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Skeletal System Physiology Test

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

Which function of the skeletal system would be especially important if you were in a car accident?

a)

storage of minerals

b)

protection of internal organs

c)

Facilitation of movement

d)

Fat storage

2.

Bone tissue can be described as ________.

a)

dead calcified tissue

b)

cartilage

c)

the skeletal system

d)

dense, hard connective tissue

3.

Without red marrow, bones would not be able to ________.

a)

store phosphate

b)

store calcium

c)

make blood cells

d)

move like levers

4.

Yellow marrow has been identified as ________.

a)

an area of fat storage

b)

a point of attachment for muscles

c)

the hard portion of bone

d)

the cause of kyphosis

5.

Which of the following can be found in areas of movement?

a)

hematopoiesis

b)

cartilage

c)

yellow marrow

d)

red marrow

6.

The skeletal system is made of ________.

a)

muscles and tendons

b)

bones and cartilage

c)

vitreous humor

d)

minerals and fat

7.

Most of the bones of the arms and hands are long bones; however, the bones in the wrist are categorized as ________.

a)

flat bones

b)

short bones

c)

sesamoid bones

d)

irregular bones

8.

Sesamoid bones are found embedded in ________.

a)

joints

b)

muscles

c)

ligaments

d)

Tendons

9.

Bones that surround the spinal cord are classified as ________ bones.

a)

irregular

b)

sesamoid

c)

flat

d)

Short

10.

Which category of bone is among the most numerous in the skeleton?

a)

long bone

b)

sesamoid bone

c)

short bone

d)

flat bone

11.

Long bones enable body movement by acting as a ________.

a)

counterweight

b)

resistive force

c)

lever

d)

Fulcrum

12.

Which of the following occurs in the spongy bone of the epiphysis?

a)

bone growth

b)

bone remodeling

c)

hematopoiesis

d)

shock absorption

13.

The fibrous membrane covering the outer surface of the bone is the ________.

a)

periosteum

b)

epiphysis

c)

endosteum

d)

Diaphysis

14.

Which cells do not originate from osteogenic cells?

a)

osteoblasts

b)

osteoclasts

c)

osteocytes

d)

osteoprogenitor cells

15.

Which of the following are only found in cancellous or spongy bone?

a)

canaliculi

b)

Volkmann’s canals

c)

trabeculae

d)

calcium salts

16.

Why is cartilage slow to heal?

a)

because it eventually develops into bone

b)

because it is semi-solid and flexible

c)

because it does not have a blood supply

d)

because endochondral ossification replaces all cartilage with bone

17.

In endochondral ossification, what happens to the chondrocytes?

a)

They develop into osteocytes.

b)

They die in the calcified matrix that surrounds them and form the medullary cavity.

c)

They grow and form the periosteum.

d)

They group together to form the primary ossification center.

18.

Which of the following bones is (are) formed by intramembranous ossification?

a)

the metatarsals

b)

the femur

c)

the ribs

d)

the flat bones of the cranium

19.

A fracture can be both ________.

a)

open and closed

b)

open and transverse

c)

transverse and greenstick

d)

greenstick and comminuted

20.

In a compound fracture, ________.

a)

the break occurs at an angle to the bone

b)

the broken bone does not tear the skin

c)

one fragment of broken bone is compressed into the other

d)

broken bone pierces the skin

21.

Which of the following is part of the axial skeleton?

a)

scapula

b)

femur

c)

Calcaneus

d)

vertebral column

22.

Which of the following is a function of the axial skeleton?

a)

allows for movement of the wrist and hand

b)

protects nerves and blood vessels at the elbow

c)

supports trunk of the body

d)

allows for movements of the ankle and foot

23.

The axial skeleton _________.

a)

consists of 126 bones

b)

forms the vertical axis of the body

c)

includes all bones of the body trunk and limbs

d)

includes only the bones of the lower limbs

24.

The cervical region of the vertebral column consists of _______.

a)

7 vertebrae

b)

12 vertebrae

c)

5 vertebrae

d)

a single bone fused together at the base of the spinal column

25.

True ribs are _________.

a)

ribs 8 - 12

b)

attached via their costal cartilage to the next higher rib

c)

made entirely of bone and thus do not have any cartilage

d)

attached via their costal cartilage directly to the sternum

26.

The pelvis _________.

a)

has a subpubic angle that is larger in females

b)

consists of the two hip bones, but does not include the sacrum or coccyx

c)

has an obturator foramen, an opening that is defined in part by the sacrospinous and sacrotuberous ligaments

d)

has a space located inferior to the pelvic brim called the greater pelvis

27.

Which tarsal bone articulates with the tibia and fibula?

a)

calcaneus

b)

cuboid

c)

navicular

d)

talus

28.

How can a fractured diaphysis release fat globules into the bloodstream?

a)

The bone pierces fat stores in the skin.

b)

The yellow marrow in the diaphysis is exposed and damaged.

c)

The injury triggers the body to release fat from healthy bones.

d)

The red marrow in the fractured bone releases fat to heal the fracture.

29.

Calcium cannot be absorbed from the small intestine if ________ is lacking.

a)

vitamin D

b)

vitamin K

c)

calcitonin

d)

Fluoride

30.

Which one of the following foods is best for bone health?

a)

carrots

b)

liver

c)

leafy green vegetables

d)

oranges

31.

What is the medical term for the kneecap?

a)

Scapula

b)

Patella

c)

Tarsals

d)

Carpals

32.

What is the medical term for your shoulder blades?

a)

Scapula

b)

Patella

c)

Tarsals

d)

Carpals

33.

What is the medical term for your wrist bones?

a)

Scapula

b)

Patella

c)

Tarsals

d)

Carpals

34.

What is the medical term for your ankle bones?

a)

Scapula

b)

Patella

c)

Tarsals

d)

Carpals

35.

What is the largest and heaviest bone in the body?

a)

Fibula

b)

Tibia

c)

Humerus

d)

Femur

36.

How many vertebrae are there in the thoracic vertebrae?

a)

7

b)

12

c)

5

d)

10

37.

How many vertebrae are there in the lumbar vertebrae?

a)

7

b)

12

c)

5

d)

10

38.

What is the name given to the long, middle section of a long bone?

a)

diaphysis

b)

epiphyses

c)

epiphyseal plate

d)

periosteum

39.

What structure does "A" represent?

a)

central Haversian canal

b)

osteon

c)

osteocyte

d)

canaliculi

40.

What structure does "B" represent?

a)

central Haversian canal

b)

osteon

c)

osteocyte

d)

canaliculi

41.

What structure does "C" represent?

a)

central Haversian canal

b)

osteon

c)

osteocyte

d)

canaliculi

42.

What structure does "D" represent?

a)

central Haversian canal

b)

osteon

c)

osteocyte

d)

canaliculi

43.

Which of the following are TWO functions of bone marrow?

a)

Blood cell formation and stores fat

b)

Connects bone to bone and muscles to bones

c)

Stores carbohydrates and minerals for later use

d)

Provides structural support and form to our bodies

44.

Which of the following cell types build bone?

a)

Osteocyte

b)

Osteoblast

c)

Osteoclast

d)

Fibroblast

45.

What type of connective tissue covers the ends of bone at joints?

a)

Ligaments

b)

Hyaline Cartilage

c)

Fibrocartilage

d)

Dense Connective Tissue

46.

Which of the following is not a function of the skeletal system?

a)

support

b)

protection

c)

hematopoiesis

d)

Respiration

47.

Is bone an organ or a tissue?

a)

Organ

b)

Tissue

48.

What is the medical term for a bone cell?

a)

Fibrocyte

b)

Chondrocyte

c)

Melanocyte

d)

Osteocyte

49.

What bone is highlighted?

a)

Skull (Mandible)

b)

Clavicle

c)

Mandible

d)

Scapula

50.

a)

tibia

b)

fibula

c)

femur

d)

radius