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Questions and Answers
Which of the following is the primary form in which CO2 is transported in the blood?
Which of the following is the primary form in which CO2 is transported in the blood?
- Bicarbonate (correct)
- Carbamino compounds
- Dissolved
- Oxygenated haemoglobin
Which type of haemoglobin is able to carry more CO2?
Which type of haemoglobin is able to carry more CO2?
- Deoxygenated haemoglobin (correct)
- Both types carry equal amounts of CO2
- Oxygenated haemoglobin
- Neither type can carry CO2
Why is removal of carbon dioxide important for maintaining a normal acid-base balance?
Why is removal of carbon dioxide important for maintaining a normal acid-base balance?
- CO2 is a neutral compound
- CO2 is an acidic compound (correct)
- CO2 is a basic compound
- CO2 reacts with oxygen to form acid
Which form of CO2 transport in the blood is the most abundant?
Which form of CO2 transport in the blood is the most abundant?
What is the role of deoxygenated haemoglobin in CO2 transport?
What is the role of deoxygenated haemoglobin in CO2 transport?
Which organ excretes CO2 from the body?
Which organ excretes CO2 from the body?
True or false: CO2 is produced in tissues as a waste product of respiration and is excreted in the lungs.
True or false: CO2 is produced in tissues as a waste product of respiration and is excreted in the lungs.
True or false: Deoxygenated haemoglobin is able to carry more CO2 than oxygenated haemoglobin.
True or false: Deoxygenated haemoglobin is able to carry more CO2 than oxygenated haemoglobin.
True or false: Removal of carbon dioxide is vital to maintain a normal acid-base balance.
True or false: Removal of carbon dioxide is vital to maintain a normal acid-base balance.
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Study Notes
CO2 Transportation and Excretion
- CO2 is produced in tissues as a waste product of respiration.
- CO2 is excreted in the lungs.
- CO2 is transported in the blood in three forms:
- Dissolved
- Bicarbonate
- Carbamino compounds
- Deoxygenated haemoglobin is able to carry more CO2 than oxygenated haemoglobin.
- Removal of carbon dioxide is vital to maintain a normal acid-base balance.
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