Question In Image, Thank you! Consider what happens when you touch something very hot. The steps involved inthis process are outlined below.The heat on your fingertriggers a/an________inyour skin.1. motor neuronsTheactivate2. spinal cordsomething like the muscle,for example.3. stimulusreceive/s theinformation and4. sensory receptorimmediately send/s a signalto the efferent neurons.5. effector organThein this case6. interneuronsthe muscle, causes animmediate response, suchas pulling your hand away.7. afferent neurons8. brainThe afferent neuron sendsthe signal to the

The heat on your finger triggers a/an stimulus in your skin. The interneuron activate something like…

> The heat on your finger in triggers a/an_____ your skin. The activate something like the muscle, for example. receive/s the information and immediately send/s a signal to the efferent neurons. The, in this case the muscle, causes an immediate response, such as pulling your hand away. The afferent neuron sends the signal to the 1. motor neurons 2. spinal cord 3. stimulus 4. sensory receptor 5. effector organ 6. interneurons 7. afferent neurons 8. brain

> The heat on your finger in triggers a/an_____ your skin. The activate something like the muscle, for example. receive/s the information and immediately send/s a signal to the efferent neurons. The, in this case the muscle, causes an immediate response, such as pulling your hand away. The afferent neuron sends the signal to the 1. motor neurons 2. spinal cord 3. stimulus 4. sensory receptor 5. effector organ 6. interneurons 7. afferent neurons 8. brain

Anatomy & Physiology

1st Edition

ISBN:9781938168130

Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Chapter16: The Neurological Exam

Section: Chapter Questions

Problem 5ILQ: Watch this short video (http://openstaxcollege.org/l/facialnerve) to see an examination of the...

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Please ASAP. Thankyou. Which one of these responses are regarded to be a sensory response? a. Illness response b. Response to odors c. Muscle fatigue d. Response to fast rotation of the head
The brain is able to interpret nerve impulses coming fromsensory receptors as vision, hearing, taste, and so on mainlybecausea. the impulses are of different strength (quantity).b. the impulses are of different types (quality).c. impulses originating in different sensory organs travel todifferent areas of the brain.d. None of these are correct.
Watch this short video (http://openstaxcollege.org/l/facialnerve) to see an examination of the facial nerve using some simple tests. The facial nerve controls the muscles of facial expression. Severe deficits will be obvious in watching someone use those muscles for normal control. One side of the face might not move like the other side. But directed tests, especially for contraction against resistance, require a formal testing of the muscles. The muscles of the upper and lower face need to be tested. The strength test in this video involves the patient squeezing her eyes shut and the examiner trying to pry her eyes open. Why does the examiner ask her to try a second time?
Watch this video (http://openstaxcollege.org/l/2point) to see a quick demonstration of two-point discrimination. Touching a specialized caliper to the surface of the skin will measure the distance between two points that are perceived as distinct stimuli versus a single stimulus. The patient keeps their eyes closed while the examiner switches between using both points of the caliper or just one. The patient then must indicate whether one or two stimuli are in contact with the skin. Why is the distance between the caliper points closer on the fingertips as opposed to the palm of the hand? And what do you think the distance would be on the arm, or the shoulder?
Watch this video (http://openstaxcollege.org/l/ear1) to learn more about how the structures of the ear convert sound waves into a neural signal by moving the hairs, or stereocilia, of the cochlear duct. Specific locations along the length of the duct encode specific frequencies, or pitches. The brain interprets the meaning of the sounds we hear as music, speech, noise, etc. Which ear structures are responsible for the amplification and transfer of sound from the external ear to the inner ear?
Watch this video (http://openstaxcollege.org/l/DanielleReed) to learn about Dr. Danielle Reed of the Monell Chemical Senses Center in Philadelphia, PA, who became interested in science at an early age because of her sensory experiences. She recognized that her sense of taste was unique compared with other people she knew. Now, she studies the genetic differences between people and their sensitivities to taste stimuli. In the video, there is a brief image of a person sticking out their tongue, which has been covered with a colored dye. This is how Dr. Reed is able to visualize and count papillae on the surface of the tongue. People fall into two large groups known as tasters and non-tasters on the basis of the density of papillae on their tongue, which also indicates the number of taste buds. Non-tasters can taste food, but they are not as sensitive to certain tastes, such as bitterness. Dr. Reed discovered that she is a non-taster, which explains why she perceived bitterness differently than other people she knew. Are you very sensitive to tastes? Can you see any similarities among the members of your family?
Suppose 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 not
Pain receptors :-a- become more sensitive with prolonged stimulationb- are stimulated by prostaglandinsc- are more numerous in viscera than other tissuesd- include different morphological types
Which of these types of sensory receptors are involved withproprioception?a. free nerve endings d. Pacinian corpusclesb. Golgi tendon organs e. All of these are correct.c. muscle spindles
Watch this short video (http://openstaxcollege.org/l/stationtest) to see a test for station. Station refers to theposition a person adopts when they are standing still. Theexaminer would look for issues with balance, whichcoordinates proprioceptive, vestibular, and visualinformation in the cerebellum. To test the ability of asubject to maintain balance, asking them to stand or hopon one foot can be more demanding. The examiner mayalso push the subject to see if they can maintain balance.An abnormal finding in the test of station is if the feetare placed far apart. Why would a wide stance suggestproblems with cerebellar function?
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 sites
Watch this video (http://openstaxcollege.org/l/occipital) to learn more about a transverse section throughthe brain that depicts the visual pathway from the eye tothe occipital cortex. The first half of the pathway is theprojection from the RGCs through the optic nerve to thelateral geniculate nucleus in the thalamus on either side.This first fiber in the pathway synapses on a thalamic cellthat then projects to the visual cortex in the occipital lobewhere “seeing,” or visual perception, takes place. This video gives an abbreviated overview of the visual systemby concentrating on the pathway from the eyes to theoccipital lobe. The video makes the statement (at 0:45) that“specialized cells in the retina called ganglion cells convertthe light rays into electrical signals.” What aspect of retinalprocessing is simplified by that statement? Explain youranswer.