physio exam 3: blood part 2
Authored by Nikki Valle
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cytoplasmic fragments of megakaryocytes
WBC
platelets
plasma
RBC
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
granules in platelets contain serotonin, Ca, enzymes, ADP and platelet-derived growth factor that all aid in
blood clotting
inflamaation
lymph production
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Platelets form a ______ plug that helps seal breaks in blood vessels.
permanent
temporary
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What keeps circulating platelets inactive and mobile?
macrophages
RBC
nitric oxide (NO)
prostacyclin
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vasodilator
NO (nitric oxide)
prostacyclin
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
come from endothelial cells lining blood vessels
nitric oxide (NO)
prostacyclin
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How long do platelets last before degredation?
15 days
90 days
10 days
30 days
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