Exam #5 Ch. 14 Flashcards
(122 cards)
what is sensation the stimulation of?
a receptor
what is perception?
the awareness of a sensation
where are general senses?
widespread on the body
what does general senses include?
touch, temperature, pain etc.
what are the three types of general senses?
1) somatic
2) propicception
3) visceral
what does somatic senses provide?
information about the body and environment
what does proprioception provide?
information on body position and movement
what does visceral senses provide?
information about internal organs
where are special senses located/
they are localized on the body
what senses does special senses include?
sight, hearing, balance, smell and taste
how are sensory receptors categorized?
1) by type of stimulus
2) by location
3) by structure
which sensory receptors are categorized by type of stimulus? (5) (MCTPN)
1) mechanoreceptors
2) chemoreceptors
3) thermoreceptors
4) photoreceptors
5) nociceptors
what do mechanoreceptors respond to?
mechanical force such as compression, bending or stretching of cells
what do chemoreceptors respond to?
chemicals
what depends on chemoreceptors?
taste and smell
what do thermoreceptors respond to?
changes in temperature at the site of the receptor
what is thermoreceptors necessary for?
the sense of temperature
what does photoreceptors respond to?
light striking the receptor cells
what are photoreceptors necessary for?
vision
what do nociceptors (pain receptors) respond to?
extreme mechanical, chemical and thermal stimuli
what is unique about nociceptors?
most sensory receptors respond to one type of stimulus but nociceptors respond to more than one
which sensory receptors are categorized by location? (3) (CVP)
1) cutaneous
2) visceroceptors
3) proprioceptors
what are cutaneous receptors associated with?
skin
what are visceroreceptors associated with?
the viscera of organs