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BIOL 235 Chapter 16 with 100- correct answers 2024
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BIOL 235 Chapter 16 with 100- correct answers 2024
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BIOL 235: Chapter 16with 100% correct
answers 2024
sensation - answer the conscious or subconscious
awareness of changes in the internal or external
environment.
perception - answer the conscious interpretation
of sensations and is primarily a function of the
cerebral cortex.
sensory modality - answer term for each unique
type of sensation such as touch, pain, vision, or
hearing. A given sensory neuron carries
information for only one type. Can be grouped into
two classes: general senses and special senses.
general senses - answer somatic and visceral
somatic senses - answer 1. tactile (touch,
pressure, vibration, itch, tickle)
2. thermal
,3. pain
4. proprioception
visceral senses - answer provide information
about conditions within internal organs:
1. pressure
2. stretch
3. chemicals
4. nausea
5. hunger
6. temperature
special senses - answer 1. vision
2. hearing
3. taste
4. smell
5. equilibrium
process of sensation - answer 1. Stimulation of
the sensory receptor.
2. Transduction of the stimulus.
3. Generation of nerve impulses.
4. Integration of sensory input.
, stimulus - answer a change in the environment
that can activate certain sensory receptors.
selectivity - answer characteristic of sensory
receptors. A given sensory receptor responds
vigorously to only one particular kind of stimulus
and weakly or not at all to another.
Basis for classification of sensory receptors -
answer 1. microscopic features
2. location and origin of activating stimuli
3. stimulus detected
Classification of sensory receptors (microscopic
features) - answer 1. free nerve endings
2. encapsulated nerve endings
3. separate cells
free nerve endings - answer bare dendrites.
Receptors for pain, temperature, tickle, itch, and
some touch sensations.
encapsulated nerve endings - answer dendrites
enclosed in a connective tissue capsule that has a
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