Question: A fever is a response to a disease-causing agent infecting the body. Raising one's body temperature changes the shape of enzymes in the agent so it cannot reproduce. Which statement best describes a fever?
Choices:
A fever is an internal response to an external stimulus.
A fever is an internal response to an internal stimulus.
A fever is an external response to an external stimulus.
A fever is an external response to an internal stimulus.
Answer: B