Mastering A&P Ch. 7

What is the main function of the bones of the appendicular skeleton?

Aid in motion

Which of the following is an opening in a bone?

Canal (meatus)

The pelvic girdle consists of two bones, the clavicle and scapula, which support the upper limb and anchor it to the trunk.

False

T/F Ribs 8-12 are considered false because they do not directly attach to the sternum by their own cartilage. Instead, the costal cartilage of ribs 8-10 attach to the cartilage of the seventh rib.

True

The distal end of the fibula articulates with the ________.

talus

Geri has pain behind her ear lobe and was diagnosed with mastoiditis. Which bone is affected?

temporal bone

What bones meet at the lambdoid suture?

the occipital bone and parietal bones

Where are the two primary curvatures seen in the vertebral column of a fetus?

thoracic and sacral

What bones form the forearm (antebrachium)?

ulna and radius

How many lumbar vertebrae exist in the vertebral column?

5

What part of scapula articulates with the clavicle?

acromion

The weight-bearing structure of a vertebra is the ______.

body

Wrist bones are known as _______.

carpals

What part of the scapula articulates with the humerus?

glenoid cavity

What structure is present on the second cervical vertebra (axis) that allows you to rotate your neck to say "no"?

dens (odontoid process)

The largest and strongest bone in the body is the ______.

femur

Membranous areas, or "soft spots", seen in the skull of an infant are called __________.

fontanels

The palatine bone contributes to the suture of the _________.

hard palate

What part of each metacarpal forms the "knuckle" of your hand?

head

List bones that form the upper limb proximal to distal

humerus, ulna and radius, carpals, metacarpals, phalanges

Which part of the coxal bone articulates with the sacrum?

ilium

What three bones fuse during childhood to form the coxal bone?

ilium, ischium, pubis

Which bones house teeth?

mandible and maxillary bones

In anatomical position, the ulna is ______ to the radius.

medial

Which prominent arch runs along the medial side of the foot from the calcaneus to metatarsals I-III?

medial longitudinal arch

What pair of bones meets along the sagittal suture?

parietal bones

The thumb is the ______ while the great toe is the ______.

pollex; hallux

Which bone marking provides a site where bones articulate or to which ligaments and tendons attach?

projection