Parts Of The Spinal Cord Flashcards
What are the four main parts of the spinal cord?
Cervical, Thoracic, Lumbar, Sacral
How many pairs of spinal nerves are in the cervical region?
8 pairs
True or False: The thoracic region of the spinal cord has 12 pairs of spinal nerves.
True
Fill in the blank: The lumbar region of the spinal cord has ___ pairs of spinal nerves.
5 pairs
What is the number of spinal nerve pairs in the sacral region?
5 pairs
Which part of the spinal cord contains the most nerve pairs?
Cervical region
How many total pairs of spinal nerves are there in the human body?
31 pairs
What is the primary function of the cervical spinal nerves?
They control the neck, shoulders, arms, and hands.
Which spinal cord region is responsible for controlling the trunk and abdominal muscles?
Thoracic region
What is the role of lumbar spinal nerves?
They control the lower back and legs.
True or False: Sacral spinal nerves are involved in controlling the pelvic organs.
True
List the regions of the spinal cord in order from top to bottom.
Cervical, Thoracic, Lumbar, Sacral
What is the function of the spinal cord?
To transmit signals between the brain and the rest of the body.
Fill in the blank: The thoracic region has ___ pairs of nerves.
12 pairs
What is the primary function of the sacral spinal nerves?
They control the lower limbs and pelvic organs.
How many pairs of lumbar spinal nerves are there?
5 pairs
Which region of the spinal cord has the least number of nerve pairs?
Sacral region
Multiple Choice: Which region does not have a corresponding number of spinal nerve pairs? A) Cervical B) Thoracic C) Lumbar D) Coccygeal
D) Coccygeal
What is the total number of thoracic spinal nerves?
12 pairs
True or False: Each spinal nerve is formed by the fusion of dorsal and ventral roots.
True
Which spinal nerves are responsible for the sensation and movement in the arms?
Cervical spinal nerves
What is the role of the thoracic spinal nerves?
They innervate the chest and upper abdominal muscles.
Fill in the blank: The total number of sacral spinal nerves is ___ pairs.
5 pairs
What anatomical structure connects the spinal cord to the peripheral nervous system?
Spinal nerves
