Most frequently, venipuncture is performed in the ____ area of the arm.

A patient has a white count of 8.3 ´ 109/L and 65% lymphocytes. What is the correct interpretation?

a. Depends on the patient's age b. Lymphocytosis c. Lymphopenia d. Patient probably has infectious mononucleosis

The lens focuses light on the photoreceptor cells by?

A) ?opening and closing. B) ?changing shape. C) ?moving in and out. D) ?moving up and down.