Testing for ________ vision acuity should be done if the patient complains of difficulty reading or performing other close-range tasks.

Volume 3 of the ICD-9-CM is used by:

A. physicians to code diagnoses and symptoms. B. physicians to code procedures. C. hospitals to code diagnoses and symptoms. D. hospitals to code procedures.

As individual cells come into contact with blood, and the blood glucose therein, they use the hormone ____ to help transport the glucose from the bloodstream into the cell, where it is then used as an energy source.

A. insulin B. glycogen C. glucose D. adrenaline