After the Administration of an Iodine-Based Contrast into a Patient,it

After the administration of an iodine-based contrast into a patient,it is important for the technologist to observe the patient for

A) signs of a reaction such as a metallic taste in the mouth,cold extremities,and bladder swelling.
B) urticaria,nausea,shortness of breath,tightening in the throat,and cardiac arrest.
C) blurred vision,syncope,and epistaxis.
D) excessive salivation,dry eyes,and nasal dryness.