Biological Psychology Test Bank Updated

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Biological Psychology Test Bank/ Updated Questions and Verified Answers/ 13th Edition by James W. Kalat

• Dendrites contain the nuclei, ribosomes, mitochondria, and other structures found in most cells.

• True

*b. False

• Neurons receive information and transmit it to other cells.

*a. True

• False

• Santiago Ramón y Cajal used special staining techniques to reveal that the brain is composed of

individual cells.

*a. True

• False

• An efferent axon carries information away from a structure.

*a. True

• False

• The greater the surface area of a dendrite, the more information it can receive from other neurons.

*a. True

• False

• Neurons are distinguished from other cells by their shape. 1 / 3

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*a. True

• False

• The role of glial cells is to act like “glue” or scaffolding to support the neurons.

• True

*b. False

• Glial cells transmit information across long distances.

• True

*b. False

• There are two types of glial cells that produce myelin sheath. In the central nervous system, Schwann

cells fulfill this role and, in the periphery, oligodendrocytes produce it.

• True

*b. False

• The blood-brain barrier is made up of closely packed glial cells.

• True

*b. False

• The difference in voltage in a resting neuron is called the resting potential.

*a. True

• False

• Increasing the electrical gradient for potassium will reduce the tendency for potassium ions to exit the

neuron.

*a. True

• False

• At the resting potential, the potassium channels are completely closed and the sodium channels are

almost closed.

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• True

*b. False

• Dr. Skinner is working in the lab measuring the voltage of neurons, and during one condition, she

tried to depolarize the neurons from -70 mV to -80 mV.

• True

*b. False

• Action potentials can be produced in the dendrites of some neurons.

• True

*b. False

• The two basic kinds of cells in the nervous system are _____.

*a. neurons and glia

• dendrites and axons
• ribosomes and lysosomes
• neurons and axons

• Santiago Ramon y Cajal demonstrated that ____.

• at rest, the neuron has a negative charge inside its membrane

*b. neurons are separate from one another

• neurons communicate at specialized junctions called synapses
• action potentials follow the all-or-none law

• Both ____ and ____ shared the Nobel Prize for Physiology or Medicine in 1906.

*a. Golgi and Cajal

• Cajal and Sherrington
• Sherrington and Golgi
• Cajal and Kalat

• Dr. Kimi studies the plasma membrane of neurons. He specifically researches the

specialized _____ that allow in important things like water, oxygen, sodium, and so on.

• lipid channels *b. protein channels c. lipid receptors
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