Human Biology: Concepts and Current Issues
7th Edition
ISBN: 9780321821652
Author: Michael D. Johnson
Publisher: Benjamin Cummings
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Textbook Question
Chapter 12, Problem 1AWK
With the eyes closed, would an astronaut in outer space be able to detect lateral movement of the head (would the semicircular canals be functioning normally)? Would the astronaut be able to detect static head position (would the utricle and saccule be functioning normally)? Explain.
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Chapter 12 Solutions
Human Biology: Concepts and Current Issues
Ch. 12 - Prob. 1QCCh. 12 -
2. Should the use of all hand-held devices,...Ch. 12 - Do you approve of the law in five states that a...Ch. 12 -
1. List the five classifications of receptors in...Ch. 12 - Prob. 2CRCh. 12 -
3. Describe what information the somatic...Ch. 12 - Name the five special senses.Ch. 12 - Compare and contrast fast pain, slow pain, and...Ch. 12 - Prob. 6CRCh. 12 - Prob. 7CR
Ch. 12 - Prob. 8CRCh. 12 - Prob. 9CRCh. 12 - Prob. 10CRCh. 12 - What do the receptors in the skin for light touch...Ch. 12 - Prob. 2TYCh. 12 - Prob. 3TYCh. 12 - Receptor adaptation results when: a. sensory...Ch. 12 - Prob. 5TYCh. 12 - Different pitched sounds will result in...Ch. 12 - Prob. 7TYCh. 12 - Prob. 8TYCh. 12 - Prob. 9TYCh. 12 - Prob. 10TYCh. 12 - Prob. 11TYCh. 12 - Prob. 12TYCh. 12 - Prob. 13TYCh. 12 - Prob. 14TYCh. 12 - Which of the following can be corrected with...Ch. 12 - With the eyes closed, would an astronaut in outer...Ch. 12 - Why do you suppose that you are not normally aware...Ch. 12 - Prob. 3AWKCh. 12 - Prob. 4AWKCh. 12 - Prob. 5AWKCh. 12 - Prob. 6AWKCh. 12 - Prob. 7AWK
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- Larry goes to the doctor complaining that he cant see the right side of the visual field with either eye. Where in the visual signal-processing pathway is Larrys problem occurring?arrow_forwardfor the rotational movement, do you mean that when I tilt my head to the right, the hair cells in my right cupula will be depolarized, and the hair cells on my left cupula will be hyperpolarized? I understand the concept that when stereocilia beats toward the kinocilia, the tiplings will open and cause K and Ca to enter the cell. But I'm so confused on how to know what movements exactly make the stereocilia beat toward the kinocilia and not against it?arrow_forwardThe inner ear is responsible for both hearing and balance. One of the diseases affecting the inner ear is Meniere's disease. Affected individuals often experience vertigo, among other symptoms. Vertigo is a sensation that the surrounding is spinning or swaying in the absence of any body movement. Which of the following rows correctly identifies the affected structure and process in individuals experiencing vertigo? Select one: a. Structure Process Semicircular canals Rotational equilibrium b. Structure Process Semicircular canals Gravitational equilibrium c. Structure Process Organ of Corti Gravitational equilibrium d. Structure Process Organ of Corti Rotational equilibriumarrow_forward
- Assuming that someone is looking forwards while sitting in an office chair, which structure is most activated when spun in a circle? Crista ampullaris of the posterior semicircular canal Crista ampullaris of the anterior semicircular canal Crista ampullaris of the lateral semicircular canal Saccular maculaearrow_forwardYour sister sits beside you as you watch your friend surf, but she cannot see him because she is blind. Whatanatomical structures may not be functioning correctly and thus causing her blindness?arrow_forwardRegarding the anterolateral pathway, (1) what type of sensory receptor is involved, and what type of sensory information is being provided to the brain, (2) what is the location of each of the sensory neurons within the chain of three neurons that compose this pathway, and (3) what specific region of the brain receives the sensory information?arrow_forward
- Assuming that someone is looking forwards while sitting in an office chair, which structure is most activated when spun in a circle? 1. Crista ampullaris of the posterior semicircular canal 2. Crista ampullaris of the lateral semicircular canal 3. Crista ampullaris of the anterior semicircular canal 4. Saccular maculaearrow_forwardWhat three processes occur to focus an object on theretina that is closer than 20 feet? Explain what occurs ineach processarrow_forwardThe utricle and saccule are located in the inner ear. They contain otoliths on top of gel-like fluid and are involved in detecting gravitational equilibrium. Which of the following scenarios does NOT involve the utricle and saccule? Select one: a. Riding in an elevator b. Tilting your head forward c. Abruptly stopping the car at a red light in an intersection d. Spinning clockwise, then spinning counterclockwise to try to get rid of the queasy feelingarrow_forward
- Give Effect of head position on otolith organ of the utricle?arrow_forwardInability to maintain posture while standing still would indicate a problem with which equilibrium receptor?arrow_forwardBryan has normal vision and is wearing a special headset that shows a picture of a sailboat to his left eye and a picture of a dog to his right eye. What is Bryan's perception of these images most likely to be? He will only perceive whichever image is presented to his dominant eye. He will alternate between perceiving the sailboat and perceiving the dog. He will perceive the dog and the sailboat overlaid on top of each other. He will perceive parts of the dog and parts of the sailboat combined together in a fashion similar to a puzzle.arrow_forward
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