PPT4 Oxygenation

Question 0

A patient with an arterial oxygen tension of >100 would be considered _________

Answer 0

Hyperoxemia

Question 1

The two ways oxygen is transported in the blood, dissolved in plasma and _______________

Answer 1

Combined on hemoglobin

Question 2

Normal arterial oxygen tension ranges from

Answer 2

80-100

Question 3

A patient with a arterial oxygen tension of ___-___ would be considered mildly hypoxemic

Answer 3

60-79

Question 4

Moderate hypoxemia ranges from

Answer 4

45-59

Question 5

Severe hypoxemia ranges from

Answer 5

Anything <45

Question 6

Dissolved PaO2 _________ effect the amount of combined O2

Answer 6

Does not

Question 7

A patient can have a normal PaO2 and be _________ for oxygen

Answer 7

Starved

Question 8

To calculate dissolved oxygen take PaO2 and ?

Answer 8

Multiply by .003ml/dl

Question 9

Dissolved oxygen transport is based on who’s law?

Answer 9

Henry’s

Question 10

Normal PvO2 is

Answer 10

40torr

Question 11

A High PvO2 can be stemmed from L-R shunt, hypervolemia, or ____________?

Answer 11

High cardiac output

Question 12

A high PvO2 can be stemmed from L-R shunt, _________, or high cardiac output

Answer 12

Hypervolemia

Question 13

A high PvO2 can be stemmed from _________, hypervolemia, or high cardiac output

Answer 13

L-R shunt

Question 14

A low PvO2 can be stemmed from anemia and _________

Answer 14

Low cardiac output

Question 15

A low PvO2 can be stemmed from ______ or low cardiac output

Answer 15

Anemia

Question 16

Normal cardiac output is ______

Answer 16

5L

Question 17

Greater the distance the ______ the diffusion

Answer 17

Less

Question 18

The greater the surface area, diffusion constant, and pressure gradient the _______ the diffusion

Answer 18

More

Question 19

Most oxygen is transported on the ________

Answer 19

Hemoglobin

Question 20

Four polyphyrin rings

Answer 20

Heme

Question 21

Large protein molecule

Answer 21

Hb

Question 22

Four polypeptide chains

Answer 22

Globin

Question 23

3 functions of hemoglobin are to carry oxygen, carry CO2, and ___________

Answer 23

Buffer

Question 24

3 functions of hemoglobin are to carry oxygen, _____________, and buffer

Answer 24

Carry CO2

Question 25

3 functions of hemoglobin are to ________ carry CO2, and buffer

Answer 25

Carry oxygen