Two hours after the second injection of haloperidol, a client complains to the nurse of...

(A) Stiff neck is consistent with a dystonic reaction, but the client has no symptoms of drooling, shuffling gait, or pill-rolling movements characteristic of parkinsonism. (B) Stiff neck is consistent with a dystonic reaction, and inability to sit still with varying degrees of psychomotor agitation is characteristic of akathisia. (C) The client has symptoms of dystonia but not of parkinsonism. (D) The client has none of the characteristic symptoms of neuroleptic malignant syndrome: hyperpyrexia, generalized muscle rigidity, mutism, obtundation, agitation, sweating, increased blood pressure and pulse.