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HBS Unit 2 Review

Total questions: 58

Worksheet time: 39mins

Name
Class
Date
1.

Which lobe?

a)

Frontal

b)

Parietal

c)

Temporal

d)

Occipital

2.

Which lobe?

a)

Frontal

b)

Parietal

c)

Temporal

d)

Occipital

3.

Which lobe?

a)

Frontal

b)

Parietal

c)

Temporal

d)

Occipital

4.

Name this structure.

a)

Cerebrum

b)

Cerebellum

c)

Brain Stem

d)

Basal Ganglia

5.
Which of the four lobes is typically responsible for receiving and processing auditory information?
a)
frontal
b)
parietal
c)
occipital
d)
temporal
6.
The long, fiber like part of a neuron which the cell sends information to receiving neurons
a)
axon 
b)
dendrite
c)
axon terminal
d)
gene
7.
This releases neurotransmitters which are sent into the synaptic cleft for receptors on the dendrite to taste
a)
axon
b)
axon terminal
c)
gene
d)
neuron
8.
A network of branches coming from individual cells.  They carry information and electrical signals in the brain and nervous system
a)
axon
b)
axon terminal
c)
dendrite
d)
neuron
9.
A nerve cell that is the basic working unit of the brain and nervous system which processes and transmits information
a)
axon
b)
neuron
c)
dendrite
d)
neurotransmitter
10.
This insulating material forms a layer, around the axon of a neuron.  It enables electrical signals to travel down the axon at higher speeds.
a)
neuron
b)
myelin sheath
c)
dendrite
d)
neurotransmitter
11.
A chemical produced by neurons that carries messages to other neurons
a)
myelin sheath
b)
neurotransmitter
c)
axon
d)
axon terminal
12.
W
a)
Axon Terminal Button
b)
Neurotransmitters
c)
Dendrite
d)
Synapse
13.
Y
a)
Axon Terminal Button
b)
Neurotransmitters
c)
Dendrite
d)
Synapse
14.
What generates a nerve impulse on the post-synaptic membrane? 
a)
Calcium binding with a receptor site
b)
Potassium leaking into the post-synaptic membrane 
c)
Neurotransmitter binding with receptor sites
d)
Neurotransmitter being removed from the synapse
15.

Z

a)

Axon Terminal Button

b)

Neurotransmitters

c)

Dendrite

d)

Synapse

16.

which is the correct path that a nerve impulse will follow in a reflex arc?

a)

motor neuron--> interneuron--> sensory neuron

b)

interneuron--> motor neuron --> sensory neuron

c)

motor neuron--> sensory neuron--> interneuron

d)

sensory neuron--> interneuron--> motor neuron

17.

If I step on a nail...what type of neuron take that signal TO the CENTRAL NERVOUS SYSTEM?

a)

interneurons

b)

motor

c)

sensory

d)

receptors

18.

If I step on a nail...what type of neurons send the response from the brain to my muscles?

a)

motor

b)

interneurons

c)

sensory

d)

not neurons, muscle tissue sends the response

19.

What does the neuron's nucleus do?

a)

Controls the actions of the neuron

b)

Produces food for the neuron

c)

Carries information from the cell body to other neuronsThis is a wrong answer

d)

Controls speed of electrical signal through the axon

20.

What does the neuron's Myelin Sheath do?

a)

Controls the actions of the neuron

b)

Produces food for the neuron

c)

Carries information from the cell body to other neuronsThis is a wrong answer

d)

Surrounds and insulates the axon

21.

What do Dendrites do?

a)

Intakes information from other neurons

b)

Produces fatty tissue for the Myelin Sheath

c)

Sends information to the next cell

d)

Controls the speed of electrical signal through the axon

22.

What do Schwann Cells do?

a)

Intakes information from other neurons

b)

Produces fatty tissue for the Myelin Sheath

c)

Sends information to the next cell

d)

Controls the speed of electrical signal through the axon

23.

What do Axon Terminals do?

a)

Intakes information from other neurons

b)

Produces fatty tissue for the Myelin Sheath

c)

Sends information to the next cell

d)

Controls the speed of electrical signal through the axon

24.

An electrical impulse within a single neuron is called a

a)

synapse

b)

membrane potential

c)

action potential

d)

cell body

25.

Which ion is pumped into the axon of a neuron to help maintain the resting potential?

a)

calcium

b)

hydrogen

c)

potassium

d)

sodium

26.

Which one of the following is involved in maintaining a resting membrane potential?

a)

Na+/K+ ATPase pump moves 3Na+ in for every 2K+ out

b)

Na+/K+ ATPase pump moves 3K+ in for every 2Na+ out

c)

Na+/K+ ATPase pump moves 3Na+ out for every 2K+ in

d)

Na+/K+ ATPase pump moves 3K+ out for every 2Na+ in

27.

Depolarization is occuring at number

a)

1

b)

2

c)

4

d)

5

28.
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
29.
Why is -55 mV a significant number?
a)
This is the largest charge achieved during an action potential
b)
This is the threshold required to complete an action potential
c)
This is the resting charge of a neuron
d)
This is the charge when all the sodium is inside the cell
30.

An example of a reflex action includes

a)

Touching a butterfly

b)

Brushing your hand against the side of your body

c)

Touching a hot stove

d)

Your legs moving as you walk

31.

What type of neuron is A?

a)

Sensory

b)

Inter

c)

Motor

32.

What type of neuron is B?

a)

Sensory

b)

Inter

c)

Motor

33.

What type of neuron is C?

a)

Sensory

b)

Inter

c)

Motor

34.

Name structure A

a)

Pupil

b)

Iris

c)

Cornea

d)

Retina

35.

Name Structure B

a)

Lens

b)

Pupil

c)

Sclera

d)

Cornea

36.

Name structure G

a)

Lens

b)

Pupil

c)

Optic Nerve

d)

Ciliary Muscles

37.

What structure is responsible for carrying sensory impulses from the eye to the brain?

a)

Retina

b)

Iris

c)

Optic Nerve

d)

Rods & Cones

38.

What will happen to your pupils if you are in a really bright room?

a)

They will contract

b)

They will expand

c)

They will burst into flames

d)

They will stay the same size

39.

What structure of the eye controls the size of the pupils?

a)

Ciliary Muscles

b)

Iris

c)

Lens

d)

Retina

40.

What is the function of the Lens?

a)

Lining of the back of the eye that contains light receptor cells.

b)

Regulates how much light enters the eye

c)

Tough, transparent, protective coating that bends light as it enters the eye

d)

Focuses light onto the retina

41.

Name structure C

a)

Ciliary Muscles

b)

Retina

c)

Optic Nerve

d)

Iris

42.

Name structure F

a)

Sclera

b)

Cornea

c)

Optic Nerve

d)

Lens

43.

What happens to your eyes if you are in a dark room?

a)

Your Iris will narrow to allow more light in

b)

Your pupils will widen to let in more light

c)

Your pupils will narrow to let in more light

44.

Identify structure D

a)

Retina

b)

Optic Nerve

c)

Sclera

d)

Lens

45.

Identify Structure E

a)

Retina

b)

Sclera

c)

Optic Nerve

d)

Lens

46.

Gives the cornea its bulging, round appearance

a)

Cornea

b)

Vitreous Humor

c)

Sclera

d)

Aqueous Humor

e)

Choroid

47.

Allows passage of light to the retina through posterior cavity because of its clear appearance

a)

Optic Nerve

b)

Fovea

c)

Lens

d)

Cornea

e)

Vitreous Humor

48.

Farsightedness

a)

Myopia

b)

Hyperopia

c)

both

49.

Nearsightedness

a)

Myopia

b)

Hyperopia

c)

both

50.

Far objects appear blurry but close objects appear clear

a)

Myopia

b)

Hyperopia

c)

Both

51.

Close objects appear blurry but far objects appear clear

a)

Myopia

b)

Hyperopia

c)

Both

52.

May result from eyeball being too short

a)

Myopia

b)

Hyperopia

c)

Both

53.

May result from eyeball being too long

a)

Myopia

b)

Hyperopia

c)

Both

54.

Individuals may be more with this condition and grow out of it

a)

Myopia

b)

Hyperopia

c)

Both

55.

Caused by refractive error

a)

Myopia

b)

Hyperopia

c)

Both

56.

Focal point is behind the eyeball

a)

Myopia

b)

Hyperopia

c)

Both

57.

May be corrected with contacts and/or glasses

a)

Myopia

b)

Hyperopia

c)

Both

58.

Focal point is in front of retina

a)

Myopia

b)

Hyperopia

c)

Both

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