When an antigen is bound to a Class II MHC protein, it can activate a(n) ________ cell
A) plasma
B) CD4 T
C) NK
D) suppressor T
E) cytotoxic T
Answer: B
Anatomy & Physiology
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Lactating animals require more water intake than nonlactating animals
Indicate whether the statement is true or false
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Oxygen is unloaded from the blood stream and diffuses into surrounding cells and tissues during ________
A) internal respiration B) pulmonary ventilation C) external respiration D) respiratory gas transport E) tidal volume
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Which layer functions by secreting a lubricating fluid?
a) Serosa b) Submucosa c) Muscularis d) Mucosa e) MALT
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