ATI RN
ATI Pathophysiology Exam
1. A patient is starting on atorvastatin (Lipitor) for hyperlipidemia. What important instruction should the nurse provide?
- A. Take the medication at night to reduce the risk of muscle pain.
- B. Avoid consuming grapefruit juice while taking this medication.
- C. Take the medication in the morning with breakfast.
- D. Avoid taking the medication with alcohol to reduce the risk of liver damage.
Correct answer: A
Rationale: The correct answer is A. Atorvastatin should be taken at night to reduce the risk of muscle pain and other side effects. Taking it at night aligns with the body's natural rhythm of cholesterol production, optimizing its effectiveness. Choice B is incorrect because grapefruit juice can increase the risk of side effects by affecting the metabolism of atorvastatin. Choice C is incorrect as taking atorvastatin in the morning does not maximize its effectiveness. Choice D is incorrect because alcohol consumption can increase the risk of liver damage when combined with atorvastatin.
2. What assessment is the nurse performing when a client is asked to stand with feet together, eyes open, and hands by the sides, and then asked to close the eyes while the nurse observes for a full minute?
- A. Romberg test
- B. Weber test
- C. Rinne test
- D. Babinski test
Correct answer: A
Rationale: The correct answer is A, Romberg test. The Romberg test is used to assess balance and proprioception. During the test, the client is asked to stand with feet together, eyes open, and hands by the sides to observe their balance. Then, the client is asked to close their eyes while the nurse continues to observe for a full minute. This test helps in detecting any issues with proprioception and balance, which may be compromised in conditions affecting the nervous system. Choices B, C, and D are incorrect because the Weber test is used to assess hearing in each ear, the Rinne test is used to compare air and bone conduction of sound, and the Babinski test is used to assess the integrity of the corticospinal tract.
3. Which physiologic response is most likely to accompany activation of the parasympathetic nervous system?
- A. Increased heart rate
- B. Increased gastric motility
- C. Pupil dilation
- D. Sweating
Correct answer: B
Rationale: The correct answer is B: Increased gastric motility. The parasympathetic nervous system is known to promote rest and digest functions, which includes increasing gastric motility to aid in digestion. Choices A, C, and D are incorrect as they are more characteristic of the sympathetic nervous system. The sympathetic nervous system is responsible for the fight or flight response, leading to increased heart rate (Choice A), pupil dilation (Choice C), and sweating (Choice D) among other responses.
4. An immunology nurse is caring for a patient. While planning care, which principle will the nurse remember? The primary role of IgA1 is to prevent infections in the:
- A. Blood
- B. Kidneys
- C. Lungs
- D. Mucous membranes
Correct answer: A
Rationale: The correct answer is A: Blood. IgA1 is mainly found in the blood and plays a crucial role in preventing infections by neutralizing pathogens. While IgA1 can be present in other body areas, its primary function is associated with preventing infections in the blood. Choices B, C, and D are incorrect as IgA1 is not primarily associated with the kidneys, lungs, or mucous membranes.
5. A 70-year-old client presents with weakness and sensory loss in the right hand and foot. The client also exhibits speech difficulties. Which condition is the client most likely experiencing?
- A. Transient ischemic attack (TIA)
- B. Brain tumor
- C. Cerebral infarction
- D. Multiple sclerosis
Correct answer: C
Rationale: The correct answer is C: Cerebral infarction (stroke). In this case, the client's symptoms of weakness and sensory loss in the right hand and foot, along with speech difficulties, are indicative of a stroke. These symptoms are commonly seen in individuals experiencing a cerebral infarction, where a blockage in blood flow to the brain leads to neurological deficits. Choices A, B, and D are less likely as transient ischemic attacks (TIAs) typically have temporary symptoms with no permanent damage, brain tumors may present with a different set of symptoms depending on their location, and multiple sclerosis usually presents with a relapsing-remitting pattern of neurological symptoms rather than sudden onset unilateral deficits.
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