the resting membrane potential of a receptor cell an action potential always

The resting membrane potential of a receptor cell an

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the resting membrane potential of a receptor cell an action potential always converted to an action potential in sensory receptor cells a graded potential never converted to an action potential in sensory receptor cells Question 49 0 / 1 point The two-point discrimination test _____. provides a measure of receptive field size for touch receptors monitors the activity of taste buds is used to determine clarity of vision provides information about olfactory receptors
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is used to test for hearing disorders Question 50 0 / 1 point Sensory modality describes ______. the type of sensory information carried on a neuron the intensity of a receptor potential the ability of a sensory receptor to adapt the amplitude of an action potential the location of stimulus Question 51 0 / 1 point The intensity of a stimulus can be determined within the central nervous system by ____. A) population coding B) labeled line coding C) frequency coding D) both A and B are correct
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E) both A and C are correct Question 52 0 / 1 point Tonic receptors _______. slowly decrease the frequency of action potentials generated to a constant stimulus once threshold is reached by a stimulus will always generate action potentials are attune to parameters that the body must continuously assess once threshold is reached by a stimulus will never generate action potentials are quick to adapt to a particular stimulus intensity Question 53 0 / 1 point What type of receptor detects odorants in the air of the upper nasal cavity? chemoreceptors mechanoreceptors thermoreceptors photoreceptors
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nociceptors Question 54 1 / 1 point Acids (H + ) would trigger which of the following types of taste? salty sweet sour bitter umami Question 55 0 / 1 point Hearing loss that results from damage to the structures of the inner ear is called _________. conductive hearing loss sensorineural hearing loss central hearing loss Question 56 1 / 1 point
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During a middle ear infection (otitis media), fluid can build up in the ________. vestibular apparatus ear canal cochlea middle ear pinna Question 57 0 / 1 point The 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 membrane B) the frequency of the action potentials received by the brain C) the amplitude of the action potentials received by the brain D) both A and B are correct E) both A and C are correct Question 58 0 / 1 point Which of the following inner ear structures detects linear acceleration?
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semicircular canals endolymph saccule and utricle cochlea organ of Corti Question 59 0 / 1 point Far-sightedness caused by loss of lens flexibility is called ______. presbyopia accommodation astigmatism hyperopia myopia Question 60 0 / 1 point A decrease in the release of neurotransmitter from a photoreceptor would indicate a(n)_____.
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