a client who is in the rehabilitation facility with newly diagnosed parkinsons disease pd has levodopa carbidopa prescribed during the care planning s
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HESI LPN

HESI Practice Test Pharmacology

1. A client who is in the rehabilitation facility with newly diagnosed Parkinson's disease (PD) has levodopa-carbidopa prescribed. During the care planning session for this client, the nurse discusses which aspects with the other members of the health care team? (Select all that apply.)

Correct answer: D

Rationale: Levodopa-carbidopa is a medication commonly used in the treatment of Parkinson's disease (PD). It can cause side effects such as hypotension with sudden position changes. To assist the client in managing this side effect, the physical therapy assistant can help avoid sudden position changes. Additionally, if insomnia occurs, adjusting the timing of the last dose earlier in the day can be beneficial. It is important to note that drowsiness can also be a side effect of the medication and should be reported to the nurse. Foods high in Vitamin B6 can interfere with the absorption of levodopa-carbidopa; hence, it is advisable to avoid increasing the consumption of such foods. Lastly, it is crucial to remind the team that while this medication helps alleviate symptoms like tremors, it may not relieve all symptoms of PD comprehensively.

2. How does omeprazole work in treating a peptic ulcer?

Correct answer: D

Rationale: Omeprazole is a proton pump inhibitor that works by reducing gastric acid secretion. By inhibiting the enzyme responsible for pumping acid into the stomach, omeprazole helps decrease the acidity level in the stomach, providing relief from peptic ulcers. Option A is incorrect because omeprazole does not increase gastric acid production; instead, it decreases it. Option B is incorrect as omeprazole does not neutralize existing stomach acid but rather reduces its secretion. Option C is incorrect as omeprazole does not coat the stomach lining but acts on reducing acid secretion.

3. A client with chronic pain is prescribed oxycodone. What instruction should the practical nurse (PN) include in the client's teaching plan?

Correct answer: B

Rationale: The correct answer is to instruct the client to avoid taking oxycodone with alcohol. Mixing oxycodone with alcohol can lead to serious side effects, including respiratory depression. Taking the medication with meals may not always be necessary, and instructions about fluid intake to avoid constipation are important but not the priority when considering the immediate risks associated with oxycodone. While reporting signs of respiratory depression is crucial, preventing it by avoiding alcohol is key in the client's safety.

4. A client with multiple sclerosis starts a new prescription, baclofen, to control muscle spasticity. Three days later, the client calls the clinic nurse and reports feeling fatigued and dizzy. Which instruction should the nurse provide?

Correct answer: A

Rationale: The correct instruction for the nurse to provide is to advise the client to avoid hazardous activities until the symptoms of fatigue and dizziness subside. These side effects can impair the client's ability to engage in activities that require alertness and coordination, posing a risk for accidents. Contacting the healthcare provider immediately may not be necessary unless the symptoms worsen or persist. Continuing to take the medication every day without addressing the side effects can lead to further complications. Stopping the medication abruptly without healthcare provider guidance can also be risky and may not be necessary if the symptoms improve with time.

5. A client is prescribed an antacid for the treatment of peptic ulcer disease. What is the action of this medication that is effective in treating the client's ulcer?

Correct answer: C

Rationale: The correct answer is C. Antacids work by neutralizing gastric acids and maintaining a gastric pH of 3.5 or above. This pH level is crucial to prevent the activation of pepsinogen, a precursor to pepsin, which can further damage the ulcer. Choice A is incorrect because antacids do not directly decrease the production of gastric secretions; they neutralize existing acid. Choice B is incorrect as antacids do not form a physical barrier over the ulcer but rather neutralize the acid around it. Choice D is also incorrect as antacids do not affect gastric motor activity but focus on reducing acidity in the stomach.

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