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