BIOS 1140 Exam 2

why is white matter white

the neurons are myelinated

ciliated glial cells that line brain ventricles to synthesize and circulate cerebrospinal fluid are called

ependymal cells

brain meninges layers superficial to deep

dura mater, arachnoid mater, pia mater

T/F: the olfactory nerve, cranial nerve I and the optic nerve are purely sensory

true

three branches of the trigeminal nerve

ophthalmic, maxillary, mandibular

T/F: the vagus nerve is the only cranial nerve that exits the head

true

The sternal end of the clavicle articulates with the ___, while the acromial end articulates with the ___.

sternum, scapula

Humeral deltoid tuberosity provides an attachment site for what muscle?

deltoid

Generic name for muscles located between the carpal bones

carpal interossei

Four rotator cuff muscles

supraspinatus, infraspinatus, subscapularis, teres minor

joint the rotator cuff muscles move

glenohumeral joint

superior to inferior order of the spinal cord segments

cervical, thoracic, lumbar

T/F: spinal cord dorsal horns are primarily sensory nerves

true

which nerve in the cervical plexus innervates the diaphragm and other muscles related to breathing?

phrenic nerve

Vertebra C1 is called the ___ and C2 is called the ___.

atlas, axis

joints the ulna forms

radioulnar and humeroulnar

joints the radius forms

radioulnar, humeroradial and andradiocarpal

special name for thumb

pollex

general name for muscles located between the carpal bones

interossei

Three prime mover muscles of the upper arm are

pectoralis major, latissimus dorsi, and deltoid

extensor muscle of the forearm

brachioradialis

flexor muscle of the forearm

flexor carpi ulnaris

supination muscle of the forearm

brachioradialis