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Kaplan Qbank USMLE



Author3 Posts
  #1

Which of the following is most likely decrease in the absence of Band 3 protein in RBCs????

a)Osmotic fragility

b)pH

c)Destruction of RBCs in spleen

d)Bile production

e)erythroid production in the bone marrow


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  #2

b

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  #3

The band 3 protein is an anion transporter that allows bicarbonate (HCO-3) to cross the membrane in exchange for Cl-. This increases the amount of CO2 the blood can deliver to the lungs. If it is absent, less bicarbonate will be transported out of RBCs, PH decreases.

So b.

Is it right?








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