Which of the following is an incorrect statements?

Blood group 'O' person have A and B antibodies in plasma.

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Eosinophilia is associated with allergic infection.

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RBCs contain carbonic anhydrase.

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T wave of normal ECG represent of depolarization of ventricle.

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Solution

The correct option is D T wave of normal ECG represent of depolarization of ventricle.
The T wave represents the repolarization (or recovery) of the ventricles. The end of the T-wave marks the end of systole. The P-wave represents the electrical excitation (or depolarization) of the atria, which leads to the contraction of both the atria. The QRS complex represents the depolarization of the ventricles, which initiates the ventricular contraction. Thus, the correct answer is option D.

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C O_{2}

is carried in the plasma mainly as

H C O_{3}^{-}

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H C O_{3}

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