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Practice Test
: Sensory
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Reticular formation
If more cones than rods
Mechano receptors
Photopsin
Chemoreceptors
Pacinian corpuscle
Myosin pulls on actin to contract muscles
Stimulated by physical deformation, light touch
Diffuse network of neurons in the core of the brainstem, determines which information reaches the cerebral cortex
Found inside of cones-red, blue, green
worse night vision
connective tissue incloses a dendrite, deep pressure
y
Gustatory-taste receptors, olfactory-smell receptors
Short Answer
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Conjunctivia
Chemoreceptors
Hair root plexus
Merkel's disc
Ruffini corpuscle
Multiple Choice
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Chemoreception
Taste
Light reception, sensing the "visible spectrum"
Olfaction
Sensory information is transmitted through the nervous system through nerve impulses; transmit action potentials to the CNS
Different hairs along cochlea stimulated for different pitches
Perception
Making a meaningful understanding of a stimuli, allows one to "fill in the gaps"
Actin
Blood hounds, only ones with direct connection to the brain
However there are multiple muscle fibers per nerve
Takes information and processes it
Cochlea
connective tissue incloses a dendrite, deep pressure
Stimulated by physical deformation, light touch
1)Infrared 2)Magnetoception 3)Ultra-violet 4)Electroreception
Stimulated by hair, free nerve endings around follicles
Different hairs along cochlea stimulated for different pitches
Thins filaments
Gustatory-taste receptors, olfactory-smell receptors
Sense movement
Actin
Takes information and processes it
Can only focus on one depth (finger or classroom)
Thick filaments
Stimulated by hair, free nerve endings around follicles
Epithelial layer that lays on top of the schlera
Detect stretch, heavy touch, pressure
Myosin
Fine touch receptor wrapped in bundle of connective tissue
True or False
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Sensation
Light touch receptor right beneath skin ie fingertips
True
False
Sensory receptors
However there are multiple muscle fibers per nerve
True
False
Photoreception
Light reception, sensing the "visible spectrum"
True
False
Electromagnetic receptors
Cells involved with sensing things, *external and *internal, neurons, epithelial cells
True
False
Thermo receptors
Heat (warm)-in dermis, Cold receptors (at base of epidermis)
True
False
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Practice Test: Sensory