Exam 1 Flashcards
The ______ is the outer layer of the cerebrum.
cortex
The primary motor cortex is important for initiating ______.
motor movements
The primary motor cortex contains what kind of motor neurons?
Upper motor neurons
Both the ______ area and the ______ area are important for planning, initiating, and selecting the correct movement.
premotor; supplementary
What cortical area receives sensory information from the body?
Primary somatosensory area or primary sensory cortex
The basal ganglia is in what part of the brain?
Subcortex
The basal ganglia regulates aspects of motor control via the mechanism of ______.
inhibition
The ______ can be described as a relay station.
thalamus
The ______ is the site of many reflexes involved in respiration, body temperature, swallowing, and digestion.
brainstem
What specialized nerves come from the brainstem?
Cranial nerves
The cortex exerts ______ control of movement, while the cerebellum exerts ______ control of movement.
contralateral; ipsilateral
The ______ guides voluntary movements.
somatic nervous system
The ______ regulates involuntary movements.
autonomic nervous system
What nerves in the PNS allow you to feel pain and other sensations?
Afferent (input)
What nerves in the PNS connect the CNS to muscles to trigger movement?
Efferent (output)
What nerves in the PNS control involuntary function?
Autonomic
Upper motor neurons originate from the ______.
motor cortex
Upper motor neurons ______ voluntary movement.
initiate
Lower motor neurons originate from the ______ or ______.
brainstem; spinal cord
Lower motor neurons ______ voluntary movement.
execute
Cranial nerves control what parts of the body?
The head and neck
The Trigeminal nerve (CN V) provides sensory information from the ______ and motor impulses to the muscles of ______.
face; chewing
The Facial nerve (CN VII) provides ______ information from the front of the tongue and motor impulses to the muscles of the ______.
taste; face
The Glossopharyngeal nerve (CN IX) provides ______ information from the back of the tongue, as well as other sensory information from the ______, ______, and ______.
taste; posterior tongue; tonsils; pharynx
The Glossopharyngeal nerve (CN IX) sends motor impulses to the muscles involved in ______.
swallowing
The three branches of the Vagus nerve (CN X) are the ______, ______, and ______.
pharyngeal; superior laryngeal; recurrent laryngeal
The ______ branch of the Vagus provides sensory information from the ______ and motor impulses to the ______ and ______.
pharyngeal; pharynx; soft palate; pharynx
The ______ branch of the Vagus has two branches: ______ and ______.
superior laryngeal; intrinsic; extrinsic
The intrinsic branch provides sensory information from the ______.
larynx
The extrinsic branch controls the ______ muscle and the ______ pharyngeal constrictor.
cricothyroid; inferior
The ______ side of the recurrent laryngeal branch is longer/travels further.
left
The recurrent laryngeal branch provides motor control to all the intrinsic muscles of the larynx except the ______.
cricothyroid muscles
The recurrent laryngeal branch provides sensory information from ______ the vocal folds.
below