The Musculoskeletal System

Question 1

The framework that gives the body its recognizable form; also designed to allow motion of the body and protection of vital organs

Answer 1

skeleton

Question 2

A band of fibrous tissue that connects bones to bones; it supports and strengthens a joint

Answer 2

ligament

Question 3

The fibrous connective tissue that attaches muscle to bone

Answer 3

tendons

Question 4

The support structure of the skeletal system that provides cushioning between bones; also forms the nasal septum and portions of the outer ear

Answer 4

cartilage

Question 5

The part of the skeleton comprising the skull, spinal column, and rib cage

Answer 5

axial skeleton

Question 6

The portion of the skeletal system that comprises the arms, legs, pelvis, and shoulder girdle

Answer 6

appendicular skeleton

Question 7

the chest or rib cage

Answer 7

thoracic cage

Question 8

the chest cavity that contains the heart, lungs, esophagus, and great vessels

Answer 8

thorax (thoracic cavity)

Question 9

The area of the head above the ears and eyes; the skull. It contains the brain

Answer 9

cranium

Question 10

A large opening at the base of the skull through which the brain connects to the spinal cord

Answer 10

foramen magnum

Question 11

the most posterior portion of the cranium

Answer 11

occiput

Question 12

The lateral portions on each side of the cranium

Answer 12

temporal regions

Question 13

The areas between the temporal and occipital regions of the cranium

Answer 13

parietal regions

Question 14

The upper jawbones that assist in the formation of the orbit, the nasal cavity, and the palate and hold the upper teeth

Answer 14

maxillae

Question 15

The quadrangular bones of the cheek, articulating with the frontal bone, the maxillae, the zygomatic processes of the temporal bone, and the great wings of the sphenoid bone

Answer 15

zygomas

Question 16

The bone of the lower jaw

Answer 16

mandible

Question 17

The eye socket, made up of the maxilla and sygoma

Answer 17

orbit

Question 18

the 33 bones that make up the spinal column

Answer 18

vertebrae

Question 19

The first seven vertebrae in the neck

Answer 19

cervical spine

Question 20

a set of 12 vertebrae, with a pair of ribs attached to each one

Answer 20

thoracic spine

Question 21

the 5 vertebrae of the lower back

Answer 21

lumbar spine

Question 22

5 vertebrae that are fused together to form one bone

Answer 22

sacrum (sacral vertebrae)

Question 23

the last 4 vertebrae; fused together; also called the tailbone

Answer 23

coccyx

Question 24

The breastbone

Answer 24

sternum

Question 25

the upper quarter of the sternum

Answer 25

manubrium

Question 26

The narrow, cartilaginous lower tip of the sternum

Answer 26

xiphoid process

Question 27

The proximal portion of the upper extremity, made up of the clavicle, the scapula, and the humerus

Answer 27

shoulder girdle

Question 28

The collarbone; it is lateral to the sternum and anterior to the scapula

Answer 28

clavicle

Question 29

The shoulder blade

Answer 29

scapula

Question 30

The supporting bone of the upper arm

Answer 30

humerus

Question 31

The inner bone of the forearm, on the side opposite the thumb

Answer 31

ulna

Question 32

The bone on the thumb side of the forearm

Answer 32

radius

Question 33

The 3 bones that fuse to form the pelvic ring

Answer 33

ilium, ischium, and pubis

Question 34

A hard bony and cartilaginous prominence found at the midline in the lowermost portion of the abdomen where the two halves of the pelvic ring are joined by cartilage at a joint with minimal motion

Answer 34

pubic symphysis

Question 35

The depression on the lateral pelvis where its three component bones join, in chich the femoral head fits snugly

Answer 35

acetabulum

Question 36

thigh bone; the longest and one of the strongest bones in the body

Answer 36

femur

Question 37

the proximal end of the femur, articulating with the acetabulum to form the hip joint

Answer 37

femoral head

Question 38

A bony prominence on the proximal lateral side of the thigh, just below the hip joint.

Answer 38

greater trochanter

Question 39

The projection on the medial/superior portion of the femur

Answer 39

lesser trochanter

Question 40

kneecap; a specialized bone that lies within the tendon of the quadriceps muscle

Answer 40

patella

Question 41

shin bone, the larger of the two bones of the lower leg

Answer 41

tibia

Question 42

The place where two bones come into contact

Answer 42

joint (articulation)

Question 43

A type of joint that has grown together forming a very stable connection

Answer 43

symphysis

Question 44

The fibrous sac that encloses a joint

Answer 44

joint capsule

Question 45

The connection point between the pelvis and the vertebral column

Answer 45

sacroiliac joint

Question 46

The lining of a joint that secretes synovial fluid into the joint space

Answer 46

synovial membrane

Question 47

The small amount of liquid within a joint used as lubrication

Answer 47

synovial fluid

Question 48

A joint that allows internal and external rotation, as well as bending

Answer 48

ball-and-socket joint

Question 49

joints that can bend and straighten, but cannot rotate; they restrict motion to one plane

Answer 49

hinge joints

Question 50

bend

Answer 50

flex

Question 51

straighten

Answer 51

extend

Question 52

The bones and voluntary muscles of the body

Answer 52

musculoskeletal system

Question 53

Involuntary muscle; it constitutes the bulk of the gastrointestinal tract and is present in nearly every organ to regulate automatic activity

Answer 53

smooth muscle

Question 54

the heart muscle

Answer 54

cardiac muscle

Question 55

muscle that is attached to bones and usually crosses at least one joint; striated, or voluntary, muscle

Answer 55

skeletal muscle

Question 56

The large muscle that covers the front of the humerus

Answer 56

biceps

Question 57

the muscle in the back of the upper arm

Answer 57

triceps