Bio 201 exam 5 latest updated 2024 with 100%
correct questions and answers
What parts make up the "brain"? - answer-1. Hindbrain.
2. Midbrain.
3. Forebrain.
4. Cerebrum.
5. Brainstem.
What makes up the hindbrain? - answer-pons, medulla oblongata, and the
cerebellum
The superior colliculus and the inferior colliculus, belong to what part of the
brain? - answer-midbrain
Where can you find the hypothalamus and the thalamus? - answer-forebrain
The cerebrum consists of what? - answer-basal ganglia and the cerebral cortex
Diencephalon is another name for what? - answer-forebrain
What makes up the brainstem? - answer-midbrain, pons, medulla
The brain contains two hemispheres, name the deep dividing line that seperates
them. - answer-longitudinal fissure
The raised folds or bumps on the brain are knwon as what? - answer-gyrus
Another name for a groove is _____. - answer-sulcus
,The surface layer of gray matter is known as what? - answer-cerebral cortex
Nuclei are deeper masses of______ ____. - answer-gray matter
If nuclei are deeper masses of gray matter, then what makes up white matter? -
answer-bundles of axons
Name the two anatomical subdivisions of the nervous system. - answer-1. Central
nervous system (cns)
2. Peripheral nervous system (pns)
A cluster of neuronal cell bodies found outside of the cns is known as what? -
answer-ganglion
A cluster of neuronal cell bodies found in the cns is known as what? - answer-
nucleus
The brain and spinal cord belong to which system? - answer-cns
The pns consists of what? - answer-nerves & ganglia, not in cns
Name the two functional divisions of the pns. - answer-1. Sensory - afferent.
2. Motor - efferent.
If receptors are signaling to the cns, which division of the pns is being used? -
answer-sensory - afferent
What are effectors? - answer-organs that carry out response
, Which division has the cns signaling effectors? - answer-motor - efferent
The motor - efferent- division can be further divided into what two branches? -
answer-1. Visceral motor division.
2. Somatic motor division.
Which of the two subdivisions of the motor division, is also known as the
"autonomic nervous system"? - answer-visceral motor division
What effectors can be found in the ans? What about the somatic motor division? -
answer-1. Cardiac muscle, smooth muscle, glands.
2. Skeletal muscle.
Define: ipsilateral - answer-same side of body
Define: contralateral - answer-opposite side of body
Define: decussation - answer-crossing of fibers from one side of the cns, to the
other
Define: commisure - answer-anatomical site where fibers decussate
What does the following statement mean:
"fibers terminate on the contrallateral side because they decussate at a
commisure." - answer-fibers end on the oposite side of the body because they
cross at a specific site.
Define: rostral - answer-toward the forehead
Define: caudal - answer-toward the cord (of the spine)
correct questions and answers
What parts make up the "brain"? - answer-1. Hindbrain.
2. Midbrain.
3. Forebrain.
4. Cerebrum.
5. Brainstem.
What makes up the hindbrain? - answer-pons, medulla oblongata, and the
cerebellum
The superior colliculus and the inferior colliculus, belong to what part of the
brain? - answer-midbrain
Where can you find the hypothalamus and the thalamus? - answer-forebrain
The cerebrum consists of what? - answer-basal ganglia and the cerebral cortex
Diencephalon is another name for what? - answer-forebrain
What makes up the brainstem? - answer-midbrain, pons, medulla
The brain contains two hemispheres, name the deep dividing line that seperates
them. - answer-longitudinal fissure
The raised folds or bumps on the brain are knwon as what? - answer-gyrus
Another name for a groove is _____. - answer-sulcus
,The surface layer of gray matter is known as what? - answer-cerebral cortex
Nuclei are deeper masses of______ ____. - answer-gray matter
If nuclei are deeper masses of gray matter, then what makes up white matter? -
answer-bundles of axons
Name the two anatomical subdivisions of the nervous system. - answer-1. Central
nervous system (cns)
2. Peripheral nervous system (pns)
A cluster of neuronal cell bodies found outside of the cns is known as what? -
answer-ganglion
A cluster of neuronal cell bodies found in the cns is known as what? - answer-
nucleus
The brain and spinal cord belong to which system? - answer-cns
The pns consists of what? - answer-nerves & ganglia, not in cns
Name the two functional divisions of the pns. - answer-1. Sensory - afferent.
2. Motor - efferent.
If receptors are signaling to the cns, which division of the pns is being used? -
answer-sensory - afferent
What are effectors? - answer-organs that carry out response
, Which division has the cns signaling effectors? - answer-motor - efferent
The motor - efferent- division can be further divided into what two branches? -
answer-1. Visceral motor division.
2. Somatic motor division.
Which of the two subdivisions of the motor division, is also known as the
"autonomic nervous system"? - answer-visceral motor division
What effectors can be found in the ans? What about the somatic motor division? -
answer-1. Cardiac muscle, smooth muscle, glands.
2. Skeletal muscle.
Define: ipsilateral - answer-same side of body
Define: contralateral - answer-opposite side of body
Define: decussation - answer-crossing of fibers from one side of the cns, to the
other
Define: commisure - answer-anatomical site where fibers decussate
What does the following statement mean:
"fibers terminate on the contrallateral side because they decussate at a
commisure." - answer-fibers end on the oposite side of the body because they
cross at a specific site.
Define: rostral - answer-toward the forehead
Define: caudal - answer-toward the cord (of the spine)
