Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Textbook Question
Chapter 12, Problem 1TY
What do the receptors in the skin for light touch and the receptors in the nose for smell have in common?
a. They both respond to pressure.
b. They both respond to chemicals.
c. They send action potentials to the same area of the brain.
d. They both adapt very quickly.
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If a person is born blind, what happens to the occipital (“visual”) cortex?A. Its cells shrink and gradually die.B. Its cells remain intact but forever inactive.C. Its cells become responsive to touch or hearing.D. Its cells become spontaneously active, producing hallucinations.
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Chapter 12 Solutions
Human Biology: Concepts and Current Issues (8th Edition)
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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- Which type of sensory receptor enables you to feel the position ofyour legs, even if a table hides your legs from sight?a. Thermoreceptor c. Chemoreceptorb. Photoreceptor d. Proprioceptorarrow_forwardWhat is meant by blindsight? a. Some people with damage to the primary visual cortex accurately guess the location or other properties of objects they say they don’t see. b. Blind people learn to find their way around by making sounds and listening for echoes. c. Blind people on average develop enhancements of hearing, touch, and other senses. d. After damage to the eyes, other body parts become sensitive to light. e. Incorrect hindsight.arrow_forwardIf a kitten has one eye shut for its first few weeks of life, its visual cortex becomes insensitive to that eye. Why? a. The receptors die. b. Any axon that is not used for that long becomes unable to respond. c. Activity from the active eye displaces synapses from the inactive eye.arrow_forward
- What function do the malleus, incus, and stapes bones in the inner ear play in processing sounds? A. The bones transform pressure waves into nerve impulses that the brain recognizes as sound. B. The bones equalize pressure between the middle ear and the atmosphere. C. The bones transmit vibrations to the oval window setting the fluid in the cochlea in motion. D. The bones depolarize or hyperpolarize hair cells depending on the direction they vibrate.arrow_forwardSuppose you suffer a cut through the spinal cord on the left side only. For the part of the body below that cut, you will lose pain sensation on the right side of the body and touch sensation on the left side. Why?A. The left side of the body is more sensitive to pain than the right side is.B. The right side of the body is more sensitive to pain than the left side is.C. Pain axons cross the spinal cord at once, but touch fibers do not.D. Pain axons regrow after injury, but touch axons do notarrow_forwardIf a disease damages someone’s myelinated somatosensory axons without damaging the unmyelinated axons, what kind of sensation would the person lose? a. Temperature b. Pain c. Itch d. Toucharrow_forward
- The part of the nervous system that detects stimuli from receptors in the skin is the? A. Somatic motor system B. Somatic sensory system C. Autonomic motor system D. Visceral sensory systemarrow_forwardWhat does the anterior cingulate cortex contribute to both the sense of touch and the sense of pain?A. It responds to an increase or decrease of the sensation, not the absolute level.B. It responds to the emotional aspect of the sensation.C. It stores a memory of the sensation.D. It compares touch or pain to visual and auditory sensations.arrow_forwardIn humans, what happens to visual information from the left visual field?A. It reaches the right half of each retina, which sends messages to the left hemisphere.B. It reaches the right half of each retina, which sends messages to the right hemisphere.C. It reaches the left half of each retina, which sends messages to the left hemisphere.D. It reaches the left half of each retina, which sends messages to the right hemisphere.arrow_forward
- As we progress from bipolar cells to ganglion cells to later cells in the visual system, what happens to the size of receptive fields? a. They become larger. b. They become smaller. c. They stay the same size. d. They vary in size unpredictably.arrow_forwardWhen you begin to move up or down in an elevator, you can still sense that you are moving even though there are no visual cues. Which sensory organ would be most responsible for detecting this? a. Merkel cells b. Pacinian corpuscles c. Otolith organs d. Semicircular canalsarrow_forwardJude is suffering from a severe cold. His nose has been stopped up for several days. What effect, if any, might his cold have on his sense of taste? a. His sense of taste will be increased since he isn’t receiving additional sensory input from his smell. b. His sense of taste will be dulled since taste and smell often work together. c. His sense of taste will get better but not until 48 hours after he loses his sense of smell. d. His sense of taste will be no better or worse since the senses of taste and smell are completely separate.arrow_forward
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