Arterial Blood Gases-O2 Carriage/CO2 Carriage

Question 1

What is normal blood pH?

Answer 1

7.40

Question 2

What is normal PCO2?

Answer 2

40 Torr

Question 3

What is the Bohr effect?

Answer 3

the effect of pH on the oxygen dissociation curve (ODC)

Question 4

What is diagnostic for hypoxemia?

Answer 4

PaO2

Question 5

A-a gradient _____ Torr is normal.

Answer 5

≤ 10

Question 6

A-a gradient ≤ 10 Torr is _____.

Answer 6

normal

Question 7

Hypoxemia due to altitude and hypoventilation gives a ______ A-a gradient.

Answer 7

normal

Question 8

Hypoxemia due to shunt, V/Q mismatch, and diffusion problems gives a ______ A-a gradient.

Answer 8

widened

Question 9

Diseases such as asthma, chronic bronchitis, and emphysema involve V/Q mismatch and _____ to oxygen.

Answer 9

respond readily

Question 10

the equation for oxygen content

Answer 10

(CaO2 = (SaO2 × [Hb] x 1.39 ml O2/gm Hb) + (0.003 x PaO2)).

Question 11

(CaO2 = (SaO2 × [Hb] x 1.39 ml O2/gm Hb) +(0.003 x PaO2)).

Answer 11

the equation for oxygen content

Question 12

What is the normal CO2 concentration?

Answer 12

1.2mM

Question 13

What is the normal bicarbonate level?

Answer 13

24mM