Cardiovascular Phys - Functions and Muscle - Blue Book Flashcards
1
Q
Heart pumps ______ L/min in a 70 kg man.
A
5-6 liters/minute
2
Q
Endocrine response to increased atrial pressure.
A
ANP - Atrial Natriuretic Peptide
3
Q
Endocrine response to overstretched ventricles:
A
BNP - B-type Natriuretic Peptide
4
Q
Does cardiac muscle have striations?
A
Yes, cross striations
5
Q
Describe cardiac muscle.
A
Involuntary, cross striations,
intercalated dices –> syncytium
Gap junctions –> passage of ions –> action potential spread