Ms. F. visited her physician for a routine physical. During the exam, she explained that over the last two weeks, she had been feeling much more tired than normal and occasionally felt short of breath. Knowing that women usually present with atypical symptoms of a heart attack, her physician ran some diagnostic tests and found that Ms. F. was indeed having a heart attack.

a. Imaging showed that Ms. F. had blockages in both her right marginal artery and her anterior interventricular artery. What parts of her heart would be affected by these blockages? How would the body be affected by this?
b. Ms. F.'s heart attack damaged one of her papillary muscles. What is the normal function of a papillary muscle? Predict the consequences of a malfunctioning papillary muscle.