Answer:
The answer is A. Edema of the epiglottis.
Step-by-step explanation:
This small patient who presents with a dog's cough, inspiratory stridor and a prolonged inspiratory phase with a history of nasal congestion and coryza, In the radiographic evaluation is an Edema of Epiglottis. Epiglottitis is characterized by edema and acute inflammation of the epiglottis and supraglottic tissues, with respiratory obstruction that, if not treated promptly, puts the life of the small patient at risk.