HESI LPN
HESI Practice Test Pharmacology
1. A client with bipolar disorder is taking lithium. Which client assessment data would indicate a potential adverse effect of lithium therapy?
- A. Increased appetite
- B. Dry mouth and increased thirst
- C. Tremors and polyuria
- D. Constipation
Correct answer: B
Rationale: When assessing a client taking lithium, dry mouth and increased thirst are indicators of potential adverse effects. Lithium can lead to nephrogenic diabetes insipidus, causing polyuria and subsequent increased thirst due to impaired water reabsorption in the kidneys. Tremors can also be a sign of lithium toxicity. Monitoring and recognizing these symptoms are crucial in managing lithium therapy and preventing further complications.
2. The healthcare provider notes that a client has a new prescription for 20 mEq of potassium. The IV site is inflamed but not tender, and has a blood flashback. What action should the healthcare provider take?
- A. Obtain a liter of normal saline with 20 mEq of KCl
- B. Contact the healthcare provider to clarify the prescription
- C. Withhold the prescription medication until a new IV is started
- D. Fax the prescription to the pharmacy for immediate dispensing
Correct answer: B
Rationale: The healthcare provider should contact the prescriber to clarify the prescription because an inflamed IV site may indicate potential issues with administering the medication. It is important to ensure that the prescription is appropriate and safe for the client before proceeding with administration. Option A is incorrect because administering potassium through an inflamed IV site can lead to further complications. Option C is not the best course of action as clarifying the prescription first is essential. Option D is also incorrect as the focus should be on ensuring the safety of the client before dispensing the medication.
3. A client who is prescribed sildenafil for pulmonary hypertension calls the clinic for advice. Which condition should the practical nurse notify the health care provider immediately and instruct the client to stop taking the medication?
- A. The client is experiencing vision and hearing loss.
- B. The client has an erection lasting longer than 4 hours.
- C. The client is complaining of nasal congestion.
- D. The client is complaining of feeling flushed.
Correct answer: A
Rationale: The correct answer is A. If a client prescribed sildenafil for pulmonary hypertension experiences vision and/or hearing loss or an erection lasting more than 4 hours, the practical nurse should instruct the client to discontinue the medication immediately and notify the health care provider. These symptoms could indicate serious side effects that require prompt medical attention to prevent complications. Choices B, C, and D are incorrect because an erection lasting more than 2 hours (not 4 hours as stated in choice B) is a critical adverse effect that warrants immediate medical attention. Nasal congestion (choice C) and feeling flushed (choice D) are common side effects of sildenafil and typically do not necessitate immediate discontinuation of the medication or emergency intervention.
4. A client who is newly diagnosed with erosive esophagitis secondary to GERD experiences symptoms after taking lansoprazole PO for one full week. Which actions should the nurse take?
- A. Confirm that the client is taking the medication correctly
- B. Auscultate the client's bowel sounds and assess the apical pulse
- C. Advise the client that healing typically takes several weeks
- D. Notify the healthcare provider to consider a higher dose
Correct answer: C
Rationale: The correct action for the nurse to take in this situation is to advise the client that healing from erosive esophagitis typically takes several weeks. Providing this information helps manage the client's expectations and anxiety about treatment effectiveness. It is not necessary to confirm medication timing, assess bowel sounds, or measure the apical pulse at this point. Since symptoms persist after one week of lansoprazole, it may not be appropriate to immediately escalate to a higher dose without further assessment or guidance from the healthcare provider. Auscultating bowel sounds and assessing the apical pulse are not relevant to the client's symptoms related to erosive esophagitis and GERD.
5. A client with a history of chronic obstructive pulmonary disease (COPD) is prescribed salmeterol. The nurse should monitor for which potential side effect?
- A. Dry mouth
- B. Tachycardia
- C. Insomnia
- D. Increased appetite
Correct answer: A
Rationale: The correct answer is dry mouth. Salmeterol, a long-acting beta agonist used in COPD, can lead to dry mouth as a common side effect. Nurses should monitor for this side effect and advise clients to report it if it becomes bothersome.
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