Question

a stationary clot that forms in an unbroken blood vessel is a(n) _________.
a embolus
b stem cell
c plasmin
d thrombus

Explanation:

• An embolus is a clot that travels through the bloodstream.
• A stem cell is an undifferentiated cell that can give rise to other cell types.
• Plasmin is an enzyme that breaks down clots.
• A thrombus is a stationary clot that forms in an unbroken blood vessel.

Answer:

D. thrombus