You are assessing a 12-year-old male patient who has been involved in a bicycle accident. This patient would be classified as being in which stage of life?

A sample of turbid knee fluid arrives in your laboratory and needs to be analyzed for the presence of white blood cells (WBC). An initial test reveals that the WBC concentration is higher than the upper limit of the automated blood analyzer. Which of the

A) Extrapolate the concentration from a standard curve. B) Obtain another sample. C) Order a more sensitive machine. D) Perform a dilution of the sample.

The muscles of expression in the face (e.g., for smiling, frowning, and wrinkling the forehead) are:

A) Involuntary muscles B) Skeletal muscles C) Attached to face bones D) Embedded in cutaneous tissue