EBK BIOLOGY
4th Edition
ISBN: 8220102797376
Author: BROOKER
Publisher: YUZU
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Chapter 43.2, Problem 1CC
Summary Introduction
To explain: The different types of touch sensation.
Introduction: There are several types of receptors present in our body which detect the different type of sensations. These receptors send signals to the central nervous system by which the body show response to the sensation.
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Chapter 43 Solutions
EBK BIOLOGY
Ch. 43.1 - Prob. 1BCCh. 43.2 - Prob. 1CCCh. 43.2 - Prob. 1BCCh. 43.2 - Prob. 2CCCh. 43.2 - Prob. 2BCCh. 43.2 - Prob. 3CCCh. 43.4 - Prob. 1CCCh. 43.5 - Why is red-green color blindness rare in females?Ch. 43.5 - Prob. 2CCCh. 43.6 - Prob. 1EQ
Ch. 43.6 - CoreSKILL Of the two hypotheses explaining how...Ch. 43.6 - Prob. 3EQCh. 43.6 - Prob. 1CCCh. 43 - The process in which incoming sensory stimulation...Ch. 43 - Prob. 2TYCh. 43 - ______blanksense pain; ______blank sense heat or...Ch. 43 - Prob. 4TYCh. 43 - In which process(es) are hair cells involved? a....Ch. 43 - Prob. 6TYCh. 43 - In the mammalian eye, light from near or far...Ch. 43 - Prob. 8TYCh. 43 - Prob. 9TYCh. 43 - The stimulation for olfaction involves odorant...Ch. 43 - Prob. 1CQCh. 43 - Prob. 2CQCh. 43 - Prob. 3CQCh. 43 - Discuss the several types of sensory stimuli that...Ch. 43 - Prob. 2COQ
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- What does your map of cutaneous sensations tell you about the distribution of sensory receptors in the skin?arrow_forwardCondtions that compress peripheral nerves differentially affect nerve fibres over time, causing loss of sensorimotor function. What is the correct order of loss (first to last)? pain & temperature, touch, vibration, and joint position sense joint position sense, pain & temperature, touch, and vibration pain & temperature, vibration, joint position sense and touch joint position sense, touch, vibration and pain & temperature touch, vibration, joint position sense, pain & temperaturearrow_forwardWhich areas of the body are the most sensitive to touch? Least? Relate the size of the two-point threshold on different areas of the body to touch receptor density and receptive field size.arrow_forward
- When a hair on your head is moved, the hair follicle touch receptors are stimulated. If a person put his or her hair in a ponytail, what would be the result if there was no adaptation to these touch receptors?arrow_forwardWhich of the following nerve fibers exhibits EFFERENT nerve function? Group of answer choices: Facial nerve receiving gustatory impulses from the tongue Trochlear nerve activating extraocular muscles Optic nerve carrying photo signals Trigeminal nerve sending pain, touch and temperature sensations from your face to your brainarrow_forwardWhich of the following correctly describes receptors in the skin? Select one: O a. All receptor types are spread uniformly throughout dermal tissue. Ob. Pacinian corpuscles, Ruffini endings, and Krause end bulbs detect pain. O c. One type of nerve cell detects both hot and cold. O d. Temperature receptors are free nerve endings in the dermis. Oe. Meissner corpuscles and Merkel disks detect fine touch.arrow_forward
- Which of the following is NOT true about the touch pathway for the hands? Travels up the dorsal column-medial lemniscal pathway All of the answers are true O Receptors are bare nerve endings Fibers are thicker and more myelinated than receptors for pain O Decussates in the medullaarrow_forwardAfter spinning in an office chair and then standing up quickly, you notice that the room is still spinning even though your head rotation has ceased. Which option best explains this phenomenon? Hair cells release a small amount of neurotransmitter at rest. The continued depolarization of hair cells within the utricle and saccule. Fluid continues to circulate through the semicircular canals. Two of the above.arrow_forwardEskimos wear a great deal of clothing and have limited exposure to uv light, but do not suffer from Vitamin D deficiency. Why? A person who has been playing in the snow notices that their fingertips are very pale. why? Where would you expect to find a high concentration of Merkel discs and other tactile corpuscles? Why? An old wives' tale says that if you keep hair trimmed at the ends, it will grow faster. Please discuss why this is not true. Explain why you can scrap your skin but not bleed.arrow_forward
- What is the best physiological explanation as to why a particular area has a low two-point threshold? A greater skin surface area always results in a lower two-point threshold because there is physically more room in which to house sensory receptors. With a low two-point threshold, there is a greater density of sensory receptors to allow for more precise location of the sensation by the somatosensory cortex. O A low threshold suggests a decreased sensation in that area, meaning a wide receptive field on that area of skin.arrow_forwardWhich of the special senses is based on the following events? Membrane vibrations cause fluid movements, which lead to bending of mechanoreceptors and firing of action potentials. a. taste b. smell c. hearing d. visionarrow_forwardFigure 36.5 Which of the following statements about mechanoreceptors is false? Pacini corpuscles are found in both glabrous and hairy skin. Merkel’s disks are abundant on the fingertips and lips. Ruffini endings are encapsulated mechanoreceptors. Meissner’s corpuscles extend into the lower dermis.arrow_forward
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