Complications of Immunotherapy — MCQs

A 45-year-old patient with a known allergy to penicillin presents with an enterococcal endocarditis. The physician needs to prescribe an antibiotic but wants to ensure it is safe for a penicillin allergy. The patient has had previous allergic reactions to penicillin including rash & swelling. Which of the following drugs can be used safely in a patient allergic to penicillin?

A patient comes to you with skin reactions after visiting the hair dresser. What will you do to confirm the diagnosis of contact dermatitis?

Allograft rejection is an example of which type of hypersensitivity reaction?

Skin erythema dose is:

Which condition is characterized by conjunctival injection, pharyngeal injection, polymorphic rash, and cervical lymphadenopathy?

Which of the following is false regarding transfusion-associated anaphylactic reactions?

Which of the following are early mediators of allergic rhinitis?

A 29-year-old non-smoker man presents with sneezing, post-nasal drip, eye watering, and itching of his posterior pharynx. These symptoms tend to be worse in the spring and summer and have been bothering him for about 1 month. His past medical history is remarkable only for mild asthma induced by being outdoors. He takes no regular medications but does take diphenhydramine on occasion. What is the most appropriate diagnostic test at this time?

Which of the following is NOT a second-generation antihistamine used in allergic rhinitis?

All are correct about the technique of administration of intranasal steroids for severe allergic rhinitis EXCEPT: