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Read the given statements and select the correct option.
Statement 1 : About 70% of CO2 that enters RBCs changes into HCO3- for transport in plasma to the lungs where it reconverts into CO2 for elimination.
Statement 2 : About 40% of CO2 that enters RBCs changes into carbaminohaemoglobin which releases O2 in the lungs.
Statement 1 : About 70% of CO2 that enters RBCs changes into HCO3- for transport in plasma to the lungs where it reconverts into CO2 for elimination.
Statement 2 : About 40% of CO2 that enters RBCs changes into carbaminohaemoglobin which releases O2 in the lungs.
- a)Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.
- b)Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1.
- c)Statement 1 is correct and statement 2 is incorrect.
- d)Both statements 1 and 2 are incorrect.
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
Read the given statements and select the correct option.Statement 1 : ...
About 20−25% of CO2 is carried by Hb as carbamino-haemoglobin. CO2 reacts directly with amine radicals (NH2) of Hb of form an unstable compound called carbaminohaemoglobin which releases CO2 in the lungs.
Most Upvoted Answer
Read the given statements and select the correct option.Statement 1 : ...
Statement 1: About 70% of CO2 that enters RBCs changes into HCO3- for transport in plasma to the lungs where it reconverts into CO2 for elimination.
Statement 2: About 40% of CO2 that enters RBCs changes into carbaminohaemoglobin which releases O2 in the lungs.
Explanation:
Transport of Carbon Dioxide (CO2) in the blood involves several mechanisms. Let's discuss each statement separately:
Statement 1:
About 70% of CO2 that enters RBCs changes into HCO3- for transport in plasma to the lungs where it reconverts into CO2 for elimination.
- When CO2 enters the RBCs, it combines with water (H2O) to form carbonic acid (H2CO3) through the action of an enzyme called carbonic anhydrase.
- Carbonic acid (H2CO3) dissociates into bicarbonate ions (HCO3-) and hydrogen ions (H+).
- The bicarbonate ions (HCO3-) are transported out of the RBCs and into the plasma, where they are carried to the lungs.
- In the lungs, the reverse process occurs. Bicarbonate ions (HCO3-) re-enter the RBCs and combine with hydrogen ions (H+) to form carbonic acid (H2CO3).
- Carbonic acid (H2CO3) then breaks down into CO2 and water (H2O) through the action of carbonic anhydrase.
- The CO2 produced is then eliminated from the body through exhalation.
Statement 2:
About 40% of CO2 that enters RBCs changes into carbaminohaemoglobin which releases O2 in the lungs.
- Apart from being converted into bicarbonate ions, a small portion of CO2 that enters RBCs combines directly with hemoglobin to form carbaminohaemoglobin.
- This process occurs in the tissues where oxygen (O2) is released from hemoglobin to the tissues.
- In the lungs, when blood reaches the alveoli, the high concentration of oxygen causes the release of carbon dioxide from carbaminohaemoglobin.
- The released CO2 then follows the process mentioned in Statement 1 to be eliminated from the body.
Explanation of the correct option:
The correct option is 'C' - Statement 1 is correct and statement 2 is incorrect.
Statement 1 correctly explains the process of CO2 transport through bicarbonate ions in RBCs and plasma to the lungs. However, Statement 2 is incorrect as only a small portion (about 20-25%) of CO2 combines with hemoglobin to form carbaminohaemoglobin, not 40%. Additionally, the release of oxygen from hemoglobin in the lungs is not directly related to the formation of carbaminohaemoglobin.
Hence, option 'C' is the correct answer.
Statement 2: About 40% of CO2 that enters RBCs changes into carbaminohaemoglobin which releases O2 in the lungs.
Explanation:
Transport of Carbon Dioxide (CO2) in the blood involves several mechanisms. Let's discuss each statement separately:
Statement 1:
About 70% of CO2 that enters RBCs changes into HCO3- for transport in plasma to the lungs where it reconverts into CO2 for elimination.
- When CO2 enters the RBCs, it combines with water (H2O) to form carbonic acid (H2CO3) through the action of an enzyme called carbonic anhydrase.
- Carbonic acid (H2CO3) dissociates into bicarbonate ions (HCO3-) and hydrogen ions (H+).
- The bicarbonate ions (HCO3-) are transported out of the RBCs and into the plasma, where they are carried to the lungs.
- In the lungs, the reverse process occurs. Bicarbonate ions (HCO3-) re-enter the RBCs and combine with hydrogen ions (H+) to form carbonic acid (H2CO3).
- Carbonic acid (H2CO3) then breaks down into CO2 and water (H2O) through the action of carbonic anhydrase.
- The CO2 produced is then eliminated from the body through exhalation.
Statement 2:
About 40% of CO2 that enters RBCs changes into carbaminohaemoglobin which releases O2 in the lungs.
- Apart from being converted into bicarbonate ions, a small portion of CO2 that enters RBCs combines directly with hemoglobin to form carbaminohaemoglobin.
- This process occurs in the tissues where oxygen (O2) is released from hemoglobin to the tissues.
- In the lungs, when blood reaches the alveoli, the high concentration of oxygen causes the release of carbon dioxide from carbaminohaemoglobin.
- The released CO2 then follows the process mentioned in Statement 1 to be eliminated from the body.
Explanation of the correct option:
The correct option is 'C' - Statement 1 is correct and statement 2 is incorrect.
Statement 1 correctly explains the process of CO2 transport through bicarbonate ions in RBCs and plasma to the lungs. However, Statement 2 is incorrect as only a small portion (about 20-25%) of CO2 combines with hemoglobin to form carbaminohaemoglobin, not 40%. Additionally, the release of oxygen from hemoglobin in the lungs is not directly related to the formation of carbaminohaemoglobin.
Hence, option 'C' is the correct answer.
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Read the given statements and select the correct option.Statement 1 : About 70% of CO2 that enters RBCs changes into HCO3- for transport in plasma to the lungs where it reconverts into CO2 for elimination.Statement 2 : About 40% of CO2 that enters RBCs changes into carbaminohaemoglobin which releases O2 in the lungs.a)Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.b)Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1.c)Statement 1 is correct and statement 2 is incorrect.d)Both statements 1 and 2 are incorrect.Correct answer is option 'C'. Can you explain this answer?
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Read the given statements and select the correct option.Statement 1 : About 70% of CO2 that enters RBCs changes into HCO3- for transport in plasma to the lungs where it reconverts into CO2 for elimination.Statement 2 : About 40% of CO2 that enters RBCs changes into carbaminohaemoglobin which releases O2 in the lungs.a)Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.b)Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1.c)Statement 1 is correct and statement 2 is incorrect.d)Both statements 1 and 2 are incorrect.Correct answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Read the given statements and select the correct option.Statement 1 : About 70% of CO2 that enters RBCs changes into HCO3- for transport in plasma to the lungs where it reconverts into CO2 for elimination.Statement 2 : About 40% of CO2 that enters RBCs changes into carbaminohaemoglobin which releases O2 in the lungs.a)Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.b)Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1.c)Statement 1 is correct and statement 2 is incorrect.d)Both statements 1 and 2 are incorrect.Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Read the given statements and select the correct option.Statement 1 : About 70% of CO2 that enters RBCs changes into HCO3- for transport in plasma to the lungs where it reconverts into CO2 for elimination.Statement 2 : About 40% of CO2 that enters RBCs changes into carbaminohaemoglobin which releases O2 in the lungs.a)Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.b)Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1.c)Statement 1 is correct and statement 2 is incorrect.d)Both statements 1 and 2 are incorrect.Correct answer is option 'C'. Can you explain this answer?.
Read the given statements and select the correct option.Statement 1 : About 70% of CO2 that enters RBCs changes into HCO3- for transport in plasma to the lungs where it reconverts into CO2 for elimination.Statement 2 : About 40% of CO2 that enters RBCs changes into carbaminohaemoglobin which releases O2 in the lungs.a)Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.b)Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1.c)Statement 1 is correct and statement 2 is incorrect.d)Both statements 1 and 2 are incorrect.Correct answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Read the given statements and select the correct option.Statement 1 : About 70% of CO2 that enters RBCs changes into HCO3- for transport in plasma to the lungs where it reconverts into CO2 for elimination.Statement 2 : About 40% of CO2 that enters RBCs changes into carbaminohaemoglobin which releases O2 in the lungs.a)Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.b)Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1.c)Statement 1 is correct and statement 2 is incorrect.d)Both statements 1 and 2 are incorrect.Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Read the given statements and select the correct option.Statement 1 : About 70% of CO2 that enters RBCs changes into HCO3- for transport in plasma to the lungs where it reconverts into CO2 for elimination.Statement 2 : About 40% of CO2 that enters RBCs changes into carbaminohaemoglobin which releases O2 in the lungs.a)Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.b)Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1.c)Statement 1 is correct and statement 2 is incorrect.d)Both statements 1 and 2 are incorrect.Correct answer is option 'C'. Can you explain this answer?.
Solutions for Read the given statements and select the correct option.Statement 1 : About 70% of CO2 that enters RBCs changes into HCO3- for transport in plasma to the lungs where it reconverts into CO2 for elimination.Statement 2 : About 40% of CO2 that enters RBCs changes into carbaminohaemoglobin which releases O2 in the lungs.a)Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.b)Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1.c)Statement 1 is correct and statement 2 is incorrect.d)Both statements 1 and 2 are incorrect.Correct answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for NEET.
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ample number of questions to practice Read the given statements and select the correct option.Statement 1 : About 70% of CO2 that enters RBCs changes into HCO3- for transport in plasma to the lungs where it reconverts into CO2 for elimination.Statement 2 : About 40% of CO2 that enters RBCs changes into carbaminohaemoglobin which releases O2 in the lungs.a)Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.b)Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1.c)Statement 1 is correct and statement 2 is incorrect.d)Both statements 1 and 2 are incorrect.Correct answer is option 'C'. Can you explain this answer? tests, examples and also practice NEET tests.
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