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Exam 3 (Nervous, etc) BIO 200

Total questions: 60

Worksheet time: 58mins

Name
Class
Date
1.

What's the difference between the green nodes and yellow nodes?

a)

yellow nodes strongly depolarized inside

b)

yellow nodes are strongly hyperpolarized inside

c)

green nodes are strongly polarized inside

d)

green nodes are strongly depolarized inside

2.

A Neurotransmitter that inhibits activity in brain is


(acts in same circuits as glutamate)

a)

glutamate

b)

Gamma-aminobutyric acid (GABA)

c)

tryptophan

d)

serotonine

3.

Inhibitory neurotransmitters work by maintaining _________ channels closed and opening which channel?

a)

Na+ ; Cl-

b)

Na+ ; K+

c)

K+; Na+

d)

Cl- ; Na+

4.

A certain type of cell is found to make myelin in the PNS...which cell is this?

a)

Schwann cells

b)

oligodendrocytes

c)

astrocytes

5.

_______________ produce myelin in the CNS.

a)

oligoendrocytes

b)

microglia

c)

astrocytes

d)

schwann cells

6.

The axons of some neurons are damaged begin regenerating, what is doing this and where???

a)

PNS, Schwann Cells

b)

PNS, astrocytes

c)

CNS, astrocytes

d)

CNS, oligodendrocytes

7.

Reflex arc does not include which basic component?

a)

afferent neuron

b)

interneuron

c)

effector organ

d)

central nervous pathway

8.

Somatic nervous system is _____________ while Autonomic is ____________.

a)

voluntary; involuntary

b)

involuntary; voluntary

c)

physical; hormonal

d)

sympathetic; parasympathetic

9.

Autonomic branch of PNS can be described in one word....

a)

homestasis

b)

survival

c)

voluntary

d)

natural

10.

A hormone is secreted and is then sent to another gland as a sort of "messenger"...what type of hormone is this?

a)

tropic

b)

neurohormone

c)

from the hypothalamus

11.
What is the purpose of the myelin sheath on the axon?
a)
To maintain temperature
b)
To improve conductivity
c)
To protect the axon
d)
To release neurotransmitters
12.
What is NOT part of the peripheral nervous system (PNS)?
a)
axons
b)
sensory receptors
c)
spinal cord
d)
motor neurons
13.
part of a neuron that receives information from other neurons
a)
axon
b)
dendrites
c)
myelin sheath
d)
synapse
14.
Label the Neuron-What does the letter "H" represent?
a)
Myelin Sheath
b)
Axon
c)
Axon Terminal
d)
Dendrite
15.
Label the Neuron-What does the letter "F" represent?
a)
Myelin Sheath
b)
Axon
c)
Axon Terminal
d)
Dendrite
16.
Label the Neuron-What does the letter "C" represent?
a)
Dendrite
b)
Axon
c)
Axon Terminal
d)
Cell Body
17.
Label the Neuron-What does the letter "A" represent?
a)
Dendrite
b)
Axon
c)
Myelin Sheath
d)
Node of Ranvier
18.
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
19.
This releases neurotransmitters which are sent into the synaptic cleft for receptors on the dendrite
a)
axon
b)
axon terminal
c)
gene
d)
neuron
20.
These neuron processes transmit information from the sensory organs to the central nervous system
a)
efferent
b)
afferent
21.
This part of the nervous system regulates involuntary actions such as heart function, blood pressure, breathing, digestion.
a)
Autonomic Nervous System
b)
Sensory Nervous System
c)
Motor Nervous System
d)
Peripheral Nervous System
22.

Conduction speed of nerve fibers relies on which ONE below?

a)

diameter of fiber

b)

length of fiber

c)

strength of nerve signal

d)

amount of nerve signals being activated

23.

The feeling of fright we get from looking down a cliff is a sign of the ________ working.

a)

hippocampus

b)

amygdala

c)

thalamus

d)

frontal lobe

24.

Sexual behavior and species survival are all under what part of the brain?

a)

hypothalamus

b)

limbic system

c)

cerebellum

d)

frontal lobe

25.

Remembering you locker combonation is a benefit of having a fully developed __________.

a)

prefrontal cortex

b)

pareital lobe

c)

temporal lobe

26.

Learning spanish can be accomplished thanks to __________.

a)

Wernicke's area

b)

Broca's area

c)

limbic system

d)

hypothalamus

27.

Electroencephalogram measures brain waves found on the _____________.

a)

frontal lobe

b)

cerebral cortex

c)

hippocampus

d)

temporal lobe

28.

Speaking spanish to your mexican tia is available thanks to ________.

a)

Broca’s area

b)

Wernicke’s area

c)

Midbrain

d)

Pons

29.

________ waves are active when taking an exam.

a)

beta waves

b)

gamma waves

c)

brain waves

d)

gamma waves

30.

In a 4 hour class like Physio ___________ are definitely dominating your brain making you drowsy and tired.

a)

theta waves

b)

delta waves

c)

alpha waves

d)

gamma waves

31.

Last night _________ were active because you were caught in a deep sleep.

a)

delta waves

b)

alpha eaves

c)

theta waves

32.

The feeling of pleasure is caused by ____________ which is made from tyrosine.

a)

dopamine

b)

glutamate

c)

serotonine

d)

GABA

33.

Rhythm of sleep is controlled by all EXCEPT....

a)

cerebral cortex

b)

thalamus

c)

hypothalamus

d)

frontal cortex

34.

The 2 types of cells that make up most of the cerebral cortex are......

a)

pyramidial and stellate cells

b)

myelinated and unmyelinated cells

c)

efferent and afferent cells

d)

astrocytes and oligodendrytes

35.

Control center for circulation, respiration and digestion is known as _________.

a)

brain stem

b)

cerebellum

c)

hypothalamus

d)

mid brain

36.

Your grandma was born color blind, what physiological component is she missing in her eyes?

a)

cones

b)

rods

c)

retinas

37.

A ________ is always without conscious effort, and is predictable

a)

reflex

b)

instinct

c)

hormone

38.

Reflex arc does not include which basic component?

a)

afferent neuron

b)

interneuron

c)

effector organ

d)

central nervous pathway

39.

A baby crying straight out of the womb is ________ or not learned.

a)

innate

b)

conditioned

c)

hereditary

d)

normal

40.

The neurotransmitter Nor-epinephrine is only released by the _____________ in _______________ release.

a)

post ganglionic fiber; sympathetic system

b)

post ganglionic fiber; parasympathetic system

c)

pre ganglionic fiber; sympathetic system

d)

pre ganglionic fiber; parasympathetic system

41.

Excitatory neurotransmitters ( associated with memory and learning) in CNS; are called __________.

a)

glutamate

b)

GABA

c)

amino acids

42.
Nerve impulses are carried from the eye to the brain by the
a)
optic nerve
b)
transducens nerve
c)
cornea
d)
rod and cone cells
43.
The receptors for hearing and equilibrium are located in the _________ ear.
a)
inner
b)
outer
c)
middle
44.
The process of hearing begins when sound waves enter the ___________.
a)
auditory canal
b)
middle ear
c)
inner ear
d)
cochlea
45.
The region on the retina that produces the sharpest vision is called the _______________.
a)
sclera
b)
aqueous humor
c)
fovea
d)
optic disc
46.

The nerves associated with smell are referred to as the:

a)

olfactory receptor cells

b)

smell cells

c)

gustatory receptor cells

d)

umami cells

47.

Small projections located on the tongue’s surface where taste buds are located are known as:

a)

papillae

b)

gustatory cells

c)

olfactory epithelium

d)

mucous producing glands

48.

What is the function of the auditory canal?

a)

to block sound waves that could be harmful

b)

to direct sound waves to the eardrum

c)

to detect sensations of movements

d)

to equalize air pressure between the outer and middle ear

49.

Which structure of the ear is pointed by #1?

a)

ear drum

b)

auricle (pinna)

c)

cochlea

d)

semi circular canals

e)

ossicles

50.

Which structure of the ear is pointed by #3?

a)

ear drum

b)

auricle (pinna)

c)

vestible

d)

semi circular canals

e)

ossicles

51.

Which structure of the ear is pointed by #2?

a)

ear drum

b)

auricle (pinna)

c)

auditory canal

d)

semi circular canals

e)

ossicles

52.

Which part is #2?

a)

iris

b)

cornea

c)

retina

d)

lens

e)

pupil

53.

Which part is #1?

a)

sclera

b)

cornea

c)

retina

d)

lens

e)

choroid

54.

Which part is #3?

a)

pupil

b)

iris

c)

cornea

d)

lens

e)

vitreous humor

55.

What does the optic nerve do?

a)

It transmits nerve impulses from the retina to the cerebrum.

b)

It helps the eye focus to make a clear image.

c)

It receives light and sends it to the brain.

d)

It transmits light rays to the retina.

e)

It transmits nerve impulses from the retina to the cerebellum.

56.

This layer contains photoreceptors that react to light by producing nerve impulses.

a)

Cornea

b)

Lens

c)

Retina

d)

Pupil

e)

Iris

57.

What is the function of the sclera?

a)

It protects the eye and gives it its shape.

b)

It helps the eye to focus and make a clear image.

c)

It controls the amount of light that enters the eye,

d)

It transmits light rays to the retina.

e)

It transforms light into nerve impulses that are sent to the brain.

58.

Type of photoreceptor that is active in bright light and perceives color?

a)

fovea

b)

cones

c)

rods

d)

optic nerve

59.

Which part is #4?

a)

choroid

b)

iris

c)

sclera

d)

lens

e)

retina

60.

Which part is #8?

a)

blind spot

b)

optic nerve

c)

cornea

d)

lens

e)

fovea

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