Chapter 7: The Skeleton

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Which part of the vertebral column receives the most stress by bearing most of the weight of the body?

The lumbar region.

Thoracic vertebrae differ from the others in that______.

They have facets for attachment of ribs

The pelvic girdle does not include the _____.

Sacrum

The articulation that most closely resembles a hinge in the body involves which bones?

Humerus-ulna

The major function of the invertebral discs is to ____.

absorb shock

The bone in contact with the first metatarsal is ________.

medial cuneiform

A bone that contains diaphysis and epiphysis are ______.

humerus

The short bone that attaches to the 3rd metacarpal is the _______.

Capitate

The major function of the axial skeleton is to _____.

Provide central support for the body and protect internal organs.

Which of the following statements is true regarding the location of the center of gravity of the body?

It is 1cm posterior to the sacral promontory

The superior nasal concha is a part of which bone?

Ethmoid

T/F All vertebra possess a body, spine, and a transverse foramina.

False

The skull bone that the foramen magnum passes through is the _____.

Occipital

T/F There are 7 cervical, 12 thoracic, and 5 lumbar vertebrae.

True

Only the ____ vertebra does not have a body?

Atlas

Choose the statement that is most correct about orbits.

The orbits are formed of both facial and cranial bones

T/F The Colle's fracture is a break in the distal end of the radius.

True

T/F The vomer forms part of the nasal septum.

True

The axial skeleton contains _____.

The skull, vertebral column, and pelvis

T/F In women of child bearing age, te dimensions of the true pelvis are of utmost importance.

True

T/F A temporal bone protrusion riddled with sinuses is the styloid process.

False

T/F Coastal cartilages join most ribs to the sternum.

True

Which of the following is true about paranasal sinuses?

Paranasal sinuses enhance the resonance of the voice and lighten the skull

T/F The largest and strongest bone of the face is the maxilla.

False

T/F Ribs numbered 11 and 12 are true ribs bc they have no anterior attachments.

False

The structure found on the femur is the_____.

linea aspera

Paranasal sinuses are found in these facial bones.

maxillae

Which is an abnormal lateral curvature of the vertebral column often seen in the thoracic region?

Scolliosis

What is the largest portion of the coxal bone?

ilium

Abnormal curve in pregnant women as they attempt to preserve their center of gravity is ______.

lordosis

T/F Costal cartilages join most ribs to the sternum.

True

The hyoid bone is unique because ______.

it's the only bone that does not articulate with any other bone

Ethmoid bone is composed of all except ____.

inferior nasal concha

Which portion of the fibula articulates with the talus?

lateral maleolus

The middle nasal concha is part of which bone?

Ethmoid

The "true twist" or carpus consists of ____.

A group of 8 short bones united by ligaments

T/F The most common site of fracture in the humerus is the anatomical neck.

False

The membranous areas between the cranial bones of the fetal skull are called _____.

fontanels

The pituitary gland is housed in the _____.

sella turcica of the sphenoid

The anebrachium is composed of which two bones?

Radius and ulna

The _____ skeleton forms the longitudinal axis of the body. Its principal subdivisions are the skull, vertebral column, and thoracic cage. It prvides support and protection by enclosure.

Axial

T/F The vertebral column includes 24 moving vertebrae (7 cervical, 12 thoracic, and 5 lumbar).

True

The _______ skeleton consists of bones of the pectoral and pelvic girdles and the limbs. It allows mobility for manipulation and locomotion.

Appendicular

T/F Long bones continue to grow in length until late adolescence.

True

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