Exam 13: Homeostasis: Active Regulation of the Internal Environment

People suffering from anorexia nervosa

Some animals such as certain beetles and fish can withstand body temperatures below 0°C because of

The main function of brown fat is to

Research using fMRI shows that drinking glucose after fasting induces activity in the

Which of the following would be a likely result of orexin injections into the lateral hypothalamus of rats?

Describe two behaviors animals use to maintain their internal environment, including the value of the behavior.

Explain the concept of negative feedback. Describe how ectotherms and endotherms regulate temperature using negative feedback.

Describe the redundant mechanisms used by humans to thermoregulate, including the neuroanatomical and physiological components involved.

Long-term energy storage is accomplished by storage of fat in _______ tissue.

The range of set points for body temperature for most mammals is

Which animal does not regulate its body weight?

Although rat pups regulate body temperature poorly, they do produce some heat from _______ located between the shoulder blades.

Because homeostasis is vital for survival, _______ mechanisms have evolved to maintain a stable internal environment.

Identify the three phases of insulin release in feeding behavior. For each one, describe the physiological mechanisms responsible for the release.

Summarize three eating disorders and evidence and/or hypotheses suggestive of their causes.

The body tissues of animals generate heat from food as a consequence of

Liposuction would not be expected to reduce hunger because of the subsequent

Angiotensinogen in the blood is converted to angiotensin I by

Injecting PYY_3-36 into rats causes them to

Write a coherent and informative paragraph incorporating each of the following terms or concepts: semipermeable membrane; sodium; water; concentration gradient; osmotic pressure