Science Quiz: Physiology Of Gas Exchange
.
- 1.
![Air comprises the following components? - ProProfs]( "Air comprises the following components?")
Air comprises the following components?- A.
Oxygen, Carbon Dioxide, Natural Gas and Helium
- B.
Oxygen, Carbon Dioxide, Nitrogen and Natural Gas
- C.
Oxygen, Carbon Dioxide, Water Vapour and Natural Gas
- D.
Oxygen, Carbon Dioxide, Nitrogen and Water Vapour
- 2.
![What percentage of Oxygen makes up air? - ProProfs]( "What percentage of Oxygen makes up air?")
What percentage of Oxygen makes up air?- A.
31%
- B.
40%
- C.
21%
- D.
50%
- 3.
![What units are used to describe the measure of Atmospheric Pressure? - ProProfs]( "What units are used to describe the measure of Atmospheric Pressure?")
What units are used to describe the measure of Atmospheric Pressure?- A.
Cm (Centimetres)
- B.
MmHg (millimetres of mercury)
- C.
Mm (Millimetres)
- D.
Ng (Nanograms)
- 4.
![Gaseous exchange occurs at alveoli and cellular level using what principle? - ProProfs]( "Gaseous exchange occurs at alveoli and cellular level using what principle?")
Gaseous exchange occurs at alveoli and cellular level using what principle?- A.
Diffusion
- B.
Osmosis
- C.
Transport
- D.
Convection
- 5.
![External respiration can be described as? - ProProfs]( "External respiration can be described as?")
External respiration can be described as?- A.
The exchange of gases at a cellular level within the body
- B.
The active process of inhalation
- C.
The exchange of gases at alveoli level within the lungs
- D.
The passive process of exhalation
- 6.
![Oxygen is transported in the blood by binding to? - ProProfs]( "Oxygen is transported in the blood by binding to?")
Oxygen is transported in the blood by binding to?- A.
White Blood Cells
- B.
Plasma
- C.
Haemoglobin
- D.
Water
- 7.
![How is carbon dioxide transported in the blood? - ProProfs]( "How is carbon dioxide transported in the blood?")
How is carbon dioxide transported in the blood?- A.
By combing with water in the plasma to produce bicarbonate
- B.
Binding to white blood cells
- C.
Binding to plasma
- D.
Binding with haemoglobin
- 8.
![The diffusion of O2 and CO2 at a cellular level is described as? - ProProfs]( "The diffusion of O2 and CO2 at a cellular level is described as?")
The diffusion of O2 and CO2 at a cellular level is described as?- A.
Internal respiration
- B.
External respiration
- C.
Gas transfer
- D.
Gas transport
- 9.
![Which vessel(s) carry deoxygenated blood to the lungs? - ProProfs]( "Which vessel(s) carry deoxygenated blood to the lungs?")
Which vessel(s) carry deoxygenated blood to the lungs?- A.
Left and Right Pulmonary Arteries
- B.
Pulmonary Capillaries
- C.
Superior and Inferior Vena Cava
- D.
Right and Left Pulmonary veins
- 10.
![Oxygen rich blood is pumped out of which chamber of the heart into the aorta? - ProProfs]( "Oxygen rich blood is pumped out of which chamber of the heart into the aorta?")
Oxygen rich blood is pumped out of which chamber of the heart into the aorta?- A.
Right Ventricle
- B.
Left Ventricle
- C.
Right Atrium
- D.
Left Atrium
Questions: 20 | Attempts: 57118 | Last updated: Jul 7, 2021
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