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