Bones Lecture

Question 1

The bone is a organ, because it contains __ or more tissues.

Answer 1

Two

Question 2

The bone has 5 tissues, they are..

Answer 2

Vascular, nervous, connective, muscular, cartilage, and osseous

Question 3

What are the functions of the bone?

Answer 3

Scaffolding, Support and Protect: CNS, Heart, Lungs, and Urinary digestive systems.

Question 4

The Cranial protects the:_______, the Rib Cage protects the _______, and the Pelvic protects the________.

Answer 4

Brian and Spinal Cord, Heart and Lung, Urinary and Digestive organs

Question 5

The matrix of bone connective tissue is sturdy and rigid due to the deposition of minerals in the matrix, a process called?

Answer 5

Calcification

Question 6

How the bones allow movement?

Answer 6

By acting like levers

Question 7

What occurs within the active (red) marrow of bones?

Answer 7

Hematopoiesis (the process of cell formation)

Question 8

What carries out the process of Hematopoiesis?

Answer 8

Stem cells in red bone marrow (located in spongy bone of the most dense bones of our body)

Question 9

True of False:

Stem cells from Hematopoiesis carry all of the different types of blood cells.

Answer 9

True

Question 10

Where is red marrow found in children?

Answer 10

Spongy bone of most of the bones of the body.

Question 11

Where is red marrow found in Adults?

Answer 11

Its not,

In adults much of the red marrow becomes inactive and turns into fatty tissue appropriately called “yellow bone marrow”

Question 12

What is Hematopoiesis ?

Answer 12

The process of cell formation

Question 13

In adults, where does Hematopoiesis occur?

Answer 13

In the Red marrow of the

Flat bone of the Skull, Sternum, Vertebrae, Pelvis (ossa coxae), and proximal epiphyses of the thigh and upper arm bones

Question 14

True or False:

The hematopoiesis does not need stimulation to activate?

Answer 14

False

Question 15

This hormone activates Hematopoiesis, and where does it originate from?

Answer 15

Erythropoietin, and Kidneys (sensitive to low oxygen levels)

Question 16

Where are bone marrow biopsy performed in the body?

Answer 16

Sternum and Posterior Superior iliac Spine.( Later being ideal for deeper bone)

Question 17

What are the disadvantages performing a Bone Marrow Biopsy on the Sternum?

Answer 17

Potential Infection

Question 18

Bone marrow biopsy’s are done in order to identify?

Answer 18

Disorders in blood cell formation.

Question 19

True or False:

More than 80% of the body’s reserves of the minerals calcium and phosphate are stored and released by tissue.

Answer 19

False:

90% and Bone

Question 20

What is essential for essential for muscle contraction, blood clotting, and nerve impulse transmission.

Answer 20

Calcium

Question 21

What is Phosphate needed for?

Answer 21

for ATP utilization (a substance that momentarily traps useful energy for utilization by the body).

Question 22

What type of bone biopsy is most commonly carried out?

Answer 22

Trephine ( Ilium, near the iliac crest).

Question 23

Bones are Mineral storage deposits for?

Answer 23

Calcium, Phosphate, Magnesium, and sodium salts.

Question 24

True or False:

The deposits and withdraws of mineral storage for bones are the same?

Answer 24

True

Question 25

Fat (lipids or adipose tissue) stored in the yellow bone marrow is known as _____ for the body and comes from the _____ of the bone.

Answer 25

Energy, Shaft

Question 26

True or False: Most of the body’s fat supplies are housed in the Bone?

Answer 26

False;

Housed in the Hypodermis (subcutaneous) layer near the surface of the body.

Question 27

True or False:

Cells can survive without Phosphate.

Answer 27

False