A client with chronic peripheral arterial disease (PAD) asks the nurse why this disease developed. Which explanation by the nurse is most accurate?
"Excess sodium from hypertension causes direct injury to the arteries, reducing blood flow and causing obstruction."
"Excess fats in your diet are stored in the lining of the arteries, causing them to constrict."
"A combination of platelets and fats accumulate, narrowing the artery and reducing blood flow to the extremities."
"Injury to the arteries causes them to spasm, reducing blood flow to the extremities."
The Correct Answer is C
Choice A Reason
While hypertension can contribute to the development of PAD, it does not directly cause fats to deposit in the arteries. Hypertension can damage the arterial walls, making them more susceptible to atherosclerosis, but it is not the primary mechanism of PAD development.
Choice B Reason
Excess fats in the diet can contribute to atherosclerosis, which is the accumulation of plaques in the arterial walls. However, the fats do not simply get stored; they combine with other substances, including calcium and inflammatory cells, to form plaques that can restrict blood flow.
Choice C Reason
This statement is the most accurate. PAD is primarily caused by atherosclerosis, which is the buildup of plaques formed by fats, cholesterol, calcium, and other substances in the blood. These plaques can harden and narrow the arteries, leading to reduced blood flow to the extremities. The process can be exacerbated by factors such as smoking, diabetes, and high cholesterol.
Arterial spasms can occur, but they are not the typical cause of chronic PAD. Spasms are more often associated with conditions like Raynaud's phenomenon or can be a response to stress or cold temperatures. PAD is usually a result of progressive atherosclerosis rather than intermittent spasms.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A Reason
Hyperreflexia refers to an overactive or overresponsive reflexes, which is a neurological condition and not directly related to the behaviors described. It is typically seen in conditions affecting the central nervous system and is not characterized by the inability to wait turns or interrupting conversations.
Choice B Reason
Defiance implies a conscious choice to resist authority or rules, which may not necessarily be the case here. While children with behavioral issues may exhibit defiant behaviors, the symptoms described are more indicative of a lack of impulse control rather than a deliberate choice to defy.
Choice C Reason
Inattention is a component of several behavioral and cognitive disorders, including ADHD. However, the behaviors described—blurting out answers, inability to wait for turns, and interrupting others—are more specifically associated with impulsivity rather than inattention alone.
Choice D Reason
Impulsivity is the tendency to act on a whim, displaying behavior characterized by little or no forethought, reflection, or consideration of the consequences. The behaviors described—such as blurting out answers and interrupting others—are classic signs of impulsivity, which is often seen in conditions like ADHD.
Correct Answer is A
Explanation
Choice A Reason:
St. John's Wort is a well-known herbal remedy that has been used for centuries to treat various ailments, including depression. It is believed to work by increasing the levels of neurotransmitters in the brain, such as serotonin, which can help improve mood and alleviate depressive symptoms. Clinical studies have shown that St. John's Wort can be effective for mild to moderate depression.
Choice B Reason:
Black Cohosh is primarily used to relieve symptoms associated with menopause, such as hot flashes and night sweats. While it may have some mood-stabilizing effects, there is insufficient evidence to support its use as a primary treatment for depression.
Choice C Reason:
Peppermint is commonly used for its soothing properties to aid digestion and reduce headaches. However, it is not typically used as a treatment for depression, and there is no substantial evidence to suggest it would be effective for this purpose.
Choice D Reason:
Echinacea is best known for its potential to boost the immune system and reduce symptoms of colds and other infections. It is not recognized as a treatment for depression, and there is no significant research to support its use in this context.
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