BIO 3100 CH 7 PreClass Assignment 2

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How many pairs of ribs articulate directly with the sternum?

12

How many vertebrae comprise the thoracic region of the spine?

12

How many ribs make up the rib cage?

24

Identify the typical number of vertebrae that fuse during development to form the coccyx.

3-5

How many pairs of ribs are considered false ribs?

5

Name the number of vertebrae that fuse together to form the sacrum.

5

How many pairs of ribs articulate directly with the sternum?

7

How many vertebrae make up the cervical region of the vertebral column?

7

What feature (or features) allows the bony thoracic cage to increase or decrease its volume during breathing?

All of the listed responses are correct.

Identify the region of the sacrum that articulates with the hip bone.

Auricular surface

Identify a unique characteristic of a typical cervical vertebra.

Bifid spinous process

Another name for axis is:

C2

Which region of the vertebral column contains the smallest vertebrae?

Cervical region

Name the type of connective tissue that anchors the ribs onto the sternum.

Hyaline cartilage

Individual vertebrae articulate with each other forming the vertebral column. Identify the part of a vertebra that articulates immediately with the vertebra below it.

Inferior articular processes

Which of the following structures would not be found within a vertebral foramen?

Intervertebral discs

Which landmark is composed of fused spinous processes?

Median sacral crest

Identify the region of the skull that articulates with the atlas.

Occipital condyles

Name the vertebral projection oriented in a median plane.

Spinous process

Which region of the vertebral column is located superior to the thoracic region and which region is inferior to the thoracic region, respectively?

Superiorly: cervical and inferiorly: lumbar

Which of the following thoracic vertebrae is the largest?

T12

Which of these statements about the true ribs is FALSE?

They don't move during respiration.

Identify the articulation site for a tubercle of a rib.

Transverse costal facet

Foramina located in the _____ is a characteristic of cervical vertebrae.

Transverse processes

Identify the region of a rib that articulates with the transverse process of a vertebra.

Tubercle

What part of the sternum is palpated prior to giving CPR?

Xiphoid Process

The cervical vertebra that allows you to nod your head is the __________.

atlas

What is the name of the first cervical vertebra?

atlas

Which vertebra lacks both a body and spinous process?

atlas

Identify the articulation site that allows us to rotate our head, e.g. shaking the head "no".

atlas-axis

What is the name of the second cervical vertebra?

axis

Identify the central portion of the sternum.

body

Which part of a vertebra is known as the centrum?

body

Which spinal curve develops as the infant learns to support the head?

cervical

Which of the following bones do NOT make up the thoracic cage?

clavicle

Identify the tailbone.

coccyx

Identify the articulation site for the head of a rib.

demi-facet

Identify the part of a rib that articulates in the demi-facets of the thoracic vertebra.

head

Spinal nerves run to and from the spinal cord within what structure?

intervertebral foramina

Which of these organs does the sacrum NOT protect?

kidney

Compression fractures associated with osteoporosis of vertebral bodies can distort the normal thoracic curvature of the vertebral column in a posterior direction. Such a distortion is called __________.

kyphosis

Which of these regions of the vertebral column would be most accessible from a posterior surgical approach?

lamina

In some individuals, body fat accumulates almost exclusively in the belly region. Because of the enlarged belly, the individual has a swayback appearance. The clinical term for this distortion of the vertebral curvature is called __________.

lordosis

Identify the shield shaped top of the sternum.

manubrium

Identify the articulation site that allows us to nod our head "yes".

occipital-atlas

The two spinal curves present at birth are called __________ curves.

primary

Which of these is NOT a spinal curve?

prominens

This facet on the transverse process of thoracic vertebrae provides an articulation site for a __________.

rib

Identify the bony posterior wall of the pelvis.

sacrum

Name the vertebral process indicated by the arrow.

spinous

The spinous processes are especially long on __________ vertebrae.

thoracic

The ribs articulate with the __________.

transverse costal facets of the thoracic vertebrae

Identify a lateral projection of a vertebra.

transverse process

The weight-bearing region of a vertebra is the __________.

vertebral body

When administering CPR, one structure that serves as both a landmark and a cause for concern is the __________.

xiphoid process


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