A Patient Admitted to the Emergency Department Is Diagnosed with Botulism

A patient admitted to the emergency department is diagnosed with botulism poisoning,and botulinum antitoxin is to be administered.Before administration of the antitoxin,what should the nurse do?

A) Obtain baseline vital signs.
B) Administer an intradermal test dose.
C) Ask the patient about a history of allergies.
D) Document the presence of neurological symptoms.