10) thrombopoietin is produced in the
a) liver only.
b) kidney only.
c) spleen only.
d) bone marrow only.
e) liver and kidney.
11) match the answers to the questions.
a. true only for the sympathetic division
b. true only for the parasympathetic division
c. true for both divisions
it is important during stress or emergencies (fight-or-flight).
12) each of these statements is true except one. identify the exception.
a) monoamine oxidase is the main enzyme responsible for the degradation of
catecholamines.
b) 1 receptors respond equally well to both epinephrine and norepinephrine.
c) 2 receptors are not innervated by sympathetic neurons, so are more sensitive to
epinephrine, delivered via the blood.
d) activation of receptors opens na+ channels in the membrane.
13) protein specificity is
a) the activation of a specific protein that is needed to perform a particular function.
b) the degree to which a protein is attracted to a ligand.
c) the ability of a protein to bind a certain ligand or a group of related ligands.
d) the degree to which a protein-ligand complex initiates a response.
e) the degree to which a protein is attracted to a ligand and the ability of a protein to
bind a certain ligand or a group of related ligands.
14) match the following terms to the correct answer: