The Following Questions Refer to the Data Shown Below Figure 421
-How Is Most of the Carbon Dioxide Transported by Entering

question 61

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
-How is most of the carbon dioxide transported by the blood in humans?

• A)bicarbonate ions in the plasma
• B)CO2 attached to hemoglobin
• C)carbonic acid in the erythrocytes
• D)CO2 dissolved in the plasma
• E)bicarbonate attached to hemoglobin

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Definitions:

Face Validity

The extent to which a test or procedure appears effective in terms of its stated aims, at face value, to untrained individuals.

Standardized Assessments

Tools or tests that are uniformly administered and scored across different individuals or groups to measure specific factors such as abilities, aptitudes, or characteristics.

Normative Group

A reference group against which individuals or other groups' behaviors, attitudes, or conditions are compared and assessed.

Diagnosis

The identification of the nature and cause of a health problem, usually through evaluation of patient history, examination, and review of diagnostic tests.