The student nurse is performing a Babinski reflex test in a client to assess his or her neurologic ...

The student nurse is performing a Babinski reflex test in a client to assess his or her neurologic system. Which is the correct interpretation by the student nurse?
 
  1. A negative Babinski reflex indicates an upper motor neuron disorder.
  2. A positive Babinski reflex, where the client has flaring of the toes in response to stimulation of the sole of the foot, indicates an upper motor neuron disorder.
  3. A positive Babinski reflex occurs when the toes of the client flex inward upon stimulation of the sole of the foot.
  4. A negative Babinski reflex occurs when there is flaring of the toes in response to stimulation of the sole of the foot.