Bio 270 Lecture Exam 2 JMU Hynd Questions And Answers Latest Updates
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Course
Bio 270 JMU Hynd
Institution
Bio 270 JMU Hynd
layers of the eye - ️️Fibrous (cornea/sclera), vascular/nourishing (choroid/iris),
sensory (retina)
blood brain barrier - ️️capillaries sealed with tight junctions to prevent bad stuff from
getting to the brain
Wernicke's area of brain - ️️Language comprehension, sensory
Oligodendr...
remembering dreams - ✔️✔️if woken during REM sleep, will remember
referred pain - ✔️✔️spine doesn't know where the pain is coming from, so puts it
somewhere
reflex - ✔️✔️response that occurs automatically w/out conscious effort. simple and
acquired.
afferent - ✔️✔️to the spinal cord
efferent - ✔️✔️away from the spinal cord
peripheral nervous system - ✔️✔️sends info from environment to CNS, links CNS to
muscles/glands
modality - ✔️✔️stimulant of receptors in PNS
types of receptors in PNS - ✔️✔️photoreceptors, mechanoreceptors, thermoreceptors,
osmoreceptors, chemoreceptors, nociceptors (pain)
tonic receptor - ✔️✔️slow with no adaptation
phasic - ✔️✔️rapid adaptation
receptive field - ✔️✔️region of skin that a receptor covers, smaller in receptive dense
areas
polymodal nociceptor - ✔️✔️responds to all types of pain
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