Chapter 7/8 - The Skeletal System

Question 1

Types of bones

Answer 1

long, short, flat irregular, sesamoid

Question 2

Long bone

Answer 2

longer than wide (i.e. humerus)

Question 3

Short bone

Answer 3

cube shaped, made of compact and spongy bones (i.e. carpals, tarsals)

Question 4

Irregular bone

Answer 4

i.e. calcaneous, vertebra

Question 5

Sesamoid bone

Answer 5

found in tendons or ligaments, more friction=development (i.e. patella)

Question 6

Cranium

Answer 6

encloses and protects brain

Question 7

Facial bones

Answer 7

form face

Question 8

Paranasal sinuses

Answer 8

bones that makeup- frontal, ehtomid, sphenoid, maxillary

Question 9

Fontanels

Answer 9

• made of connective tissue cartilage
• allows growth in newborns
• calcifies into sutures

Question 10

Hyoid bone

Answer 10

• no articulation

- tongue connects, some ligaments

Question 11

Vertebral column

Answer 11

• protects spinal cord

- separated by intervertebral disk

Question 12

Intervertebral disk

Answer 12

• acts like a sponge
• permits various movements
• absorb vertical shock
• nucleus pulpous
• annulus fibrosus (gel)

Question 13

Primary curves

Answer 13

• thoracic, sacral

- convex

Question 14

Secondary curves

Answer 14

• cervical, lumbar

- concave

Question 15

Scoliosis

Answer 15

abnormal lateral curve

Question 16

Kyphosis

Answer 16

hunchback

Question 17

Lordosis

Answer 17

exaggerated lumbar curvature (common in obese or pregnant women)

Question 18

Sternum

Answer 18

fusion of manubrium, body, and xiphoid process

Question 19

Vertebrosternal (true) ribs

Answer 19

• ribs 1-7

- own cartilage

Question 20

Vertebrochondral (false) ribs

Answer 20

• ribs 8-10

- share cartilage

Question 21

Floating ribs

Answer 21

• ribs 11-12

- no cartilage

Question 22

Pectoral girdle

Answer 22

attach uper extremity to skeleton (i.e. scapula and clavicle)

Question 23

Pelvic girdle

Answer 23

coxal bones (ilium, ischium, pubis)

Question 24

Upper limbs

Answer 24

humerus, radius and ulna, carpals, metacarpals, phalanges

Question 25

Lower limbs

Answer 25

femur, tibia and fibula, patella, tarsals, metatarsals, phalanges

Question 26

Identifying a person by bone: 1. Race; 2. Age; 3. Gender

Answer 26

Race- skull
Age- long bone
Gender- pelvis