QUESTION 8 Which of the following is produced by epithelial membranes as a first line of defense protection? O a. Sebum
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QUESTION 8 Which of the following is produced by epithelial membranes as a first line of defense protection? O a. Sebum
QUESTION 8 Which of the following is produced by epithelial membranes as a first line of defense protection? O a. Sebum O b. Complement c. Antibodies O d. Haptens QUESTION 9 What happens to blood vessels in an inflammatory area? O a. Smooth muscle of the blood vessels relaxes and causes vasoconstriction. b. Smooth muscle is never in blood vessels. O c. Smooth muscle of the blood vessels contracts and cause vasodillation O d. Smooth muscle of the blood vessels relaxes and causes vasodillation.