The muscles in between the ribs are called ….. muscles
a) cartilage muscles
b) cardiac muscles
c) intercostals
d) tendon
Each Lung is enclosed in a double membrane called…..
a) diaphragm
b) cavity
c) mucous membrane
d) Pleura
Which of the following is not a characteristics feature of alveoli in the lung?
a) alarge surface area
b) thin walled
c) chemical layer called surfactant
d) poor blood supply
e) moist surface
Most of the oxygen being transported by blood
a) is dissolved in plasma
b) is attached to glucose
c) is reversibly bound to haemoglobin
d) is used to provide energy for the heartbeat
e) is carried in the form of bicarbonate
Pulmonary surfactant:
a) protects the surface of the lungs
b) eliminates small particles and dust
c) is made by bronchioles
d) prevents the alveoli from collapsing
e) can change color to green or yellow when infected
Ventilation (breathing) is a regular rhythmic process which:
a) moves air into and out of the lungs
b) release energy from glucose within living cells
c) protects the airways by clearing them of mucus or irritants
d) reduce the surface tension of the lining of the lung.
e) moves gases from an area of high concentration to an area of lower concentration
