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In many states, death is defined as "irreversible cessation of total brain function." How is death defined in your state? How is this definition related to the characteristics of life?

In health, body parts interact to maintain homeostasis. Illness may threaten homeostasis, requiring treatments. What treatments might be used to help control a patient's (a) body temperature, (b) blood oxygen concentration, and (c) water content?

Suppose two individuals have benign (noncancerous) tumors that produce symptoms because they occupy space and crowd adjacent organs. If one of these persons has a tumor in her ventral cavity and the other has a tumor in his dorsal cavity, which patient would be likely to develop symptoms first? Why?

4. If a patient complained of a stomachache and pointed to the umbilical region as the site of the discomfort, which organs located in this region might be the source of the pain?

5. How could the basic requirements of a human be provided for a patient who is unconscious?

6. What is the advantage of using ultrasonography rather than X rays to visualize a fetus in the uterus, assuming that the same information could be obtained by either method?

Review Exercises

Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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