Bio I Quiz 4 2010 - You scored 80 out of 110 Question 1...

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You scored 80 out of 110 Question 1 Your answer is CORRECT. The detection of a stimulus by a sensory receptor cell occurs during which stage of the sensory pathway? A) amplification B) transmission C) integration D) transduction E) reception Question 2 Your answer is CORRECT. Which of the following is false regarding sensory systems? A) In hearing, pressure waves in air are converted to fluid pressure waves inside the cochlea. B) Sensory cells of tastes buds, hair cells of the ear, and rods and cones of the retina release neurotransmitter to associated cells. C) The lens of each eye accommodates (becomes thicker) to view nearby (i.e., close-up) objects. D) Taste buds possess mechanoreceptors, while hair cells have chemoreceptors. E) Rod cells hyperpolarize in the presence of light. Question 3 Your answer is CORRECT. During the contraction of a vertebrate skeletal muscle fiber, calcium ions A) reestablish the polarization of the plasma membrane following an action potential. B) bind with troponin, changing its shape so that the myosin-binding sites on actin are exposed. C)
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This note was uploaded on 03/06/2011 for the course BIOLOGY 1361 taught by Professor Knapp during the Fall '10 term at University of Houston.

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Bio I Quiz 4 2010 - You scored 80 out of 110 Question 1...

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