HESI LPN
Pharmacology HESI 2023 Quizlet
1. A client with a history of heart failure is prescribed spironolactone. The nurse should monitor for which potential side effect?
- A. Hyperkalemia
- B. Hypokalemia
- C. Hyponatremia
- D. Hypernatremia
Correct answer: A
Rationale: The correct answer is A: Hyperkalemia. Spironolactone is a potassium-sparing diuretic, which can lead to an excess of potassium in the body, causing hyperkalemia. This medication inhibits the action of aldosterone, leading to decreased potassium excretion and potential retention. Monitoring potassium levels is essential to prevent complications such as cardiac arrhythmias, especially in clients with heart failure.
2. A patient is prescribed sucralfate (Carafate) and asks the nurse what the purpose of taking this medication is. Which is the nurse's best response?
- A. The medication helps reduce bacteria levels in the stomach
- B. The medication helps neutralize gastric acid in the stomach
- C. The medication is used to protect the gastrointestinal mucosa
- D. The medication can reduce the patient's constipation
Correct answer: C
Rationale: The correct answer is C. Sucralfate (Carafate) is used to protect the gastrointestinal mucosa by forming a protective barrier over ulcers. This barrier helps prevent stomach acid from further damaging the ulcers and promotes healing. It does not directly reduce bacteria levels, neutralize gastric acid, or have a direct effect on constipation.
3. A client with asthma is prescribed montelukast. The nurse should instruct the client that this medication is used for which purpose?
- A. Immediate relief of acute asthma attacks
- B. Long-term control of asthma symptoms
- C. Treatment of exercise-induced bronchospasm
- D. Immediate relief of allergic rhinitis symptoms
Correct answer: B
Rationale: Montelukast is a leukotriene receptor antagonist used for the long-term control of asthma symptoms by reducing inflammation in the airways. It is not typically used for immediate relief during acute asthma attacks, where short-acting bronchodilators are more appropriate. Montelukast does not specifically target exercise-induced bronchospasm or allergic rhinitis symptoms. Therefore, the correct answer is B. Choice A is incorrect because montelukast is not for immediate relief of acute asthma attacks. Choice C is incorrect as montelukast is not primarily used to treat exercise-induced bronchospasm. Choice D is incorrect because montelukast is not indicated for immediate relief of allergic rhinitis symptoms.
4. A client with a diagnosis of generalized anxiety disorder is prescribed lorazepam. The client should be informed that this medication may have which potential side effect?
- A. Drowsiness
- B. Dry mouth
- C. Nausea
- D. Headache
Correct answer: A
Rationale: The correct answer is A: Drowsiness. Lorazepam, a medication commonly used to treat anxiety disorders, can lead to drowsiness as a common side effect. It is important for clients to be aware of this potential effect, and they should be advised to avoid activities like driving until they understand how the medication affects them. Dry mouth, nausea, and headache are possible side effects of other medications but are less commonly associated with lorazepam.
5. A client who is obtunded arrives in the emergency center with a suspected drug overdose. Intravenous naloxone is given, but within a short period, the client's level of consciousness deteriorates. What action should the nurse take first?
- A. Initiate a second intravenous access site
- B. Prepare to initiate cardiopulmonary resuscitation
- C. Determine the results of the drug toxicity screen
- D. Administer an additional dose of naloxone
Correct answer: D
Rationale: Administering an additional dose of naloxone should be the first action taken by the nurse in this scenario. Naloxone is an opioid antagonist used to reverse the effects of opioid overdose. If the client's level of consciousness deteriorates after the initial dose, administering another dose can help further reverse the overdose effects and improve the client's condition. Once the additional naloxone dose is given, the nurse can then proceed to assess the client's response and consider other interventions as needed.
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