Regulation of body temperature

Question 1

Where are the main locations of the receptors responsible for controlling body temperature?

Answer 1

sympathetic nervous system

Question 2

Where is the location of the temperature integrating centre?

Answer 2

hypothalamus

Question 3

What are the main effectors involved in thermal regulation?

Answer 3

skin

subcutaneous tissue

Question 4

What adult body temperature is indicative of fever?

Answer 4

over 38 degrees celcius

Question 5

What differentiates fever from other types of hypothermia?

Answer 5

a fever is characterised by an increase in the hypothalamic set point

Question 6

What is a pyrogen?

Answer 6

a substance, typically produced by a bacterium, which produces fever when introduced or released into blood

Question 7

What do humans release in response to pyrogens?

Answer 7

phagocytic leukocytes

Question 8

What are possible advantages of a fever when fighting infection?

Answer 8

• microbes might work best at the body’s normal temperature

- elevated body temperature helps certain types of immune cells work better