Nervous System - Part 1

Question 1

What cells are the macrophages of the central nervous system?

Answer 1

Microglial cells

Question 2

What cells of the nervous system remove cellular debris by phagocytosis?

Answer 2

Microglial cells

Question 3

After a local brain injury, what type of cells will experience a massive increase?

Answer 3

Microglial cells

Question 4

How many anatomical regions makes up the central nervous system?

Answer 4

Six

Question 5

What does the midbrain, pons, and medulla make up?

Answer 5

The brain stem

Question 6

What is the condition called when you are aware of and to respond to ones surroundings?

Answer 6

Consciousness

Question 7

What is the name of what makes up the 2 major brain hemispheres?

Answer 7

Telencephalon

Question 8

What is the role of the cerebral cortex?

Answer 8

Sensory integration and conscious sensory perception

Question 9

What part of the telencephalon modulates the motor functions of cerebral cortex ? (planning of complex movements)

Answer 9

Basal ganglia

Question 10

Which part of the telencephalon is responsible for memory and spatial learning?

Answer 10

Hippocampus

Question 11

What part of the nervous system transfers and modulates information to the cerebral cortex based on input from sensory organs and other parts of the brain, to maintain homeostasis?

Answer 11

Diencephalon

Question 12

What part of the brain makes up the thalamus and hypothalamus?

Answer 12

The diencephalon

Question 13

What is the name of the relay station for most afferents from the eyes, ears, skin, as well as from other parts of the brain passing the information to the cerebral cortex?

Answer 13

Thalamus

Question 14

What is name of the part of the brain that controls hormone secretions of the pituitary gland, and plays a major role in body fluid homeostasis?

Answer 14

Hypothalamus

Question 15

The mesencephalon (midbrain), pons, and medulla oblongata all make up what part of the nervous system?

Answer 15

The brainstem

Question 16

What part of the nervous system is responsible for conveying information between the brain and the spinal cord?

Answer 16

The brainstem

Question 17

What contains cell bodies that control heart activity, blood pressure, and circulation; respiratory movements and digestive processes?

Answer 17

The brainstem

Question 18

What part of the nervous system contains the substantia nigra, which is involved in the control of skeletal muscles?

Answer 18

Mesencephalon

Question 19

What part of the nervous system contains the cell bodies and dendrites of motor neurons as well as axons carrying information from/to the brain?

Answer 19

The spiral cord

Question 20

What part of the nervous system controls reflexes?

Answer 20

The spiral cord

Question 21

In mammals, where does the spinal cord end?

Answer 21

In the lumbar region

Question 22

Caudal to the end of the spinal cord, what does the vertebral canal contain?

Answer 22

Cauda equine

Question 23

What color matter does the cell bodies and dendrites make up?

Answer 23

Grey matter

Question 24

What color matter do the axons make up?

Answer 24

White matter

Question 25

Action potentials generated on sensory afferents enter the spinal cord along axons in what roots?

Answer 25

Dorsal roots

Question 26

Action potentials generated on the motor efferents exit the spinal cord along axons in what roots?

Answer 26

Ventral roots

Question 27

What does each spinal cord segment give rise to?

Answer 27

One pair of spinal nerves that innervate muscles and skin in that particular body segment

Question 28

What is associated with numbing of the skin within the relevant zone?

Answer 28

Injury to the spinal cord