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1 | |
A(n) _____ of a neuron conducts nerve impulses away from the cell body. (p. 246) |
| | A) | dendrite |
| | B) | axon |
| | C) | myelin sheath |
| | D) | fibron |
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2 | |
A(n) _____________ is located within the central nervous system and conveys messages between neurons. (p. 246) |
| | A) | sensory neuron |
| | B) | interneuron |
| | C) | motor neuron |
| | D) | All of these are correct. |
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3 | |
In the central nervous system, the brain and spinal cord are protected by membranes known as the _________ as well as cushioned by cerebrospinal fluid. (p. 248) |
| | A) | meninges |
| | B) | vesicles |
| | C) | tendons |
| | D) | peritoneum |
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4 | |
The spinal cord is the center for thousands of __________. (p. 249) |
| | A) | spinal nerves |
| | B) | cell types |
| | C) | interneurons |
| | D) | reflex arcs |
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5 | |
The portion of the brain responsible for higher thought processes is the _____ . (p. 251) |
| | A) | cerebellum |
| | B) | diencephalon |
| | C) | cerebrum |
| | D) | none of these |
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6 | |
Which of the following are examples of areas of the cerebral cortex that have been mapped in detail? (p. 251, 252) |
| | A) | motor areas |
| | B) | somatosensory areas |
| | C) | association areas |
| | D) | All of these are correct. |
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7 | |
The integrating center for the autonomic system is the _____. (p. 252) |
| | A) | thalamus |
| | B) | hypothalamus |
| | C) | pineal gland |
| | D) | cerebrum |
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8 | |
The function of the cerebellum is ______. (p. 252) |
| | A) | consciousness |
| | B) | muscle coordination |
| | C) | temperature regulation |
| | D) | sensory reception |
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9 | |
The medulla oblongata contains reflex centers for ______. (p. 252) |
| | A) | vomiting, coughing, sneezing, hiccuping, and swallowing |
| | B) | knee-jerk |
| | C) | blinking |
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10 | |
If the portion of the brain stem called the reticular activating system is severely injured, it can cause a _____ . (p. 253) |
| | A) | coma |
| | B) | loss of speech |
| | C) | loss of vision |
| | D) | loss of long term memory |
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11 | |
Within the limbic system, the ________ is/are thought to be involved in learning and memory. (p. 253, 254) |
| | A) | pineal gland |
| | B) | cerebrum |
| | C) | corpus callosum |
| | D) | hippocampus and amygdala |
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12 | |
Recalling facts for a final exam that you learned thoroughly at the beginning of your biology class illustrate what type of memory? (p. 254) |
| | A) | short-term memory |
| | B) | long-term memory |
| | C) | semantic memory |
| | D) | skill memory |
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13 | |
The peripheral nervous system consists of the __________. (p. 256) |
| | A) | cranial nerves and spinal nerves |
| | B) | muscles |
| | C) | skeleton |
| | D) | bones |
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14 | |
The somatic system controls the ______. (p. 257) |
| | A) | skeletal muscles and skin |
| | B) | internal organs |
| | C) | skin and smooth muscle |
| | D) | glands and secretory cells |
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15 | |
A reflex arc involves only a sensory neuron, _____ , and a motor neuron. (p. 257) |
| | A) | interneurons in the spinal cord |
| | B) | the spinal cord and the brain |
| | C) | both A and B |
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16 | |
Which of the following are characteristic of the sympathetic division of the autonomic system? (p. 259) |
| | A) | inhibits the digestive tract |
| | B) | dilates the bronchi |
| | C) | accelerates the heart rate |
| | D) | All of these are correct. |
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17 | |
Comparing the parasympathetic division to the sympathetic division, the parasympathetic division has what characteristic? (p. 259) |
| | A) | shorter postganglionic fiber |
| | B) | postganglionic fiber secretes acetylcholine |
| | C) | brings responses associated with a relaxed state |
| | D) | All of these are correct. |
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18 | |
The resting potential indicates that the charge inside the neuron is __________ compared to the outside. (p. 260) |
| | A) | positive |
| | B) | negative |
| | C) | neutral |
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19 | |
The action potential is measured in millivolts (mV) and when action potential occurs, the membrane potential ranges from ________. (p. 260) |
| | A) | -90mV to +20mV |
| | B) | -70mV to +30mV |
| | C) | -65mV to +40mV |
| | D) | -30mV to +60mV |
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20 | |
At a synapse, the gap between the axon bulb of one neuron and the dendrites of another is called a(an) _____. (p. 263) |
| | A) | neurotransmitter |
| | B) | synaptic cleft |
| | C) | Schwann cell |
| | D) | All of these are correct. |
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21 | |
At least ____ different neurotransmitters have been identified. (p. 263) |
| | A) | 10 |
| | B) | 15 |
| | C) | 20 |
| | D) | 25 |
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22 | |
Unusual plaques containing beta amyloid are characteristic of what degenerative nervous system disease? (p. 266) |
| | A) | Parkinson's disease |
| | B) | Alzheimer disease |
| | C) | drug dependence |
| | D) | All of these are correct. |
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2002 McGraw-Hill Higher Education