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