Prothrombin time is a blood test used to evaluate
A. the Hageman factor.
B. extrinsic clotting mechanism.
C. intravascular clotting.
D. intrinsic clotting mechanism.
Answer: B
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The ________ carry blood toward the heart
A) arterioles B) arteries C) veins D) lacteals E) capillaries
Making up 2 to 4 percent of the leukocytes, the ___________ increase in number when they react to or phagocytize antigen-antibody complexes or allergens
Fill in the blank with correct word.
Adjusting to death is easier when
What will be an ideal response?
Ionic bonds involve ________, while covalent bonds involve ________.
A. weak attractions; the donation of electrons B. the transfer of electrons; the sharing of electrons C. the sharing of electrons; the donation of electrons D. swapping of electrons for protons; weak attractions