After the fetus has descended into the pelvis at the end of the third trimester, many mothers experience:

You are watching an OEC candidate apply a splint to an injured patient. You note that the splint appears to be loose, and you assist the candidate in properly applying it. After you have delivered your patient to the aid room, you explain to the candidate that a splint applied too loosely could result in:

a. damage to muscles, nerves, and blood vessels. b. conversion of an open fracture to a closed fracture. c. decreased pain to the fracture site. d. new fractures along the bone.

Which of the following factors contributing to imprecision (random) errors during blood gas analysis?

a. Sample contamination b. Contaminated buffers c. Statistical probability d. Sample mishandling