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Magazine Problem 1
Identify the five key parts of a neuron.
Problem 2
Imagine that you are giving a speech. Identify the cortical lobes involved when you are: a. seeing faces in the audience ___ b. hearing questions from the audience ____ c. remembering to close your speech with the quote you memorized____ d. noticing that your new shoes are too tight and hurting your feet ____
Problem 2
An action potential is _______ . a. the likelihood that a neuron will take action when stimulated b. the tendency for a neuron to be potentiated by neurotransmitters c. the firing of a nerve, either toward or away from the brain d. a neural impulse that carries information along the axon of a neuron
Problem 2
Damage to the medulla can lead to loss of ___________ a. vision b. respiration c. hearing d. smell
Problem 3
The peripheral nervous system is ________. a. composed of the spinal cord and peripheral nerves b. less important than the central nervous system c. contained within the skull and spinal column d. a combination of all the nerves and neurons outside the brain and spinal cord
Problem 3
Specialization of the left and right hemispheres of the brain for particular operations is known as ___ a. centralization b. asymmetrical processing c. normalization of function d. lateralization
Problem 3
The pons, cerebellum, and the medulla are all _____________ a. higher-level brain structures b. cortical areas c. association areas d. hindbrain structures
Problem 3
According to the all-or-nothing principle, ________. a. a neuron cannot fire again during the refractory period b. a neurotransmitter either attaches to a receptor site or is destroyed in the synapse c. a neuron either fires completely or not at all d. none of these options is correct
Problem 4
Although the left and right hemispheres sometimes perform different, specialized functions, they are normally in close communication and share functions, thanks to the _____ a. thalamus system b. sympathetic nervous c. corpus callosum d. cerebellum
Problem 4
Chemical messengers that are released by neurons and travel across the synapse are called _________ . a. chemical agonists b. neurotransmitters c. synaptic transmitter d. neuroactivists
