BIO 1121 - A&P I - CSCC - Exam 3 Preparation – CNS || with A+ Guaranteed Solutions.
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BIO 1121 - A&P I - CSCC -
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BIO 1121 - A&P I - CSCC -
WHAT ARE THE 5 TYPES OF NEUOGLIAL CELLS? correct answers Astrocytes - Found in the CNS. They help form the blood brain barrier (BBB).
Ependymal cells - found in the CNS that produce cerebral spinal fluid.
Microglia cells - found in the CNS and provide protection. They will engulf invading microb...
BIO 1121 - A&P I - CSCC - Exam 3 Preparation – CNS ||
with A+ Guaranteed Solutions.
WHAT ARE THE 5 TYPES OF NEUOGLIAL CELLS? correct answers Astrocytes - Found in
the CNS. They help form the blood brain barrier (BBB).
Ependymal cells - found in the CNS that produce cerebral spinal fluid.
Microglia cells - found in the CNS and provide protection. They will engulf invading microbes
or clear debris from dead cells.
Oligodendrocytes - found in the CNS that produce the myelin sheaths.
Schwann Cells - found in the PNS that form the myelin sheaths for PNS neurons.
What are the characteristics of neurons? correct answers Extreme Longevity - up to 100 years,
amitotic - do not divide, high metabolic rate, Irritable
myelin sheath function correct answers insulates axon; speed the delivery of an action potential
What are the 3 portions and functions to the diencephalon? correct answers thalamus - serves as
a sensory relay center
hypothalamus - involved in the maintenance of homeostasis
epithalamus (pineal gland) - secretes the hormone melatonin, involved in sleep-wake cycles.
Located deepest within the brain
frontal lobes function correct answers Involved in thinking, reasoning, planning, personality,
speaking and muscle movements, etc.
This area of the brain receives information from various lobes of the brain and utilizes this
information to carry out body movements.
parietal lobe function correct answers Reception and evaluation of most sensory information
(excluding smell, hearing and vision)
- interpreting visual information
- processing language and mathematics
- Processing somatosensory information, including fine touch, pressure, temperature, pain
(somatosensory cortex is in the post-central gyrus)
temporal lobe function correct answers hearing and smell; processing of some taste; contains the
hippocampus is also located in the temporal lobe, which is why this portion of the brain is also
heavily associated with the formation of memories.
occipital lobe function correct answers vision; receives and interprets information from the
retinas of the eyes, is located in the occipital lobe.
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