The Effects of a Posture Change in the Patient, from a Supine

Multiple Choice

The effects of a posture change in the patient, from a supine position to standing, can have a significant effect on some laboratory test results. All of the following are true statements about these changes, except:

A) patients should generally be lying down or sitting for 5 minutes prior to having blood samples collected.
B) the effects are about the same for all laboratory tests.
C) the effects are greatest in patients with congestive heart failure and liver disease.
D) the effects are most noticeable for lipid profiles