Chapter 5 - The Skeletal System

Aging is usually accompanied by the following event:

C. A loss of bone density

Bone (matching)

C. Hard connective tissue

Foramen (matching #2)

C. Hole in a bone where a blood vessel or nerve passes through it

Which of the following is true of a long bone?

C. The diaphysis grows in opposite directions to elongate the bone

The only joint type that is freely mobile is the...

D. Both A and C (Synovial and Diarthrosis)

Ligament (matching)

D. Connective tissue that binds bone to bone

Most of the facial bones, and the arm and leg bone, are classified on the basis of their embryological development as:

D. Endoskeleton

Axial skeleton (matching #2)

D. Skull and vertebral column

Articulation (matching)

E. Junctions between bones

Which of the following is an example of a long bone?

*A. Femur* B. Patella C. Vertebra D. Frontal bone

A cell that builds bone tissue is the...

*A. Osteoblast* B. Osteoclast C. Fibroblast D. None of the above

A reduction of these cells would slow bone growth and hardening in adults

*A. Osteoblasts* B. Fibrocytes C. Osteoclasts D. Melanocytes

Degenerative changes in joints can be slowed or stopped by

*A. Regular weight-bearing exercise* B. Resting the joints C. Nonweight - bearing exercise D. None apply

A bone that is broken but does not pierce the skin is a(n)

*A. Simple fracture* B. Complete fracture C. Compound fracture D. Incomplete fracture

The structural classifications of joints include all but...

*A. Synarthrosis* B. Cartilaginous C. Fibrous D. Synovial

This tarsal bone articulates with the distal tibia and fibula

*A. Talus* B. One of the three cuneiform bones C. Calcaneous D. Metatarsal

The membrane soft spots of a newborn's skull

A. Are synovial in nature B. Occur only as a result of illness *C. are called fontanels* D. Become foramina

Appendicular skeleton (matching #2)

A. Arms and legs

Which is the following pairing of vertebra and their number is correct?

A. Cervical - five B. Thoracic - seven *C. Lumbar - five* D. Sacrum - three

An articulation not intended to have motion is...

A. Diarthrotic B. Amphiarthrotic *C. Synarthrosis* D. Synovial

The scapula is formed by what bone formation?

A. Ectopic *B. Intramembranous* C. Endochondral D. None of the above

During endochondral ossification...

A. Hyaline cartilage changes to adipose tissue B. Osteoblasts break down bone *C. Hyaline cartilage is replaced by bone* D. Simple fractures are more common

Which of the following is NOT a general shape to classify bones?

A. Long B. Short *C. Rectangular* D. Irregular

An abnormal lateral curvature of the spine is called

A. Lordosis B. Kyphosis C. Hunchback *D. Scoliosis*

What type of joint disease is described by the autoimmune inflammation of the synovial membrane?

A. Osteoarthritis *B. Rheumatoid arthritis* C. Osteoporosis D. Gout

The carpometacarpal joint of thumb is what type of joint?

A. Pivot B. Gliding C. Hinge *D. Saddle joint*

What type of synovial joint is found between the carpal and metacarpal of the thumb?

A. Pivot B. Hinge C. Condyloid *D. Saddle*

What structure is the site of bone growth in length?

A. Primary ossification center *B. Epiphyseal plates* C. Periosteum D. None apply

Which of the following is a function of the skeleton?

A. Produces blood cells B. Provides sites for muscle attachment C. Protects internal organs *D. All apply*

Which type of joint is correctly matched with the amount of movement they allow?

A. Synarthrosis - slight movement B. Amphiarthrosis - immovable *C. Diarthrosis - freely movable* D. All are correctly matched

The largest of the ankle bones that forms the heel is the

A. Talus B. Navicular C. Cuboid *D. Calcaneus*

What is the only movable bone of the skull?

A. Temporal *B. Madible* C. Maxilla D. Zygomatic

Which ribs do NOT attach anteriorly to the sternum

A. True ribs B. False ribs *C. Floating ribs* D. All ribs attach to the sternum

Intramembraneous bone formation is most important for development of the

A. Upper extremeties B. Lower extremeties *C. Skull* D. Lower vertebrae

What mineral is most important for the prevention and treatment of osteoporosis?

A. Vitamin A *B. Calcium* C. Sodium D. Carnon

The pelvic bone is composed of all of the following bones except the...

A. ileum B. ischium C. Pubis *D. Sacrum*

Tendon (matching)

B. Flexible connective tissue

Compact, or coritcal bone...

B. is composed of microscopic structural units called osteons