Question 1

Where are neurotransmitters stored?

Accepted Answer

A)  axon terminals 
B)  dendrites 
C)  neuron cell bodies 
D)  axon cytoplasm 
E)  all of these store neurotransmitters 
A)  axon terminals 
B)  dendrites 
C)  neuron cell bodies 
D)  axon cytoplasm 
E)  all of these store neurotransmitters

Question 2

The white matter differs from gray matter in that

Accepted Answer

A)  white matter is found in the brain, and gray matter is found in the spinal cord. 
B)  white matter consists of bundles of myelin-sheathed axons, and gray matter consists of cell bodies, dendrites, and neuroglial cell. 
C)  white matter transmits sensory information, and gray matter transmits motor information. 
D)  white matter is associated with the sympathetic nervous system, and gray matter is associated with the parasympathetic nervous system. 
E)  all of these are true. 
A)  white matter is found in the brain, and gray matter is found in the spinal cord. 
B)  white matter consists of bundles of myelin-sheathed axons, and gray matter consists of cell bodies, dendrites, and neuroglial cell. 
C)  white matter transmits sensory information, and gray matter transmits motor information. 
D)  white matter is associated with the sympathetic nervous system, and gray matter is associated with the parasympathetic nervous system. 
E)  all of these are true.

Question 3

What type of sensory receptors create the action potential that we ultimately perceive as sound?

Accepted Answer

A)  chemoreceptors 
B)  mechanoreceptors 
C)  proprioreceptors 
D)  photoreceptors 
E)  more than one of these 
A)  chemoreceptors 
B)  mechanoreceptors 
C)  proprioreceptors 
D)  photoreceptors 
E)  more than one of these

Question 4

In order to establish a membrane potential, the cytoplasmic fluid is ____ compared to the interstitial fluid

Accepted Answer

A)  more positively charged 
B)  more negatively charged 
C)  hypertonic 
D)  hypotonic 
E)  none of these 
A)  more positively charged 
B)  more negatively charged 
C)  hypertonic 
D)  hypotonic 
E)  none of these

Question 5

The vision center of the cerebral cortex is located in the ___lobe.

Accepted Answer

A)  temporal 
B)  frontal 
C)  parietal 
D)  occipital 
E)  somatic 
A)  temporal 
B)  frontal 
C)  parietal 
D)  occipital 
E)  somatic

Question 6

The part of the human eye that contains the photoreceptors is the

Accepted Answer

A)  lens. 
B)  pupil. 
C)  cornea. 
D)  sclera. 
E)  retina. 
A)  lens. 
B)  pupil. 
C)  cornea. 
D)  sclera. 
E)  retina.

Question 7

Use the above figure to answer the following question(s). Referring to the above diagram of the brain, F identifies which region?

Accepted Answer

A)  corpus callosum 
B)  hypothalamus 
C)  cerebrum 
D)  cerebellum 
E)  medulla oblongata 
A)  corpus callosum 
B)  hypothalamus 
C)  cerebrum 
D)  cerebellum 
E)  medulla oblongata

Question 8

Axons bundled in connective tissue are called

Accepted Answer

A)  neural nets. 
B)  ganglia. 
C)  nerves. 
D)  neuroglia. 
E)  none of these. 
A)  neural nets. 
B)  ganglia. 
C)  nerves. 
D)  neuroglia. 
E)  none of these.

Question 9

Gray matter in the central nervous system consists of all of the following except

Accepted Answer

A)  cell bodies. 
B)  dendrites. 
C)  neuroglia. 
D)  myelin sheaths. 
E)  more than one of these. 
A)  cell bodies. 
B)  dendrites. 
C)  neuroglia. 
D)  myelin sheaths. 
E)  more than one of these.

Question 10

Language and abstract thought are possible due to

Accepted Answer

A)  the cerebellum. 
B)  the pons. 
C)  the cerebral cortex. 
D)  the medulla oblongata. 
E)  the midbrain. 
A)  the cerebellum. 
B)  the pons. 
C)  the cerebral cortex. 
D)  the medulla oblongata. 
E)  the midbrain.

Question 11

This area of the retina has the most photoreceptors and is relatively free of blood vessels. This area of the retina is the

Accepted Answer

A)  cornea. 
B)  optic disk. 
C)  fovea. 
D)  sclera. 
E)  choroid. 
A)  cornea. 
B)  optic disk. 
C)  fovea. 
D)  sclera. 
E)  choroid.

Question 12

Use the above figure to answer the following question(s). Referring to the above diagram of the brain, C identifies which lobe of the cerebrum?

Accepted Answer

A)  frontal lobe 
B)  parietal lobe 
C)  occipital lobe 
D)  temporal lobe 
E)  primary motor cortex 
A)  frontal lobe 
B)  parietal lobe 
C)  occipital lobe 
D)  temporal lobe 
E)  primary motor cortex

Question 13

Symptoms of multiple sclerosis

Accepted Answer

A)  include muscle weakness. 
B)  include impaired coordination. 
C)  include vision problems. 
D)  typically begin between the ages of 20 and 40. 
E)  are described by all of these. 
A)  include muscle weakness. 
B)  include impaired coordination. 
C)  include vision problems. 
D)  typically begin between the ages of 20 and 40. 
E)  are described by all of these.

Question 14

Match between columns
                        Premises: a shortage of this neurotransmitter causes Parkinson's disease
damage to brain neurons that release this neurotransmitter causes Alzheimer's disease
a decrease in this neurotransmitter causes attention deficit hyperactivity disorder
nicotine blocks receptors for this neurotransmitter
this neurotransmitter speeds the heart rate, dilates pupils and airways, and increases anxiety
this neurotransmitter elevates mood and has a role in memory
morhphin, codeine, and heroin mimic this neurotransmitter
slows rate of heart contractions
LSD resembles this neurotransmitter and binds to receptors for it
addictive drugs simulate the release of this neurotransmitter
alcohol and barbiturates inhibit the output of this neurotransmitter

Accepted Answer

The Answer of endorphins and acetylcholine and epinephrine and none is...

Question 15

The major relay station of the brain is the

Accepted Answer

A)  thalamus. 
B)  hypothalamus. 
C)  midbrain. 
D)  pons. 
E)  medulla oblongata. 
A)  thalamus. 
B)  hypothalamus. 
C)  midbrain. 
D)  pons. 
E)  medulla oblongata.

Question 16

This animal does not have a brain but rather has a nerve net of interconnected neurons. This animal is

Accepted Answer

A)  a planarian. 
B)  an earthworm. 
C)  a grasshopper. 
D)  a sea anemone. 
E)  more than one of these. 
A)  a planarian. 
B)  an earthworm. 
C)  a grasshopper. 
D)  a sea anemone. 
E)  more than one of these.

Question 17

This part of the brain plays an important role in reward-based learning and is part of the brain stem. This part of the brain is the

Accepted Answer

A)  pons. 
B)  medulla oblongata. 
C)  midbrain. 
D)  cerebellum. 
E)  cerebrum. 
A)  pons. 
B)  medulla oblongata. 
C)  midbrain. 
D)  cerebellum. 
E)  cerebrum.

Question 18

The brain knows how strong a stimulus is because the brain interprets

Accepted Answer

A)  action potentials of certain nerves in certain ways. 
B)  variations in the rate of action potentials. 
C)  the size variation in the action potential being propagated. 
D)  all of these. 
E)  all of these except size variation in the action potential being propagated. 
A)  action potentials of certain nerves in certain ways. 
B)  variations in the rate of action potentials. 
C)  the size variation in the action potential being propagated. 
D)  all of these. 
E)  all of these except size variation in the action potential being propagated.

Question 19

This animal has the most complex eye of any invertebrate and an opening that allows light into a dark chamber. This animal is a(an)

Accepted Answer

A)  lobster. 
B)  earthworm. 
C)  sea star. 
D)  squid. 
E)  planarian. 
A)  lobster. 
B)  earthworm. 
C)  sea star. 
D)  squid. 
E)  planarian.

Question 20

Neuroglia are

Accepted Answer

A)  another term for neurons. 
B)  helper cells that move neurons from place to place. 
C)  cells that provide insulation to neurons. 
D)  chemicals that conduct signals across synapses. 
E)  more than one of these. 
A)  another term for neurons. 
B)  helper cells that move neurons from place to place. 
C)  cells that provide insulation to neurons. 
D)  chemicals that conduct signals across synapses. 
E)  more than one of these.

Exam 24: Neural Control and the Senses

Where are neurotransmitters stored?

The white matter differs from gray matter in that

What type of sensory receptors create the action potential that we ultimately perceive as sound?

In order to establish a membrane potential, the cytoplasmic fluid is ____ compared to the interstitial fluid

The vision center of the cerebral cortex is located in the ___lobe.

The part of the human eye that contains the photoreceptors is the

Use the above figure to answer the following question(s). Referring to the above diagram of the brain, F identifies which region?

Axons bundled in connective tissue are called

Gray matter in the central nervous system consists of all of the following except

Language and abstract thought are possible due to

This area of the retina has the most photoreceptors and is relatively free of blood vessels. This area of the retina is the

Use the above figure to answer the following question(s). Referring to the above diagram of the brain, C identifies which lobe of the cerebrum?

Symptoms of multiple sclerosis

The major relay station of the brain is the

This animal does not have a brain but rather has a nerve net of interconnected neurons. This animal is

This part of the brain plays an important role in reward-based learning and is part of the brain stem. This part of the brain is the

The brain knows how strong a stimulus is because the brain interprets

This animal has the most complex eye of any invertebrate and an opening that allows light into a dark chamber. This animal is a(an)

Neuroglia are

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