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