CH 47- A &P

Question 0

Brocas motor speech area

Answer 0

Controls movements involved in seeking

Frontal lobe

Question 1

Weirnickes area

Answer 1

Comprehension of speech

In temporal and partial lobe

Question 2

What is the central cortex?

Answer 2

Surface of cerebrum

Compromised of 4 lobes: frontal, parietal, temporal, occipital

Question 3

What does the FRONTAL LOBE control?

Answer 3

Voluntary movement
Emotions
Judgement
Broca’s motor speech (left lobe)

Question 4

What does the PARIETAL LOBE control?

Answer 4

General sensory areas for: cutaneous senses
Conscious muscle movement (propriception)
Taste (gustation)

***where sensations are felt and interpreted

Question 5

What is the function of the TEMPORAL LOBE?

Answer 5

Sensory areas for hearing and olfactory

**wernicke’s area

Question 6

What is the function of the OCCIPITAL LOBE?

Answer 6

Perception and interpretation of sight

Receives impulses from Regina of eyes

Question 7

What does the Medulla Oblongata do?

Answer 7

Regulates: HR, RR, BP

Reflex Centers for: coughing, sneezing, swallowing, vomiting

Question 8

What does the PONS do?

Answer 8

Regulates a normal breathing rhythm (2 centers)

Question 9

What does the MIDBRAIN do?

Answer 9

Reflex Center: visual reflexes
auditory reflexes
keep head upright, balance

Question 10

The Cerebellum….

Answer 10

regulates posture, balance, movement, muscle coordination

Question 11

The hypothalamus..

Answer 11

• produces ADH and Oxytocin (stored in posterior pituitary gland)
• regluates body temp
• fluid & food intake
• Integration of functioning of ANS

Question 12

The THALAMUS functions deal with…

Answer 12

integrating sensations

Question 13

What 2 divisions is the nervous system compromised of?

Answer 13

CNS- Brain and spinal cord

PNS- everything else & ANS

Question 14

What is the difference between CNS and PNS axons?

Answer 14

PNS-Schwann cells (neurolemmocytes)
CNS-Oligodendroctes

Both contain myelin sheath-allow impulse to move quickley

Question 15

At the synapses, the electrical impulse becomes a….

Answer 15

chemical impulse

Question 16

What are the three types of neurons and what system are they classified in? (PNS or CNS)

Answer 16

Sensory (PNS)
Motor (PNS)
Interneurons (CNS)

Question 17

A SENSORY NEURON can also be called…

Answer 17

Afferent

Question 18

A MOTOR NEURON can also be called…

Answer 18

EFFERENT

Question 19

Sensory neurons transmit impulses from……

Answer 19

receptors to the CNS

Question 20

Motor neurons transmit impulses from…

Answer 20

CNS to effectors (muslces, glands)

Question 21

Interneurons transmit…

Answer 21

sensory and motor impulses

and integrates functions

Question 22

How many cervical nerves are there, and what part of the body do they supply?

Answer 22

8 cervical nerves

-back of head, neck, shoulders, arms, diaphragm

Question 23

How many thoracic nerves are there, and what part of the body do they supply?

Answer 23

12 thoracic nerves

• 1 & 2 peripheral nerves of arms
• trunk of body

Question 24

How many lumbar nerves are there, and what part of the body do they supply?

Answer 24

5 lumbar nerves | -hips, pelvic cavity, legs

Question 25

Involuntary reflexes

Answer 25

``` Stretch reflex (patellar) Flexor reflex (withdrawal) ```

Question 26

Ventricles are

Answer 26

4 cavities within the brain | -Forming cerebrospinal fluid, and circulates with in

Question 27

Meninges are

Answer 27

three layers of connective tissue that cover the CNS

Question 28

Dura Mater

Answer 28

outer most portion of meninges

Question 29

Arachnoid Mater

Answer 29

middle portion of meninges

Question 30

Pia Mater

Answer 30

innermost layer of meninges

Question 32

Where is the subarachnoid space located?

Answer 32

between the arachnoid mater and pia mater, cerebrospinal fluid circulates

Question 33

What is the ANS?

Answer 33

``` Autonomic Nervous System Part of the PNS 2 Divisions: -Sympathetic -Parasympathetic ```

Question 34

What are the neurotransmitters of the sympathetic nervous system?

Answer 34

Acetylcholine | Norepinephrine

Question 35

The sympathetic nervous system is dominant in...

Answer 35

stressful situations | "Fight or flight"

Question 36

The parasympathetic nervous system is dominant in..

Answer 36

relaxed, non stressful situations | "rest and digest"

Question 37

What neurotransmitter is in the parasympathetic nervous system?

Answer 37

Acetylcholine

Question 38

What are normal effects of aging on the CNS?

Answer 38

Decreased: - bloodflow to brain - acetylocholine (Impaired short term memory) - norepinephrine (altered sleep patterns) - dopamine (motor function) - postural stability (more falls)