ATI RN
ATI Pathophysiology Exam 1
1. Cushing syndrome is characterized by which disorder?
- A. Hypocortisolism
- B. Exophthalmos
- C. Hypercortisolism
- D. Hyperpigmentation
Correct answer: C
Rationale: Cushing syndrome is characterized by hypercortisolism, which is an excessive amount of cortisol in the body. Choice A, 'Hypocortisolism,' is incorrect as Cushing syndrome is associated with elevated cortisol levels. Choice B, 'Exophthalmos,' refers to bulging eyes and is not a characteristic feature of Cushing syndrome. Hyperpigmentation, as mentioned in choice D, can be present in Cushing syndrome due to increased ACTH levels stimulating melanocytes, but it is not the defining characteristic of the syndrome.
2. A male patient with erectile dysfunction has asked for a prescription for sildenafil (Viagra). Before giving this medication, the nurse should assess for which of the following conditions?
- A. History of peptic ulcer disease
- B. Use of nitrates
- C. Recent history of a stroke
- D. History of hypertension
Correct answer: B
Rationale: The correct answer is B: Use of nitrates. Sildenafil should not be used by patients taking nitrates due to the risk of severe hypotension. Nitrates can potentiate the hypotensive effects of sildenafil, leading to a significant drop in blood pressure. Assessing for the use of nitrates is crucial to avoid this potentially dangerous interaction. Choices A, C, and D are incorrect because they are not specifically contraindications for the use of sildenafil. While a history of hypertension should be considered, it is not as critical as the use of nitrates when prescribing sildenafil.
3. Mrs. Jordan is an elderly client diagnosed with Alzheimer’s disease. She becomes agitated and combative when a nurse approaches to help with morning care. The most appropriate nursing intervention in this situation would be to:
- A. tell the client firmly that it is time to get dressed.
- B. obtain assistance to restrain the client for safety.
- C. remain calm and talk quietly to the client.
- D. call the doctor and request an order for sedation.
Correct answer: C
Rationale: When dealing with an elderly client with Alzheimer’s disease who is agitated and combative, the most appropriate nursing intervention is to remain calm and talk quietly to the client. This approach can help soothe the client and prevent escalating the situation. Choice A is incorrect as being firm may further agitate the client. Choice B is inappropriate as restraining should only be used as a last resort for safety reasons and after other de-escalation techniques have been attempted. Choice D is not the best initial intervention and should only be considered after other non-pharmacological interventions have failed.
4. Which term should the nurse use to document a situation in which cells increase in size and function?
- A. Atrophy
- B. Hypertrophy
- C. Metaplasia
- D. Hyperplasia
Correct answer: B
Rationale: Hypertrophy is the correct term used to describe the situation in which cells increase in size and function. Atrophy (Choice A) is the opposite, indicating a decrease in cell size. Metaplasia (Choice C) refers to the reversible replacement of one mature cell type by another. Hyperplasia (Choice D) involves an increase in the number of cells, not just an increase in size and function as in hypertrophy.
5. A 60-year-old male patient presents with severe and persistent pain in his left leg and hip that worsens with activity. After further evaluation, the patient is diagnosed with osteosarcoma. Which of the following is true about osteosarcoma?
- A. It is more common in children and young adults.
- B. Early diagnosis improves the prognosis.
- C. It is frequently located in the leg bones.
- D. All of the above are true.
Correct answer: D
Rationale: Osteosarcoma is a type of bone cancer that can be found in any bone but is most commonly located in the long bones of the legs. While it is more prevalent in children and young adults, it can also occur in older individuals like the 60-year-old male patient in this case. Early diagnosis is crucial for a better prognosis in osteosarcoma cases. Therefore, all the statements provided are true regarding osteosarcoma, making option D the correct answer. Option A is accurate as osteosarcoma is more common in children and young adults. Option B is correct as early diagnosis improves the prognosis. Option C is accurate as osteosarcoma is frequently located in the leg bones.
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