Most oxygen in blood is transported
a)as gas dissolved in plasma
b) as oxyhemoglobin
c) as carboxyhemoglobin
d) as bicarbonate
Deoxygenated blood travels in the …. arteries to the lungs.
a) skin
b) vein
c) capillary `
d) pulmonary
Most of the oxygen in the blood is bound to
a) iron
b) protein
c) haemoglobin
d) vitamin
During inspiration, the intercostal muscles contract, lifting the thorax upward and outwards which ….intrapulmonary pressure.
a) reduce
b) increase
c) low
d) high
Lung function and volumes can be measure using a……..
a) barometer
b) spirometer
c) thermometer
d) meter
The airways and other parts of the respiratory system where gaseous exchange does not take place are known as anatomical………
a) tissues
b) dead spaces
c) muscles
d) cells
