Multiple Choice
5.1 Gastrulation and formation of the neural tube (neurulation)
1. What is the primary goal of gastrulation in embryonic development?
a. Formation of the neural tube
b. Formation of the three germ layers
c. Differentiation of neurons
d. Formation of the limbs
Answer: b
2. Which germ layer gives rise to the neural plate, initiating the process of neurulation?
a. Endoderm
b. Ectoderm
c. Mesoderm
d. Epidermis
Answer: b
3. Neurulation is the process responsible for the formation of the:
a. Brain, spinal cord, and neural tube
b. Muscles and bones
c. Circulatory system
d. Respiratory system
Answer: a
4. During neural development, what is the role of neural ectoderm?
a. Forming muscles and bones
b. Initiating gastrulation
c. Providing oxygen to developing tissues
d. Differentiating into neurons and glial cells
Answer: d
5. Neural stem cells have the potential to develop into which two primary cell types in the
nervous system?
a. Neurons and blood cells
b. Neurons and glial cells
c. Muscle cells and neurons
, Introduction to Behavioral Neuroscience Instructor Answer Guide
d. Skin cells and neurons
Answer: b
6. What critical event occurs during neurulation?
a. The development of the eyes and ears
b. The formation of the limb buds
c. The closure of the neural tube
d. The development of the cerebral hemispheres
Answer: c
7. Which of the following is a major structural brain defect characterized by the incomplete
closure of the neural tube during embryonic development?
a. Lissencephaly
b. Autism spectrum disorder
c. Spina bifida
d. Fetal alcohol syndrome
Answer: c
8. What is the primary cause of anencephaly, a severe structural brain defect where parts of
the brain and skull fail to develop?
a. Exposure to excess sunlight during pregnancy
b. Alcohol consumption during pregnancy
c. Folic acid deficiency during pregnancy
d. Consumption of caffeine during pregnancy
Answer: c
9. During neurulation, the neural plate transforms into which structure?
a. The spinal cord
b. The neural crest
c. The neural tube
d. The cerebral cortex
Answer: c
5.2 Growth and development of the early brain
10. What is the process of brain segmentation during embryonic development primarily
responsible for?
a. Formation of the cerebral cortex
b. Development of the brainstem
2
Updated October 2024
5.1 Gastrulation and formation of the neural tube (neurulation)
1. What is the primary goal of gastrulation in embryonic development?
a. Formation of the neural tube
b. Formation of the three germ layers
c. Differentiation of neurons
d. Formation of the limbs
Answer: b
2. Which germ layer gives rise to the neural plate, initiating the process of neurulation?
a. Endoderm
b. Ectoderm
c. Mesoderm
d. Epidermis
Answer: b
3. Neurulation is the process responsible for the formation of the:
a. Brain, spinal cord, and neural tube
b. Muscles and bones
c. Circulatory system
d. Respiratory system
Answer: a
4. During neural development, what is the role of neural ectoderm?
a. Forming muscles and bones
b. Initiating gastrulation
c. Providing oxygen to developing tissues
d. Differentiating into neurons and glial cells
Answer: d
5. Neural stem cells have the potential to develop into which two primary cell types in the
nervous system?
a. Neurons and blood cells
b. Neurons and glial cells
c. Muscle cells and neurons
, Introduction to Behavioral Neuroscience Instructor Answer Guide
d. Skin cells and neurons
Answer: b
6. What critical event occurs during neurulation?
a. The development of the eyes and ears
b. The formation of the limb buds
c. The closure of the neural tube
d. The development of the cerebral hemispheres
Answer: c
7. Which of the following is a major structural brain defect characterized by the incomplete
closure of the neural tube during embryonic development?
a. Lissencephaly
b. Autism spectrum disorder
c. Spina bifida
d. Fetal alcohol syndrome
Answer: c
8. What is the primary cause of anencephaly, a severe structural brain defect where parts of
the brain and skull fail to develop?
a. Exposure to excess sunlight during pregnancy
b. Alcohol consumption during pregnancy
c. Folic acid deficiency during pregnancy
d. Consumption of caffeine during pregnancy
Answer: c
9. During neurulation, the neural plate transforms into which structure?
a. The spinal cord
b. The neural crest
c. The neural tube
d. The cerebral cortex
Answer: c
5.2 Growth and development of the early brain
10. What is the process of brain segmentation during embryonic development primarily
responsible for?
a. Formation of the cerebral cortex
b. Development of the brainstem
2
Updated October 2024
