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Ch 16 chemistry quiz bank blood gases pH and buffer systems

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Chem 16 quiz bank
Ch 16 chemistry quiz bank blood gases pH and buffer systems
1. Oxygen content in blood reflects
a. The patient’s total hemoglobin value
b. PO
2
value*
c. All of these
d. O
2
Hb only (oxygenated hemoglobin)
e. O
2
dissolved in blood plasma only
2. The hemoglobin oxygen binding capacity for a blood sample that is 100% saturated with O2 and
has a total hemoglobin value of 12g/dL is approximately(1.34)
a. 34mL O
2
/dL
b. 8 mL O
2
/dL
c. 17 mL O
2
/dL*
d. 4 mL O
2
/dL
3. At a pH of 7.10, the H concentration is equal to
a. 80 nmol/L*
b. 60 nmol/L
c. 20 nmol/L
d. 40 nmol/L
4. A patients arterial blood gas results are :
pH: 7.48
PCO
2
: 54mm
HCO
3
- 38mmol/L
These results are consistent with
a. Uncompensated respiratory alkalosis
b. Compensated nonrespiratory alkalosis*
c. Uncompensated nonrespiratory alkalosis
d. Compensated respiratory alkalosis
5. The normal ratio of carbonic acid to bicarbonate in arterial blood is
a. 1:20*
b. 0.003 : 1.390
c. 7.4 : 6.1
d. 20:1
6. When arterial blood from a normal patient is exposed tp room air
a. PCO
2
decreases PO
2
increases
b. PCO
2
increases PO
2
decreases*
c. PCO
2
increases PO
2
increases
d. PCO
2
decreases PO
2
decreases
7. A patients arterial blood gas results are :
pH: 7.37
PCO
2
: 75mm Hg
HCO
3
- 37mmol/L

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Ch 16 chemistry quiz bank blood gases pH and buffer systems 1. Oxygen content in blood reflects a. The patient’s total hemoglobin value b. PO2 value* c. All of these d. O2Hb only (oxygenated hemoglobin) e. O2 dissolved in blood plasma only 2. The hemoglobin oxygen binding capacity for a blood sample that is 100% saturated with O2 and has a total hemoglobin value of 12g/dL is approximately(1.34) a. 34mL O2/dL b. 8 mL O2/dL c. 17 mL O2/dL* d. 4 mL O2/dL 3. At a pH of 7.10, the H concentration is equal to a. 80 nmol/L* b. 60 nmol/L c. 20 nmol/L d. 40 nmol/L 4. A patients arterial blood gas ...
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