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Nervous System

Total questions: 55

Worksheet time: 31mins

Name
Class
Date
1.
The area of the brain most associated with coordination and balance is the:
a)
Cerebellum
b)
Hippocampus
c)
Amygdala
d)
Pons
2.
The brain lobe controlling vision is the:
a)
Frontal
b)
Occipital
c)
Temporal
d)
Parietal
3.
The area of the brain most associated with coordination and balance is the:
a)
Cerebellum
b)
Hippocampus
c)
Amygdala
d)
Pons
4.
Autonomic life functions such as heartbeat and breathing are centred in the:
a)
Amygdala
b)
Brain Stem
c)
Cerebellum
d)
Limbic System
5.
The part of the neuron that conducts action potentials is the:
a)
Axon
b)
Dendrite
c)
Axon Terminal
d)
Cell Body
6.

Which part of the neuron is responsible for receiving signals?

a)

Axon

b)

Dendrite

c)

Axon Terminal

d)

Cell Body

7.
The neurotransmitter enters the post-synaptic cell to cause depolarization.
a)
True
b)
False
8.
The neurotransmitter cause depolarization by opening up Na+ channels in the post-synaptic membrane.
a)
True
b)
False
9.
The depolarization phase of an action potential is caused by:
a)
Na+ rushing into the axon
b)
K+ rushing out of the axon
c)
Ca++ rushing into the axon
d)
Activation of Na/K pumps
10.
Na/K Pumps are most active during which phase of Action Potential events?
a)
Hyperpolarization
b)
Depolarization
c)
Repolarization
d)
Resting Membrane Potential
11.
Which event characterizes repolarization?
a)
Na+ rushing into the axon
b)
K+ rushing out of the axon
c)
Ca++ rushing into the axon
d)
Activation of Na/K pumps
12.
Heartbeat would be accomplished by which branch of the nervous system?
a)
Sensory
b)
Autonomic
c)
Motor
d)
Pineal
13.
This nervous system branch causes increases in heart rate and breathing.
a)
Sympathetic
b)
Parasympathetic
c)
Motor
d)
Sensory
14.
The CNS is contained by a membrane and bathed in:
a)
Blood
b)
Cerebro-Spinal Fluid
c)
Lymph
d)
Cytoplasm
15.

Which of the following glial cells make spinal fluid

a)

astrocyte

b)

oligodendrocyte

c)

microglial cell

d)

ependymal cell

16.

Which of the following cells protect the nervous system from infection

a)

microglial

b)

astrocyte

c)

oligodendrocyte

d)

ependymal cell

17.

What is the name of the blue structure

a)

axon terminal

b)

dendrite

c)

schwann cell

d)

axon

18.

What part of a neuron receives messages from other neurons?

a)

dendrite

b)

cell body

c)

axon

d)

axon terminal

19.

What part of a neuron is responsible for sending an impulse to the next neuron?

a)

Axon Terminal

b)

Dendrites

c)

Cell Body

d)

Axon

20.

The nerves that extend from the brain and spinal cord, make up the _____________________.

a)

Central Nervous System(CNS)

b)

Somatic Nervous System

c)

Autonomic Nervous System

d)

Peripheral Nervous System(PNS)

21.

Which 2 are parts of the central nervous system?

a)

brain

b)

nose

c)

spinal cord

d)

left big toe

22.

What is a nerve cell?

a)

axon

b)

neuron

c)

dendrite

d)

myelin

23.

Cranial nerves and spinal nerves are part of the peripheral nervous system.

a)

True

b)

False

24.
When a neuron is depolarized, what are the first channels to open?
a)
Sodium
b)
Potassium
c)
Calcium
d)
ACTH
25.
What number(s) on the graph represents the Resting Potential?
a)
1 and 2
b)
1 and 5
c)
2 and 3
d)
3 and 4
26.
A membrane potential becoming less negative is called
a)
hyperpolarization
b)
depolarization
c)
repolarization
d)
polarization
27.
What number on the graph represents the Hyperpolarization phase?
a)
1
b)
2
c)
3
d)
4
28.

What number on the graph represents the repolarization phase?

a)

1

b)

2

c)

3

d)

4

29.
Gaps in the myelin sheath are called this.
a)
Nodes of Ranvier
b)
Axon terminals 
c)
Synapses
d)
Neurotransmitters
30.
What is the normal resting potential of a neuron cell membrane?
a)
+40mV
b)
-30mV
c)
+55mV
d)
-70mV
31.
In resting potential, neurons have more _________ on the outside of the cell membrane.
a)
K+
b)
NaCl
c)
Na+
d)
Cl-
32.

What number(s) on the graph represents the THRESHOLD level of stimulus?

a)

1 and 5

b)

2

c)

3

d)

6

33.
When a membrane potential reaches +30mV, ________ channels open, ________ occurs, and ________ channels close.
a)
Sodium, depolarization, potassium
b)
Potassium, depoloarization, sodium
c)
sodium, repolarization, potassium
d)
postassium, repolarization, sodium
34.

When is the potassium channel open?

a)

during rest only

b)

during repolarization only

c)

during depolarization only

d)

all the time

35.
_____ neurons carry  messages away from the central nervous system.
a)
Motor
b)
Inter
c)
Sensory
d)
Flower
36.

The cardiovascular center is located in the

a)

medulla oblongata

b)

pons

c)

midbrain

d)

thalamus

37.

The hypothalamus is part of the

a)

cerebrum

b)

cerebellum

c)

brain stem

d)

diencephalon

38.

Which of the following areas deals with emotion?

a)

limbic system

b)

thalamus

c)

cerebellum

d)

brain stem

39.

Which of the areas of the cerebral cortex receives touch sensation from the skin?

a)

primary somatosensory area

b)

primary motor area

c)

premotor area

d)

primary visual cortex

40.

Which of the areas of the cerebral cortex receives touch sensation from the skin?

a)

primary somatosensory area

b)

primary motor area

c)

premotor area

d)

primary visual cortex

41.

The primary visual area is located in the

a)

frontal lobe

b)

parietal lobe

c)

temporal lobe

d)

occipital lobe

42.

The area of the brain that regulates posture and balance is the

a)

cerebrum

b)

cerebellum

c)

brain stem

d)

diencephalon

43.

A shallow groove on the surface of the cerebral cortex is a

a)

gyrus

b)

sulcus

c)

fissure

d)

corpus callosum

44.

A ridge or fold on the surface of the cerebral cortex is a

a)

gyrus

b)

sulcus

c)

fissure

d)

corpus callosum

45.

All of the following are functions of the hypothalamus EXCEPT

a)

regulation of hunger

b)

regulation of thirst

c)

regulation of body temperature

d)

regulation of respiration

46.

The part of the brain responsible for relaying sensory information to the cerebrum is the

a)

thalamus

b)

hypothalamus

c)

cerebellum

d)

arbor vitae

47.

If someone suffered a stroke which interfered with their ability to speak, we would assume it affected

a)

Broca's area

b)

Wernicke's area

c)

Somatosensory cortex

d)

Visual cortex

48.

The brain contains approximately _____ neurons.

a)

100 million

b)

100 billion

c)

10 billion

d)

1 trillion

49.

The satiety center is located in the

a)

medulla oblongata

b)

pons

c)

midbrain

d)

hypothalamus

50.

Muscle coordination is a function of the

a)

medulla oblongata

b)

cerebellum

c)

hypothalamus

d)

thalamus

51.

Humans awaken and sleep in a fairly constant rhythm called a ____ rhythm.

a)

circadian

b)

cerebral

c)

satiety

d)

reticular

52.

The center for thirst is located in the ____.

a)

thalamus

b)

cerebrum

c)

cerebellum

d)

hypothalamus

53.

Most of the gray matter of the cerebrum is found in the ____.

a)

cerebral cortex

b)

reticular formation

c)

cerebellar cortex

d)

corpus callosum

54.

Activation of the reticular formation causes

a)

consciousness

b)

long-term memory formation

c)

speech

d)

hearing

55.

The motor areas are located in the

a)

frontal lobe

b)

parietal lobe

c)

temporal lobe

d)

occipital lobe

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