Chapter 12/13 Flashcards
loss of taste is ____ nerve damage
glossopharyngeal nerve
inability to speak is ____ nerve damage
vagus nerve
vision is ____ nerve damage
optic nerve fuzzy
loss of feeling in the forehead is ____ nerve damage
trigeminal nerve
limited ability to turn the neck is ____ nerve damage
accessory nerve
the brain and spinal cord
CNS
The largest and most advanced portion of the brain; divided into two hemispheres.
Cerebrum
the two divisions of the cerebrum
Cerebral Hemisphere
The crevice that runs along the length of the brain and divides the cerebral hemispheres.
Longitudinal fissure
The portion of the brain that controls skeletal muscle movement.
Cerebellum
Lower portion of the brain composed of the pons, midbrain, and medulla oblongata.
brain stem
The portion of the central nervous system that passes through the vertebral column.
spinal cord
Long, striated muscle that is attached to the bone.
skeletal muscle
The ability of an organism to maintain relatively stable internal conditions while external conditions change.
homeostasis
A small region of the brain stem.
midbrain
The parts of the nervous system outside of the brain and spinal cord; composed of nerves and ganglia.
PNS
A system that rapidly communicates information throughout the body; composed of the brain, the spinal cord, nerves, and ganglia.
Nervous system
Median nerve
Select one:
a. provides motor innervation to the biceps brachii
b. innervates two forearm muscles plus most of the intrinsic hand muscles
c. innervates all but one of the flexor muscles of the forearm and most of the hand muscles near the thumb
d. innervates the deltoid and teres minor muscles
e. innervates the triceps brachii
c. innervates all but one of the flexor muscles of the forearm and most of the hand muscles near the thumb
If a person fell down the steps and then developed pain down his anterior thigh into the knee, which of the following spinal nerves was probably damaged?
Select one:
a. obturator
b. femoral
c. tibial
d. common fibular (peroneal)
e. pudendal
b. femoral
The branch of a spinal nerve that innervates deep muscles on the dorsal thorax is the
Select one:
a. ramus communicans.
b. lateral ramus.
c. dorsal ramus.
d. ventral ramus.
e. medial ramus.
c. dorsal ramus.
A
cervical enlargement
D
Cauda equina
E
filium terminale
C
conus medullar is