Ch. 1 The Human Body: An Orientation
Chapter 1, Problem 20
Use as many directional terms as you can to describe the relationship between the elbow's olecranal region and your palm.
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Related Practice
Textbook Question
Which of the following relationships is incorrect?
a. visceral peritoneum/outer surface of small intestine
b. parietal pericardium/outer surface of heart
c. parietal pleura/wall of thoracic cavity
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Textbook Question
Compare and contrast the operation of negative and positive feedback mechanisms in maintaining homeostasis. Provide two examples of variables controlled by negative feedback mechanisms and one example of a process regulated by a positive feedback mechanism.
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Textbook Question
Why is an understanding of the anatomical position important?
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Textbook Question
At the clinic, Harry was told that blood would be drawn from his antecubital region. What body part was Harry asked to hold out? Later, the nurse came in and gave Harry a shot of penicillin in the area just distal to his acromial region. Did Harry take off his shirt or drop his pants to receive the injection? Before Harry left, the nurse noticed that Harry had a nasty bruise on his gluteal region. What part of his body was black and blue?
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Textbook Question
Calcium levels in Mr. Gallariani's blood are dropping to dangerously low levels. The hormone PTH is released and soon blood calcium levels begin to rise. Shortly after, PTH release slows. Is this an example of a positive or negative feedback mechanism? What is the initial stimulus? What is the result?
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Textbook Question
Aiden has been suffering agonizing pain with each breath and has been informed by the physician that he has pleurisy.
a. Specifically, what membranes are involved in this condition?
b. What is their usual role in the body?
c. Explain why Aiden's condition is so painful.
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