An injury to the glenohumeral joint in which the head of the humerus is pulled out of the socket

The color of the blood tube that is usually first in sequence for filling and is without an anticoagulant (used for blood typing and cross-matching) is:

A) blue. B) green. C) red. D) gray.

Which of the following best describes the purpose of certification for medical assistants?

a. To set a standard for clinical practice b. To set a standard for evaluating an individual's professional competence c. To set a standard for all schools d. To set a standard for providers