An unknown liquid sample is tested for chemical composition….

An unknown liquid sample is tested for chemical composition. You receive the following results: iodine test = yellow; biuret test = blue; Benedict’s test = blue; and brown paper test = non translucent. Which of the following are present in this sample? (Select all that apply)

A posterior cruciate ligament injury is sometimes called a “…

A posterior cruciate ligament injury is sometimes called a “dashboard injury” because it is commonly torn in car accident when your lower leg contacts the dashboard while seated in a position of knee flexion. For reference, the figure at the below shows the orientation of the anterior cruciate ligament (ACL, red) and the posterior cruciate ligament (PCL, blue) in an extended (left) and flexed (right) position. The applied location and direction of force that would cause this injury is: