Diffuse lymphoid tissue includes
A) tonsils, GALT (gut-associated lymphoid tissue), and the spleen.
B) tonsils and GALT (gut-associated lymphoid tissue).
C) tonsils.
D) the spleen.
E) GALT (gut-associated lymphoid tissue).
B) tonsils and GALT (gut-associated lymphoid tissue).
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What is the role of vitamin A in bone deposition?
A. It provides the raw material for calcification of the ground substance. B. It promotes the synthesis of bone matrix glycosaminoglycans (GAGs). C. It stimulates osteoblast activity. D. It promotes the cross-linking of collagen molecules. E. It is necessary for calcium absorption by the small intestine.
Of the following muscles that work the hand, which one runs along the lateral side of he forearm, and extends and abducts the wrist?
A) flexor carpi radialis B) extensor carpi ulnaris C) flexor digitorum profundus D) extensor carpi radialis longus
Mr. Miller has been hospitalized for the flu. The flu virus increases membrane permeability to K+. You would expect his cells to ________.
A. depolarize B. isopolarize C. repolarize D. hypopolarize E. hyperpolarize
Osmosis is the diffusion of _____ across a selectively permeable membrane
A. sugar B. sodium C. oxygen D. urea E. water