CAMTASIA: Thermoregulation

Question 1

Human being are ____ which means we need to maintain a temperature in the midst of large fluctuations in ambient temperatures.

Answer 1

Homeotherms

Question 2

Humans have a peak in temperature in the (time of day)

Answer 2

Late afternoon

Question 3

Humans have a low in temperature in the (time of day)

Answer 3

Early morning

Question 4

The primary site of thermoregulation is the ____

Answer 4

Hypothalamus

Question 5

Peripheral and central chemoreceptors communicate with the ____ as well as the ____ (which is responsible for volitional regulation of temperature)

Answer 5

Hypothalamus, cerebral cortex

Question 6

The hypothalamus helps regulate temperature by communicating with these four main areas:

Answer 6

Adrenal medulla, sweat glands, skin arterioles (vasculature), skeletal muscle.

Question 7

T/F Thermoregulation is largely controlled by skin blood flow, muscle tone, appetites, behavioral modifications

Answer 7

TRUE

Question 8

____ are released from macrophages in the presence of infection and ____ the level of prostaglandins in the body thus ____ temperature. This will essentially “reset the thermostat.”

Answer 8

Endogenous pyrogens (IL-1, IL-6), increase, increasing