PH

question 228

Multiple Choice

pH

• A)equals the logarithm to the base 10 of the reciprocal of the hydrogen-ion concentration
• B)can be calculated if the HCO3- and CO₂ concentration in the body fluids is known, even if the H+ concentration is unknown
• C)is higher in arterial blood than venous blood
• D)is both a and b
• E)is all of the above

---

Definitions:

T-statistic

A type of statistic used in hypothesis testing, calculated as the ratio of the departure of the estimated value of a parameter from its hypothesized value to its standard error.

Sample Size

The count of data points or observations gathered in a research study for deriving conclusions.

Population Mean

The average of a set of characteristics (e.g., measurements, scores) for every individual or entity in the entire population.

Standard Error

The standard deviation of the sample mean distribution or an estimate of that standard deviation.