Danny isn’t sure how smart he is until his teacher in the fi…

Danny isn’t sure how smart he is until his teacher in the first grade tells him she thinks he is very bright.  Danny later tells his parents, “I am a bright boy.”  The process by which Danny developed a view of his intelligence is self-fulfilling prophecy.  

A 45-year-old man feels some crushing chest pain along with…

A 45-year-old man feels some crushing chest pain along with numbness in his left arm after shoveling snow. Three hours later, he collapses and is taken to the emergency room. As the admitting nurse, which of the following laboratory tests would you order that would be most useful in this situation?