ANA 109 EXAM 5 LATEST
QUESTIONS AND
ANSWERS 2026 - 2027
Which of the following functions does CSF NOT do?
A. Support brain and spinal cord through buoyancy
B. chemically and immunologically buffer surrounding fluid
C. develop new neurons
D. homeostatically regulate ions and nutrients - ANSWERS-C. Develop
new neurons
Which CNS region has this function: higher brain functions? -
ANSWERS-Cerebrum
Which CNS region has this function: Diencephalon? - ANSWERS-
Homostatic control
Which CNS region has this function: spinal cord? - ANSWERS-
Information superhighway
Which CNS region has this function: cerebellum? - ANSWERS-
Movement Control
END OF
PAGE 1
, ANA 109 EXAM 5 LATEST
QUESTIONS AND
ANSWERS 2026 - 2027
The role of CSF is to do what? - ANSWERS-To provide neutral
buoyancy to the CNS
Damage to the ____ would prevent the flow of CSF from the spinal cord
and brain. - ANSWERS-Cerebral Aqueduct
What is the common type of neuron within the CNS? - ANSWERS-A
multipolar neuron
How could you distinguish between whether a disease (or damage) to
the CNS causes a loss or an over-production of astrocytes? -
ANSWERS-A loss of astrocytes would lead to over-excitability of
neurons and overproduction might lead to a decrease in neuron activity
What would happen if all microglia cells were lost from the CNS? -
ANSWERS-Immune surveillance within the CNS would be decreased
Sensory neurons ___ sensory information in to forms understandable by
the ___. - ANSWERS-Transduce, central nervous system
END OF
PAGE 2
QUESTIONS AND
ANSWERS 2026 - 2027
Which of the following functions does CSF NOT do?
A. Support brain and spinal cord through buoyancy
B. chemically and immunologically buffer surrounding fluid
C. develop new neurons
D. homeostatically regulate ions and nutrients - ANSWERS-C. Develop
new neurons
Which CNS region has this function: higher brain functions? -
ANSWERS-Cerebrum
Which CNS region has this function: Diencephalon? - ANSWERS-
Homostatic control
Which CNS region has this function: spinal cord? - ANSWERS-
Information superhighway
Which CNS region has this function: cerebellum? - ANSWERS-
Movement Control
END OF
PAGE 1
, ANA 109 EXAM 5 LATEST
QUESTIONS AND
ANSWERS 2026 - 2027
The role of CSF is to do what? - ANSWERS-To provide neutral
buoyancy to the CNS
Damage to the ____ would prevent the flow of CSF from the spinal cord
and brain. - ANSWERS-Cerebral Aqueduct
What is the common type of neuron within the CNS? - ANSWERS-A
multipolar neuron
How could you distinguish between whether a disease (or damage) to
the CNS causes a loss or an over-production of astrocytes? -
ANSWERS-A loss of astrocytes would lead to over-excitability of
neurons and overproduction might lead to a decrease in neuron activity
What would happen if all microglia cells were lost from the CNS? -
ANSWERS-Immune surveillance within the CNS would be decreased
Sensory neurons ___ sensory information in to forms understandable by
the ___. - ANSWERS-Transduce, central nervous system
END OF
PAGE 2
