A Centrifuged Sample of Blood Shows 53% Plasma, 1% Buffy

question 87

Multiple Choice

A centrifuged sample of blood shows 53% plasma, 1% buffy coat, and 46% erythrocytes. What percent of the blood is composed of leukocytes and platelets?

• A) 46%
• B) 53%
• C) 1%
• D) 47%

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Definitions:

Quantitative

Referring to research focused on numerical data and statistical analysis to understand patterns and relationships.

Naturalistic Observation

A research method involving the systematic observation of subjects in their natural environment without any intervention by the observer.

Police Ride-Along

A program allowing civilians to accompany police officers in their vehicles to observe law enforcement activities firsthand.

Concealed Observation

A research method where the observer remains hidden from view or unknown to the subjects, to ensure behavior is not altered.