Atherosclerosis and Lesion Formation
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Questions and Answers

Hyperhomocysteinemia has been positively correlated with the risk of peripheral, cerebrovascular, and coronary artery disease as well as venous thromboembolism (VTE).

True

Homocysteine promotes coagulation by decreasing factor V and factor XI activity.

False

Folic acid and vitamin B12 have been reported to increase serum homocysteine levels.

False

The use of B complex vitamins to reduce cardiovascular disease in patients with PAD is recommended.

<p>False</p> Signup and view all the answers

There are data demonstrating that folic acid and vitamin B12 therapy reduces adverse cardiovascular events.

<p>False</p> Signup and view all the answers

Arteriosclerosis affects the intima of large and medium-sized arteries.

<p>False</p> Signup and view all the answers

Atherosclerosis is a diffuse process affecting the muscle fibers and the endothelial lining of the walls of small arteries and arterioles.

<p>False</p> Signup and view all the answers

Atherosclerosis rarely occurs without arteriosclerosis, and the terms are used interchangeably.

<p>True</p> Signup and view all the answers

The most common direct results of atherosclerosis in arteries include dilation of the lumen.

<p>False</p> Signup and view all the answers

Atherosclerosis indirectly results in malnutrition and subsequent fibrosis of the organs supplied by the sclerotic arteries.

<p>True</p> Signup and view all the answers

HDL and low-density lipoprotein are two types of atherosclerotic lesions.

<p>False</p> Signup and view all the answers

Fibrous plaques are composed of smooth muscle cells, collagen fibers, plasma components, and lipids.

<p>True</p> Signup and view all the answers

Fatty streaks predispose a person to the formation of fibrous plaques and are reversible.

<p>False</p> Signup and view all the answers

Injury to the endothelium decreases the aggregation of platelets and monocytes at the site of injury.

<p>False</p> Signup and view all the answers

Collateral circulation arises from preexisting vessels that enlarge to reroute blood flow around a hemodynamically significant stenosis or occlusion.

<p>True</p> Signup and view all the answers

Peripheral artery disease (PAD) is less severe in patients with diabetes compared to patients without diabetes.

<p>False</p> Signup and view all the answers

Diabetes affects the onset and progression of atherosclerosis through a single factor.

<p>False</p> Signup and view all the answers

C-reactive protein (CRP) levels are not associated with an increased risk of damage in the vasculature.

<p>False</p> Signup and view all the answers

Elevated blood glucose levels do not pose any risk to cardiovascular health.

<p>False</p> Signup and view all the answers

HDL (high-density lipoprotein) levels are not mentioned as a risk factor for cardiovascular disease.

<p>False</p> Signup and view all the answers

Atherosclerosis can develop in any part of the vascular system.

<p>True</p> Signup and view all the answers

Females are more likely to have below-the-knee pathology than males.

<p>False</p> Signup and view all the answers

Atherosclerosis can occur only in the proximal lower extremity, and not distal to the knee.

<p>False</p> Signup and view all the answers

The reaction-to-injury theory completely explains the pathogenesis of atherosclerosis.

<p>False</p> Signup and view all the answers

Vascular endothelial cell injury can result from prolonged hemodynamic forces, chemical exposure, and chronic hyperlipidemia.

<p>True</p> Signup and view all the answers

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