The nurse correctly tells the client and family member how angioplasty with stenting is utilized to treat angina by using which explanation?
"A tiny balloon is used to open up the blocked artery and a wire mesh stent is placed to keep the artery open."
"The blocked artery is bypassed to an areas where there is proper blood flow for the heart muscle."
"A tiny blade is used to cut away the plaque buildup and a stent is placed to keep the blood flowing properly."
"The blood clot or plaque is dissolved, allowing for adequate blood flow and oxygen to flow to the heart muscle."
The Correct Answer is A
A. "A tiny balloon is used to open up the blocked artery and a wire mesh stent is placed to keep the artery open.": Percutaneous transluminal coronary angioplasty involves inflating a balloon to compress atherosclerotic plaque against the arterial wall. The subsequent placement of a stent provides structural support to prevent the vessel from recoiling or reclosing. This accurately describes the mechanical process of restoring coronary blood flow.
B. "The blocked artery is bypassed to an areas where there is proper blood flow for the heart muscle.": This explanation describes a coronary artery bypass graft (CABG), which is a surgical procedure, not an angioplasty. Bypassing involves using a graft vessel to create a new route for blood flow around an obstruction. Angioplasty is a minimally invasive catheter-based intervention that works within the original vessel.
C. "A tiny blade is used to cut away the plaque buildup and a stent is placed to keep the blood flowing properly.": The use of a cutting device to remove plaque is known as an atherectomy, which is a different procedure from standard angioplasty. While sometimes used together, angioplasty primarily relies on pressure and displacement rather than excision. Atherectomy is reserved for specific types of calcified or hard lesions.
D. "The blood clot or plaque is dissolved, allowing for adequate blood flow and oxygen to flow to the heart muscle.": This describes thrombolytic therapy or fibrinolysis, which uses medications to chemically break down clots. Angioplasty is a mechanical intervention rather than a pharmacological one. While medications are used during the procedure, the primary mechanism of opening the vessel is physical dilation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. smoking cessation.: Thromboangiitis obliterans is an inflammatory vascular disease strongly linked to tobacco use. The primary pathophysiological trigger is an autoimmune response to nicotine that leads to segmental vasculitis and digital ischemia. Complete abstinence from all tobacco products is the only effective way to halt the progression of the disease and prevent gangrene or amputation.
B. reduction of alcohol intake.: While excessive ethanol consumption is detrimental to overall cardiovascular health, it is not the primary causative agent for Buerger's disease. Alcohol does not induce the specific segmental inflammation of small and medium-sized arteries seen in this pathology. Smoking cessation remains a far more critical lifestyle modification for these patients.
C. avoiding cold remedies.: Some over-the-counter cold medications contain sympathomimetics that can cause peripheral vasoconstriction. While patients with Raynaud's phenomenon should be cautious, these drugs do not drive the inflammatory process of Buerger's disease. The focus of nursing education must prioritize the elimination of tobacco rather than secondary pharmacological triggers.
D. weight reduction.: Obesity is a significant risk factor for atherosclerosis, but Buerger's disease is a non-atherosclerotic inflammatory condition. While maintaining a healthy body mass index is beneficial for systemic health, it does not stop the specific vasculitis associated with this condition. Tobacco use is the specific modifiable factor that determines the clinical trajectory.
Correct Answer is D
Explanation
A. Discourage walking in order to limit pain: Physical inactivity promotes further vascular stasis and muscle atrophy in the lower extremities. While claudication causes discomfort, complete avoidance of movement prevents the development of collateral circulation. Reduced mobility exacerbates the underlying pathology of arterial insufficiency and impairs long-term functional outcomes.
B. Encourage extended periods of sitting or standing: Prolonged static positioning increases hydrostatic pressure and can worsen peripheral tissue perfusion. Dependency or stasis does not facilitate the arterial inflow required to oxygenate ischemic tissues. Frequent position changes are necessary to prevent localized pressure and maintain adequate circulatory flow.
C. Elevate his legs and arms above his heart when resting: This position hinders gravity-assisted arterial flow to the distal extremities, worsening ischemia. Unlike venous insufficiency, arterial disease requires the limbs to be maintained in a neutral or slightly dependent position. Elevation significantly reduces the perfusion pressure needed to reach peripheral tissues.
D. Encourage the client to engage in moderate amount of exercise: Structured walking programs stimulate the formation of collateral vessels to bypass occluded arteries. Physical activity improves oxygen extraction by the muscles and increases the pain-free walking distance. This intervention remains a cornerstone of conservative management for improving peripheral arterial circulation.
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