Chapter 9.1: Temperature Regulation

Question 1

What is meant by allotasis?

Answer 1

Processes that anticipate future needs

Question 2

Well over half of human body’s energy is devoted to which of the following?

Answer 2

Basal metabolism

Question 3

How do ectothermic animals regulate their body temperature, if at all?

Answer 3

They use physiological mechanisms such as shivering and sweating

Question 4

Which of the following is an ectothermic animal?

Answer 4

Penguin

Question 5

What is the primary advantage of maintaining a constant high body temperature?

Answer 5

It keeps the muscles ready for rapid, prolonged activity even in cold weather

Question 6

If we inserted a probe into your POA/AH and heated it, what would happen?

Answer 6

You would sweat

Question 7

When you have an infection, what causes the fever?

Answer 7

The immune system relievers prostaglandins and histamine to the hypothalamus

Question 8

Which of the following is most correct description of a fever?

Answer 8

Fever is one way in which the body fights against bacteria