Economy-Class Syndrome Is a Condition That Develops After Long Plane

Economy-class syndrome is a condition that develops after long plane rides in which individuals are seated in a cramped position with little leg room. Based on your knowledge of the cardiovascular system, which of the following might be a consequence of this syndrome?

A) increased risk for heart attack
B) increased risk for thrombosis
C) increased risk for developing hypertension
D) increased risk for swelling in the brain