A measure of antibody level in the plasma is
A) the primary response.
B) the secondary response.
C) antigen concentration.
D) body temperature.
E) the antibody titer.
E
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Saturation occurs when
A) a carrier molecule has the ability to transport only one molecule or a group of closely related molecules. B) molecules are moved by the use of vesicles. C) a preference of a carrier protein for a substance is demonstrated based on the differing affinities of the carrier for the substrates. D) the energy required to move molecules results from a high-energy bond. E) a group of carrier proteins is operating at its maximum rate.
Synovial membranes:
A) line the pleural, pericardial, and peritoneal body cavities. B) line the cavities surrounding freely movable joints. C) are hard due to the presence of keratin. D) line the passages of hollow organs that open to the outside of the body.
Which connective tissue cell possesses a dark-staining, round nucleus, a large, basophilic cyto-plasm, and an abundant Golgi apparatus?
a. Brown fat cell b. Fibroblast c. Lymphocyte d. Macrophage e. Plasma cell
The greater the compliance the
A. more easily the vessel wall stretches. B. higher the blood pressure will be. C. longer the blood vessel will measure. D. less the elasticity of the vessel. E. greater the resistance generated in the vessel.