The Fc region of some antibodies can trigger the activity of NK cells.
Answer the following statement true (T) or false (F)
True
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Which event must precede all others during tissue repair?
a. Epithelia reproduce and migrate to the damaged area. b. Clotting occurs in the damaged area. c. Inflammation occurs near the affected cells. d. Fibroblasts produce collagen that strengthens the area surrounding the tissue damage.
What muscle forms the posterior aspect of the upper arm and what action does it perform at the elbow joint?
What will be an ideal response?
Elizabeth fell down a flight of stairs. The angle between her right foot and the tibia increased as her toes were bent toward the ground. What movement do you think caused her to injure her foot?
A) eversion B) abduction C) dorsiflexion D) plantar flexion
Which of the following occurs as a result of positive feedback and assists in the maintenance of homeostasis?
A. Blood clot formation B. Blood cell production C. Blood pH regulation D. Body temperature regulation