI RN
HESI Pharmacology Quizlet
1. Oral iron supplements are prescribed for a 6-year-old child with iron deficiency anemia. The nurse instructs the mother to administer the iron with which of the following food items?
- A. Milk
- B. Water
- C. Apple juice
- D. Orange juice
Correct answer: D
Rationale: Iron absorption is enhanced by the presence of vitamin C. Orange juice is a good source of vitamin C, which can improve the absorption of iron when taken together. Therefore, administering iron supplements with orange juice is the best choice to optimize iron absorption for the child.
2. A client with hyperlipidemia is prescribed atorvastatin (Lipitor). Which instruction should the nurse include in the teaching plan?
- A. Take the medication in the morning.
- B. Avoid consuming grapefruit juice.
- C. Increase your intake of dairy products.
- D. Take the medication with food.
Correct answer: B
Rationale: The correct instruction for the nurse to include in the teaching plan is to advise the client to avoid consuming grapefruit juice. Grapefruit juice can increase the risk of atorvastatin (Lipitor) toxicity by inhibiting its metabolism. Atorvastatin is typically taken in the evening as cholesterol synthesis occurs at night. Increasing dairy intake is not specifically recommended for atorvastatin therapy, and the medication can be taken with or without food.
3. A client with type 2 diabetes mellitus is prescribed metformin (Glucophage). Which instruction should the nurse include in the teaching plan?
- A. Take the medication with meals.
- B. Monitor for signs of hypoglycemia.
- C. Avoid alcohol while taking this medication.
- D. Take the medication at bedtime.
Correct answer: C
Rationale: Clients taking metformin (Glucophage) should avoid alcohol as it can increase the risk of lactic acidosis. Metformin should be taken with meals to reduce gastrointestinal upset. While hypoglycemia is less common with metformin compared to other diabetes medications, clients should still be aware of its symptoms.
4. The client has a PRN prescription for loperamide hydrochloride (Imodium). The nurse understands that this medication is used for which condition?
- A. Constipation
- B. Abdominal pain
- C. An episode of diarrhea
- D. Hematest-positive nasogastric tube drainage
Correct answer: C
Rationale: Loperamide hydrochloride (Imodium) is an antidiarrheal medication commonly used to manage episodes of diarrhea. It works by slowing down gut movement and reducing the frequency of bowel movements. Loperamide is not indicated for constipation, abdominal pain, or hematest-positive nasogastric tube drainage. It is specifically useful in acute and chronic diarrhea, such as in cases of inflammatory bowel disease, to help control symptoms and decrease fluid loss.
5. A healthcare professional prepares to administer sodium polystyrene sulfonate (Kayexalate) to a client. Before administering the medication, the professional reviews the action of the medication and understands that it:
- A. Releases bicarbonate in exchange for primarily sodium ions
- B. Releases sodium ions in exchange for primarily potassium ions
- C. Releases potassium ions in exchange for primarily sodium ions
- D. Releases sodium ions in exchange for primarily bicarbonate ions
Correct answer: B
Rationale: Sodium polystyrene sulfonate, such as Kayexalate, is a cation exchange resin that functions by releasing sodium ions in exchange for primarily potassium ions. This medication is commonly used to treat hyperkalemia, a condition characterized by elevated levels of potassium in the blood.
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