Lecture 7 - Vascular disease & Atherosclerosis Flashcards
What is the leading cause of death and disability in the world?
Cardiovascular disease
One person dies to CVD every __ minutes?
12
Which of these are not risk factors for CVD? Hypothyroidism Alcohol consumption Glucose intolerance/resistance Gender
Hypothyroidism
Is vascular disease present in all forms of CVD?
Yes
What is the earliest detectable risk factor for CVD?
Vascular disease
How can vascular disease be caused?
Damage, blockage or rupture of the vessel
Layers of Tunica Intima from superficial to deep. (blood vessel)
Internal elastic membrane
Lamina propria
Basement membrane
Endothelium
Layers of Tunica media from superficial to deep. (blood vessel)
External elastic membrane
Smooth muscle
Layers of Tunica externa from superficial to deep. (blood vessel)
Its literally just tunica adventitia
Examples of elastic arteries?
Aorta, major vessels
Which arteries/arterioles are considered pressure reservoirs?
Elastic arteries
Which arteries/arterioles expand and recoil?
Elastic arteries
Which arteries/arterioles are ‘conducting arteries’?
Elastic arteries
How many layers of muscle in muscular arteries?
25+ layers
Which arteries/arterioles are considered ‘distributing arteries’?
Muscular arteries
Which arteries/arterioles are capable of vasoconstriction/vasodilation?
Muscular arteries
Which arteries/arterioles are considered to be terminal
Arterioles
All the layers in a vein from superficial to deep
Tunica adventitia
Tunica media
Tunica intima (Internal elastic membrane -> Basement membrane ->endothelium)
What is a characteristic unique to veins and not arteries?
Valves
How many times more complaint are veins to arteries?
24x
Which vessels are considered capacitance vessels?
Veins
All vessels including the heart are lined with a singular layer of _____?
Endothelial cells
What is normal vascular function maintained by? (Chemical)
Nitric Oxide
Nitric Oxide has a quick or slow half life?
Quick