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2024/2025 BIOS 252 EXAM 3 REVIEW WITH 100% CORRECT ANSWERS
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2024/2025 BIOS 252 EXAM 3 REVIEW WITH 100% CORRECT ANSWERS
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2024/2025 BIOS 252 EXAM 3 REVIEWWITH 100% CORRECT ANSWERS
What Is A Water Soluble Hormone?
they circulate freely in blood
- amines, peptides, proteins, glycoproteins, and eicosanoids
Where does perception happen?
the cerebrum
Name the three sensory receptors
1. free nerve endings
2. encapsulated nerve endings
3. special sensory cells
what do free nerve endings detect?
- pain
- temperature
- itch
- tickle
What do encapsulated nerve endings detect?
- touch
- pressure
- vibration
Describe Exteroceptors
detect information from outside of the body
Describe Interoceptors
, detect messages from inside the body (messages from organs)
Describe Proprioceptors
- detects where you are in space (holding hand in midair, you are aware of where your
hand is)
what are mechanoreceptors?
receptor that stretch and responds to touch, pressure, vibrations and proprioception
What Are Osmoreceptors?
change in osmolarity
what are thermoreceptors?
detect changes in temperature
what are chemoreceptors?
detect changes in chemicals
** the tongue and nose have chemoreceptors **
what are photoreceptors?
detect change in light (consist of rods and cones) - located in the eyes
what are nociceptors?
detect pain
where are free nerve endings located?
spinothalamic tract
Tactile Sensations In Free Nerve Endings Are:
itch & tickle
Non-Tactile Sensations In Free Nerve Endings Are:
temperature change & pain
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