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