University of Iowa - Human Anatomy - Exam 4 questions with answers

University of Iowa - Human Anatomy - |\ |\ |\ |\ |\ |\ |\




Exam 4 questions with answers
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Peripheral nervous system - CORRECT ANSWERS
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✔✔Consists of nerve fibers that carry information
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between the CNS and other parts of the body
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Afferent division - CORRECT ANSWERS ✔✔Detects,
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encodes, and transmits peripheral signals to the CNS
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Sensory receptors - CORRECT ANSWERS ✔✔Found on all
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sensory organs and are specialized cells (neurons) that
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detect stimuli
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Transduction - CORRECT ANSWERS ✔✔Converting broad|\ |\ |\ |\ |\ |\



data into impulses
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Sensation - CORRECT ANSWERS ✔✔Acquisition of the
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information


Perception - CORRECT ANSWERS ✔✔How we interpret
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sensations

,Stimulus
Transduction
Conduction
Perception - CORRECT ANSWERS ✔✔Four steps to |\ |\ |\ |\ |\ |\ |\



perception


Stimulus - CORRECT ANSWERS ✔✔Broad data
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Transduction - CORRECT ANSWERS ✔✔Conversion of |\ |\ |\ |\ |\ |\



information to an impulse |\ |\ |\




Conduction - CORRECT ANSWERS ✔✔How the impulse |\ |\ |\ |\ |\ |\ |\



travels toward the CNS via sensory neurons
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Perception - CORRECT ANSWERS ✔✔Our interpretation
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Photoreceptors - CORRECT ANSWERS ✔✔- Receive light |\ |\ |\ |\ |\ |\




- Found only in the retina of the eye
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- 2 types (rods and cones)
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Rods and cones - CORRECT ANSWERS ✔✔What are the
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two types of photoreceptors
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,Rods - CORRECT ANSWERS ✔✔Primarily responsible for
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vision and dim light and detect motion
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Periphery


Cones - CORRECT ANSWERS ✔✔Detect detail and color.
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Primarily active in bright light conditions
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Back of eye
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Color vision
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Extrinsic muscles - CORRECT ANSWERS ✔✔Move the eye
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ball


Medial and lateral canthus, lacrimal caruncle, conjunctiva
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- CORRECT ANSWERS ✔✔Parts of the eyelid
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Medial and lateral canthus - CORRECT ANSWERS
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✔✔Corner where upper and lower eyelids meet
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Lacrimal caruncle - CORRECT ANSWERS ✔✔Pinky, fleshy
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portion of inner corner (where gunk builds up)
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, Conjunctiva - CORRECT ANSWERS ✔✔Membrane lining
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both the upper and lower lid and the eyeball
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Lacrimal apparatus - CORRECT ANSWERS ✔✔Tear
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producing structure |\




Lacrimal glands, canaliculi, lacrimal sac, nasolacrimal
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duct - CORRECT ANSWERS ✔✔Parts of the lacrimal
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apparatus


Lacrimal glands - CORRECT ANSWERS ✔✔Superior lateral
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portion of eye |\ |\




Produce glands |\




Canaliculi (lacrimal canals) - CORRECT ANSWERS
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✔✔Excess tears drain out of here |\ |\ |\ |\ |\




Lacrimal sac - CORRECT ANSWERS ✔✔Nasal cavity area
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Nasolacrimal duct - CORRECT ANSWERS ✔✔Tears run out |\ |\ |\ |\ |\ |\ |\ |\



of nose
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