ATI RN
ATI Pathophysiology Exam 1
1. A nurse is caring for a patient who is being treated with clomiphene citrate (Clomid) for infertility. What side effect should the nurse warn the patient about?
- A. Headaches and visual disturbances
- B. Nausea and vomiting
- C. Hot flashes and abdominal discomfort
- D. Fatigue and depression
Correct answer: C
Rationale: The correct answer is C: 'Hot flashes and abdominal discomfort.' Clomiphene citrate, commonly known as Clomid, can lead to hot flashes and abdominal discomfort as side effects. It is important for the nurse to warn the patient about these potential effects. Choices A, B, and D are incorrect because headaches and visual disturbances, nausea and vomiting, as well as fatigue and depression are not commonly associated with clomiphene citrate use.
2. What is the primary cause of primary hypercholesteremia?
- A. High-density lipoprotein (HDL) defects
- B. Monogenic mutations, sedentary lifestyle, and high cholesterol diet
- C. Polygenic mutations and environmental factors
- D. Low-density lipoprotein (LDL) receptor mutation with defects in breakdown
Correct answer: D
Rationale: The correct answer is 'Low-density lipoprotein (LDL) receptor mutation with defects in breakdown.' Primary hypercholesteremia is mainly caused by mutations in the LDL receptor, leading to impaired clearance of LDL cholesterol from the blood. This results in high levels of LDL cholesterol in the bloodstream. Choices A, B, and C are incorrect because they do not directly relate to the primary cause of primary hypercholesteremia.
3. What is reperfusion injury?
- A. Healing bone tissue after fracture
- B. Skin wound tunneling and shear
- C. Secondary injury after reestablishing blood flow
- D. Injury after blood transfusion
Correct answer: C
Rationale: Reperfusion injury refers to the secondary injury that occurs after blood flow is reestablished following ischemia. This process leads to tissue damage due to the sudden reintroduction of oxygen and nutrients, causing oxidative stress, inflammation, and cell death. Choice A is incorrect as it describes the normal healing process of bone tissue after a fracture. Choice B is incorrect as it describes specific mechanisms related to skin wounds, not reperfusion injury. Choice D is incorrect as it refers to a different concept, which is adverse reactions or complications that can occur after a blood transfusion, not reperfusion injury.
4. 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.
5. A patient is taking raloxifene (Evista) for osteoporosis. What is the primary therapeutic effect of this medication?
- A. It stimulates the formation of new bone.
- B. It decreases bone resorption and increases bone density.
- C. It increases the excretion of calcium through the kidneys.
- D. It increases calcium absorption in the intestines.
Correct answer: B
Rationale: The correct answer is B. Raloxifene, a selective estrogen receptor modulator (SERM), primarily works by decreasing bone resorption and increasing bone density. This mechanism of action helps in the prevention and treatment of osteoporosis by maintaining or improving bone strength. Choice A is incorrect because raloxifene does not directly stimulate the formation of new bone but rather helps in preserving existing bone. Choice C is incorrect because raloxifene does not increase the excretion of calcium through the kidneys; instead, it acts on bone tissue. Choice D is incorrect as raloxifene does not directly increase calcium absorption in the intestines but rather focuses on bone health.
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