Numbers of white blood cells (WBCs) are increased in circumstances of: (Select all that apply.)
a. inflammation.
b. allergy.
c. invasion by pathogenic organisms.
d. malnutrition.
e. immune diseases.
A, B, C
WBCs play a key role in the defense against infectious organisms and foreign antigens. Numbers of WBCs are increased in circumstances of inflammation, tissue injury, allergy, or invasion with pathogenic organisms. Numbers of WBCs are diminished in conditions of malnutrition, advancing age, and immune diseases.
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