Unit 3 Bone Types And Classifications

Question 1

What are the two types of osseous (bone) tissue?

Answer 1

1. Compact bone
2. Spongy bone

Question 2

What are the characteristics of compact bone?

Answer 2

1. Dense
2. Looks smooth
3. Homogenous

Question 3

What are the characteristics of spongy bone?

Answer 3

1. Spikey
2. Open appearance
3. Like a sponge

Question 4

How many bones are in the human body?

Answer 4

206

Question 5

What are the four bone categories?

Answer 5

1. Long
2. Short
3. Flat
4. Irregular

Question 6

What are the characteristics of long bones?

Answer 6

1. Typically longer than they are wide
2. Have a shaft with enlarged ends
3. Mostly compact bone with spongy bone at the ends

Question 7

Where are long bones found in the body?

Answer 7

All bones of the limbs except the knee cap (patella), the wrist and ankle bones.

Question 8

What is the most well known long bone?

Answer 8

Femur

Question 9

What are the characteristics of short bones?

Answer 9

1. Generally cube shaped
2. Mostly spongy bone
3. Have an outer layer of compact bone

Question 10

Where are short bones found in the body?

Answer 10

1. The bones of the wrist and ankle
2. Patella (knee cap)

Question 11

What is the most well known short bone

Answer 11

Patella (knee cap)

Question 12

What are sesamoid bones?

Answer 12

A special type of short bone that connects within tendons

Question 13

What are the characteristics of flat bones?

Answer 13

1. Thin or flattened
2. Usually curved
3. Two thin layers of compact bone sandwiching a layer of spongy bone

Question 14

Where are flat bones found in the body?

Answer 14

1. Skull
2. Ribs
3. Sternum (breast bone)
4. Scapula (shoulder blade)

Question 15

What are characteristics irregular bones?

Answer 15

1. Bones that do not fit into the other categories of long, short or flat.
2. Mostly made up of spongy bone
3. Outer layer of compact bone

Question 16

What are examples of irregular bones?

Answer 16

1. Pelvis
2. Vertebrae of the spinal column