Lecture 9: Transport of Gas by Blood Flashcards

1
Q

Amount of oxygen transporte din the blood

A

Low

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2
Q

Amount of oxygen transported on hemaglobin?

A

high

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3
Q

Oxyen doesnt bind to hemaglobin unless?

A

its dissolved

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4
Q

Hemaglobin

A

4 heme roups bound to globin protein

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5
Q

When Oxygen binds to HB what happens?

A

H+ is released from histadine

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6
Q

Low pH

A

High H_, decrease oxygen binding

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7
Q

1 gram of HB can bind?

A

1.39mL of O2/dL of blood

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8
Q

Normla HB

A

15g/dL of blood

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9
Q

p50 measures?

A

Hb binding affinity

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10
Q

Does CO2 have a greater or lesser ability to be transported when diffused than oxygen?

A

greater

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11
Q

Protein bound CO2

A

Carbamino compounds

Bicarb (90%)

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12
Q

All exhaled CO2 comes from?

A

dissolved state

H+ ion elimated by breathing off CO2

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13
Q

Normal arteroal CO2

A

40mmHG

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14
Q

Normal venous CO2

A

45 mmHg

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