Human Anatomy & Physiology: Chapter 6 - Bones and Sketetal Tissue (True/False) Flashcards


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created 8 years ago by kstrand
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True/False Questions
updated 8 years ago by kstrand
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1

Hematopoiesis refers to the formation of blood cells within the red marrow cavities of certain bones.

True

2

Compact bone is replaced more often than spongy bone.

False

3

Bones are classified by whether they are weight-bearing or protective in function.

False

4

The periosteum is a tissue that serves only to protect the bone because it is not supplied with nerves or blood vessels.

False

5

Short, irregular and flat bones have large marrow cavities in order to keep the weight of the bones light.

False

6

In newborn infants, the medullary cavity and all areas of spongy bone contain yellow bone marrow.

False

7

The structural unit of compact bone (osteon) resembles the growth rings of a tree trunk.

True

8

The term "osteoid" refers to the organic part of the matrix of compact bones.

True

9

Sixty-five percent of the mass of bone is a compound called hydroxyapatite.

True

10

All bones formed by intramembranous ossification are irregular bones.

False

11

An osteon contains osteocytes, lamellae, and a central canal, and is found in compact bone only.

True

12

The trabeculae of spongy bone are oriented toward lines of stress.

True

13

Bone tissue in the skeleton of a human fetus is completely formed at six months' gestation.

False

14

Each consecutive bone lamella has collagen fibers that wrap in alternating directions.

True

15

Cartilage has a flexible matrix which can accommodate mitosis of chrondrocytes.

True