lqc 6b exam qs Flashcards
1
Q
explain the role of blood clots in heart disease
A
blood clots can block the coronary arteries, reducing the flow of blood to heart tissue, resulting in a heart attack
2
Q
a platelet is
A
a cell fragment that releases thromboplastin
3
Q
thrombin is `
A
an enzyme that changes fibrinogen into fibrin
4
Q
fibrinogen is
A
a soluble plasma protein
5
Q
Explain why a blood clot in an artery leading to the brain could cause a stroke.
A
reduced blow flow, no oxygen reaches brain, no aerobic respiration, less atp produced, brain needs lots of energy to function, lactic acid from anaerobic respiration is produced, lactic acid inhibits enzymes