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Worksheets

Skeletal System

Total questions: 44

Worksheet time: 22mins

Name
Class
Date
1.

Which mineral makes up the majority of our bone matrix?

a)

Calcium

b)

Sodium

c)

Lithium

d)

Magnesium

2.

What part of bones produce blood cells?

a)

Compact Bone

b)

Red Bone Marrow

c)

Yellow Bone Marrow

d)

Epiphysis

3.

Which of the following is NOT a function of bones?

a)

hematopoiesis

b)

mineral storage

c)

maintenance of body temperature

d)

protection

4.

The ends of a long bone are called the

a)

diaphysis

b)

epiphyses

c)

metaphyses

d)

endosteum

5.

Which of the following is NOT an example of a long bone?

a)

humerus

b)

tibia

c)

radius

d)

talus

6.

Bone matrix forming cells:

a)

osteocytes

b)

osteoblasts

c)

osteoclasts

d)

osteogenic cells

7.

Bone matrix destroying cells:

a)

osteocytes

b)

osteoblasts

c)

osteogenic cells

d)

osteoclasts

8.

Must be present in the blood for the nervous system to transmission, muscles contraction, and blood clotting:

a)

calcium

b)

PTH

c)

phosphorus

d)

calcitonin

9.

Bone tissue composed of small needle-like pieces of bone with open spaces:

a)

lacunae

b)

compact bone

c)

canaliculi

d)

spongy bone

10.

Activates osteoclasts to break down bone matrix so calcium is released into the blood:

a)

human growth hormone (hGH)

b)

calcitonin

c)

parathyroid hormone (PTH)

d)

insulin

11.

Process of bone formation before birth and during childhood:

a)

ossification

b)

hematopoiesis

c)

osteoporosis

d)

atrophy

12.

Mature bone cells that maintain bone matrix:

a)

osteoblasts

b)

osteomasts

c)

osteocytes

d)

osteoclasts

13.

Dense bone tissue that appears smooth and homogeneous:

a)

adipose tissue

b)

compact bone

c)

spongy bone

d)

hyaline cartilage

14.

Blood cell formation:

a)

ossification

b)

hemostasis

c)

hematopoiesis

d)

hemophilia

15.

The remnant of the growth plate found in adult bones:

a)

epiphyseal plate

b)

diaphysis

c)

epiphyseal line

d)

endosteum

16.

The long shaft of a bone:

a)

epiphyses

b)

diaphysis

c)

periosteum

d)

endosteum

17.

Vertebrae are classified as...

a)

sesamoid bones

b)

irregular bones

c)

long bones

d)

short bones

18.

The ____ is the lining of the medullary cavity.

a)

endosteum

b)

periosteum

c)

perichondrium

d)

epiphyseal lining

19.

Bone formation is called ossification.

a)

True

b)

False

20.

The replacement of cartilage by bone is called intramembranous ossification.

a)

True

b)

False

21.

The epiphyseal plate allows the diaphysis of the bone to increase in diameter.

a)

True

b)

False

22.

Bone continuously replaces itself throughout adult life.

a)

True

b)

False

23.

The decrease of estrogen levels in females after the age of 40 increases the loss of calcium from bones.

a)

True

b)

False

24.

Red bone marrow is a hematopoietic tissue.

a)

True

b)

False

25.

Hemopoiesis occurs in ____.

a)

Yellow bone marrow

b)

Red bone marrow

c)

Lacunae

d)

Osteons

26.

The distal or proximal end of a long bone is called the ____________.

a)

diaphysis

b)

metaphysis

c)

epiphysis

d)

medullary cavity

27.

The tough, fibrous membrane around the surface of a bone is called ____.

a)

endosteum

b)

articular cartilage

c)

periosteum

d)

perichondrium

28.

Trabeculae are found in ____ bone.

a)

compact

b)

spongy

c)

cortical

d)

medullary

29.

The formation of bone within fibrous connective tissue membranes is referred to as _____ ossification.

a)

endochondral

b)

intramembranous

c)

fibrous

d)

sesamoid

30.

The ongoing replacement of old bone tissue by new bone tissue is called __________.

a)

intramembranous ossification

b)

hyperchondroplasia

c)

appositional growth

d)

bone remodeling

31.

You can strengthen your bones through ____.

a)

weight-bearing exercise

b)

consuming more vitamin E

c)

spending time in space

d)

drinking apple cider vinegar

e)

not using deodorant

32.

The disorder characterized by decrease in bone mass is called ____.

a)

osteoarthritis

b)

osteogenesis imperfecta

c)

osteoporosis

d)

osteomalacia

33.

The type of ossification that has 2 ossification centers (primary and secondary)

a)

intramembranous

b)

endochondral

c)

appositional

d)

deterministic

34.

The type of ossification that features cartilage growth plates.

a)

intramembranous

b)

endochondral

c)

appositional

d)

deterministic

35.

The type of ossification that produces flat bones.

a)

intramembranous

b)

endochondral

c)

appositional

d)

deterministic

36.

The type of ossification that produces most of your bones -but not flat bones.

a)

intramembranous

b)

endochondral

c)

appositional

d)

deterministic

37.

Inhibits osteoclasts to allow bone matrix growth and deposits calcium in the bones:

a)

human growth hormone (hGH)

b)

calcitonin

c)

parathyroid hormone (PTH)

d)

insulin

38.

The type of ossification that occurs in mesenchyme and has 1 ossification center.

a)

intramembranous

b)

endochondral

c)

appositional

d)

deterministic

39.

Concentric layers of bone matrix

a)

lamellae

b)

lacunae

c)

canaliculi

d)

central canals

40.

Small holes in bone matrix that contain osteocytes

a)

lamellae

b)

lacunae

c)

canaliculi

d)

central canals

41.

Small tunnels in bone matrix that connect osteocytes for nutrient transport.

a)

lamellae

b)

lacunae

c)

canaliculi

d)

central canals

42.

Holes in compact bone that carry blood vessels from the periosteum.

a)

canaliculi

b)

lacunae

c)

perforating canals

d)

central canals

43.

Holes in compact bone that carry blood vessels lengthwise.

a)

canaliculi

b)

lacunae

c)

perforating canals

d)

central canals

44.

The basic units of compact bone

a)

trabeculae

b)

osteons

c)

osteoids

d)

canaliculi