Multiple Choice
Compared to blood capillaries, lymph capillaries exhibit all of the following except that they
A) have no basement membrane.
B) have only a tunica interna.
C) have walls of endothelial cells that overlap like shingles.
D) are smaller in diameter.
E) are frequently irregular in shape.
Correct Answer:

Verified
Correct Answer:
Verified
Q15: Histamine increases blood flow and vascular permeability.
Q16: If the thymus shrank and stopped making
Q17: The cells directly responsible for cellular immunity
Q18: Stem cells that will form B cells
Q19: Helper T cells do all of the
Q21: A _ antigen is an antigen with
Q22: Changes in the immune system that accompany
Q23: An important protein in the activation of
Q24: All of the following are characteristics of
Q25: Another term for antibodies is<br>A) cytokines.<br>B) cytosolic