The Following Questions Refer to the Data Shown Below Figure 421
-For This Capillary Bed, Which of the Following Statements

question 70

Multiple Choice

The following questions refer to the data shown below.
Blood entering a capillary bed of a vertebrate was measured for the pressures exerted by various factors.
$$\begin{array} { l c c } & \begin{array} { c } \text { Arterial End of } \\\text { Capillary Bed }\end{array} & \begin{array} { c } \text { Venous End of } \\\text { Capillary Bed }\end{array} \\\hline \text { Hydrostatic pressure } & 10 \mathrm {~mm} \mathrm { Hg } & 14 \mathrm {~mm} \mathrm { Hg } \\\text { Osmotic pressure } & 26 \mathrm {~mm} \mathrm { Hg } & 26 \mathrm {~mm} \mathrm { Hg } \\\mathrm { PO } _ { 2 } & 100 \mathrm {~mm} \mathrm { Hg } & 42 \mathrm {~mm} \mathrm { Hg } \\\mathrm { PCO } _ { 2 } & 40 \mathrm {~mm} \mathrm { Hg } & 46 \mathrm {~mm} \mathrm { Hg }\end{array}$$
Figure 42.1
-For this capillary bed, which of the following statements is correct?

• A)The pH is lower on the arterial side than on the venous side.
• B)Oxygen is taken up by the erythrocytes within the capillaries.
• C)The osmotic pressure remains constant due to carbon dioxide compensation.
• D)The hydrostatic pressure declines from the arterial side to the venous side because oxygen is lost.
• E)Fluids will leave the capillaries on the arterial side of the bed and re-enter on the venous side.

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