During swallowing, elevation of the uvula and soft palate prevents food or fluid from entering the nasopharynx.
Answer the following statement true (T) or false (F)
True
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This type of membrane protein enables cells to catalyze specific chemical reactions at the inner or outer surface of their plasma membrane
a) receptors b) phospholipids c) cholesterol d) enzymes e) ligands
Cytotoxic T cells ________
A) require the double recognition signal of class I MHC plus class II MHC on the target cell in order to function B) self-destruct once the antigen has been neutralized C) function mainly to stimulate the proliferation of other T cell populations D) can directly attack and kill other cells of the body
The palmar venous arches drain into the ________, which is superficial and runs along the medial upper limb.
A) digital vein B) cephalic vein C) axillary vein D) brachial vein E) basilic vein
Which of the following would occur as a result of a single muscle contraction?
A. Tone B. Treppe C. Tetanus D. Paralysis E. Twitch