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the resting membrane potential of a receptor cellan action potentialalways converted to an action potential in sensory receptor cellsa graded potentialnever converted to an action potential in sensory receptor cellsQuestion 490 / 1pointThe two-point discrimination test _____.provides a measure of receptive field size for touch receptorsmonitors the activity of taste budsis used to determine clarity of visionprovides information about olfactory receptors
is used to test for hearing disordersQuestion 500 / 1pointSensory modality describes ______.the type of sensory information carried on a neuronthe intensity of a receptor potentialthe ability of a sensory receptor to adaptthe amplitude of an action potentialthe location of stimulusQuestion 510 / 1 pointThe intensity of a stimulus can be determined within the central nervous system by ____.A) population codingB) labeled line codingC) frequency codingD) both A and B are correct
E) both A and C are correctQuestion 520 / 1pointTonic receptors _______.slowly decrease the frequency of action potentials generated to a constant stimulusonce threshold is reached by a stimulus will always generate action potentialsare attune to parameters that the body must continuously assessonce threshold is reached by a stimulus will never generate action potentialsare quick to adapt to a particular stimulus intensityQuestion 530 / 1pointWhat type of receptor detects odorants in the air of the upper nasal cavity?chemoreceptorsmechanoreceptorsthermoreceptorsphotoreceptors
nociceptorsQuestion 541 / 1pointAcids (H+) would trigger which of the following types of taste?saltysweetsourbitterumamiQuestion 550 / 1pointHearing loss that results from damage to the structures of the inner ear is called _________.conductive hearing losssensorineural hearing losscentral hearing lossQuestion 561 / 1point
During a middle ear infection (otitis media), fluid can build up in the ________.vestibular apparatusear canalcochleamiddle earpinnaQuestion 570 / 1pointThe organ of Corti sends electrical information about sound to the brain. The perceived pitch of a sound is determined by ________.A) the location of the activated hair cells on the basilar membraneB) the frequency of the action potentials received by the brainC) the amplitude of the action potentials received by the brainD) both A and B are correctE) both A and C are correctQuestion 580 / 1pointWhich of the following inner ear structures detects linear acceleration?
semicircular canalsendolymphsaccule and utriclecochleaorgan of CortiQuestion 590 / 1pointFar-sightedness caused by loss of lens flexibility is called ______.presbyopiaaccommodationastigmatismhyperopiamyopiaQuestion 600 / 1pointA decrease in the release of neurotransmitter from a photoreceptor would indicate a(n)_____.