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Worksheets

The Skeletal System

Total questions: 40

Worksheet time: 20mins

Name
Class
Date
1.

What is the outer most coating of a bone called?

a)

spongy bone

b)

periosteum

c)

foramen

d)

compact bone

2.

Primary bone cell and most common type of bone cell

a)

osteoclast

b)

osteocyte

c)

osteogenic cell

d)

osteoblast

3.

Bone stem cells

a)

osteocytes

b)

osteogenic cells

c)

osteoblasts

d)

osteoclasts

4.

Bone cell responsible for forming or building new bone

a)

osteoblast

b)

osteoclast

c)

osteocyte

d)

Osteogenic cell

5.

Bone cell responsible for cleaning, bone resorption, or breakdown

a)

osteocyte

b)

osteoclast

c)

osteoblast

d)

osteogenic cell

6.

What purpose does yellow bone marrow serve?

a)

make new blood cells

b)

calcium production

c)

energy and fat storage

d)

protection

7.

What purpose does red bone marrow serve?

a)

produces red blood cells

b)

protects the spongy bone

c)

shock absorption

d)

energy and fat storage

8.

What vital mineral is stored in the bones?

a)

vitamin a

b)

vitamin b

c)

calcium

d)

magnesium

9.

Which of the following is NOT an example of how the bones protect?

a)

skull protecting the brain

b)

carpals and metacarpals protecting the hand and wrist

c)

vertebrae protecting the spinal cord

d)

rib cage protecting the heart and lungs

10.

All the bones that make up your limbs are referred to as -

a)

the axial skeleton

b)

action bones

c)

false bones

d)

the appendicular skeleton

11.

Ends of long bones (filled with spongy bone)

a)

epiphysis

b)

diaphysis

c)

medullary cavity

d)

periosteum

12.

Tubular shaft of long bone

a)

epiphysis

b)

diaphysis

c)

compact bone

d)

endosteum

13.

the hard, dense layer of bone

a)

periosteum

b)

compact

c)

spongy

d)

bone marrow

14.

thin cartilage - reduces friction and absorbs shock

a)

elastic

b)

articular

c)

vertebral disc

d)

endosteum

15.

inner layer of bone with hollow spaces containing red marrow

a)

compact

b)

spongy

c)

periosteum

d)

medullary

16.

hollow region inside bone filled with yellow marrow

a)

articular cartilage

b)

medullary cavity

c)

spongy bone

d)

nutrient foramen

17.

delicate lining of the medullary cavity

a)

endosteum

b)

periosteum

c)

compact bone

d)

diaphysis

18.

tiny holes in bone for blood vessels and nerves to enter

a)

epiphysis

b)

yellow marrow

c)

nutrient foramen

d)

medullary cavity

19.

bone that is cylindrical in shape, being longer than it is wide.

a)

long bone

b)

short bone

c)

flat bone

d)

irregular bone

20.

small, round bone that is shaped like a sesame seed

a)

long bone

b)

irregular bone

c)

sesamoid bone

d)

flat bone

21.

thin, curved bone - serve as points of attachment for muscles and protect

a)

short bone

b)

flat bone

c)

irregular bone

d)

sesamoid bone

22.

bone type that does not fit any other classification and has complex shape

a)

sesamoid bone

b)

long bone

c)

flat bone

d)

irregular bone

23.

carpals in the wrist and tarsals in the ankles are the only examples of ______ bones

a)

long

b)

short

c)

flat

d)

irregular

24.

cranial bones and the scapulae are examples of _____ bones

a)

long

b)

short

c)

flat

d)

irregular

25.

The patella is the only ____ bone

a)

flat

b)

irregular

c)

short

d)

sesamoid

26.

Which bone type provides leverage and move when the muscles contract

a)

long

b)

short

c)

flat

d)

irregular

27.

Vertebrae and facial bones are considered to be which classification of bone?

a)

short

b)

irregular

c)

flat

d)

sesamoid

28.

Name the marking based on the description: rounded surface

a)

Head

b)

Facet

c)

Process

d)

Condyle

29.

Name the marking based on the description: hole through the bone

a)

crest

b)

foramen

c)

tuberosity

d)

sinus

30.

Name the marking based on the description: opening into canal

a)

meatus

b)

sinus

c)

fossa

d)

head

31.

Name the marking based on the description: prominence feature

a)

facet

b)

fovea

c)

canal

d)

process

32.

Name the marking based on the description: rough surface

a)

spine

b)

tuberosity

c)

fossa

d)

articulation

33.

Name the marking based on the description: air-filled space in a bone

a)

sinus

b)

sulcus

c)

crest

d)

protuberance

34.

Name the type of fracture based on the description: Occurs straight across the long axis of the bone

a)

oblique

b)

transverse

c)

greenstick

d)

impacted

35.

Name the type of fracture based on the description: Occurs at an angle that is not 90 degrees

a)

transverse

b)

open

c)

spiral

d)

oblique

36.

Name the type of fracture based on the description: Bone segments are pulled apart as a result of a twisting motion

a)

comminuted

b)

transverse

c)

spiral

d)

greenstick

37.

Name the type of fracture based on the description: Several breaks result in many small pieces between two large segments

a)

greenstick

b)

transverse

c)

impacted

d)

comminuted

38.

Name the type of fracture based on the description: one fragment driven into the other usually by compression

a)

impacted

b)

greenstick

c)

transverse

d)

spiral

39.

Name the type of fracture based on the description: partial fracture (1 side of bone is broken)

a)

oblique

b)

greenstick

c)

transverse

d)

comminuted

40.

Which type of break results in at least one end of bone tearing through the skin?

a)

open/compound

b)

closed/simple

c)

hairline fracture

d)

stress fracture