Which of the following does NOT limit normal clot growth to the sight of injury? O A) Removal and dilution of clotting factors O B) Fibrin binding to thrombin O C) Antithrombin III O D) Exposed collagen fibers E) Serotonin

What does the term hematocrit mean? a) The number of white blood cells in the blood b) The number of red blood cells in the blood c) The percentage of red blood cells in the blood d) The critical number of red blood cells we need to survive

If a person is given a transfusion with the wrong blood type, what mechanism of action is responsible for the reaction seen in the body? O 1) IgE binds to mast cells releasing cytokines 2) Antigen-antibody complexes (IgG, IgM and IgA) lodge in basement membranes of tissues, neutrophil degranulation damages the tissues O 3) T cells respond to the inappropriate cells 4) IgG and IgM bind to cells stimulating complement, triggering cell lysis

a) What is the coagulation cascade? Why is it important? b) Explain the steps of the foreign body response to an implant with a schematic. c) What can be done to minimize the foreign body response?

3. Increased vascular permeability leads to which of the following cardinal signs of inflammation? A) Redness B) Edema → swelling C) Heat D) Pain

ASAP

Which of the following statements about blood vessels is TRUE?   A) Venules have large lumens, thin walls, & are high pressure vessels B) Arterioles have small lumens, thick walls, & are low pressure vessels C) True capillaries possess pre-capillary sphincters and are surrounded by smooth muscle cells D) Both A & B E) None of the above

Where in the body does maturation of T lymphocytes take place? A) Lymph node B) Bone marrow C) Spleen. D) Thymus

16) which for the following cells are phagocytic? a) oligodendrocytes  b) microglia  c) ependymal cells d) astocytes

Severe sepsis is a major cause of postoperative morbidity and mortality. What could contribute to the high incidence of postoperative sepsis. a.) No postoperative antibiotics given b.) Lack of feedback inhibition to the immune system by the HPA axis c.) Autoimmune activity d.) Suppression of innate and cell-mediated immunity