KIN 2500 Final (Chapter 18) Test
Questions with Solved Solutions 2025-
2026 Edition.
Which of the following is NOT an extension of the dura mater?
a) falx cerebelli
b) falx cerebri
c) tentorium cerebelli
d) epidural space - Answer d) epidural space
Choroid plexuses are specialized capillaries in the CNS that:
1. are covered by ependymal cells.
2. are located in the walls of the ventricles.
3. are located in the dural venous sinuses.
4. are the sites for reabsorption of CSF.
5. are derived from the arachnoid layer of the meninges.
a) 3, 4, 5
b) 1, 2, 4, 5
c) 1, 2
d) 2, 3, 4 - Answer c) 1, 2
The blood-cerebrospinal fluid barrier
a) is the same thing as the blood-brain barrier.
b) is due mainly to tight junctions between endothelial cells of the capillaries throughout the
brain tissue.
c) protects the neurons of the brain and spinal cord from potentially harmful substances in the
blood.
d) is another name for cranial meninges. - Answer c) protects the neurons of the brain and
spinal cord from potentially harmful substances in the blood
, a) facilitate the circulation of cerebrospinal fluid in the ventricles.
b) monitor the chemical composition of the blood.
c) secrete cerebrospinal fluid into the ventricles.
d) all of these choices. - Answer b) monitor the chemical composition of the blood
Which of the following is an incorrect statement about a feature of the medulla oblongata?
a) The inferior cerebellar peduncles are fiber tracts that connect the olives of the medulla to the
cerebellum.
b) The vestibular nuclear complex is found mostly in the medulla.
c) Pyramids contain the main sensory tracts that pass through the brain stem from the spinal
cord; they are visible on the dorsal surface of the medulla.
d) Vital reflex centers for control of heart rate, breathing rate, and blood pressure are located in
the medulla. - Answer c) pyramids contain the main sensory tracts that pass through the brain
stem from the spinal cord; they are visible on the dorsal surface of the medulla
The regions of the brain stem involved in the control of respiration are the
a) medulla and pons.
b) pons and midbrain.
c) midbrain and medulla.
d) midbrain, pons, and medulla. - Answer a) medulla and pons
The tectum of the midbrain bears four rounded elevations
a) called substantia nigra.
b) that control all subconscious muscle activities.
c) that transmit all sensory and motor information between the upper and lower brain regions.
d) that control reflex movements in response to visual and auditory stimuli. - Answer d) that
control reflex movements in response to visual and auditory stimuli
The cerebellar peduncles conduct information into and out of the cerebellum. The correct
statement is
Questions with Solved Solutions 2025-
2026 Edition.
Which of the following is NOT an extension of the dura mater?
a) falx cerebelli
b) falx cerebri
c) tentorium cerebelli
d) epidural space - Answer d) epidural space
Choroid plexuses are specialized capillaries in the CNS that:
1. are covered by ependymal cells.
2. are located in the walls of the ventricles.
3. are located in the dural venous sinuses.
4. are the sites for reabsorption of CSF.
5. are derived from the arachnoid layer of the meninges.
a) 3, 4, 5
b) 1, 2, 4, 5
c) 1, 2
d) 2, 3, 4 - Answer c) 1, 2
The blood-cerebrospinal fluid barrier
a) is the same thing as the blood-brain barrier.
b) is due mainly to tight junctions between endothelial cells of the capillaries throughout the
brain tissue.
c) protects the neurons of the brain and spinal cord from potentially harmful substances in the
blood.
d) is another name for cranial meninges. - Answer c) protects the neurons of the brain and
spinal cord from potentially harmful substances in the blood
, a) facilitate the circulation of cerebrospinal fluid in the ventricles.
b) monitor the chemical composition of the blood.
c) secrete cerebrospinal fluid into the ventricles.
d) all of these choices. - Answer b) monitor the chemical composition of the blood
Which of the following is an incorrect statement about a feature of the medulla oblongata?
a) The inferior cerebellar peduncles are fiber tracts that connect the olives of the medulla to the
cerebellum.
b) The vestibular nuclear complex is found mostly in the medulla.
c) Pyramids contain the main sensory tracts that pass through the brain stem from the spinal
cord; they are visible on the dorsal surface of the medulla.
d) Vital reflex centers for control of heart rate, breathing rate, and blood pressure are located in
the medulla. - Answer c) pyramids contain the main sensory tracts that pass through the brain
stem from the spinal cord; they are visible on the dorsal surface of the medulla
The regions of the brain stem involved in the control of respiration are the
a) medulla and pons.
b) pons and midbrain.
c) midbrain and medulla.
d) midbrain, pons, and medulla. - Answer a) medulla and pons
The tectum of the midbrain bears four rounded elevations
a) called substantia nigra.
b) that control all subconscious muscle activities.
c) that transmit all sensory and motor information between the upper and lower brain regions.
d) that control reflex movements in response to visual and auditory stimuli. - Answer d) that
control reflex movements in response to visual and auditory stimuli
The cerebellar peduncles conduct information into and out of the cerebellum. The correct
statement is
