NU 545 Unit 2 Study Guide-QUESTIONS WITH
ALL CORRECT ANSWERS!!
Review the anatomy of the brain. Which portion is responsible for keeping you awake,
controlling thought, speech, emotions and behavior, maintaining balance and posture?
Awake: Reticular Formation (Brainstem)
Thought: Prefrontal Area
Speech: Broca's Speech/Wernicke's Area
Emotion/Behavior: Hypothalamus
Balance/Posture: Cerebellum
What part of the brain must be functioning for cognitive operations?
Reticular activating system
Discuss the types of midbrain dysfunction and its physical symptoms.
movement disorders
difficulty w/ vision and hearing
memory trouble
--Parkinsonism & schizophrenia--
Know the function of the arachnoid villi.
one-way valve directing CSF outflow into the blood, but preventing blood into the subarachnoid
space
What is the function of the CSF? Where is it produced? Where is it absorbed?
, protect intracranial and spinal cord structures from jolts
prevent brain from tugging on meninges, nerve roots, and blood vessels
choroid plexus produces CSF
absorbed into circulation through arachnoid villi
Review blood flow to the brain.
CO2>> primary regulator of blood flow
internal carotid arteries
vertebral arteries
Circle of Willis
What is the gate control theory of pain?
substantia gelatinosa>> regulates pain transmission from nociceptors (pain) and non-nociceptors
(touch)>>touch inhibits pain
Know the type of nerve fibers that transmit pain impulses.
nociceptors
A-delta: sharp, localized, fast pain
C-fibers: dull, ache, burn, slow m
A-beta: touch and vibration>>no pain, but modulate
What are the two types of fibers that transmit the nerve action potentials generated by
excitation of any of the nociceptors.
A-delta: mechanonociceptors // mechanothermal nociceptors
C fibers: stimulated by nociceptors
ALL CORRECT ANSWERS!!
Review the anatomy of the brain. Which portion is responsible for keeping you awake,
controlling thought, speech, emotions and behavior, maintaining balance and posture?
Awake: Reticular Formation (Brainstem)
Thought: Prefrontal Area
Speech: Broca's Speech/Wernicke's Area
Emotion/Behavior: Hypothalamus
Balance/Posture: Cerebellum
What part of the brain must be functioning for cognitive operations?
Reticular activating system
Discuss the types of midbrain dysfunction and its physical symptoms.
movement disorders
difficulty w/ vision and hearing
memory trouble
--Parkinsonism & schizophrenia--
Know the function of the arachnoid villi.
one-way valve directing CSF outflow into the blood, but preventing blood into the subarachnoid
space
What is the function of the CSF? Where is it produced? Where is it absorbed?
, protect intracranial and spinal cord structures from jolts
prevent brain from tugging on meninges, nerve roots, and blood vessels
choroid plexus produces CSF
absorbed into circulation through arachnoid villi
Review blood flow to the brain.
CO2>> primary regulator of blood flow
internal carotid arteries
vertebral arteries
Circle of Willis
What is the gate control theory of pain?
substantia gelatinosa>> regulates pain transmission from nociceptors (pain) and non-nociceptors
(touch)>>touch inhibits pain
Know the type of nerve fibers that transmit pain impulses.
nociceptors
A-delta: sharp, localized, fast pain
C-fibers: dull, ache, burn, slow m
A-beta: touch and vibration>>no pain, but modulate
What are the two types of fibers that transmit the nerve action potentials generated by
excitation of any of the nociceptors.
A-delta: mechanonociceptors // mechanothermal nociceptors
C fibers: stimulated by nociceptors
