Thermoregulation Flashcards
Body temperature in heath is regulated within the range …
36.3 to 37.3
Match the following statements with the correct body temperature:
Pyrexia, hyperthermia, hypothermia and death
Pyrexia = greater than 37.5 and less than 38 Hyperthermia = greater than 38 Hypothermia = less than 35 Death = less than 25 or greater than 45
For sweat to evaporate, heat is taken from …
Skin
Heat sensitive neurones are found in the …
Skin and hypothalamus
How do enzymes respond to hyperthermia?
Increased activity, followed by decreased activity, then denaturation
How does the body lose heat?
Conduction, radiation and convection
How does the body produce heat?
Feeding and muscle activity
Identify thermoregulation problems for new born infants …
Cannot shiver and small volume and large surface area
Increases blood flow to the skin is achieved by …
Vasodilation
State the location of the thermoregulation centre …
Brain
What proportion of cellular metabolic activity is lost as heat each day?
75%
Which sites are most representative of core body temperature?
Rectal and tympanic
