Integrating the systems

Question 1

What system is thermoregulation

Answer 1

negative feedback loop

Question 2

What are some components of thermoregulation

Answer 2

brown adipose tissue, piloerection, sweat glands

Question 3

What are the symptoms of hypothermia

Answer 3

drowsiness, coma, low HR, BP, acidosis, death

Question 4

What is Dalton’s law

Answer 4

total pressure of a gas mixture is the sum of their individual partial pressures

Question 5

How is air conditioned when it enters the alveoli

Answer 5

humidified

Question 6

What happens to oxygen levels at high altitude

Answer 6

oxygen partial pressure is low in atmosphere and capillaries

Question 7

Describe the gradient at high altitudes

Answer 7

reduction in gradient between alveolar and capillary partial pressure

Question 8

What is hypoxemia

Answer 8

reduction in blood content

Question 9

What are the symptoms of hypoxia

Answer 9

fatigue, cerebral oedema, pulmonary oedema, headache

Question 10

What does hypoxemia stimulate

Answer 10

peripheral chemoreceptors

Question 11

What centres does hypoxemia stimulate

Answer 11

cardiovascular and respiratory centres