After the Examination of an Infant,the Nurse Notes Opisthotonos

After the examination of an infant,the nurse notes opisthotonos.The nurse recognizes that this finding often occurs with:
(This question reflects the results an examiner may find during a complete physical examination.Content in this question is not necessarily addressed directly in Jarvis' Physical Examination & Health Assessment. )

A) cerebral palsy.
B) meningeal irritation.
C) lower motor neuron lesion.
D) upper motor neuron lesion.