Laboratory Identification of a Viral Infection Is Most Often Achieved

question 14

Multiple Choice

Laboratory identification of a viral infection is most often achieved by

• A)direct microscopy.
• B)a Gram stain.
• C)blood culture.
• D)electron microscopy.
• E)polymerase chain reaction (PCR).

---

Definitions:

Sample Size

The number of observations or data points selected from a population for the purpose of statistical analysis.

Confidence Interval

A stretch of values, resulting from sample analytics, projected to envelop the value of a hidden attribute in a population.

Population Proportion

The ratio of members within a subset to the total number of members in a population.

Stratified Random Sampling

A method of sampling that involves dividing a population into smaller groups, known as strata, that share similar characteristics, and then randomly selecting members from each stratum for study.