HW_Ch34-Biol1407

HW_Ch34-Biol1407 - Biology Life on Earth 7e Student Self Test Questions and Answers Chapter 34 The Nervous System and the Senses Self Test 1 Which

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Biology: Life on Earth 7e Student Self Test Questions and Answers Chapter 34: The Nervous System and the Senses Self Test 1. Which portion of a neuron will conduct impulses toward the cell body? a. axon b. Schwann cells c. dendrites d. synaptic terminals 2. The point at which the action potential is triggered is called __________. a. resting potential b. threshold c. repolarization 3. Depending on the type of synapse, the effect of the neurotransmitter can be _________ to the postsynaptic membrane, making the membrane ____________. a. excitatory; more negative b. inhibitory; less negative c. excitatory; less negative 4. Which of these divisions of the peripheral nervous system will innervate skeletal muscle? a. autonomic nervous system b. sympathetic nervous system c. somatic nervous system 5. Which of these areas of the brain is part of the limbic system? a. thalamus b. cerebral cortex c. medulla oblongata d. hypothalamus 6. If a drug causes the neuron's membrane to become a little more permeable to all ions, what will happen to the resting and threshold potentials? a. The resting and threshold potentials will be unchanged. b. The resting potential will move closer to the threshold potential. c. The resting potential will move further from the threshold potential. 7. What would be the effect at a synapse if the neurotransmitter was allowed to remain in the synaptic cleft bound to receptors? a. The size of the synaptic signal would remain the same. b. The size of the synaptic signal would be smaller.
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This note was uploaded on 07/10/2011 for the course BIO 2113 taught by Professor Gantt during the Spring '11 term at Chatt Tech.

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HW_Ch34-Biol1407 - Biology Life on Earth 7e Student Self Test Questions and Answers Chapter 34 The Nervous System and the Senses Self Test 1 Which

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