Gas Transport

Question 1

Where does carbon dioxide bind in the blood

Answer 1

To the globin

Question 2

The maximum amount of O2 that can be combined with Hb is called the

Answer 2

O2 capacity

Question 3

The percentage of the available binding sites that have O2 attached to Hb

Answer 3

O2 saturation

Question 4

What does a shift to the right mean on hemoglobin saturation

Answer 4

Lower affinity of oxygen

Question 5

What does 2,3 BPG due to oxygen

Answer 5

Reduces affinity

Question 6

What is the Bohr effect

Answer 6

When CO2 lowers the affinity of O2 by stabilizing the T state of Hb

Hb traveling from high to low pH releases O2

Question 7

Hb S has _____ instead of glutamic acid

Answer 7

Valine

Question 8

How do you treat a patient with carboxyhemoglobin

Answer 8

Put patient on 100% O2

Question 9

Which way will it shift if patient has carbon monoxide posioning

Answer 9

Left

Question 10

What color does someome with carbon monoxide turn

Answer 10

Red

Question 11

Small changes in PCO2 results in _______ amounts of Co2 to loaded and unloaded

Answer 11

Large

Question 12

What is the haldane effect

Answer 12

In the presence of high blood O2, there will be less affinity of Hb to Co2 leading to the dissociation of carbaminohemoglobin and unloading of Co2 (in lung)

Question 13

What is another name for hypercapnia

Answer 13

Acidosis