Anatomy Flashcards
1
Q
Ejection fraction
A
Ratio of blood pumped from ventricle to the amount remaining at end of diastole.
Ventricle ejects 2/3rds
2
Q
Three factors affecting stroke volume
A
Preload
Cardiac contractile force
Afterload
3
Q
Four pairs of sinuses
A
Ethmoid
Frontal
Maxillary
Sphenoid
4
Q
Sinus function
A
Help reduce overall weight of the head
Assist in heating, purifying and moistening inhaled air
Trap bacteria
