1-This structure contains unmyelinated axons and serves as a communication route between the right and left sides of the gray matter in the spinal cord. a.Posterior commissure b.Gray commissure c.Lateral commissure d.Denticulate ligaments
1-This structure contains unmyelinated axons and serves as a communication route between the right and left sides of the gray matter in the spinal cord. a.Posterior commissure b.Gray commissure c.Lateral commissure d.Denticulate ligaments
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:1-This structure contains unmyelinated axons and serves as a communication route between
the right and left sides of the gray matter in the spinal cord.
a.Posterior commissure
b.Gray commissure
c.Lateral commissure
d.Denticulate ligaments
e.White commissure
2-In the brain, the outer cerebral cortex consists of gray matter, but in the spinal cord, gray
matter is confined to the innermost regions. True/False
3-The tapered, conical inferior end of the spinal cord is called the conus
A. finalis
B. medullaris
C. equine
D. caudalis
E. sacralis
4-lf a person suffers a thorax-crushing injury and is unable to breathe properly, you would
a-Transverse cervical nerve
b-Sciatic nerve
c-Greater auricular nerve
d-Phrenic nerve
e-Accessory nerve suspect that this nerve was damaged.
5-In a lumbspace between the dura mater and arachnoid mater.
a-space between the arachnoid mater and pia mater.
b-space just superficial to the dura mater.
c-central canal of the spinal cord.
d-space just deep to the pia mater.ar puncture (spinal tap), fluid is extracted from the
6-A spinal nerve contains
a-motor axons only.
b-sensory axons only.
Transcribed Image Text:c-both motor axons and sensory axons.
7-The lateral horns of the spinal cord contain
a-axons of sensory neurons and interneuron cell bodies.
b-axons of motor neurons and interneuron cell bodies.
C-axons of sensory and motor neurons.
d-cell bodies of autonomic motor neurons.
e-axons of interneurons.
8-The spinal cord allows for two-way communication between the brain and body.. True\Fal
9-A network of interwoven anterior rami of spinal nerves is a
a-ganglion.
b-ramus.
c-plexus.
d-dermatome.
e-communicans.
10-The largest and longest nerve in the body is the
nerve.
a-sciatic
b-femoral
-saphenous
d-radial
e-obturator
11-A rapid, automatic, involuntary reaction of muscles or glands to a particular stimulus is a(an)
a-motor impulse.
b-reflex.
c-receptor stimulation.
d-autonomic reaction.
e-subconscious impulse.
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