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