Activation of sympathetic nerves that innervate lung tissue results in
A. bronchoconstriction.
B. bronchodilation.
B
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Which of the following tissues lines the oral cavity?
A. Ciliated pseudostratified columnar epithelium B. Simple columnar epithelium C. Simple cuboidal epithelium D. Simple squamous epithelium E. Stratified squamous epithelium
Some tumor cells may produce ________, which defends them from T cell attack.
A. CD8 coreceptors B. antibodies C. FAS ligands D. MHCs that match the tissue of origin
As a result of the long refractory period in the contractile cell, cardiac muscle can NOT exhibit:
A) oxygen debt. B) tetany. C) treppe. D) fatigue.
When an immature cell commits itself to following a particular path of development, the process is called
A. differentiation. B. cytogenesis. C. apoptosis. D. mitosis. E. fatalism.