test #5 Flashcards
where would neurotransmitters be released?
at the axon terminals
the insulating substances secreted by cell I onto the long process of the neuron is called ___.
a. myelin
b. microglien
c. schwann substance
d. oligodendric acid
e. none of the above
A. myelin
the neuron shown in the labeling belongs to what structural category?
multipolar
if the job of the neuron shown above was to carry commands from the spinal cord out to your trapezius muscle, them the neuron would belong to which of the following functional categories?
a. somatic sensory
b. somatic motor
c. visceral sensory
d. autonomic motor
e. none of the above
b. somatic motor
which of the following glial cells is responsible for forming the “blood-brain barrier”?
a. astrocytes
b. microglial cells
c. ependymal cells
d. satellite cells
e. none of the above
A. astrocytes
Which root of mixed spinal nerve carries motor information that is traveling out of the spinal cord to a muscle?
a. posterior root
b. anterior root
c. lateral root
d. medial root
e. none of the above
b. anterior root
which nerve plexus includes a spinal nerve that contains axons of motor neurons going to the quadriceps muscles?
a. sacral plexus
b. brachial plexus
c. pelvic plexus
d. lumbar plexus
e. none of the above
d. lumbar plexus
if your little pinky finger goes numb , which spinal nerve shown above has most likely been damaged?
Ulnar nerve (nerve T)
severing which of the following spinal nerves would result in "wrist dropping" due to paralysis of the wrist extensor muscles of the forearm? a. radial b. musculocutaneous c. axillary d. median e none of the above
a radial
which of the following spinal nerves contains axons of neurons carrying sensory information (touch, temp., pain sensations) into the spinal cord from the bottom surface of the foot?
a. dorsal pedal nerve
b. femoral nerve
c. tibial nerve
d. common fibular nerve
e. soleus nerve
c tibial nerve
Which region of the brainstem contains nuclei responsible for sneezing, vomiting, and control of vasomotion of blood vessels?
a. midbrain
b. pons
c. thalamus
d. medulla oblongata
e. none of the above
d. medulla oblongata
the cerebral fluid CSF that surrounds the brain and spinal cord is produced by which of the following..
a. arachnoid villi
b. choroid plexus
c. dural venous sinsuses
d. Sylvian aperature
e. none of the above
B. choroid plexus
the cortex of which lobe of the brain is responsible for registering and processing auditory stimulation and for forming long term memories?
temporal lobe
which structure is responsible for controlling our body temperature?
hypothalamus
suppose you come across a person that is experiencing numbness in the skin of their forehead and cheeks and is also having trouble eating because they cannot chew their food with enough force. which of the following cranial nerves would you suspect is damaged in this person?
trigeminal
