Chapter 3 Quiz
A part of David's brain was damaged in a ski accident. Once he was out of his coma, the doctors noticed that even though he could produce words in speech, he couldn't seem to understand the meanings of the words spoken by others. In this scenario, which of the following areas of David's brain was damaged that caused this symptom? fusiform gyrus motor cortex Wernicke's area Broca's area
Wernicke's area
The term _____ describes the brief wave of positive electrical charge that sweeps down the axon of a neuron. polarized potential graded potential action potential resting potential
action potential
Which of the following is the best representation of the flow of information within a neuron? axon → nucleus → dendrite cell body → dendrite → axon nucleus → dendrite → axon dendrite → cell body → axon
dendrite → cell body → axon
In the context of specialized cell structure, the myelin sheath is a layer of cells containing scar tissue treelike fibers glia fat
fat
While Professor Travis is on the phone, he notices a glass vase sliding off the top shelf of his bookcase, about to fall on his dog. He moves quickly to catch the vase and prevent it from falling on his dog. In the context of the cerebral cortex, the quick movement of his hand is most likely caused by a process in the somatosensory cortex. motor cortex Wernicke's area. temporal lobe
motor cortex
In the context of the divisions of the nervous system, the autonomic nervous system consists of the brain and spinal cord. peripheral nervous system and central nervous system. parasympathetic nervous system and sympathetic nervous system. somatic nervous system.
parasympathetic nervous system and sympathetic nervous system.
Gregory is an excellent basketball player. He is always able to gauge the distance between himself and the basket correctly, and he never misses a shot. Which of the following regions of the cerebral cortex should function most efficiently to help him use this spatial location skill? prefrontal cortex parietal lobe temporal lobe somatosensory cortex
parietal lobe
Which of the following regions of the cerebral cortex is involved in higher cognitive functions such as planning, reasoning, and self-control? somatosensory cortex prefrontal cortex hippocampus amygdala
prefrontal cortex
Elizabeth feels her heart racing while she waits for her turn at a job interview. These physiological symptoms are most likely produced by her _____ nervous system. parasympathetic central somatic sympathetic
sympathetic
Lionel is preparing for his first job interview. The night before the interview, he is restless and anxious; his palms are sweating and his heart is beating faster than usual. In this scenario, Lionel's physiological responses can be best attributed to his _____ nervous system. sympathetic parasympathetic somatic central
sympathetic
Which division of the peripheral nervous system is responsible for physiological symptoms such as increased heart rate and butterflies in the stomach? somatic nervous system central nervous system sympathetic nervous system parasympathetic nervous system
sympathetic nervous system
