BIOL 1593 FINAL (FOCUS CH 9-12) EXAM QUESTIONS WITH CORRECT ANSWERS ALL VERIFIED BY AN EXPERT A+ GRADED (LATEST UPDATE)
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Course
BIOL 1593
Institution
BIOL 1593
How does neuron become depolarized?
rapid influx of sodium ions thru nerve cell membrane causes depolarization
which gated ion channels open because of change in membrane potential?
voltage channels
What are ependymal cells?
epithelial cells. line cavities of the brain and spinal cord,...
K
C
LO
BIOL 1593 - Final Exam (focus ch 9-12)
YC
BIOL 1593 FINAL (FOCUS CH
9-12) EXAM QUESTIONS
D
WITH CORRECT ANSWERS
U
ALL VERIFIED BY AN EXPERT
ST
A+ GRADED (LATEST UPDATE)
,How does neuron become depolarized?
rapid influx of sodium ions thru nerve cell membrane causes depolarization
which gated ion channels open because of change in membrane potential?
voltage channels
K
What are ependymal cells?
epithelial cells. line cavities of the brain and spinal cord, produce cerebrospinal fluid
C
identify functions of the nervous system
sensory - senses changes in body and environment
LO
motor - muscle movements or gland secretion
integration - interprets sensory info and determines the appropriate motor response
YC
Which neuroglia produce myelin in the CNS?
Oligodendrocyte
D
list the common networks of a spinal nerve
Cervical plexus, Brachial " , Lumbar ", Sacral "
U
name the 3 parts of the diencephalon
thalamus, hypothalamus, pineal gland
ST
name the 5 functional components of a reflex arc
receptor, sensory neuron, integrating center, motor neuron, effector
name the nuclei in the medulla that control autonomic function
cardiovascular centre, medullary rhythmicity centre
what are the functions of the cerebrospinal fluid?
, -Protects brain and spinal cord from trauma
-Supplies nutrients to nervous system tissue
-Removes waste products from cerebral metabolism
what is cerebral cortex made of (outermost part of brain)?
gray matter = unmyelinated axons,
neuronal cell bodies, dendrites, axon terminals and neuroglia
K
List 3 ways Hypothalamus helps with homeostasis
- controlling body temperature
- regulate eating and drinking
C
- regulate emotion
extra
LO
- secrete homones for pituitary gland
define function of the Brocas area in frontal lobe
translates thoughts into speech by coordinating muscles of speech and breathing to be able to
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speak
In which space is the cerebrospinal fluid found?
subarachnoid space
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name the 3 regions of the brain stem
- Medulla oblangata
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- pons
- midbrain
ST
Track the nerve impulse of a olfactory chemoreceptor, to its site of interpretation in the brain.
Olfactory receptors convey nerve impulses to olfactory nerves => olfactory bulbs => olfactory
tracts =>
temporal lobe of the cerebral cortex and the limbic system.
what is a mixed nerve?
nerve that carries both sensory and motor information
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