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