Unit 2 Test: The Skeletal System

Question 1

Examples of long bones

Answer 1

Femur, humerus, limbs

Question 2

General description of short bones

Answer 2

Length= width

Question 3

Examples of short bones

Answer 3

Carpals, tarsals, patella

Question 4

General description of flat bones

Answer 4

Flat, thin surfaces; surfaces for muscle attachment

Question 5

Examples of flat bones

Answer 5

Skull, scapulae, sternum, ribs

Question 6

General description of irregular bones

Answer 6

Complex shapes

Question 7

Examples of irregular bones

Answer 7

Sesamoid, sutural bones

Question 8

Distinguish between the axial and appendicular skeleton.

Answer 8

Axial= trunk 
Appendicular= limbs

Question 9

Most bones have both compact and spongy bone tissue. Why?

Answer 9

Compact= protection

Spongy=reduces weight

Question 10

What is the diaphysis?

Answer 10

Middle part of bone

Question 11

What are the epiphysis in the bones

Answer 11

The ends

Question 12

What are fibrous joints?

Answer 12

Immovable, closely contact each other

Question 13

Example of fibrous joint

Answer 13

Skull

Question 14

What are cartilaginous joints?

Answer 14

Limited movement, absorb shock, equalize pressure

Question 15

Example of cartilaginous joints

Answer 15

Pubic symphysis, 1st rib with sternum, vertebrae

Question 16

What are synovial joints?

Answer 16

Freely movable
Allow free movement
Contain a joint capsule composed of an outer layer of ligaments, inner layer of synovial fluid

Question 17

Example of synovial joints

Answer 17

Hip joint, arm joint, knee

Question 18

Ball-shaped head articulates with cup shaped cavity of another bone

Answer 18

Ball and socket

Question 19

Oval-shaped confuse of one bone fits into elliptical cavity of another bone

Answer 19

Condyloid joint

Question 20

Nearly flat or slightly curved

Answer 20

Gliding joint

Question 21

Convex surface of one bone fits into concave surface of another bone

Answer 21

Hinge joint

Question 22

Proximal ends of radius and ulna

Answer 22

Pivot joint

Question 23

Forms between bones whose articulating surfaces have both concave and convex regions

Answer 23

Saddle joint

Question 24

Example of ball and socket joint

Answer 24

Shoulder, hip

Question 25

Example of condyloid joint

Answer 25

Joints between metacarpals and phalanges

Question 26

Example of gliding joint

Answer 26

Wrist, ankle, ribs 2-7 with sternum

Question 27

Examples of hinge joint

Answer 27

Elbow, phalanges

Question 28

Example of pivot joint

Answer 28

Radius and ulna

Question 29

Examples of saddle joints

Answer 29

Carpals with metacarpals

Tarsals with metatarsals

Question 30

Supination

Answer 30

Turning hand so palm faces anteriorly

Question 31

Circumduction

Answer 31

Moving in a circular motion

Question 32

Elevation

Answer 32

Shrugging shoulders

Question 33

Flexion

Answer 33

Bending to decrease the angle

Question 34

Abduction

Answer 34

Moving away from the midline

Question 35

Adduction

Answer 35

Moving towards the midline

Question 36

Rotation

Answer 36

Twisting head side to side

Question 37

Extension

Answer 37

Straightening to increase angle

Question 38

General description of long bones

Answer 38

Longer than it is wide

Have a diaphysis

Question 39

Turning the palms of the hands upwards

Answer 39

Supination

Question 40

Shrugging the shoulders

Answer 40

Elevation

Question 41

Bending the arm at the elbow

Answer 41

Flexion

Question 42

Reaching for an object that is just beyond one’s reach

Answer 42

Extension

Question 43

Moving the legs apart to an “at ease” position

Answer 43

Abduction

Question 44

Moving the legs together in an “attention” position

Answer 44

Adduction

Question 45

Swiveling the head

Answer 45

Rotation