NEET Zoology Breathing And Exchange Of Gases MCQs

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    NEET Questions / Zoology / Breathing And Exchange Of Gases

    1.

    Which of the following statements regarding the chloride shift in the respiratory system is INCORRECT?

    A

    Chloride ions move into the red blood cell as bicarbonate ions move out.

    B

    It occurs in systemic capillaries.

    C

    It is essential for maintaining electrical neutrality during CO2 transport.

    D

    It results in a decrease in the pH of the red blood cell

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    3.

    Which statement BEST describes the chloride shift in the context of CO2CO_2 transport in blood?

    A

    Chloride ions move out of red blood cells as bicarbonate ions diffuse in.

    B

    Chloride ions move into red blood cells to maintain electroneutrality as bicarbonate ions diffuse out.

    C

    Chloride ions and bicarbonate ions move in the same direction across the red blood cell membrane.

    D

    Chloride shift occurs primarily in the plasma, not within red blood cells.

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    4.

    In the context of respiration, what does the Chloride Shift refer to?

    A

    Movement of chloride ions out of RBCs to maintain electrochemical neutrality

    B

    Movement of bicarbonate ions into RBCs

    C

    Movement of oxygen into RBCs

    D

    Movement of chloride ions into RBCs to maintain electrochemical neutrality

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    7.

    What happens in Hamburger shift?

    A

    Movement of sodium ions into red blood cells to balance the outflow of potassium ions.

    B

    Exchange of bicarbonate and chloride ions across the red blood cell membrane to maintain electroneutrality.

    C

    Diffusion of oxygen from the lungs into red blood cells and binding with hemoglobin.

    D

    Conversion of carbon dioxide into carbon monoxide within red blood cells.

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    8.

    What happens in Hamburger shift?

    A

    Sodium ions move into the red blood cells in exchange for potassium ions.

    B

    Chloride ions move into the red blood cells in exchange for bicarbonate ions to maintain electrical neutrality.

    C

    Bicarbonate ions move into the red blood cells in exchange for oxygen.

    D

    Potassium ions move out of the red blood cells in exchange for chloride ions.

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