Merrick and Hayes (1976) describe details of an __________ oximeter which enables the measurement of oxygen saturation of blood.

Merrick and Hayes (1976) describe details of an __________ oximeter wh

1.	Merrick and Hayes (1976) describe details of an __________ oximeter which enables the measurement of oxygen saturation of blood.
A.	Pulse
B.	Ear
C.	Skin Reflectance
D.	Intravascular
Answer» C. Skin Reflectance