Regarding the sympathetic nervous system, the neurotransmitter ACh is
A) always excitatory when used in the synapses of the sympathetic nervous system.
B) broken down by COMT.
C) going to reduce the activity of the other neurotransmitter norepinephrine.
D) broken down by monoamine oxidase.
E) a chemical similar to the structure of adrenaline.
A
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The action of the rectus femoris is to
a. extend the knee b. rotate the leg medially c. rotate the leg laterally
Decreased levels of bile salts in the bile would interfere with digestion of
A) protein. B) lipid. C) disaccharides. D) complex carbohydrates. E) vitamins.
Because of the active transport of Na+ and K+, the intracellular concentration of Na+ is lower than the extracellular concentration, whereas the reverse is true for K+.
Answer the following statement true (T) or false (F)
Most nonelectrolytes are covalently bonded organic molecules
Indicate whether this statement is true or false.