Part 2

Question 1

Ilium

Answer 1

Large, winglike bone that supports the abdominal muscles- prominent hip bone. Articulates with the sacrum at the sacroiliac joint.

Question 2

Ischium

Answer 2

Makes up lower and back portion of the hip- fuses with ilium and pubis.

Question 3

Pubic bone

Answer 3

Pubis symphosis: Cartilaginous portion where the left and right pubic bone join.

Question 4

Pectoral girdle

Answer 4

Also known as the shoulder girdle- supports upper extremities. Includes the scapula and clavicle, also sternum.

Question 5

Scapula

Answer 5

Attachment point for several muscles. Attaches to the clavicle and allows for flexibility and movement.

Question 6

Clavicle

Answer 6

Collarbone. Provides anterior support for shoulder. Attaches to sternum and anterior portion of scapula.

Question 7

Ribs (4 components)

Answer 7

12 pairs of ribs that attach to sternum by means of costal cartilage except for the lowest 2. 4 components are head, neck, shaft, and angle.

Question 8

Head

Answer 8

Provides articulating surface with the spinal column

Question 9

Neck

Answer 9

Portion right below the head of the rib

Question 10

Shaft

Answer 10

Body of rib

Question 11

Angle

Answer 11

Point at which the rib begins to curve forward

Question 12

True ribs

Answer 12

Upper ribs 1-7 directly attach to sternum via a cartilaginous attachment

Question 13

False ribs

Answer 13

Ribs 8-10 attach to sternum via cartilage which runs superiorly

Question 14

Floating ribs

Answer 14

Ribs 11 and 12 articulate only with the vertebral column

Question 15

Do all ribs attach to the vertebral column?

Answer 15

Yes.

Question 16

Which way to ribs slope?

Answer 16

Down while at rest, but elevate during respiration

Question 17

Sternum (3 components)

Answer 17

Attaches to clavicle and articulates with ribs by means of costal cartilage. Components are manubrium sterni, body/corpus, and xiphoid process.

Question 18

Manubrium sterni

Answer 18

Uppermost segment of sternum that contains suprasternal notch. Articulates with clavicle and first rib.

Question 19

Body/corpus of sternum

Answer 19

Articulates with 6 ribs. The junction of body and manubrium sterni is known as the manubrosteral angle.

Question 20

Xiphoid process

Answer 20

Provides attachment to linea alba (midline of ab)

Question 21

Pelvic girdle

Answer 21

Supports the lower extremities and attaches legs to the vertebral column. Consists of ilium, ischium, sacrum, and pubic bone.