A Patient Is Diagnosed with a Type IV Delayed Hypersensitivity

A patient is diagnosed with a type IV delayed hypersensitivity reaction. Which patient reaction is an example of this type of reaction?

A) The patient's hands are dry, red, swollen, and itchy after wearing a latex costume to a party 2 days ago.
B) The patient is light-headed and complains of nausea after being stung by a wasp.
C) The patient develops rash and joint pain a week after taking penicillin.
D) The patient goes into shock after receiving a unit of blood.