HESI RN
HESI Pharmacology Practice Exam
1. A client is prescribed allopurinol (Zyloprim) for chronic gout. Which instruction should the nurse include in the teaching plan?
- A. Take the medication with a full glass of water.
- B. Increase your intake of purine-rich foods.
- C. Stop taking the medication if you experience a gout attack.
- D. Take the medication with or without food.
Correct answer: A
Rationale: The correct instruction for a client prescribed allopurinol (Zyloprim) for chronic gout is to take the medication with a full glass of water. This helps prevent kidney stones which can be a side effect of the medication. It is important for the client to avoid purine-rich foods to help manage gout symptoms. They should continue taking the medication even during a gout attack as prescribed by the healthcare provider. Allopurinol can be taken with or without food, so there is no need to take it on an empty stomach. Therefore, option A is the correct choice. Options B, C, and D are incorrect as increasing purine-rich foods is not recommended, stopping the medication during a gout attack is not advised, and allopurinol can be taken with or without food.
2. A client has a prescription to take guaifenesin (Humibid) every 4 hours, as needed. The nurse determines that the client understands the most effective use of this medication if the client states that he or she will:
- A. Watch for irritability as a side effect.
- B. Take the tablet with a full glass of water.
- C. Take an extra dose if the cough is accompanied by fever.
- D. Crush the sustained-release tablet if immediate relief is needed.
Correct answer: B
Rationale: Guaifenesin is an expectorant used to help loosen mucus and make coughs more productive. Taking it with a full glass of water helps decrease the viscosity of secretions, making it easier to expel mucus from the respiratory tract. It is important not to crush sustained-release tablets, as this can alter the intended release of the medication and lead to potential adverse effects.
3. A client is prescribed nitroglycerin (Nitro-Dur) transdermal patch for angina. Which instruction should the nurse include in the client's teaching plan?
- A. Apply the patch to a hairless area of skin.
- B. Leave the patch on for 24 hours.
- C. Apply the patch at the same time each day.
- D. You can keep the patch on while taking a shower.
Correct answer: C
Rationale: The correct instruction for the nurse to include in the client's teaching plan is to apply the nitroglycerin (Nitro-Dur) transdermal patch at the same time each day. This consistency helps maintain steady blood levels of the medication. While it is important to apply the patch to a hairless area of the skin for proper absorption, it does not necessarily have to be left on for 24 hours; typically, it is worn for 12-14 hours to allow for a nitrate-free period and reduce tolerance. Additionally, the patch can generally be kept on while taking a shower, as water exposure does not typically affect its efficacy.
4. Glimepiride (Amaryl) is prescribed for a client with diabetes mellitus. A healthcare provider reinforces instructions for the client and advises them to avoid which of the following while taking this medication?
- A. Alcohol
- B. Organ meats
- C. Whole-grain cereals
- D. Carbonated beverages
Correct answer: A
Rationale: Alcohol should be avoided when taking glimepiride (Amaryl) because it can cause a disulfiram-like reaction and enhance the hypoglycemic effects of the medication. Consuming alcohol with glimepiride can lead to symptoms such as flushing, palpitations, nausea, and vomiting. Therefore, it is crucial for individuals on glimepiride therapy to steer clear of alcohol to prevent adverse reactions and maintain optimal medication efficacy.
5. 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.
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