What artery is indicated by the letter A in Figure 19-1?    

A sterile item can only touch another (waist, reach, sterile, contaminated, vision, border) item. A sterile item must be within your field of (waist, reach, sterile, contaminated, vision, border) and above your (waist, reach, sterile, contaminated, vision, border). Do not (waist, reach, sterile, contaminated, vision, border) over sterile fields. The (waist, reach, sterile, contaminated, vision, border) of a sterile field are considered contaminated. Outer wrappings are considered (waist, reach, sterile, contaminated, vision, border).

Which structures help distinguish the anterior from the posterior surface of the heart?

Compared to arteries, veins have:

Compared to arteries, veins have:

What vein is indicated by letter A in Figure 19-2?

What vein is indicated by letter A in Figure 19-2?

Where does the coronary sinus empty?  

What chamber is identified by letter “A” in Figure 18.4?

A sterile item can only touch another (waist, reach, sterile, contaminated, vision, border) item. A sterile item must be within your field of (waist, reach, sterile, contaminated, vision, border) and above your (waist, reach, sterile, contaminated, vision, border). Do not (waist, reach, sterile, contaminated, vision, border) over sterile fields. The (waist, reach, sterile, contaminated, vision, border) of a sterile field are considered contaminated. Outer wrappings are considered (waist, reach, sterile, contaminated, vision, border).