How do the following systems contribute to coagulation?
a. Complement
b. Fibrinolysis
c. Kinin
What will be an ideal response?
Answer: Complement: Plasmin activates complement by cleaving C3 into C3a and C3b.
Fibrinolysis: Digests fibrin clot after repair is complete.
Kinin: involved in contact activation
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Bone remodeling is a regenerative process in bone tissues in which cells called
a. osteoclasts break down and reabsorb old bone tissue whereas cells called osteoblasts produce and lay down new bone tissue. b. osteoblasts break down and reabsorb old bone tissue whereas cells called osteophytes produce and lay down new bone tissue. c. osteoblasts regenerate and rebuild old bone marrow whereas cells called osteoclasts produce and lay down new bone marrow. d. osteoclasts break down and reabsorb periosteum tissues whereas cells called osteoblasts produce and lay down new periosteum layers.
A STEMI typically
A) does not cause the development of significant Q waves on the EKG. B) is dangerous because it can herald a subendocardial MI soon to come. C) is an MI that damages the full thickness of the myocardium in a certain area. D) damages only the innermost layer of myocardium.
The two main coronary arteries arise from the ________ of the aorta.
A. top B. trunk C. inferior end D. middle
Regarding mortality insurance, what documentation is vital for payment of the death benefit?