ASU BIO 201 EXAM TEST BANK 100+ QUESTIONSWITH 100% CORRECT ANSWERS UPDATED
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Course
ASU BIO 201
Institution
ASU BIO 201
ASU BIO 201 EXAM TEST BANK 100+ QUESTIONSWITH 100% CORRECT ANSWERS UPDATED
cervical enlargement - Answer-thicker section in the spinal cord which gives rise to the nerves of the upper limbs
lumbar enlargement - Answer-thicker section in the spinal cord which gives rise to the lumbar and pel...
ASU BIO 201 EXAM TEST BANK 100+
QUESTIONSWITH 100% CORRECT
ANSWERS UPDATED 2024-2025
cervical enlargement - Answer-thicker section in the spinal cord which gives rise to the
nerves of the upper limbs
lumbar enlargement - Answer-thicker section in the spinal cord which gives rise to the
lumbar and pelvic nerves.
ascending fibers - Answer-groups of axons carrying information up the cord
descending fibers - Answer-groups of axons carrying info down the cord
THE WHITE MATTER OF THE SPINAL CORD IS DIVIDED INTO ANTERIOR,
LATERAL, AND POSTERIOR ____________________. - Answer-funiculi
The funiculi are divided up into tracts which... - Answer-contain axons that have the
same functional role and are defined primarily by the structures they connect.
meninges of spinal cord - Answer-dura mater, arachnoid mater, pia mater
denticulate ligaments - Answer-Specializations of the pia mater that anchor the spinal
cord to the dura mater and limit the movement of the cord.
Gray commissure - Answer-connects the right and left gray matter in spinal cord
filum - Answer-extension of Pia mater that anchors spinal cord to coccyx
posterior rami - Answer-serve the skin, joints, and musculature of the posterior trunk
small meningeal branch - Answer-reenter the vertebral canal to innervate spinal
structures
anterior rami of spinal nerve - Answer-travel anteriorly to supply the muscles of the
upper and lower limbs, the anterior thorax and abdomen, and part of the back
anterior rami of thoracic spinal nerves - Answer-travel between the ribs as 11 separate
pairs of intercostal nerves that innervate the intercostal muscles, the abdominal
muscles, and the skin of the chest and abdomen.
, The anterior rami of the cervical, lumbar, and sacral nerves combine to form - Answer-4
large plexuses
the 4 large plexuses - Answer-cervical, brachial, lumbar, sacral
ansa cervicalis - Answer-loop of nerves that innervates some neck muscles such as
omohyoid muscles, sternohyoid muscles, and sternothyroid muscles.
phrenic nerve - Answer-major nerve of the cervical plexus; provides the entire nerve
supply to the diaphragm
axillary nerve - Answer-a branch of the posterior cord, serves structures near the axilla,
including the deltoid and teres minor muscles and the skin around this region.
musculocutaneous nerve - Answer-the distal continuation of the lateral cord. It is located
in the lateral arm and serves the anterior arm muscles that flex the forearm (such as the
biceps brachii muscle)
radial nerve - Answer-The distal continuation of the posterior cord and is located in the
posterior upper limb. It serves the muscles that extend the forearm and hand as well as
the skin in the lateral hand
ulnar nerve - Answer-the distal continuation of the medial cord, supplies certain muscles
in the forearm that flex the hand, most of the intrinsic muscles of the hand, and the skin
over the medial hand.
median nerve - Answer-results from the fusion of portions of the medial and lateral
cords. It supplies most of the muscles of the forearm that flex the hand, certain intrinsic
hand muscles, and the skin over the anterior and lateral hand.
carpal tunnel syndrome - Answer-Occasionally the median nerve becomes trapped and
inflamed under the flexor retinaculum, which results in
iliohypogastric nerve - Answer-supplies motor innervation to the transversus abdominis
and internal oblique muscles and sensory to the pelvic area.
ilioinguinal nerve - Answer-supplies motor innervation to the transversus abdominis and
internal oblique muscles and sensory to the pelvic area.
3 basic parts of the neuron - Answer-cell body, dendrites, axon
3 different types of neurons - Answer-multipolar, bipolar, pseudounipolar
endoneurium - Answer-dense irregular connective tissue that surrounds each nerve
fiber
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