a. it is innervated by the phrenic nerve.
b. it elevates the scapula if the scapula is fixed.
c. it rotates the scapula and depresses the apex of the shoulder.
d. it flexes the neck if the scapula is fixed.
e. it protracts the scapula if the humerus is fixed.
6) which of these happens first in an adrenergic synaptic transmission?
a. atp is converted to cyclic amp
b. adenylate cyclase is activated
c. g protein dissociates from the ne receptor
d. g protein binds to adenylate cyclase
e. cyclic amp induces several effects in the cell
7) the __________ innervation of the kidneys reduces urine production, while the
function of its__________ innervation is unknown.
a. sympathetic; parasympathetic
b. parasympathetic; sympathetic
c. central; peripheral
d. peripheral; central
e. enteric; somatic
8) removal of the __________ would be more harmful toa one-year-old child than an
adult.
a. spleen
b. lymph node
c. thymus
d. appendix
e. palatine tonsil
9) a neuron that synapses in the adrenal medulla is a ___________ neuron, and releases
the neurotransmitter ___________.
a. preganglionic; acetylcholine (ach)
b. postganglionic; norepinephrine (ne)