Question

When blood is withdrawn from the subject under anaerobic conditions and measurement for oxygen saturation is made at a later time in the laboratory, the procedure is referred to as _________ oximetry.

(a) in vitro

(b) in vivo

(c) transmission

(d) reflection

The question was posed to me in a national level competition.

Asked question is from Vectorcardiography (VCG) topic in portion Biomedical Recorders of Biomedical Instrumentation

Answer 1

Correct choice is (a) in vitro

To explain I would say: When blood is withdrawn from the subject under anaerobic conditions and measurement for oxygen saturation is made at a later time in the laboratory, the procedure is referred to as in vitro oximetry.