A driver is holding their left arm out the window and points the hand
down, with the palm facing the vehicles behind it. This means the driver
wants to
A. stop or slow down
B. speed up
C. turn left
D. turn right

A) - Stop or Slow Down

Explanation: All Driving Tests in the United States (Department of Motor Vehicles / DMV) requires all drivers to know their hand signals, this is in case you are on a pedal bike, motor bike, or motor vehicle that has no turn signals or brake signals. So this driver in the question is using his STOP or SLOW DOWN signals via hand signaling.

answer:

c it's motivated by the needs of the patient.