A nurse is reviewing the medical history of a client who has ischemic stroke. Which of the following conditions is the most common cause of ischemic stroke?

Atherosclerosis

Atrial fibrillation

Cerebral aneurysm

Arteriovenous malformation

Answer and Explanation

The Correct Answer is A

Choice A reason:

This is the correct answer because atherosclerosis is the main cause of ischemic stroke, as it leads to the formation of plaques that narrow the cerebral arteries and reduce blood flow to the brain.

Choice B reason:

This is incorrect because atrial fibrillation is a risk factor for ischemic stroke, but not the most common cause. Atrial fibrillation can cause embolic stroke, which occurs when a blood clot from the heart travels to the brain and blocks a cerebral artery.

Choice C reason:

This is incorrect because cerebral aneurysm is a cause of hemorrhagic stroke, not ischemic stroke. Cerebral aneurysm is a weak spot in a cerebral artery that can rupture and bleed into the brain.

Choice D reason:

This is incorrect because arteriovenous malformation is also a cause of hemorrhagic stroke, not ischemic stroke. Arteriovenous malformation is a congenital abnormality of the blood vessels in the brain that can leak or burst and cause bleeding.

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Correct Answer is ["A","B","C"]

Explanation

Choice A reason:

This is correct because hypertension is a modifiable risk factor for ischemic stroke, as it increases the stress on the arterial walls and accelerates atherosclerosis, which can lead to plaque formation and reduced blood flow to the brain.

Choice B reason:

This is correct because smoking is a modifiable risk factor for ischemic stroke, as it damages the endothelial lining of the arteries and promotes thrombosis, which can lead to clot formation and blockage of blood flow to the brain.

Choice C reason:

This is correct because diabetes mellitus is a modifiable risk factor for ischemic stroke, as it causes hyperglycemia and dyslipidemia, which can damage the blood vessels and increase the risk of atherosclerosis and thrombosis.

Choice D reason:

This is incorrect because age is a non-modifiable risk factor for ischemic stroke, as it cannot be changed or controlled by the client. The risk of ischemic stroke increases with age due to physiological changes in the blood vessels and other organs.

Choice E reason:

This is incorrect because family history is also a non-modifiable risk factor for ischemic stroke, as it cannot be changed or controlled by the client. The risk of ischemic stroke may be higher in clients who have relatives who had a stroke due to genetic or environmental factors.

A. "Seizures occur when there is too much stimulation in your brain cells." B. "Seizures occur when there is an imbalance in your brain chemicals." C. "Seizures occur when there is a lack of oxygen in your brain tissue." D. "Seizures occur when there is an infection in your brain tissue."

Correct Answer is B

Explanation

Choice A reason:

This is an incorrect answer, as seizures do not occur due to too much stimulation in brain cells, but rather due to abnormal electrical activity caused by neurotransmitter imbalance.

Choice B reason:

This is a correct answer, as seizures occur due to neurotransmitter imbalance, which disrupts communication between neurons and causes abnormal electrical activity in the brain.

Choice C reason:

This is an incorrect answer, as seizures do not occur due to lack of oxygen in brain tissue, but rather due to abnormal electrical activity caused by neurotransmitter imbalance.

Choice D reason:

This is an incorrect answer, as seizures do not occur due to infection in brain tissue, but rather due to abnormal electrical activity caused by neurotransmitter imbalance.

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A nurse is reviewing the medical history of a client who has ischemic stroke. Which of the following conditions is the most common cause of ischemic stroke?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is educating a client who has a history of ischemic stroke about modifiable risk factors. Which of the following risk factors should the nurse include in the teaching? (Select all that apply.)

Correct Answer is ["A","B","C"]

Explanation

A nurse is caring for a client who has a seizure disorder. The client asks the nurse how seizures occur. Which of the following responses by the nurse is appropriate?

Correct Answer is B

Explanation

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