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1. What is homeostasis and why is it important for human
physiology? (Select one)
a) Homeostasis is the ability of the body to maintain a
constant internal environment despite external changes. It
is important because it allows the body to function
optimally and prevent diseases.
b) Homeostasis is the ability of the body to adapt to
external changes and maintain a dynamic equilibrium. It is
important because it allows the body to cope with stress
and challenges.
c) Homeostasis is the ability of the body to regulate its
temperature, pH, blood pressure, and other variables. It is
important because it allows the body to avoid extremes and
maintain balance.
d) Homeostasis is the ability of the body to respond to
stimuli and produce appropriate actions. It is important
because it allows the body to communicate and coordinate
its functions.
Answer: A. Homeostasis is the ability of the body to
maintain a constant internal environment despite external
changes. It is important because it allows the body to
function optimally and prevent diseases. Rationale:
Homeostasis is defined as the maintenance of a relatively
stable internal environment in an organism. It is essential
for survival and health, as it ensures that the cells and
tissues can perform their functions properly.
2. Which of the following is an example of a negative
feedback loop in human physiology? (Select one)
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