Suppose Andrea Is Taking Just Two Courses and Is at a Point

question 88

Multiple Choice

Suppose Andrea is taking just two courses and is at a point on her PPF of grades for those two courses. Now this PPF shifts inward and Andrea moves to a point on the new PPF. Then it is impossible for

• A) both of her grades to fall.
• B) both of her grades to rise.
• C) one of her grades to rise and the other grade to fall.
• D) one of her grades to fall while the other grade stays constant.

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Definitions:

End-Systolic Volume

The volume of blood remaining in each ventricle of the heart after systole, the contraction phase.

End-Diastolic Volume

The volume of blood in the ventricles at the end of diastole, immediately before contraction, reflecting the amount of blood ready to be pumped out of the heart.

Left Ventricular Pressure

The pressure generated in the left ventricle of the heart during its contraction.

Aortic Semilunar Valve

A valve located between the left ventricle of the heart and the aorta that prevents backflow of blood into the heart during the heart's relaxation phase.