Final answer:
Influenza is not considered a chronic disease; it is an acute disease with a rapid onset and short duration, unlike the other chronic conditions listed. Therefore, the correct answer is d.
Step-by-step explanation:
The disease from the options provided that is not considered a chronic disease is d. influenza. Chronic diseases are long-term health conditions that may last for years or be lifelong and often require ongoing medical attention or limit activities of daily living.
Examples of chronic diseases include hypertension (high blood pressure), diabetes, and asthma. In contrast, influenza is an acute disease, characterized by a rapid onset and typically short duration. It's marked by symptoms such as fever, cough, and congestion, amongst others, and usually resolves within a week or two.