ATI RN
ATI Pathophysiology Exam 1
1. What best describes sepsis?
- A. An overwhelming allergic reaction
- B. Severe inflammatory response to a pathogen's endotoxins
- C. Unknown causes resulting in hypertension
- D. Poor nursing and health care provider interventions
Correct answer: B
Rationale: The correct answer is B. Sepsis is a severe inflammatory response to a pathogen's endotoxins, leading to widespread infection and organ dysfunction. Choice A is incorrect as sepsis is not primarily an allergic reaction. Choice C is incorrect as sepsis is not characterized by unknown causes resulting in hypertension. Choice D is incorrect as sepsis is a medical condition and not solely caused by poor nursing or healthcare provider interventions.
2. A patient with a history of osteoporosis is prescribed raloxifene (Evista). What is the primary therapeutic action of this medication?
- A. It stimulates the formation of new bone.
- B. It decreases bone resorption and increases bone density.
- C. It increases calcium absorption in the intestines.
- D. It increases the excretion of calcium through the kidneys.
Correct answer: B
Rationale: The correct answer is B: 'It decreases bone resorption and increases bone density.' Raloxifene, as a selective estrogen receptor modulator (SERM), works by reducing bone resorption (breakdown) and maintaining or increasing bone density. This mechanism helps in preventing further bone loss and can even increase bone mass. Choices A, C, and D are incorrect. Raloxifene does not stimulate the formation of new bone (choice A), increase calcium absorption in the intestines (choice C), or increase the excretion of calcium through the kidneys (choice D).
3. A man with gout has developed large, hard nodules around his toes and elbows. The phase of gout he is in is:
- A. asymptomatic
- B. acute flare
- C. the intercritical period
- D. chronic gout
Correct answer: D
Rationale: The correct answer is 'chronic gout.' Chronic gout is characterized by the presence of tophi, which are large, hard nodules that can develop around joints like toes and elbows. These tophi are a sign of longstanding, untreated gout. Choice A, 'asymptomatic,' is incorrect as the presence of tophi indicates a symptomatic phase. Choice B, 'acute flare,' is incorrect as acute flares are characterized by sudden and severe pain, inflammation, and redness in the joints, not the development of tophi. Choice C, 'the intercritical period,' is also incorrect as this phase occurs between acute attacks and is typically asymptomatic, without the presence of tophi.
4. A client is brought to the emergency department after a motor vehicle accident in which she suffered a spinal cord injury at the level of C5. Which of the following assessments should be the priority?
- A. Monitoring urinary output
- B. Monitoring heart rate and rhythm
- C. Monitoring respiratory rate
- D. Monitoring the client's pain levels
Correct answer: B
Rationale: The correct answer is monitoring heart rate and rhythm. With a C5 spinal cord injury, monitoring heart rate and rhythm is crucial as it can impact autonomic regulation. This level of injury can affect cardiac function due to the disruption of sympathetic nerve fibers. Monitoring urinary output may be important to assess for urinary retention, but it is not the priority in this scenario. While monitoring respiratory rate is essential in all patients, in this case, cardiovascular stability takes precedence. Pain management is important but is not the priority when assessing a client with a C5 spinal cord injury.
5. While planning care for an elderly patient, the nurse remembers that increased age is associated with:
- A. Increased T cell function
- B. Increased immune function
- C. Increased production of antibodies
- D. Increased levels of circulating autoantibodies
Correct answer: D
Rationale: As individuals age, their immune function tends to decrease, making them more susceptible to infections and diseases. Additionally, increased age is associated with higher levels of circulating autoantibodies, which can lead to autoimmune conditions. Choice A is incorrect as aging is not typically associated with increased T cell function. Choice C is also incorrect as aging does not necessarily result in increased production of antibodies. Therefore, the correct answers are B (Decreased immune function) and D (Increased levels of circulating autoantibodies).
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