Test 3

Question 1

Functions of the Skeletal System?

Answer 1

Support
Mineral and Fat Storage
Blood Cell Production
Protection
Leverage
Movement

Question 2

Composition of Bone Tissue

Answer 2

Non-Living Portion Extracellular Matrix
25% Interstitial Fluid
25% Collagen Fibers
50% Mineral Mainly Calcium Phosphate

Question 3

4 Types of Bone Cells

Answer 3

Osteogenic
Osteoblasts
Osteocytes
Osteoclasts

Question 4

Types of bone tissues?

Answer 4

Spongy

Compact

Question 5

Types of Connective Tissue Covering

Answer 5

Periosteum

Endosteum

Question 6

Remodeling

Answer 6

5-1% of bone tissue is remodeled weekly to prevent the crystalization of the minerals within the bone. Take out old minerals to put in new minerals.

Question 7

Functions of the Nervous System

Answer 7

Controls and regulates all other body systems.

Question 8

2 Subdivisions of The Nervous System

Answer 8

Central Nervous System

Peripheral Nervous System

Question 9

Neurotransmitter

Answer 9

chemical signal for neurons to communicate to each other. Can be excitatory or inhibitory.

Question 10

Goal of Neurophysiology

Answer 10

Development of an action potential (A.P.)

Question 11

Repolarization

Answer 11

Return inner membrane chargeback to negative.

Question 12

Hyperpolarization

Answer 12

inner membrane charge is below the resting potential value.

Question 13

Threshold

Answer 13

The inner membrane charges reach a value that once reached the development of an A.P. cannot be stopped.

Question 14

Skeletal Muscle Systems Function

Answer 14

Produce the force for movement
Stabilize joints
Maintain body position
Thermogenesis

Question 15

Characteristics of Skeletal Muscle Systems

Answer 15

Excitability(irritability)
Contractility
Extensibility
Elasticity

Question 16

3 Layers of Connective Tissue

Answer 16

Epimysium
Perimysium
Endomysium