Cardiac hemodynamics

Question 1

Examples of :
Elastic arteries:
Muscular arteries:

Answer 1

• Aorta
• Mesenteric, renal artery

Question 2

_ is the most important factor that determines whether compliance increases or decreases.

Answer 2

• Volume

Question 3

Veins are _ compliant and distensible than arteries.
Arteries have _ walls than veins
Arterial tree has a _ cross sectional area than venous tree

Answer 3

• More
• Stronger
• Smaller

Question 4

T/F: Arterial pressure depends on CO/blood flow

Answer 4

False

Question 5

Pulse P

Answer 5

Sys P - Dias P

Question 6

CO is influenced by(2)

Answer 6

• Venous return(preload)
• Contractility(inotropy)

Question 7

Contractility affected by(2)

Answer 7

• Fiber length dependent activation: Preload, starling
• Fiber length independent activation: Epinephrine

Question 8

Force of contraction is higher via fiber length _ activation

Answer 8

Independent