Human Anatomy
9th Edition
ISBN: 9780135168059
Author: Marieb, Elaine Nicpon, Brady, Patricia, Mallatt, Jon
Publisher: Pearson Education, Inc.,
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Textbook Question
Chapter 12, Problem 15CYU
If you touch a hot stove, you reflexively withdraw your hand. The sensation of pain comes after your hand has moved. Why does it take longer to feel pain than it does to move your hand?
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Chapter 12 Solutions
Human Anatomy
Ch. 12 - In which direction are afferent signals carried?...Ch. 12 - What subdivision of the nervous system regulates...Ch. 12 - What type of sensation is (a) pain from a pulled...Ch. 12 - Which type of neuron process receives stimuli?Ch. 12 - Describe how the electrical impulse from one...Ch. 12 - What is the structural type of most sensory...Ch. 12 - Which structural type of neuron is most abundant?...Ch. 12 - Which neuroglia make myelin in the CNS? In the...Ch. 12 - Which neuroglia are common in regions where...Ch. 12 - Do Schwann cells cover nonmyelinated axons in the...
Ch. 12 - Name the connective tissue wrapping that encloses...Ch. 12 - Where do synaspes occur in the CNS, in white...Ch. 12 - Why is white matter white?Ch. 12 - If there is no interneuron in a reflex arc, as in...Ch. 12 - If you touch a hot stove, you reflexively...Ch. 12 - What type of neuronal circuit contains multiple...Ch. 12 - Both peripheral nerves and the white matter of the...Ch. 12 - From your understanding of the functions of myelin...Ch. 12 - What type of neurons form from neuroblasts in the...Ch. 12 - How does the development of sensory neurons...Ch. 12 - Prob. 1RQCh. 12 - Match the names of the cells in column B with the...Ch. 12 - Prob. 3RQCh. 12 - Prob. 4RQCh. 12 - An example of an effector is (a) the eye, (b) a...Ch. 12 - Prob. 6RQCh. 12 - A ganglion is a collection of (a) neuron cell...Ch. 12 - A synapse between a terminal bouton and a neuron...Ch. 12 - Myelin is most like which of the following cell...Ch. 12 - Prob. 10RQCh. 12 - Afferent neurons of the PNS synapse in the CNS...Ch. 12 - Prob. 12RQCh. 12 - Prob. 13RQCh. 12 - Place the connective tissue coverings surrounding...Ch. 12 - Define proprioception.Ch. 12 - Prob. 16RQCh. 12 - Prob. 17RQCh. 12 - Distinguish gray matter from white matter of the...Ch. 12 - What is distinctive about the appearance of a cell...Ch. 12 - Describe the differences between neurons and...Ch. 12 - Distinguish a nerve from a nerve fiber and a...Ch. 12 - Prob. 22RQCh. 12 - Draw a reflex arc in place in the nervous system...Ch. 12 - Prob. 24RQCh. 12 - Why are the cell bodies of sensory neurons located...Ch. 12 - Prob. 26RQCh. 12 - Two anatomists were arguing about a sensory...Ch. 12 - An MRI scan and other diagnostic tests indicated...Ch. 12 - Prob. 3CRCAQCh. 12 - Rochelle developed multiple sclerosis when she was...Ch. 12 - Reflexes can be somatic (as in the knee-jerk...Ch. 12 - Prob. 6CRCAQ
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- In the following diagram, "First Pain" represents activity of "Second Pain" represents activity of , fibres, whereas fibres. Second pain First pain Pain intensity Time A-delta & A-alpha A-delta & A-beta; C A-alpha; A-beta A-beta & A-alpha; C O C; A-delta & A-betaarrow_forwardWhat sensation happens when the elbow is extended and at the same time the wrist and fingers are postion passively in full extension?arrow_forwardWhat explains the sensation that you felt when the wrist and fingers were positioned in extension? Provide physiological explanationarrow_forward
- Your friend’s cerebral blood vessel burst on account of high blood pressure and a high platelet count. After a few weeks of rehabilitation he can neither feel his fingers nor can he walk easily. Will this lack of sensation and motor abilities ever go awayarrow_forwardStimuli which evoke true visceral pain include all the following, except :-a- sharp cuttingb- stretchingc- spasmd- chemical irritationarrow_forwardWhich 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_forward
- After surgery to remove a finger a patient reports they still feel pain in the region of the removed finger. What is this called? Why does this happen? Are there any known treatments for this condition?arrow_forwardUse the model of the brain, spinal cord and spinal nerves to follow the ascending pathway of touch from the right arm up to the brain. Use key words and refer to structures listed. Also, label on the diagrams below to show the flow of information for Mr. Dexter feeling his arm. Start from the right arm and finish at the brain.arrow_forwardAlmost all subjects will show a declining force (pseudo-fatigue), while their eyes are shut, that isvery similar to fatigue. This is, however, not true fatigue, because the full 50% force can be exerted easily, as can be seen when the subject's eyes are opened again. What explanations can you think of for pseudo-fatigue?arrow_forward
- Double pain sensation that is occasionally felt following painful stimulation of the skin is due to :-a- repetition of the painful stimulusb- presence of dual pain pathwaysc- perception of pain at two different higher centersd- application of two painful stimuli simultaneously at two different sitesarrow_forwardICY COLD ROOM TOW WARM BATH TEMPERATURE WATER WATER KATER In the picture, a person has a hand in warm water and the other hand in cold water. What is perceived if the person puts both hands in a different lukewarm bath? O Both hands feel the same. The hand that was in the cold water will feel cold and the hand that was in the hot water will feel hat O The hand that was in the hot water will feel cold and the hand that was in the cold water wll feel hot O Both hands will feel hot O Both hands will feel coldarrow_forwardName any four encapsulated nerve endings and identifytheir stimulus modalitiesarrow_forward
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