Exam 1 - Homeostasis

Question 1

What is the goal of homeostasis?

Answer 1

maintenance of equilibrium around a specific value

Question 2

Why is the body considered to be in dynamic equilibrium?

Answer 2

the equilibrium point constantly fluctuates to adjust to changes encountered by the body

Question 3

What is homeodynamics?

Answer 3

a dynamic form of homeostasis involving the constantly changing interrelatedness of body components while an overall equilibrium is maintained

Question 4

How do organisms typically maintain homeostasis?

Answer 4

by sending signals in some type of negative feedback system that will bring the body/cells back to a set point

Question 5

How does positive feedback work?

Answer 5

• effector continues to stimulate sensor so that a greater change occurs in the internal environment
• helps in completing a process with a cutoff point rather than maintain homeostasis