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BIOLOGICAL
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hy PSYCHOLOGY,13THEDITION, JAMES
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W. KALAT
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Material



Chapter 01 hy




1. Dendrites contain the nuclei, ribosomes, mitochondria, and other structures found in most cells.
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a. True
b. False
ANSWER: False h y




2. Neurons receive information and transmit it to other cells.
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a. True
b. False
ANSWER: True h y




3. Santiago Ramón y Cajal used special staining techniques to reveal that the brain is composed of individual cells.
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a. True
b. False
ANSWER: True h y




4. An efferent axon carries information away from a structure.
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a. True
b. False
ANSWER: True h y




5. The greater the surface area of a dendrite, the more information it can receive from other neurons.
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a. True
b. False
ANSWER: True h y




6. Neurons are distinguished from other cells by their shape.
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a. True
b. False
ANSWER: True h y




7. The role of glial cells is to act like ―glue‖ or scaffolding to support the neurons.
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a. True
b. False
ANSWER: False h y




8. Glial cells transmit information across long distances.
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a. True
b. False
ANSWER: False h y




9. There are two types of glial cells that produce myelin sheath. In the central nervous system, Schwann cells fulfill
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this role and, in the periphery, oligodendrocytes produce it.
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BRILLIANT hyNURSE Page 1
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,Chapter 01 hy




a. True
b. False
ANSWER: False h y




10. The blood-brain barrier is made up of closely packed glial cells.
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a. True
b. False
ANSWER: False h y




11. The difference in voltage in a resting neuron is called the resting potential.
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a. True
b. False
ANSWER: True h y




12. Increasing the electrical gradient for potassium will reduce the tendency for potassium ions to exit the neuron.
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a. True
b. False
ANSWER: True h y




13. At the resting potential, the potassium channels are completely closed and the sodium channels are almost closed.
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a. True
b. False
ANSWER: False h y




14. Dr. Skinner is working in the lab measuring the voltage of neurons, and during one condition, she tried to
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depolarize the neurons from -70 mV to -80 mV.
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a. True
b. False
ANSWER: False h y




15. Action potentials can be produced in the dendrites of some neurons.
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a. True
b. False
ANSWER: False h y




16. The two basic kinds of cells in the nervous system are
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a. neurons and glia hy hy




b. dendrites and axons hy hy




c. ribosomes and lysosomes hy hy




d. neurons and axons hy hy




ANSWER: a h y




BRILLIANT hyNURSE Page 2
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, Chapter 01 hy




17. Santiago Ramon y Cajal demonstrated that
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a. at rest, the neuron has a negative charge inside its membrane
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b. neurons are separate from one another hy hy hy hy hy




c. neurons communicate at specialized junctions called synapses
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d. action potentials follow the all-or-none law
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ANSWER: b h y




18. Both and hy shared the Nobel Prize for Physiology or Medicine in 1906.
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a. Golgi and Cajal hy hy




b. Cajal and Sherrington hy hy




c. Sherrington and Golgi hy hy




d. Cajal and Kalat hy hy




ANSWER: a h y




19. Dr. Kimi studies the plasma membrane of neurons. He specifically researches the specialized
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hy important things like water, oxygen, sodium, and so on.
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a. lipid channels hy




b. protein channels hy




c. lipid receptors hy




d. protein receptors hy




ANSWER: h y b

20. Neurons differ most strongly from other body cells in their
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a. temperature
b. shape
c. osmotic pressure hy




d. mitochondria
ANSWER: b h y




21. What do neurons have that other cells do not?
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a. A plasma membrane
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b. Large, branching extensions hy hy




c. Protein channels hy




d. An endoplasmic reticulum
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ANSWER: b h y




22. Dr. McLaughlin’s lab studies how newly formed proteins are folded inside neurons. They would be most interested
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in studying the .
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a. endoplasmic reticulum hy




b. mitochondria
c. ribosomes
BRILLIANT hyNURSE Page 3
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