Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 43, Problem 6TYU
Summary Introduction
Introduction: Eye can detect and convert light into
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MAKE CONNECTIONS What effect would you expect if you depolarizedthe neurons in the VTA (see Concept 48.3)? Explain.
- Which type of cell transmits signals to the central nervous system?1- efferent neurons2- interneurons3- motor neurons4- afferent neurons
- Sensory transduction involves1- converting a stimulus into a membrane potential2- sending brain instructions to motor neurons3- the central but not the peripheral nervous system4- converting a stimulus into neurotransmitter
- When light hits the rods and cones in our eyes1- it alters the shape of a protein called retinal2- it causes Ca+ channels to open3- it causes K+ channels to open4- it causes them to depolarize
- In mammals, both hearing and equilibrium involve 1- chemoreceptors2- retinal3- mechanoreceptors4- electromagnetic receptors
1. Make a model or draw 3 multipolar neurons. Imagine you had something crawling on your arm.
The first is a sensory neuron, getting its information from the skin and sensing the movement.
The second is an interneuron. It relays information from the first (sensory neuron) to the CNS.
The third is a motor neuron. It begins in the CNS but leads all the way to the muscle, so that you can move the fingers and scratch the area.
On your images/model the "dendrites" should be blue, "axon" should be green and "soma" should be yellow. As you connect them to each other, take notice in which areas are the receiving end, and which are the transmissive ends.
Chapter 43 Solutions
Biology (MindTap Course List)
Ch. 43.1 - How Sensory Systems Work LEARNING OBJECTIVES 1...Ch. 43.1 - Prob. 2LOCh. 43.1 - Prob. 1CCh. 43.1 - PREDICT Imagine that you are hiking along a bay...Ch. 43.1 - Prob. 3CCh. 43.1 - Identify five kinds of sensory receptors based on...Ch. 43.2 - Prob. 3LOCh. 43.2 - What are the functions of thermoreceptors in...Ch. 43.3 - Prob. 4LOCh. 43.3 - Prob. 1C
Ch. 43.3 - Prob. 2CCh. 43.4 - Describe the functions of nociceptors and identify...Ch. 43.4 - Prob. 1CCh. 43.4 - Prob. 2CCh. 43.5 - Prob. 6LOCh. 43.5 - Compare the structure and function of the saccule...Ch. 43.5 - Prob. 8LOCh. 43.5 - Prob. 1CCh. 43.5 - Prob. 2CCh. 43.5 - List the sequence of events involved in hearing.Ch. 43.6 - Prob. 9LOCh. 43.6 - Prob. 1CCh. 43.7 - Prob. 10LOCh. 43.7 - Prob. 11LOCh. 43.7 - Prob. 12LOCh. 43.7 - Prob. 1CCh. 43.7 - What happens when light strikes rhodopsin?...Ch. 43.7 - What is the sequence of neural signaling in the...Ch. 43.7 - What is meant by the statement Vision happens...Ch. 43 - Test your Understanding Know and Comprehend 1. A...Ch. 43 - Prob. 2TYUCh. 43 - Prob. 3TYUCh. 43 - Prob. 4TYUCh. 43 - Prob. 5TYUCh. 43 - Prob. 6TYUCh. 43 - Prob. 7TYUCh. 43 - Prob. 8TYUCh. 43 - Prob. 9TYUCh. 43 - Prob. 10TYUCh. 43 - Prob. 11TYUCh. 43 - SCIENCE, TECHNOLOGY, AND SOCIETY Cochlear implants...
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- Test Your Understanding 8. VISUALIZE Label the diagram of the human brain.arrow_forwardTest your Understanding Know and Comprehend 1. A sensory receptor absorbs energy from some stimulus. The next step is (a) release of neurotransmitter (b) transmission of an action potential (c) energy transduction (d) transmission of a receptor potential (e) sensory adaptationarrow_forwardTest Your Understanding Know and Comprehend 1. Summing incoming neural signals is part of (a) reception (b) transmission (c) integration (d) action by effectors (e) afferent neuron transmissionarrow_forward
- Test Your Understanding Know and Comprehend 3. Which of the following occurs first when voltage reaches the threshold level in a neuron plasma membrane? (a) voltageactivated Na+ channels open (b) K+ channels open (c) the membrane hyperpolarizes (d) neurotransmitter is released (e) K+ channels closearrow_forwardTest Your Understanding 12 VISUALIZE Label the diagram.arrow_forwardVisit this site (http://openstaxcollege.org/l/nervetissue3) to learn about how nervous tissue is composed of neurons and glial cells. The neurons are dynamic cells with the ability to make a vast number of connections and to respond incredibly quickly to stimuli and to initiate movements based on those stimuli. They are the focus of intense research as failures in physiology can lead to devastating illnesses. Why are neurons only found in animals? Based on what this article says about neuron function, why wouldnt they be helpful for plants or microorganisms?arrow_forward
- Match each item with its description. ___ gray matter a. start of brain, spinal cord ___ neurotransmitter b. connects the hemispheres ___ pons c. protects brain and spinal ___ corpus callosum cord from some toxins ___ cerebral cortex d. type of signaling molecule ___ neural tube e. brain's myelin makers ___ oligodendrocytes f. brain stem structure ___ blood-brain g. controls language, reasoning barrier h. cell bodies and dendritesarrow_forwardWhich of the following situations is associated with movement and position in the human body? a. Statoliths in statocysts bend sensory hairs and trigger actionpotentials. b. If sensory hairs in the utricle are oriented horizontally andthose in the saccule are oriented vertically, the person is lyingdown. c. When the head rotates, the endolymph in the semicircularcanal pulls the cupula with it to activate sensory hair cells. d. Displacement of the utricle and saccule generates actionpotentials. e. If the body is spinning at a constant rate and direction, thecupula is displaced and action potentials are initiated.arrow_forwardIn the ___, neurons are arranged like maps that correspond to different parts of the body surface. a. retina b. somatosensory cortex c. basilar membrane d. occipital lobearrow_forward
- 3. Which sensory processing principle listed below best explains why we detect heat sensation when eating foods that contain capsaicin, the molecule found in chili peppers. A. Efferent modulation . B. Labeled lines. C. Parallel processing. D. Neural plasticity. E. Topographic mapsarrow_forwardMakE ConnECtIonS name one or more membraneactivities that occur both in fertilization of an egg andin neurotransmission across a synapse (see Figure 47.3).arrow_forward
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