Ch 17- Peripheral Vascular System Question And Answers
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Course
Ch 17- Per
Institution
Ch 17- Per
What are inflammatory mediators implicated in? - CORRECT ANSWER-Plaque rupture
and plaque erosion
What do inflammatory mediators expose in the plaque core? - CORRECT ANSWERThrombogenic factors
What do thrombi in the coronary arteries result in? - CORRECT ANSWER-Acute
myocardial infarction
W...
Ch 17- Peripheral Vascular System
Question And Answers
What are inflammatory mediators implicated in? - CORRECT ANSWER-Plaque rupture
and plaque erosion
What do inflammatory mediators expose in the plaque core? - CORRECT ANSWER-
Thrombogenic factors
What do thrombi in the coronary arteries result in? - CORRECT ANSWER-Acute
myocardial infarction
What do thrombi in the carotid arteries result in? - CORRECT ANSWER-Stroke
What is arteriosclerosis? - CORRECT ANSWER-Thickening and stiffening of arteries
What are healthy arteries like? - CORRECT ANSWER-Flexible and elastic
What is atherosclerosis? - CORRECT ANSWER-Buildup of plaque in artery walls
What can atherosclerosis cause? - CORRECT ANSWER-Narrowing of arteries and
blood clots
Where can atherosclerosis occur? - CORRECT ANSWER-Anywhere in the body
Can atherosclerosis be treated? - CORRECT ANSWER-Yes
What can help prevent atherosclerosis? - CORRECT ANSWER-Healthy lifestyle habits
What do arteries do in response to variations in cardiac output? - CORRECT ANSWER-
Branch and change in size
What varies in arteries according to their distance from the heart? - CORRECT
ANSWER-Anatomy and size
What are the immediate branches of the aorta? - CORRECT ANSWER-Common
carotid and iliac arteries
What type of arteries are the aorta and its immediate branches? - CORRECT
ANSWER-Large, highly elastic arteries
, What type of arteries do the common carotid and iliac arteries belong to? - CORRECT
ANSWER-Large, highly elastic arteries
What type of arteries do the coronary and renal arteries belong to? - CORRECT
ANSWER-Medium-sized muscular arteries
What is the role of elastic recoil and smooth muscle contraction and relaxation in large-
and medium-sized arteries? - CORRECT ANSWER-Contribute to the propagation of
blood flow and arterial pulsatile flow
What are arterioles known as? - CORRECT ANSWER-Resistance vessels
What is the diameter of small arteries? - CORRECT ANSWER-Less than 2 mm
What is the diameter of arterioles? - CORRECT ANSWER-20 to 100 μm
What is the role of arterioles in blood pressure? - CORRECT ANSWER-Principal
determinant of systemic vascular resistance
What is the diameter of capillaries? - CORRECT ANSWER-7 to 8 μm
What is the lining of capillaries? - CORRECT ANSWER-Endothelial cells
What is the role of capillaries in gas exchange? - CORRECT ANSWER-Facilitate rapid
diffusion of oxygen and carbon dioxide
What is collateral circulation? - CORRECT ANSWER-Anastomoses between branching
networks of smaller arteries that increase in size to perfuse structures distal to an
occlusion
What is the foveal avascular zone? - CORRECT ANSWER-An area in the retina without
any blood vessels
Where are arterial pulses palpable? - CORRECT ANSWER-Arteries lying close to the
body surface
What are the pulses in the arms and hands? - CORRECT ANSWER-Brachial artery,
radial artery, ulnar artery
Where is the brachial artery located? - CORRECT ANSWER-At the bend of the elbow
just medial to the biceps tendon
Where is the radial artery located? - CORRECT ANSWER-On the lateral flexor surface
of the arm
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