When Performing a Neurologic Assessment of a Male Patient, a Nurse

When performing a neurologic assessment of a male patient, a nurse discovers that shouting and shaking are necessary to arouse the patient enough to assess his neurologic status. After the patient answers questions about who he is and squeezes the nurse's hand as requested, he returns to "sleep." How does the nurse document this patient's level of consciousness?

A) Lethargic
B) Obtunded
C) Stuporous
D) Semicomatose