BI 232 Chapter 12: The Central Nervous System - Review
Questions and Answers 2026 Guide
1. Which embryonic structure eventually a) Neural tube
forms the CNS (brain and spinal cord)?
a) Neural tube
b) Neural crest
c) Neural canal
d) Neural folds
2. Which part of the diencephalon is the b) Thalamus
main relay station for almost all sensory
impulses to the cortex?
a) Hypothalamus
b) Thalamus
c) Epithalamus
d) Subthalamus
3. Which meningeal layer is closest to the b) Pia mater
surface of the brain, hugging every con-
volution?
a) Dura mater
b) Pia mater
c) Arachnoid mater
d) Subarachnoid space
4. In most people, which cerebral hemi- b) Left hemisphere
sphere is dominant for language tasks?
a) Right hemisphere
b) Left hemisphere
c) They share language tasks equally
d) The occipital hemisphere
5. Which brain waves are characteristic d) Alpha waves
of an awake, relaxed adult with eyes
, BI 232 Chapter 12: The Central Nervous System - Review
Questions and Answers 2026 Guide
closed?
a) Theta waves
b) Beta waves
c) Delta waves
d) Alpha waves
6. The is the outer, wrinkled cerebral cortex
layer of the cerebral hemispheres com-
posed of gray matter.
7. are shallow grooves on the Sulci
brain's surface that separate raised folds
called gyri.
8. fibers connect correspond- Commissural
ing gray areas of the two cerebral hemi-
spheres (e.g., corpus callosum).
9. The is responsible for form- hippocampus
ing and consolidating new long-term
memories.
10. The controls many auto- hypothalamus
nomic functions and links the nervous
and endocrine systems.
11. What is the functional significance of the
basal nuclei in regulating movement?
Questions and Answers 2026 Guide
1. Which embryonic structure eventually a) Neural tube
forms the CNS (brain and spinal cord)?
a) Neural tube
b) Neural crest
c) Neural canal
d) Neural folds
2. Which part of the diencephalon is the b) Thalamus
main relay station for almost all sensory
impulses to the cortex?
a) Hypothalamus
b) Thalamus
c) Epithalamus
d) Subthalamus
3. Which meningeal layer is closest to the b) Pia mater
surface of the brain, hugging every con-
volution?
a) Dura mater
b) Pia mater
c) Arachnoid mater
d) Subarachnoid space
4. In most people, which cerebral hemi- b) Left hemisphere
sphere is dominant for language tasks?
a) Right hemisphere
b) Left hemisphere
c) They share language tasks equally
d) The occipital hemisphere
5. Which brain waves are characteristic d) Alpha waves
of an awake, relaxed adult with eyes
, BI 232 Chapter 12: The Central Nervous System - Review
Questions and Answers 2026 Guide
closed?
a) Theta waves
b) Beta waves
c) Delta waves
d) Alpha waves
6. The is the outer, wrinkled cerebral cortex
layer of the cerebral hemispheres com-
posed of gray matter.
7. are shallow grooves on the Sulci
brain's surface that separate raised folds
called gyri.
8. fibers connect correspond- Commissural
ing gray areas of the two cerebral hemi-
spheres (e.g., corpus callosum).
9. The is responsible for form- hippocampus
ing and consolidating new long-term
memories.
10. The controls many auto- hypothalamus
nomic functions and links the nervous
and endocrine systems.
11. What is the functional significance of the
basal nuclei in regulating movement?
