The principal protein for transport of iron from the intestine to the liver, bone marrow, or spleen for storage is:

A preterm delivery occurs:

A) any time before 40 weeks. B) between 30 and 38 weeks. C) before 37 weeks of gestation. D) between 28 and 36 weeks.

Advancing a pulmonary artery catheter into a smaller artery may cause which of the following complications?

a. Pneumothorax b. Air embolism c. Pulmonary infarction d. Ventricular fibrillation