Scientists Preparing Preserved Animals Often Inject Colored Latex into the Circulatory

Multiple Choice

Scientists preparing preserved animals often inject colored latex into the circulatory system to identify different kinds of vessels.What color of latex is likely to be seen escaping from some blood vessels in preserved fetal pigs if pink latex is injected on the arterial side and blue on the venous side?

A) blue latex
B) pink latex
C) both colors mixed together
D) spots of different colors in different parts of the pig
E) None of the answer choices are correct.