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CD CD
, Chapter 1 CD
1. Dendrites contain the nuclei, ribosomes, mitochondria, and other structures found in most cells.
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a. True
b. False A CD
NSWER: FalseCD
2. Neurons receive information and transmit it to other cells.
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a. True
b. False A CD
NSWER: True CD
3. Santiago Ramón y Cajal used special staining techniques to reveal that the brain is com
CD CD CD CD CD CD CD CD CD CD CD CD CD CD
posed of individual cells.
CD CD CD
a. True
b. False A CD
NSWER: True CD
4. An efferent axon carries information away from a structure.
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a. True
b. False A CD
NSWER: True CD
5. The greater the surface area of a dendrite, the more information it can receive from other neurons.
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a. True
b. False A CD
NSWER: True CD
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CD CD
,6. Neurons are distinguished from other cells by their shape.
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a. True
b. False A CD
NSWER: True CD
7. The role of glial cells is to act like ―glue‖ or scaffolding to support the neurons.
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a. True
b. False A CD
NSWER: False CD
8. Glial cells transmit information across long distances.
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a. True
b. False A CD
NSWER: False CD
9. There are two types of glial cells that produce myelin sheath. In the central nervous system,
CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD
Schwann cells fulfill this role and, in the periphery, oligodendrocytes produce it.
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a. True
b. False A CD
NSWER: False CD
10. The blood-brain barrier is made up of closely packed glial cells.
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a. True
b. False A CD
NSWER: False CD
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CD CD
, 11. The difference in voltage in a resting neuron is called the resting potential.
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a. True
b. False A CD
NSWER: True CD
12. Increasing the electrical gradient for potassium will reduce the tendency for potassium ions to
CD CD CD CD CD CD CD CD CD CD CD CD CD C
Dexit the neuron.
CD CD
a. True
b. False A CD
NSWER: True CD
13. At the resting potential, the potassium channels are completely closed and the sodium chan
CD CD CD CD CD CD CD CD CD CD CD CD CD
nels are almost closed.
CD CD CD
a. True
b. False A CD
NSWER: False CD
14. Dr. Skinner is working in the lab measuring the voltage of neurons, and during one cond
CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD
ition, she tried to depolarize the neurons from -70 mV to -80 mV.
CD CD CD CD CD CD CD CD CD CD CD CD
a. True
b. False A CD
NSWER: False CD
15. Action potentials can be produced in the dendrites of some neurons.
CD CD CD CD CD CD CD CD CD CD
a. True
b. False A CD
NSWER: False CD
Page | 4 CD CD
CD CD
, Chapter 1 CD
1. Dendrites contain the nuclei, ribosomes, mitochondria, and other structures found in most cells.
CD CD CD CD CD CD CD CD CD CD CD CD
a. True
b. False A CD
NSWER: FalseCD
2. Neurons receive information and transmit it to other cells.
CD CD CD CD CD CD CD CD
a. True
b. False A CD
NSWER: True CD
3. Santiago Ramón y Cajal used special staining techniques to reveal that the brain is com
CD CD CD CD CD CD CD CD CD CD CD CD CD CD
posed of individual cells.
CD CD CD
a. True
b. False A CD
NSWER: True CD
4. An efferent axon carries information away from a structure.
CD CD CD CD CD CD CD CD
a. True
b. False A CD
NSWER: True CD
5. The greater the surface area of a dendrite, the more information it can receive from other neurons.
CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD
a. True
b. False A CD
NSWER: True CD
Page | 2
CD CD
,6. Neurons are distinguished from other cells by their shape.
CD CD CD CD CD CD CD CD
a. True
b. False A CD
NSWER: True CD
7. The role of glial cells is to act like ―glue‖ or scaffolding to support the neurons.
CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD
a. True
b. False A CD
NSWER: False CD
8. Glial cells transmit information across long distances.
CD CD CD CD CD CD
a. True
b. False A CD
NSWER: False CD
9. There are two types of glial cells that produce myelin sheath. In the central nervous system,
CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD
Schwann cells fulfill this role and, in the periphery, oligodendrocytes produce it.
CD CD CD CD CD CD CD CD CD CD CD
a. True
b. False A CD
NSWER: False CD
10. The blood-brain barrier is made up of closely packed glial cells.
CD CD CD CD CD CD CD CD CD CD
a. True
b. False A CD
NSWER: False CD
Page | 3
CD CD
, 11. The difference in voltage in a resting neuron is called the resting potential.
CD CD CD CD CD CD CD CD CD CD CD CD
a. True
b. False A CD
NSWER: True CD
12. Increasing the electrical gradient for potassium will reduce the tendency for potassium ions to
CD CD CD CD CD CD CD CD CD CD CD CD CD C
Dexit the neuron.
CD CD
a. True
b. False A CD
NSWER: True CD
13. At the resting potential, the potassium channels are completely closed and the sodium chan
CD CD CD CD CD CD CD CD CD CD CD CD CD
nels are almost closed.
CD CD CD
a. True
b. False A CD
NSWER: False CD
14. Dr. Skinner is working in the lab measuring the voltage of neurons, and during one cond
CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD
ition, she tried to depolarize the neurons from -70 mV to -80 mV.
CD CD CD CD CD CD CD CD CD CD CD CD
a. True
b. False A CD
NSWER: False CD
15. Action potentials can be produced in the dendrites of some neurons.
CD CD CD CD CD CD CD CD CD CD
a. True
b. False A CD
NSWER: False CD
Page | 4 CD CD
