Which of the Following Choices Is Indicative of Class B

Multiple Choice

Which of the following choices is indicative of class B impairment according to the American Spinal Injury Association (ASIA) ?

A) complete injury with no sensory or motor function preserved in segment S4-S5
B) incomplete: sensory but no motor function preserved below the neurologic level; sensory level extends through segment S4-S5
C) incomplete: motor function preserved below the neurologic level, and the majority of key muscles below the neurologic level have a muscle grade of less than 3.
D) incomplete: motor function preserved below the neurologic level, and the majority of key muscles below the neurologic level have a muscle grade of greater than or equal to 3.