A nurse is assessing a client who is taking haloperidol and is experiencing pseudoparkinsonism. Which of the following findings should the nurse document as a manifestation of pseudoparkinsonism?

A. Smacking lips is a sign of tardive dyskinesia, not pseudoparkinsonism. B. Serpentine limb movement is not a typical manifestation of pseudoparkinsonism. C. Nonreactive pupils are not associated with pseudoparkinsonism but may be seen in other neurological conditions. D. A shuffling gait is a classic manifestation of pseudoparkinsonism, a side effect of haloperidol (an antipsychotic medication).