CAMPBELL BIOLOGY IN FOCUS-MOD.MASTERING
3rd Edition
ISBN: 9780135191811
Author: Urry
Publisher: PEARSON
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Textbook Question
Chapter 38.4, Problem 3CC
WHAT IF? If you stimulated a sensory neuron of an animal electrically, how would that stimulation be perceived?
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SEQUENCING: Arrange the sequence of events that happen during an action of sensory and motor
systems of animals. Assign numbers, I being the first event until 6 being the last. Write your answers in
your notebook.
10. receptor potential
11. action potential in sensory neuron
12. production of action response
13. receptor transduces energy of stimulus into electrical energy
14. signal transmitted to CNS
15. stimulus (such as light energy)
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.
Can measures of sensory acuity be obtained through filaments and biothesiometer? Explan why or why not
Do you tink changing the frequency of the biothesiometer vibrations would affect your measured results? Why?
Which settings affect the frequency of stimulation, which affect amplitude
Chapter 38 Solutions
CAMPBELL BIOLOGY IN FOCUS-MOD.MASTERING
Ch. 38.1 - Which division of the autonomic nervous system...Ch. 38.1 - Prob. 2CCCh. 38.2 - When you wave your right hand, what part of your...Ch. 38.2 - People who are inebriated have difficulty touching...Ch. 38.2 - WHAT IF? Two groups of individuals have CNS...Ch. 38.3 - Prob. 1CCCh. 38.3 - Prob. 2CCCh. 38.3 - WHAT IF? If a woman with a severed corpus callosum...Ch. 38.4 - Which one of the five categories of sensory...Ch. 38.4 - Prob. 2CC
Ch. 38.4 - WHAT IF? If you stimulated a sensory neuron of an...Ch. 38.5 - Prob. 1CCCh. 38.5 - Prob. 2CCCh. 38.5 - Prob. 3CCCh. 38.5 - Prob. 4CCCh. 38.6 - Contrast the light-detecting organs of planarians...Ch. 38.6 - Prob. 2CCCh. 38.6 - MAKE CONNECTIONS Compare the function of retinal...Ch. 38 - Patients with damage to Wernickes area have...Ch. 38 - The cerebral cortex does not play a major role in...Ch. 38 - The middle ear converts A. air pressure waves to...Ch. 38 - Prob. 4TYUCh. 38 - Prob. 5TYUCh. 38 - Prob. 6TYUCh. 38 - Prob. 7TYUCh. 38 - SCIENTIFIC INQUIRY Consider an individual who had...Ch. 38 - Prob. 9TYUCh. 38 - FOCUS ON ORGANIZATION In a short essay (100-150...Ch. 38 - Prob. 11TYU
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Write a Worm neuronal function assay paragraph about a worm neuronal function and find an experiment that could test why the worm may have this worm neuronal function. Such as a worm spiraling. One robust assay of worm behavior is…. “Finish the sentence” and find an experiment that could determine why the worm behavior is this way.arrow_forward4. Frequency (a) (b) (c) (d) (e) selectivity of the inner hair cells is greatly enhanced by: force generated by the opening of the mechanotransduction cells. channel in inner hair force generated by the opening of the mechanotransduction channel in outer hair cells. myosin motors at the tips of the stereocilia. voltage-dependent changes in length of the outer hair cells. All of the abovearrow_forward1. Protein anions have a charge. However, they do not move across the membrane to produce changes in RMP. Why? 2. At the molecular level, what causes the absolute refractory period? 3. At the molecular level, what is different during the relative refractory period? 4. What would happen if Na+ channels opened and stayed open? 5. How is stimulus intensity coded in APs? 6. What effect does AP frequency have on NT release?arrow_forward
- Scientists are experimenting with new technologies that could help people with missing limbs. In one investigation, electrodes implanted in the nervous tissue of a monkey were connected to an artificial hand. The monkey's nervous system was able to direct the artificial hand to move. The below image shows the monkey raising a piece of zucchini to its mouth using the thought-controlled robotic are (A). a. Using a flowchart, illustrate the basic neural pathway from the sensory stimulus to the motor output. b. What are some other potential applications for this technology? c. Do the benefits to human life justify this form of animal research?arrow_forwardCan you help me determine which graph is best suited for each?arrow_forwardCheck Your Understanding 1. In what tissues or organs are Meissner's and Pacinian corpuscles located? What is the specific function of each? 2. Would you expect certain areas of the body to contain more sensory receptors? Why or why not? Did your results in Exercise 1 reinforce your expectations? 3. If the lips were tested for two-point discrimination, what results would you expect? Why?arrow_forward
- Please ASAP. Thankyouarrow_forwardConsider the circuit from Q5 (above). We want to add another inhibitory neuron to this circuit to increase the likelihood that neuron D will have an action potential. With which cell (A, B, C or D) should our new inhibitory neuron make a synapse to make it more likely that the post - synaptic neuron will have anaction potential?The diagram below shows a simple neural circuit with three pre - synaptic cells labelled 'A', 'B' and 'C', and a post - synaptic cell labelled 'D ' (see image below). Assume neurons A and B each have outputs of +2 and neuron C has output of -1.arrow_forwardYour cortex decodes incoming action potentials from sensory pathways. How does it tell the difference between hot and cold? Between cool and cold? Between ice on your finger and ice on your foot?arrow_forward
- We know that short term habituation is due to changes in the presynaptic sensory neuron. What possible changes could explain the results of Kandel’s experiment? Which possibility currently has the most experimental support?arrow_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_forwardExplain with examplesarrow_forward
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The Sensorimotor System and Human Reflexes; Author: Professor Dave Explains;https://www.youtube.com/watch?v=M0PEXquyhA4;License: Standard youtube license