e) neurogenic pain.
9) which of the following describes the action of the serratus anterior?
a) adducts the arm
b) adducts and flexes the humerus
c) protracts the shoulder, abducts and medially rotates the scapula
d) medial rotation of the humerus
e) lateral rotation of the humerus
10) if a sperm carrying the “y” chromosome fertilizes the ovum the resulting offspring
will be:
a) haploid
b) rh positive blood type
c) male
d) fraternal twins
e) female
11) postganglionic fibers release neurotransmitter on peripheral effectors
a) at distinct synapses.
b) at pearl-like swellings called varicosities.
c) into capillaries within the target organ.
d) at the end plates.
e) at sympathetic chain ganglia.
12) voltage-gated sodium channels have both an activation gate and a(n) ________
gate.
a) inactivation
b) ion
c) swinging
d) repolarization
e) threshold