Distinguishing Between a Knee Dislocation and a Patella Dislocation Can

Distinguishing between a knee dislocation and a patella dislocation can sometimes be difficult.Which of the following statements is NOT true?

A) In a patellar dislocation, the knee will be stuck in flexion but the knee cap will not be displaced.
B) In a knee dislocation, the tibia is forced anteriorly or posteriorly in relation to the distal femur.
C) You should always check for a distal pulse.
D) The lack of a distal pulse could be a signal of a real emergency.