A Patient Is Exposed a Second Time to an Antigen

A patient is exposed a second time to an antigen and subsequently seeks medical attention with sudden shortness of breath, chest pain, fever, chills, malaise, and a cough that may be productive of purulent sputum. What is the most likely cause of this pathology?

A) acute anaphylactic shock
B) acute hypersensitivity pneumonitis
C) allergic congestive heart failure
D) bronchial asthma

Correct Answer:

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