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2

The 'NERVOUS SYSTEM' is separated into 2 'MAJOR SYSTEMS'. What are they?

1. CENTRAL NERVOUS SYSTEM (CNS)
2. PERIPHERAL NERVOUS SYSTEM (PNS)

3

The 'CENTRAL NERVOUS SYSTEM' contains what 2 major organs?

1. BRAIN
2. SPINAL CORD

4

The 'BRAIN' is separated into 2 different types of 'MATTER'.

What are the they?

1. GRAY MATTER
2. WHITE MATTER

5

'GRAY MATTER' in the 'CENTRAL NERVOUS SYSTEM' is defined as what?

GRAY MATTER = NERVE CELL BODIES

6

'WHITE MATTER' in the 'CENTRAL NERVOUS SYSTEM' is defined as what?

WHITE MATTER = MYELINATED AXONS

7

Where is the 'NERVE TRACT' located? In what 'MAJOR NERVOUS SYSTEM COMPONENT'?

CENTRAL NERVOUS SYSTEM (CNS)

8

The 'NERVE TRACT' which is located in the 'CENTRAL NERVOUS SYSTEM'. Is defined as what?

GROUP OF NERVE FIBERS WITHIN THE 'CNS' THAT HAVE A COMMON ORIGIN/DESTINATION.

(ASCENDING/DESCENDING)

9

Where is the 'NERVE TRACT' located?

ONLY IN THE 'CNS'

10

The 'NUCLEUS' in regards to the 'CENTRAL NERVOUS SYSTEM' is defined as what?

NUCLEUS = CLUSTER OF 'NERVE CELL BODIES'

*ONLY IN THE 'CNS'

11

What is the 'PERIPHERAL NERVOUS SYSTEM' (PNS) defined as?

(*2 Things)

NERVOUS TISSUE OUTSIDE THE:

1. 'BRAIN'
2. 'SPINAL CORD'

12

How many pairs of 'CRANIAL NERVES' are there in the 'PERIPHERAL NERVOUS SYSTEM'?

12 PAIRS

13

How many pairs of 'SPINAL NERVES' are there in the 'PERIPHERAL NERVOUS SYSTEM'?

31 PAIRS

14

In the 'PERIPHERAL NERVOUS SYSTEM', what is a 'NERVE' defined as?

GROUP OF NERVE FIBERS WITH COMMON ORIGIN/DESTINATION.

1. AFFERENT (SENSORY)
2. EFFERENT (MOTOR)

15

'PERIPHERAL SYSTEM NERVES' are separated into 2 types. What are they?

1. AFFERENT (SENSORY)
2. EFFERENT (MOTOR)

16

What is a 'GANGLION' defined as? Where is it located?

CLUSTER OF NERVE CELL BODIES

ONLY IN THE 'PERIPHERAL NERVOUS SYSTEM'

17

What is the 'AUTONOMIC NERVOUS SYSTEM' composed of?

What 2 divisions is it separated into?

COMPOSED OF SPECIFIC STRUCTURES IN THE 'CNS' and 'PNS'.

1. SYMPATHETIC DIVISION
2. PARASYMPATHETIC DIVISION

18

What are the 2 'STRUCTURAL COMPONENTS' of the 'NERVOUS SYSTEM'?

1. CENTRAL NERVOUS SYSTEM (CNS)
2. PERIPHERAL NERVOUS SYSTEM (PNS)

19

What are the 2 'FUNCTIONAL COMPONENTS' of the 'NERVOUS SYSTEM'?

1. AUTONOMIC NERVOUS SYSTEM (ANS)
2. SOMATIC NERVOUS SYSTEM (SKELETAL SYSTEM)

20

What are the 4 'PRINCIPAL FUNCTIONS' of the 'NERVOUS SYSTEM'?

1. ORIENTATION
2. COORDINATION
3. ASSIMILATION
4. PROGRAMMING

21

What is 'CEREBRAL PALSY' and what are the 4 symptoms of it?

ABNORMAL PATHOLOGY OF THE BRAIN

1. PARALYSIS
2. LACK OF COORDINATION
3. MOTOR/SENSORY DYSFUNCTIONS

22

What is a 'COMA' defined as?

DEGREE OF UNCONSCIOUSNESS

RESULT MAY BE FROM A MANY NUMBER OF DIFFERENT CAUSES.

23

There are 5 steps taking during a 'NEUROLOGICAL EXAMINATION'. What are they?

1. MENTAL STATUS/SPEECH
2. CRANIAL NERVES
3. THE MOTOR SYSTEM
4. THE SENSORY SYSTEM
5. REFLEXES

24

Someone diagnosed with 'PARAPLEGIA' has what?

PERMANENT PARALYSIS OF 'BOTH' LEGS DUE TO INJURY OR DISEASE OF THE 'SPINAL CORD'

25

Someone diagnosed with 'QUADRIPLEGIA' has what?

PERMANENT PARALYSIS OF ARMS 'AND' LEGS DUE TO 'SPINAL CORD' INJURY OR DISEASE.

26

What is a 'NEURON' also known as in the 'NERVOUS SYSTEM' terminology?

(*There are 2 names)

1. NERVE CELL
2. NERVE FIBER

27

What is a 'NEURON' defined as in the 'NERVOUS SYSTEM'?

STRUCTURAL/FUNCTIONAL UNIT OF THE 'NERVOUS SYSTEM'

28

What is the main function of a 'NEURON'?

CONDUCT IMPULSES TOWARD/AWAY FROM THE 'CELL BODY'

29

What are the 3 components to a 'NEURON'?

1. CELL BODY
2. DENDRITES
3. AXONS

30

What is the 'CELL BODY' of a 'NEURON' defined as?

What does it contain? (5 things)

ENLARGED PORTION OF THE NEURON

CONTAINS:
1. NUCLEUS
2. NISSL BODIES (ROUGH ER)
3. NEUROFIBRILS (PROTEIN)
4. OTHER ORGANELLES

31

What are 'DENDRITES' defined as?

What is their main function?

CYTOPLASMIC EXTENSIONS

RECEIVE STIMULI AND CONDUCT 'IMPULSES' TO THE 'CELL BODY'

(*TOWARD NERVE BODY!)