The anxiety and fear of failure can cause excessive ____, which wastes time and causes great stress.?

A pulse oximetry reading of 98 percent indicates:

A) enough oxygen is reaching the body's cells. B) the hemoglobin in red blood cells is carrying an adequate amount of oxygen. C) it is not necessary to provide supplemental oxygen to your patient. D) the patient is adequately able to get rid of carbon dioxide in the blood.

Bordetella pertussis and chronic lymphocytic leukemia have increased small lymphocytes with condensed nuclear chromatin on the blood smear. What laboratory test could distinguish whooping cough from CLL?

a. Heterophile testing b. Biopsy of lymph nodes c. Molecular testing d. Culture and serological antibody testing