You have been called for an unknown medical emergency at a residence. On scene, you are presented with an 84-year-old patient who is confused and does not obey commands. The best means of determining the patient's normal mental status would be to:

What vessel carries deoxygenated blood to the lungs?

A) Pulmonary artery B) Pulmonary veins C) Venae cavae D) Aorta

When assessing a 3-year-old child for possible injuries after the mother's boyfriend said the child fell down a flight of stairs, which of the following findings would raise your suspicion that the child may be a victim of physical abuse?

a. The child cries when you palpate his arm. b. Several bruises are located on the child's knees and shins. c. The child has a broken clavicle. d. Circumferential bruising on is apparent on the child's arm.