PASS 1/31 & 2/1

What parts of the vertebrae make up the vertebral arch?

• spinous processes

• laminae

• pedicles

• vertebral body

True or False: The external intercostal muscles have an attachment that is ventral to the transverse processes.

• True

• False

Sympathetic preganglionic neurons are ___ than the postganglionic neurons; the parasympathetic preganglionic neurons are ___ than the postganglionic neurons.

• longer; shorter

• longer; longer

• shorter; longer

• shorter; shorter

True or False: A somatosensory pathway from the internal intercostal muscle would travel through the dorsal rami.

• True

• False

Where are parasympathetic postganglionic neurons located?

• on or near the effector organ

• lateral horns T1-L2

• sympathetic trunk ganglia

• grey matter of brainstem or S2-S4 levels

True or False: The vertebrae, ribs, sternum, and pelvis are all part of the axial skeleton.

• True

• False

Deep epaxial muscles run from ...

• inferior lateral to superior medial

• inferior medial to superior lateral

• superior lateral to inferior medial

How many articulation sites does a rib have?

• 2

• 3

• 4

• 5

True or False: The internal intercostal muscle is superficial to the intercostal nerve.

• True

• False

What is the action of the external intercostal muscles?

• elevate ribs during inspiration

• depress ribs during expiration

• elevate ribs during expiration

• depress ribs during inspiration