Common age-related skin changes include an increase in:

A) oil secretion.
B) areas of pigmentation.
C) perspiration.
D) resistance to infection.

B

Health Professions

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A clinical laboratory technician is asked to determine the concentration of red blood cells (RBCs) from a sample of turbid knee fluid using a hemacytometer. The technician dilutes the sample with normal saline and loads it onto the hemacytometer

A total of 400 red blood cells are counted over 5 squares. What additional information is required to calculate the concentration of RBCs? A) The WBC count B) The dilution factor C) The number of platelets D) The red-cell distribution width

Health Professions

Which formula includes some outpatients as well as inpatients?

A. All death rates B. All autopsy rates C. Hospital death rate D. Hospital autopsy rate

Health Professions