ATI RN
WGU Pathophysiology Final Exam
1. A patient with systemic candidiasis has been prescribed flucytosine. The nurse should be aware of the need to administer this drug with which of the following?
- A. Vitamin D and calcium supplements
- B. Fluconazole (Diflucan)
- C. Amphotericin B
- D. Penicillin G
Correct answer: C
Rationale: The correct answer is C: Amphotericin B. When treating systemic candidiasis, Amphotericin B is the drug of choice, not flucytosine. Amphotericin B is an antifungal medication used to treat severe fungal infections like systemic candidiasis. Choices A, B, and D are incorrect because vitamin D and calcium supplements, fluconazole, and penicillin G are not the drugs of choice for treating systemic candidiasis.
2. A patient presents with a sudden onset of severe chest pain radiating to his back. His blood pressure is significantly higher in the right arm than in the left arm. Which of the following conditions is most likely?
- A. Acute myocardial infarction
- B. Pulmonary embolism
- C. Aortic dissection
- D. Pericarditis
Correct answer: C
Rationale: The correct answer is C, aortic dissection. Aortic dissection is characterized by sudden, severe chest pain that can radiate to the back. The discrepancy in blood pressure between the arms (higher in the right arm) is known as a 'pulse deficit' and is a classic finding in aortic dissection. This condition involves a tear in the inner layer of the aorta, leading to the abnormal flow of blood within the aortic wall. Acute myocardial infarction (choice A) presents with chest pain but typically does not cause discrepancies in blood pressure between arms. Pulmonary embolism (choice B) usually presents with chest pain and difficulty breathing but does not cause unequal blood pressures in the arms. Pericarditis (choice D) can cause chest pain exacerbated by breathing or lying down, but it does not typically lead to differences in blood pressure between arms.
3. What should the nurse teach the boy about anabolic steroid abuse?
- A. The ability of anabolic steroids to build muscle is greatly exaggerated in the media.
- B. Anabolic steroids are universally dangerous but are especially harmful to adolescents.
- C. The muscle mass resulting from steroid use will atrophy unless doses are continually increased.
- D. Anabolic steroids will reduce the boy's ability to perform weight-bearing exercise later in life.
Correct answer: B
Rationale: The correct answer is B because anabolic steroids are indeed universally dangerous, but they pose greater risks to adolescents due to their impact on growth and development. Choice A is incorrect because anabolic steroids do have the potential to build muscle mass, though not to the extent often portrayed in the media. Choice C is incorrect as muscle mass gained from steroid use may persist for a period even after discontinuation. Choice D is incorrect as anabolic steroids can enhance muscle performance initially, though long-term use can have adverse effects on health and not specifically on the ability to perform weight-bearing exercises.
4. A 43-year-old man has tested positive for systemic candidiasis, and the care team has decided on IV fluconazole as a first-line treatment. When administering this medication, the nurse should
- A. administer the drug with lactated Ringer's.
- B. infuse the drug no faster than 200 mg/h.
- C. avoid administering the drug through a peripheral IV.
- D. administer prophylactic heparin prior to the fluconazole.
Correct answer: C
Rationale: When administering IV fluconazole, the nurse should avoid administering the drug through a peripheral IV. Fluconazole is known to cause phlebitis and tissue irritation if infused through a peripheral IV line. It is recommended to administer fluconazole through a central venous catheter to reduce the risk of complications. Choices A, B, and D are incorrect as there is no specific recommendation to administer the drug with lactated Ringer's, infuse it at a particular rate, or administer prophylactic heparin prior to fluconazole in this scenario.
5. A male patient is being treated with testosterone gel for hypogonadism. What important instruction should the nurse provide regarding the application of this medication?
- A. Apply the gel to the chest or upper arms.
- B. Apply the gel to the lower abdomen or thighs.
- C. Apply the gel to the face and neck.
- D. Apply the gel to the scalp and back.
Correct answer: A
Rationale: The correct answer is to apply the testosterone gel to the chest or upper arms. This is important to minimize the risk of transfer to others. Applying the gel to the lower abdomen, thighs, face, or neck can increase the risk of transfer to others, especially women and children who should avoid contact with testosterone gel. Applying it to the scalp and back is not recommended as these areas are not suitable for absorption of the medication.
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