Question 1

Which of the following does NOT give rise to brain tumors?

Accepted Answer

A)  neurons 
B)  neuroglia 
C)  epithelial cells in the meninges 
D)  epithelial cells in the pituitary glands 
E)  all of these can give rise to brain tumors 
A)  neurons 
B)  neuroglia 
C)  epithelial cells in the meninges 
D)  epithelial cells in the pituitary glands 
E)  all of these can give rise to brain tumors

Question 2

The human eye's protective mucus membrane is the

Accepted Answer

A)  retina. 
B)  sclera. 
C)  cornea. 
D)  conjunctiva. 
E)  aqueous humor. 
A)  retina. 
B)  sclera. 
C)  cornea. 
D)  conjunctiva. 
E)  aqueous humor.

Question 3

Characteristics of a nerve net include

Accepted Answer

A)  a centralized brain. 
B)  one way flow of information between cells. 
C)  well developed neurons. 
D)  paired ganglia. 
E)  none of these. 
A)  a centralized brain. 
B)  one way flow of information between cells. 
C)  well developed neurons. 
D)  paired ganglia. 
E)  none of these.

Question 4

In a motor neuron, what is the correct order of structures from the receiving end to the terminal end?

Accepted Answer

A)  axon-cell body-dendrites 
B)  dendrites-axon-cell body 
C)  dendrites-cell body-axon 
D)  cell body-dendrites-axon 
E)  axon-dendrites-cell body 
A)  axon-cell body-dendrites 
B)  dendrites-axon-cell body 
C)  dendrites-cell body-axon 
D)  cell body-dendrites-axon 
E)  axon-dendrites-cell body

Question 5

Which of the following structures of the ear are NOT involved with hearing?

Accepted Answer

A)  the cochlea 
B)  the organ of Corti 
C)  the vestibular apparatus 
D)  the oval window 
E)  all of these structures of the ear are involved with hearing 
A)  the cochlea 
B)  the organ of Corti 
C)  the vestibular apparatus 
D)  the oval window 
E)  all of these structures of the ear are involved with hearing

Question 6

The three membranes that enclose and protect the central nervous system are the

Accepted Answer

A)  cerebra. 
B)  meninges. 
C)  neuroglia. 
D)  adrenals. 
E)  ganglia. 
A)  cerebra. 
B)  meninges. 
C)  neuroglia. 
D)  adrenals. 
E)  ganglia.

Question 7

When sodium ions diffuse into the axon's cytoplasm, the cytoplasm becomes

Accepted Answer

A)  more positively charged. 
B)  more negatively charged. 
C)  neutrally charged. 
D)  impermeable to more sodium ions. 
E)  more than one of these 
A)  more positively charged. 
B)  more negatively charged. 
C)  neutrally charged. 
D)  impermeable to more sodium ions. 
E)  more than one of these

Question 8

The sodium-potassium pump

Accepted Answer

A)  helps to maintain resting potential. 
B)  pumps potassium out of the neuron and sodium into the neuron. 
C)  pumps sodium out of the neuron and potassium into the neuron. 
D)  does both a and b. 
E)  does both a and c. 
A)  helps to maintain resting potential. 
B)  pumps potassium out of the neuron and sodium into the neuron. 
C)  pumps sodium out of the neuron and potassium into the neuron. 
D)  does both a and b. 
E)  does both a and c.

Question 9

Sensory neurons responsible for somatic sensations are located

Accepted Answer

A)  in the skin. 
B)  in muscles. 
C)  in tendons. 
D)  in joints. 
E)  in all of these. 
A)  in the skin. 
B)  in muscles. 
C)  in tendons. 
D)  in joints. 
E)  in all of these.

Question 10

Use the above figure to answer the following question(s). Referring to the above diagram, the dendrites are labeled as

Accepted Answer

A)  A. 
B)  B. 
C)  C. 
D)  D. 
E)  E. 
A)  A. 
B)  B. 
C)  C. 
D)  D. 
E)  E.

Question 11

The initial influx of sodium ions when an action potential begins causes which of the following to follow?

Accepted Answer

A)  a chain reaction in which more and more sodium channels open 
B)  a chain reaction in which potassium channels open 
C)  sodium channels rapidly close 
D)  potassium channels rapidly close 
E)  the cytoplasm becomes more negatively charged 
A)  a chain reaction in which more and more sodium channels open 
B)  a chain reaction in which potassium channels open 
C)  sodium channels rapidly close 
D)  potassium channels rapidly close 
E)  the cytoplasm becomes more negatively charged

Question 12

The boundary between the middle ear and the inner ear is the

Accepted Answer

A)  eardrum. 
B)  oval window. 
C)  cochlea. 
D)  stirrup. 
E)  auditory canal. 
A)  eardrum. 
B)  oval window. 
C)  cochlea. 
D)  stirrup. 
E)  auditory canal.

Question 13

The communication point between two neurons is called the

Accepted Answer

A)  electrical synapse. 
B)  chemical synapse. 
C)  neural junction. 
D)  neural bridge. 
E)  interneuron. 
A)  electrical synapse. 
B)  chemical synapse. 
C)  neural junction. 
D)  neural bridge. 
E)  interneuron.

Question 14

When a neuron is at rest

Accepted Answer

A)  there are more positively charged ions inside the axon than outside it. 
B)  there are more negatively charged ions inside the axon than outside it. 
C)  there are more negatively charged ions outside the axon than inside it. 
D)  there are equal amounts of negatively charged ions outside the axon and inside it. 
E)  there are more positively charged ions outside the axon than inside it. 
A)  there are more positively charged ions inside the axon than outside it. 
B)  there are more negatively charged ions inside the axon than outside it. 
C)  there are more negatively charged ions outside the axon than inside it. 
D)  there are equal amounts of negatively charged ions outside the axon and inside it. 
E)  there are more positively charged ions outside the axon than inside it.

Question 15

Neurotransmitters are removed from the synaptic cleft by

Accepted Answer

A)  diffusion. 
B)  enzymatic degradation. 
C)  active pumping back into the neuron. 
D)  all of these. 
E)  b and c only. 
A)  diffusion. 
B)  enzymatic degradation. 
C)  active pumping back into the neuron. 
D)  all of these. 
E)  b and c only.

Question 16

Parkinson's disease is caused by a shortage of the neurotransmitter

Accepted Answer

A)  acetylcholine. 
B)  serotonin. 
C)  dopamine. 
D)  norepinephrine. 
E)  an endorphin. 
A)  acetylcholine. 
B)  serotonin. 
C)  dopamine. 
D)  norepinephrine. 
E)  an endorphin.

Question 17

The nervous system of vertebrates has how many divisions?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  variable, depending on the animal 
A)  1 
B)  2 
C)  3 
D)  4 
E)  variable, depending on the animal

Question 18

Selecting the Exception When the myelin sheath is destroyed, like in MS patients, the resulting disruption in information flow can lead to all of the following EXCEPT

Accepted Answer

A)  muscle weakness. 
B)  severe hyperactivity. 
C)  numbness. 
D)  tremors. 
E)  visual problems. 
A)  muscle weakness. 
B)  severe hyperactivity. 
C)  numbness. 
D)  tremors. 
E)  visual problems.

Question 19

Use the above figure to answer the following question(s). Referring to the above diagram of the brain, B 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 20

A severely injured animal is able to still able to defend itself due to the action of ___.

Accepted Answer

A)  dopamine 
B)  endorphins 
C)  serotonin 
D)  acetylcholine 
E)  GABA 
A)  dopamine 
B)  endorphins 
C)  serotonin 
D)  acetylcholine 
E)  GABA

Exam 24: Neural Control and the Senses

Which of the following does NOT give rise to brain tumors?

The human eye's protective mucus membrane is the

Characteristics of a nerve net include

In a motor neuron, what is the correct order of structures from the receiving end to the terminal end?

Which of the following structures of the ear are NOT involved with hearing?

The three membranes that enclose and protect the central nervous system are the

When sodium ions diffuse into the axon's cytoplasm, the cytoplasm becomes

The sodium-potassium pump

Sensory neurons responsible for somatic sensations are located

Use the above figure to answer the following question(s). Referring to the above diagram, the dendrites are labeled as

The initial influx of sodium ions when an action potential begins causes which of the following to follow?

The boundary between the middle ear and the inner ear is the

The communication point between two neurons is called the

When a neuron is at rest

Neurotransmitters are removed from the synaptic cleft by

Parkinson's disease is caused by a shortage of the neurotransmitter

The nervous system of vertebrates has how many divisions?

Selecting the Exception When the myelin sheath is destroyed, like in MS patients, the resulting disruption in information flow can lead to all of the following EXCEPT

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

A severely injured animal is able to still able to defend itself due to the action of ___.

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

Dna Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

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