Which of the following is a crucial feature of a substance used as a control?

A) It should be constructed from real human tissues or fluids.
B) It should be provided and maintained by the manufacturer of the assay or equipment.
C) It should be stored at 32°C to prevent degradation.
D) It should mimic the chemical and physical properties of a typical patient specimen.

D

Health Professions

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Healthy lifestyles include:

A) exercise. B) a well balanced diet. C) social interaction. D) all of the above.

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