ATI RN
ATI Pathophysiology Exam 2
1. Which of the following describes the damage to the brain that results in cerebral palsy?
- A. Reversible with cognitive therapy in infancy
- B. Transient and resolves in adulthood through physical therapy
- C. Manifests in adulthood after regular childhood activities
- D. Irreversible and occurs before, during, or after birth or infancy
Correct answer: D
Rationale: The correct answer is D. Cerebral palsy involves irreversible damage to the brain that occurs before, during, or shortly after birth, impacting movement and coordination. Choices A, B, and C are incorrect because cerebral palsy is not reversible with cognitive therapy or physical therapy, does not resolve in adulthood, and does not manifest in adulthood after regular childhood activities.
2. A nurse on a postsurgical unit is providing care for a 76-year-old female client who is two days post-hemiarthroplasty (hip replacement) and who states that her pain has been out of control for the last several hours, though she is not exhibiting signs of pain. Which guideline should the nurse use for short-term and long-term treatment of the client's pain?
- A. Pain is what the client says it is, even if she is not exhibiting outward signs.
- B. Pain should be treated only when it is associated with observable symptoms.
- C. Long-term opioid use is generally safe for elderly clients in a hospital setting.
- D. The client's pain should be reassessed after every dose of pain medication.
Correct answer: A
Rationale: Pain is a subjective experience, and the client's report of pain should be taken seriously even if there are no outward signs. Choice B is incorrect because pain can be present without observable symptoms, and waiting for observable signs may delay appropriate pain management. Choice C is incorrect because the safety of long-term opioid use in elderly clients is a complex issue and should be carefully evaluated due to the risk of adverse effects. Choice D is incorrect because while pain reassessment is important, it should not be limited to just after medication administration but should occur regularly to ensure adequate pain control.
3. After studying about fungi, which information indicates a correct understanding of fungi? Fungi causing deep or systemic infections:
- A. Are easily treated with penicillin
- B. Are extremely rare
- C. Never occur with other infections
- D. Are commonly opportunistic
Correct answer: D
Rationale: The correct answer is D: 'Are commonly opportunistic.' Fungi causing deep or systemic infections are commonly opportunistic, particularly in individuals with compromised immune systems. Choice A is incorrect because fungi infections are not easily treated with penicillin. Choice B is incorrect as deep or systemic fungal infections are not extremely rare. Choice C is incorrect as fungal infections can co-occur with other infections.
4. A patient who is undergoing treatment for cytomegalovirus received his first dose of IV ganciclovir 3 days ago. When reviewing this patient's most recent blood work, what abnormality should the nurse most likely attribute to the use of this drug?
- A. Hemoglobin 17 g/dL (high normal)
- B. INR 3.8 (high)
- C. Platelet count 118,000/mm3 (low)
- D. Leukocytes 11,900/mm3 (high)
Correct answer: C
Rationale: The correct answer is C: Platelet count 118,000/mm3 (low). Ganciclovir, used to treat cytomegalovirus, is known to cause bone marrow suppression, leading to decreased platelet count (thrombocytopenia). This condition can increase the risk of bleeding. Choices A, B, and D are not typically associated with ganciclovir therapy. High hemoglobin levels (choice A) are not commonly seen with ganciclovir treatment. INR elevation (choice B) is associated with coagulation abnormalities, which are not a typical side effect of ganciclovir. Elevated leukocyte count (choice D) is not a common consequence of ganciclovir use.
5. What is the pathophysiologic process responsible for the decreased glomerular filtration rate in a patient with acute glomerulonephritis?
- A. Decreased renal-induced constriction of the renal arteries
- B. Immune complex deposition, increased capillary permeability, and cellular proliferation
- C. Necrosis of 70% or more of the nephrons secondary to increased kidney interstitial hydrostatic pressure
- D. Scar tissue formation throughout the proximal convoluted tubule secondary to toxin-induced collagen synthesis
Correct answer: B
Rationale: The correct answer is B: Immune complex deposition, increased capillary permeability, and cellular proliferation. Acute glomerulonephritis is characterized by inflammation of the glomeruli in the kidneys. This inflammation leads to the deposition of immune complexes, increased capillary permeability, and cellular proliferation, which collectively contribute to a decreased glomerular filtration rate. Choice A is incorrect as decreased renal-induced constriction of the renal arteries would not directly result in decreased glomerular filtration rate. Choice C is incorrect as necrosis of nephrons due to increased kidney interstitial hydrostatic pressure would affect kidney function differently. Choice D is incorrect as scar tissue formation in the proximal convoluted tubule due to toxin-induced collagen synthesis is not a typical feature of acute glomerulonephritis.
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