Exam 1: Functional Organization of the Human Body and Control of the Internal Environment

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Exchange of substances between the cardiovascular system and the interstitial fluid occurs mainly in which of the following?

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C

When a person is at rest, how much time is required for the blood in the circulation to traverse the entire circulatory circuit?

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B

Which of the following is an example of negative feedback?

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D

Which of the following is an example of positive feedback in the body?

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Which of the following is an example of a "feed forward" control system?

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______ feedback is often referred to as a "vicious cycle" because it leads to _______ instability and sometimes death.

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Which of the following substances has the highest extracellular fluid to intracellular fluid concentration ratio for most mammalian cells?

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Which of the following statements about homeostasis is incorrect?

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