Chapter 40 Transport of Oxygen and Carbon Dioxide in Blood and Tissue Fluids

Chapter 40  Transport of Oxygen and Carbon Dioxide in Blood and Tissue Fluids

Complete Chapter Questions And Answers
 

Sample Questions

1. A patient with no respiratory problems is given a blood transfusion. Which of the following will occur?
A. Arterial pO2 will increase
B. Arterial pCO2 will decrease
C. Arterial saturation will increase
D. Arterial oxygen content will decrease
E. Arterial oxygen content will increase

ANS: E

2. Which of the following should decrease the affinity of hemoglobin for oxygen?
A. Low pCO2
B. Alkalosis
C. Acidosis
D. Decreased body temperature

ANS: C

3. A person with anemia has a Hb concentration of 12 g/dL. He starts exercising and uses 12 mL O2/dL. What is the mixed venous pO2?
A. 0 mmHg
B. 10 mmHg
C. 20 mmHg
D. 40 mmHg
E. 100 mmHg

ANS: B

4. A man fell asleep in his running car one evening. He was brought into the ER unconscious. His arterial pO2 was 95 mmHg. His arterial pCO2 was 40 mmHg. With carbon monoxide poisoning you would expect his arterial oxygen saturation would be _______ while his venous oxygen saturation would be ______ .
A. Normal, decreased
B. Decreased, decreased
C. Increased, normal
D. Increased, normal

ANS: B

5. An otherwise normal person has lost enough blood to decrease his body’s hemoglobin concentration from 15 g/100 mL blood to 12 g/100 mL blood. Which of the following would be expected to decrease?
A. Arterial pO2
B. Blood oxygen-carrying capacity
C. Arterial hemoglobin saturation
D. Arterial carbon dioxide content

ANS: B