Respiratory

Question 1

What is the structure of pleura?

Answer 1

Pleural membrane covers both inside of chest wall and outside of the lung on each side of chest. Pleural cavity contains small amount of watery fluid serous. Can be inflamed in pleurisy

Question 2

Describe process known as internal respiration?

Answer 2

The process of gas exchange between the systemic capillaries and tissue fluid

Question 3

Accessory function of respiratory system?

Answer 3

Losing body heat, humidification of air, filtering materials from inspired air ( transport of gases is NOT )

Question 4

To which circulation do the capillaries involved in gas exchange in the lung belong?

Answer 4

Pulmonary

Question 5

Which component of blood is most efficient at carrying oxygen

Answer 5

Red blood cells

Question 6

Component of lower part of respiratory tract

Answer 6

Lungs, trachea, bronchi ( not pharynx)

Question 7

Gas exchange in the body always involves

Answer 7

Diffusion across cells

Question 8

Which process causes the movement of gases between air and blood?

Answer 8

Diffusion

Question 9

What is the approximate total area of the surface available for gas exchange considering both lungs?

Answer 9

50-100 square metres

Question 10

What are the smallest and most numerous of the components of the airway?

Answer 10

Alveoli