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Out of the 7 written, which reflexes are easiest and which were hardest to demonstrate? Why do you think that is?

Out of the 7 written, which reflexes are easiest and which were hardest to demonstrate? Why do you think that is?

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Out of the 7 written, which reflexes are easiest and which were hardest to demonstrate? Why do you think that is?
LABORATORY ACTIVITY - EXPLORING REFLEXES INTRODUCTION: The reflexes of the body are useful for checking out many portions of the nervous system. If the neurons that make up a reflex arc are not functioning properly, the normal reflex may be absent or at least reduced. In addition if the brain neurons that inhibit the reflex are not functioning properly, the reflex may be stronger than normal. A normal response may vary quite a lot from one person to the next. So the important question, usually, is whether both halves of the patient behave alike. A strong knee jerk may not be significant if both legs show a strong reflex. But if one is weak, something could be wrong. In this activity you will examine seven different reflexes. The quadriceps, achilles tendon, biceps, triceps, brachioradialis, pupil and blink. There are many more that may be used to test other parts of the body, but these are among the most commonly tested. It would be a good idea to compare reflexes on both sides of your subject's body to see whether they are equally vigorous. Don't be alarmed if the responses differ a little since reflex action is very sensitive to (1) getting the subject to relax completely, (2) locating the exact point to stimulate, and (3) applying the right amount of force. In all tests, you and the other students in your group should take turns as tester and subject. The activity is designed to be performed in any order. In other words, it is not necessary to do Part I before Part II and so on.
Transcribed Image Text:LABORATORY ACTIVITY - EXPLORING REFLEXES INTRODUCTION: The reflexes of the body are useful for checking out many portions of the nervous system. If the neurons that make up a reflex arc are not functioning properly, the normal reflex may be absent or at least reduced. In addition if the brain neurons that inhibit the reflex are not functioning properly, the reflex may be stronger than normal. A normal response may vary quite a lot from one person to the next. So the important question, usually, is whether both halves of the patient behave alike. A strong knee jerk may not be significant if both legs show a strong reflex. But if one is weak, something could be wrong. In this activity you will examine seven different reflexes. The quadriceps, achilles tendon, biceps, triceps, brachioradialis, pupil and blink. There are many more that may be used to test other parts of the body, but these are among the most commonly tested. It would be a good idea to compare reflexes on both sides of your subject's body to see whether they are equally vigorous. Don't be alarmed if the responses differ a little since reflex action is very sensitive to (1) getting the subject to relax completely, (2) locating the exact point to stimulate, and (3) applying the right amount of force. In all tests, you and the other students in your group should take turns as tester and subject. The activity is designed to be performed in any order. In other words, it is not necessary to do Part I before Part II and so on.
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