Chap 40 Neural Signaling

Chap 40 Neural Signaling - Name Class Date ID A Chap 40...

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Name: ________________________ Class: ___________________ Date: __________ ID: A 1 Chap 40 Neural Signaling Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. Which of the following would not be classified as a stimulus? a. presence of predators b. changes in external temperature c. lowered blood pressure d. hunger e. None of these. ____ 2. Which of the following animals do not use neurons to generate a response to a stimulus? a. earthworms b. flatworms c. pufferfish d. sponges e. None of these. ____ 3. The initial response to a stimulus involves which process? a. perception b. integration c. interpretation d. reception e. sensation ____ 4. Afferent neurons: a. transmit information to the central nervous system. b. provide support for the neurons. c. connect motor and sensory neurons. d. transmit information from the central nervous system to effectors. e. are part of the central nervous system. ____ 5. The transmission of your voice from your cell phone to the cell phone tower most closely resembles: a. afferent neurons transmitting information to the central nervous system. b. glial cells providing a support network for the nervous system. c. interneurons connecting motor and sensory neurons. d. efferent neurons transmitting information from the central nervous system to an effector. e. the brain sending an electrical signal down the spinal cord to your leg. ____ 6. Which neurons integrate information coming into and out of the central nervous system? a. afferent neurons b. motor neurons c. interneurons d. efferent neurons e. sensory neurons ____ 7. Which of the following are not functions of a nervous system? a. communication b. monitoring the external environment c. detecting changes in the internal environment d. interpretation of information e. All of these are functions of a nervous system.
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Name: ________________________ ID: A 2 ____ 8. Which statement about the structure of neurons is true ? a. Dendrites carry impulses away from the cell body. b. Axons may form branches known as collaterals. c. Nerve impulses travel down the axon toward the cell body. d. Dendrites are often myelinated for faster conduction. e. Synapses occur between the cell body and its axon. ____ 9. Which of the following statements concerning glial cells is true? a. Astrocytes are phagocytic cells that remove debris in the central nervous system. b. Schwann cells form sheaths around neurons within the central nervous system. c. Oligodendrocytes regulate the concentration of neurotransmitters in neurons. d. Microglia are involved in the neurological disease multiple sclerosis. e. None of these. ____ 10. The myelin sheath: a. is a protein covering around dendrites. b.
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Chap 40 Neural Signaling - Name Class Date ID A Chap 40...

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