Blood for routine laboratory analysis is usually collected at site for children older than one year

What is the role of the American Heart Association (AHA) regarding resuscitation devices? I. The AHA suggests standards for the delivery of rate and volume from devices. II. The AHA provides standards for the depth and timing of ventilation. III. The AHA establishes standards for device characteristics. IV. The AHA focuses on the testing of devices

A. I, II only B. I, III only C. II, III only D. III, IV only

A patient who demonstrates chronic gastrointestinal bleeding is diagnosed with anemia. What is the primary cause of the patient's anemia?

a. Vitamin B12 deficiency b. Iron deficiency c. Folate deficiency d. Bone marrow failure