anatomy skeleton + joints lab 3

Question 1

List the bones that comprise the zygomatic arch

Answer 1

Zygomatic bone and temporal bone

Question 2

List the normal curvatures of the vertebral column

Answer 2

Cervical, thoracic, lumbar, and sacral curvature

Question 3

List the features of a typical vertebra

Answer 3

Vertebral body, vertebral arch, spinous process, transverse process, articular processes, vertebral foramen, intervertebral foramina

Question 4

Describe the modifications of the atlas (C1) and axis (C2) that permit them to allow for extensive movement of the neck

Answer 4

C1 lack of vertebral body allows for nodding of the head and C2 odontoid process allows for rotation of the head (side-side)

Question 5

Describe the modifications of thoracic vertebrae that permit articulation with the ribs

Answer 5

Costal facets allow for rib attachment and transverse costal facets for articulation with the tubercles of the ribs

Question 6

Compare the features of a typical vertebra with the features of the fused vertebrae that compose the sacrum

Answer 6

Share basic components like bodies, foramen, and nerve passageways

Question 7

Contrast the features of a typical vertebra with the features of the fused vertebrae that compose the sacrum

Answer 7

Fused structures for stability and weight transfer for joint articulation with the pelvis. A typical vertebra allows for greater flexibility and movement through independent, movable articulations and processes.

Question 8

Explain the clinical significance of the sternal angle

Answer 8

Plays a crucial role in clinical practice for identifying rib levels and assessments of thoracic structures

Question 9

Describe how a typical rib articulates with a thoracic vertebra

Answer 9

A typical rib articulates with the vertebral bodies at the costovertebral joint and with the transverse process at the costotransverse joint. These joints allow movement and flexibility for respiration.

Question 10

List the two bones that compose the pectoral girdle.

Answer 10

Clavicle (collarbone) and scapula (shoulder blade)

Question 11

List the three bones that compose the pelvic girdle

Answer 11

Ilium, ischium, and pubis

Question 12

Compare the structure and function of tarsal and carpal bones

Answer 12

Both sets of bones allow for the movement and flexibility of the limbs

Question 13

Contrast the structure and function of tarsal and carpal bones

Answer 13

Tarsal is in foot and larger and more robust to support weight and carpal is in wrist and is smaller and more flexible for movement