rasmussen BSC2346 Module 03 Quiz

QUESTION 1

Which of the following is NOT a substance found within bone tissue?

A. Phosphate

B. Calcium

C. Collagen fibers

D. Elastic fibers

QUESTION 2

What is NOT a primary function of the skeletal system?

A. Hematopoietic (blood cell production) site

B. Triglyceride (fat) storage

C. Movement

D. Calcitonin production

QUESTION 3

This type of bone cell is activated with the release of parathyroid hormone?

A. Osteocyte

B. Osteoclast

C. Osteogenic

D. Osteoblast

QUESTION 4

Which statement is NOT true regarding an osteon?

A. Found in both spongy and compact bone

B. Osteocytes are found within lacunae

C. Contains a central canal carrying blood vessels

D. Canaliculi connect lacunae to the central canal

QUESTION 5

Which statement is NOT true of red bone marrow?

A. Located in the medullary cavity of long bones in healthy adults

B. Found in flat bones such as the sternum, cranium and hip bones

C. Located in spongy bone of bones in healthy adults

D. Is hematopoietic tissue (blood cell production)

QUESTION 6

Which statement is true regarding the epiphyseal plates?

A. Found in the diaphysis region of long bones

B. Found in adult bones

C. Assists the bones in appositional growth

D. It’s a portion of bone where cartilage cells are converted to bone tissue

QUESTION 7

The trabeculae of spongy bone are well organized and align precisely along lines of stress, which ultimately help bone from breaking?

True

False

QUESTION 8

Which choice best relates and/or describes Wolf’s law of bone?

A. Relates to the amount of blood flow to bone tissue

B. The density of bone matrix of bone is determined by the mechanical stresses placed upon it

C. Influences calcium absorption by the body

D. Calcium homeostasis of blood

QUESTION 9

Bone remodeling is a function of what cells?

A. Osteocytes and chondroblasts

B. Osteoblasts and osteoclasts

C. Osteocytes and osteoclasts

D. Osteocytes and osteoblasts

QUESTION 10

The organic portion of the extracellular matrix space provides all of the following functions except for:

A. Tensile strength

B. Ability to resist stretch

C. Flexibility

D. Hardness

QUESTION 11

Which choice is true regarding calcitonin?

A. Overall, it will cause an increase in blood calcium levels

B. Increases calcium absorption in intestines

C. Activates the activity of osteoblasts

D. Increases the reabsorption of calcium in the kidneys back into the bloodstream

QUESTION 12

The majority of bones in the body are formed by endochondral ossification where a cartilage model of bone is eventually converted to bone?

True

False

QUESTION 13

Formation of the fibrocartilaginous callus in the fracture repair of bone is followed up by which process?

A. Hematoma formation

B. Bony callus formation

C. Formation of granulation tissue

D. Bone remodeling

QUESTION 14

Which choice is true of parathyroid hormone?

A. Indirectly inhibits calcium absorption in the intestines

B. Inhibits the reabsorption of calcium in the kidneys

C. Increases the production of vitamin D

D. Overall, it will cause a decrease in blood calcium levels

QUESTION 15

The inorganic portion of the extracellular matrix space is produced by the osteoblasts?

True

False