Exam 2 2010 Key

Exam 2 2010 Key - Exam#2Key MultipleChoice 1 d 2 a 3 c 4 e...

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Exam #2 Key Multiple Choice 1) d 2) a 3) c 4) e 5) b 6) a 7) b 8) e 9) a 10) b 11) b 12) c 13) c 14) b 15) a 16) b 17) a 18) c 19) c 20) d 21) b 22) e 23) e 24) b 25) b 26) c 27) b 28) c 29) a 30) d 31) a 32) a 33) b 34) b 35) b 36) c 37) d 38) c 39) e 40) a 41) d 42) b 43) f 44) b 45) d 46) a 47) f 48) c 49) e 50) b Short Answer: 1) Starting in the upper left corner c – cornea, a – anterior chamber, j – sclera, b – choroid, h – retina, d – fovea centralis, g – optic nerve, k – vitreous humor, f – lens, e – iris, i – pupil. So c, a, j, b, h, d, g, k, f, e, h, i 2) Skull – bone absorbs shocks to the brain and protects it; meninges – act as a physical layer of protection and helps prevent excessive movement of the brain; Blood – brain barrier – prevents non‐lipid soluble substances from entering the brain (keeps out pathogens); Cerebrospinal Fluid – cushions the brain 3) A) The reflex would not function because the signal would not reach the motor neuron B) Yes C) Yes D) Increase – because it would now have to be pulled of via a voluntary motor command which is slower than a reflex.
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