ATI RN
ATI Pathophysiology Exam 2
1. A 22-year-old was recently diagnosed with acquired immunodeficiency syndrome (AIDS). Which decreased lab finding would be expected to accompany this virus?
- A. CD4 helper T cells
- B. CD8 helper T cells
- C. CDC cells
- D. CDC10 cells
Correct answer: A
Rationale: In a person diagnosed with AIDS, a decrease in CD4 helper T cells is expected. These cells are critical for the immune system's proper functioning, and their reduction weakens the body's ability to fight infections. CD8 helper T cells (Choice B) are not typically decreased in AIDS. CDC cells (Choice C) and CDC10 cells (Choice D) are not relevant terms in this context, making them incorrect choices.
2. A 45-year-old client is admitted with new-onset status epilepticus. What is the priority nursing intervention?
- A. Administer IV fluids and monitor electrolytes.
- B. Administer antiepileptic medications as prescribed.
- C. Ensure a patent airway and prepare for possible intubation.
- D. Monitor the client for signs of hypotension.
Correct answer: C
Rationale: The correct answer is C. In a client with new-onset status epilepticus, the priority nursing intervention is to ensure a patent airway and prepare for possible intubation. This is crucial to prevent hypoxia and further complications. Administering IV fluids and monitoring electrolytes (choice A) can be important but ensuring airway patency takes precedence. Administering antiepileptic medications (choice B) is essential but only after securing the airway. Monitoring for hypotension (choice D) is also important but not the priority when managing status epilepticus.
3. During admission, 82-year-old Mr. Robeson is brought to the medical-surgical unit for diagnostic confirmation and management of probable delirium. Which statement by the client’s daughter best supports the diagnosis?
- A. “Maybe it’s just caused by aging. This usually happens by age 82.”
- B. “The changes in his behavior came on so quickly! I wasn’t sure what was happening.”
- C. “Dad just didn’t seem to know what he was doing. He would forget what he had for breakfast.”
- D. “Dad has always been so independent. He’s lived alone for years since mom died.”
Correct answer: B
Rationale: The correct answer is B because sudden onset of behavioral changes is a typical symptom of delirium. Delirium is characterized by an acute and fluctuating disturbance in attention, awareness, and cognition. Choice A is incorrect because delirium is not a normal part of aging. Choice C describes memory issues, which can be seen in delirium but are less specific than sudden behavioral changes. Choice D, while it mentions the patient's independence, does not directly support the diagnosis of delirium.
4. The parents of a 4-year-old girl have sought care because their daughter has admitted to chewing and swallowing imported toy figurines that have been determined to be made of lead. Which of the following blood tests should the care team prioritize?
- A. White blood cell levels with differential
- B. Red blood cell levels and morphology
- C. Urea and creatinine levels
- D. Liver function panel
Correct answer: B
Rationale: The correct answer is B: Red blood cell levels and morphology. Lead poisoning primarily affects red blood cells, causing anemia. Therefore, the priority test would be to assess red blood cell levels and morphology. Choice A (White blood cell levels with differential) is incorrect as lead poisoning does not primarily affect white blood cells. Choice C (Urea and creatinine levels) is unrelated to lead poisoning and not a priority in this scenario. Choice D (Liver function panel) is also not the priority as lead poisoning's primary impact is on the red blood cells, not the liver.
5. A patient is prescribed tadalafil (Cialis) for erectile dysfunction. What specific contraindication should the nurse discuss with the patient?
- A. History of hypertension
- B. Use of nitrates
- C. Use of antihypertensive medications
- D. History of peptic ulcer disease
Correct answer: B
Rationale: The correct answer is B: 'Use of nitrates.' Tadalafil (Cialis) is contraindicated in patients taking nitrates due to the risk of severe hypotension. Nitrates and Cialis both cause vasodilation, which can lead to a dangerous drop in blood pressure when used together. Choices A, C, and D are incorrect because a history of hypertension, use of antihypertensive medications, and a history of peptic ulcer disease are not specific contraindications for tadalafil use.
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