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Biology
University
Unit 5: Spinal Cord, Spinal Nerves, Cranial Nerves & Reflexes
19 questions
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- 1. Multiple Choice
The portions of white matter are:
Anterior White Columns
Lateral White Columns
Posterior White columns
All of the above
- 2. Multiple Choice
Parts of the gray matter are:
Anterior Gray Horn
Posterior Gray Horn
Lateral Gray horn
Gray Commissure
all of the above
- 3. Multiple Choice
The Central Canal:
The deep indentation on the posterior surface of the spinal cord
Is a narrow passageway that runs lengthwise through the central commissure of spinal cord.
a deep indentation on the anterior surface of the spinal cord.
A and C
- 4. Multiple Choice
The Posterior Median Sulcus:
deep indentation on the posterior surface of the spinal cord.
is a narrow passageway that runs lengthwise through the centralcommissure of the spinal cord.
deep indentation on the anterior surface of the spinal cord.
A and C
- 5. Multiple Choice
The Anterior Median Fissure:
deep indentation on the anterior surface of the spinal cord.
deep indentation on the posterior surface of the spinal cord.
a narrow passageway that runs lengthwise through the centralcommissure of the spinal cord.
A and B
- 6. Multiple Choice
What 3 meninges CT membranes that cover spinal cord as well as the brain?
pia mater
arachnoid
duramater
all of the above
- 7. Multiple Choice
what is the space between the arachnoid and Pia mater called?
Subarachnoid space
epidural space
epidural fat
none of the above
- 8. Multiple Choice
The space between the dura mater and the inside if the vertebral foramen of the vertebrae is called?
epidural space
epidural fat
pia mater
subarachnoid space
- 9. Multiple Choice
Spinal nerves are:
bundles of neurons that arise form either side of the spinal cord in 31 pairs.
connects to the posterior gray horn and contains only sensoryfibers. It contains a group of cell bodies
connects to the anterior gray horn and contains motor fibers.
none of these
- 10. Multiple Choice
Each spinal nerve connects to the spinal cord via two
roots
fats
nerves
cords
- 11. Multiple Choice
The posterior (DORSAL) root:
connects to the anterior gray horn and contains motor fibers.
connects to the posterior gray horn and contains only sensory fibers.
It contains a group of cell bodies (of sensory neurons) in a thickened portion.
they contain both sensory and motor fibers.
- 12. Multiple Choice
A group of cell bodies (of sensory neurons) in a thickened portion called a:
The posterior (dorsal) root
The anterior (ventral) root
posterior (dorsal) root ganglion
mixed nerves
- 13. Multiple Choice
The anterior and posterior roots join together to form a spinal nerve.
True
False
- 14. Multiple Choice
Spinal nerves are mixed nerves, meaning that they contain both sensory and motor fibers.
True
False
- 15. Multiple Choice
How many pairs does cervical spinal nerves have?
8
5
12
1
- 16. Multiple Choice
how many pairs does thoracic spinal nerves have?
8
12
5
1
- 17. Multiple Choice
how many pairs does lumbar spinal nerves have?
8
12
5
1
- 18. Multiple Choice
how many pairs does sacral spinal nerves have?
8
12
5
1
- 19. Multiple Choice
how many pairs does coccygeal have?
8
12
5
1
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