Multiple Choice
Histamine
A) makes the capillaries near a wound more porous.
B) is converted to prostaglandin near a wound.
C) vasoconstricts the arterioles near a wound.
D) is one of the classes of antibody.
Correct Answer:

Verified
Correct Answer:
Verified
Q18: Helper T cells perform all of the
Q19: After the initial exposure to a pathogen,subsequent
Q20: Cytotoxic T cells<br>A) directly kill viruses.<br>B) kill
Q21: Examine the figure below.<br><img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5842/.jpg" alt="Examine the
Q22: Macrophages may be unable to digest the
Q24: To verify the successfulness of a vaccination
Q25: _ proteins attach to antibodies bound to
Q26: Lymphocytes surround and digest any damaged host
Q27: Memory cells<br>A) include B and T cells
Q28: Which of the following both prevents blood