Accumulation of fat in walls of blood vessels is known as —?

CIP Ranchi 2023

Medical Surgical Nursing

Easy

Appeared in: CIP Ranchi 2023

Explanation

Atherosclerosis is the correct medical term for the buildup of fibrofatty plaques, or atheromas, within the inner lining (intima) of arteries.
These plaques are composed of lipids (fats), cholesterol, calcium, and fibrous tissue.
The development of these plaques leads to the thickening and hardening of the arterial walls, a condition broadly known as arteriosclerosis, with atherosclerosis being the most common and significant form.
This process narrows the arterial lumen, restricting blood flow and potentially leading to ischemia in the tissues supplied by the affected artery.

Option A: Anaemia is a hematologic (blood) disorder, not a vascular one. It is defined by a low count of red blood cells or a low concentration of hemoglobin, which impairs the blood's ability to carry oxygen.
Option B: An aneurysm is a structural defect in a blood vessel wall, specifically an abnormal, localized bulging or dilation. It is caused by a weakening of the wall, not by the accumulation of fat.
Option D: Polycythemia is a hematologic disorder characterized by an excessive production of red blood cells. This increases the blood's viscosity (thickness), which can slow blood flow and increase the risk of clotting, but it is not a condition of fat accumulation in the vessel walls.

Clinical Relevance

Nursing practice connection: Knowing Pathophysiology of Vascular and Hematologic Disorders helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Nurses play a crucial role in managing atherosclerosis by educating patients on primary and secondary prevention strategies. This includes counseling on diet modification (low saturated fat, low cholesterol), regular physical activity, smoking cessation, and stress management.
Monitoring and ensuring patient adherence to prescribed medications, such as statins (to lower cholesterol), antihypertensives (to control blood pressure), and antiplatelet agents (to prevent clots), is a key nursing responsibility.
What if? If a patient with known atherosclerosis presents with sudden, crushing chest pain radiating to the arm or jaw, the nurse must recognize these as signs of a potential myocardial infarction (heart attack). The immediate priority would be to initiate emergency protocols, including obtaining an ECG, administering oxygen, and preparing for emergency medical intervention.

How to Approach the Question

Identify the key phrase in the question: 'Accumulation of fat in walls of blood vessels'. This points to a specific pathological process.
Recognize this as a factual recall question that requires knowing the definitions of common cardiovascular and hematological terms.
Evaluate each option against the definition. 'Athero-' relates to gruel or paste (referring to the fatty deposits), and '-sclerosis' means hardening.
Eliminate 'Anaemia' and 'Polycythemia' as they are disorders related to the quantity of blood cells, not the structure of vessel walls.
Differentiate between 'Aneurysm' (a weakening and ballooning of the wall) and 'Atherosclerosis' (a buildup of plaque within the wall).
Conclude that 'Atherosclerosis' is the precise term for the accumulation of fatty plaques described in the question.

Concept Tested & Keywords

QXEKHQdUizy1iw93HagSB1

E6 PATHOLOGY QUICK REVIEWBased on Harsh Mohan Textbook of PATHOLOGY pp. 187-189, 184-186

E6 Nursing Brunner Adult Health 3SA Vol 1 Part 3 p. 58-60