Page 1 of EMT Final Study Guide

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How many regions does the spine consist of?

5 regions (correct)
3 regions
9 regions
7 regions

What is the main function of the intervertebral disks?

To protect the spinal cord from injury
To allow the trunk to bend forward and limit excessive spinal motion (correct)
To provide structural support to the spine
To connect the cervical, thoracic, and lumbar regions

Which vertebrae are responsible for the origin and termination of the phrenic nerves?

L1-L5
C3-C5 (correct)
C1-C7
T1-T12

What is the name of the bony structure that encases and protects the spinal cord?

Bony arch (D) Signup and view all the answers

What is the total number of vertebrae in the spinal column?

33 vertebrae (A) Signup and view all the answers

What is the potential consequence of a spinal cord injury?

Paralysis below the level of injury (C) Signup and view all the answers

What is the primary purpose of the vertebral body?

To act as a solid block of bone for weight bearing (B) Signup and view all the answers

What is the characteristic of the thoracic bones?

They are the most numerous vertebrae in the spine (A) Signup and view all the answers

What is the role of ligaments in the spine?

They hold the intervertebral disks in place (A) Signup and view all the answers

What happens when there is excessive spinal motion?

The spinal cord becomes compressed (D) Signup and view all the answers

What is the purpose of the sacral bones?

To provide a base for the spine (C) Signup and view all the answers

What is the primary function of the coccygeal bones?

To support the pelvis (A) Signup and view all the answers

Which region of the spine contains 7 bones?

Cervix (C) Signup and view all the answers

What is the function of the vertebral body?

To absorb shock and distribute pressure (D) Signup and view all the answers

What is the name of the nerves that originate and terminate at the C3, C4, and C5 bones?

Phrenic nerves (A) Signup and view all the answers

What is the consequence of damaging the spinal cord at a certain level?

Paralysis below the damaged level (D) Signup and view all the answers

What is the purpose of the intervertebral disks?

To allow for flexibility and limit excessive motion (B) Signup and view all the answers

What is the total number of bones in the sacrum and coccyx?

5 sacral bones and 5 coccygeal bones (D) Signup and view all the answers

What is the primary purpose of the bony arch in each vertebra?

To encase and protect the spinal cord (C) Signup and view all the answers

What is the effect of damaging the spinal cord at a specific level?

Paralysis will occur below the level of injury (B) Signup and view all the answers

What is the role of the intervertebral disks in facilitating spinal motion?

They limit excessive spinal motion while allowing for flexibility (D) Signup and view all the answers

What is the significance of the C3, C4, and C5 bones in the cervical column?

They are the site of origin and termination of the phrenic nerves (C) Signup and view all the answers

What is the function of the vertebral body in each vertebra?

It provides structural support to the spinal column (D) Signup and view all the answers

What is the characteristic of the spinal column that allows for flexibility and bending?

The presence of the intervertebral disks between vertebrae (D) Signup and view all the answers