If the patient's chin is tipped up, the image appears as an exaggerated smile

A 59 year-old post CABG patient has a C(a-v)O2 that has increased from 5 mL/dL to 8 mL/dL. The respiratory therapist should report to the physician that the patient's

A. hemoglobin is increasing. B. cardiac output is decreasing. C. VD/VT ratio has increased. D. oxygen consumption has decreased.

A simple DC generator has essentially the same construction as an AC generator except that a DC generator employs the use of

a. slip rings. b. a commutator. c. brushes. d. an armature.