a patient has been diagnosed with a fungal infection and is to be treated with itraconazole sporanox prior to administration the nurse notes that the

ATI RN

ATI Pathophysiology Final Exam

1. A patient has been diagnosed with a fungal infection and is to be treated with itraconazole (Sporanox). Prior to administration, the nurse notes that the patient is taking carbamazepine (Tegretol) for a seizure disorder. Based on this medication regime, which of the following will be true regarding the medications?

A. The serum level of carbamazepine will be increased.
B. The patient's carbamazepine should be discontinued.
C. The patient's antiseizure medication should be changed.
D. The patient will require a higher dosage of itraconazole (Sporanox).

Correct answer: A

Rationale: When itraconazole is administered with carbamazepine, itraconazole may increase the serum levels of carbamazepine, potentially leading to toxicity. Therefore, choice A is correct. Discontinuing carbamazepine (choice B) or changing the antiseizure medication (choice C) is not necessary unless advised by a healthcare provider. Choice D, requiring a higher dosage of itraconazole, is not accurate in this scenario.

2. In osteoporosis, what is the expected therapeutic action of raloxifene (Evista)?

A. It decreases bone resorption and increases bone density.
B. It stimulates the formation of new bone.
C. It increases calcium absorption in the intestines.
D. It decreases the excretion of calcium through the kidneys.

Correct answer: A

Rationale: The correct answer is A. Raloxifene works by decreasing bone resorption and increasing bone density. This helps in strengthening bones, reducing the risk of fractures, and improving bone health in patients with osteoporosis. Choice B is incorrect because raloxifene does not directly stimulate the formation of new bone but rather prevents bone loss. Choice C is incorrect as raloxifene does not primarily affect calcium absorption in the intestines. Choice D is also incorrect as raloxifene does not primarily decrease the excretion of calcium through the kidneys.

3. A nurse is conducting an assessment on a client who presents with symptoms that are characteristic of amyotrophic lateral sclerosis (ALS). What assessment finding would be expected in this client?

A. Reduced reflexes in all four limbs
B. Decreased cognitive function
C. Involuntary muscle contractions
D. Hyperreflexia

Correct answer: D

Rationale: The correct answer is D: Hyperreflexia. In amyotrophic lateral sclerosis (ALS), hyperreflexia is a common assessment finding due to the degeneration of upper motor neurons. This results in an overactive reflex response to stimuli. Reduced reflexes in all four limbs (choice A) are not typically seen in ALS; instead, hyperreflexia is more common. Decreased cognitive function (choice B) is not a primary characteristic of ALS. Involuntary muscle contractions (choice C) are more indicative of conditions such as dystonia or myoclonus, not ALS.

4. Which of the following stores electrolytes and acts as an electrolyte pool?

A. Brain - Kidneys
B. Bone - Nails
C. Bone - Liver
D. Liver - Pancreas

Correct answer: B

Rationale: Bones store electrolytes and act as a reservoir, maintaining a balance of essential minerals like calcium and phosphate. The correct pair in this context is 'Bone - Nails.' Choices A, C, and D are incorrect because the brain, kidneys, liver, and pancreas perform other functions in the body and are not primarily responsible for storing electrolytes.

5. A child with a serious fungal infection is receiving amphotericin B parenterally. Which of the following minerals will the patient most likely be required to receive?

A. Chloride
B. Magnesium
C. Glucose
D. Sodium

Correct answer: B

Rationale: When a patient is receiving amphotericin B, which is known to cause renal toxicity, they are most likely to require magnesium supplementation. Amphotericin B can lead to renal loss of magnesium, potassium, and calcium. Magnesium is an essential mineral that plays a vital role in various physiological functions, and its levels need to be monitored and supplemented when necessary. Chloride, glucose, and sodium are not typically supplemented in the context of amphotericin B therapy for a serious fungal infection.