Which of the following is classified as a noninfectious disease?

Rationale

Psoriasis is classified as a noninfectious disease.

Psoriasis is a chronic autoimmune condition that affects the skin, causing red, scaly patches. Unlike infectious diseases, which are caused by pathogens and can be transmitted from person to person, noninfectious diseases arise from genetic, environmental, or lifestyle factors.

A (Dengue) YOUR ANSWER

Dengue is a viral infection transmitted by mosquitoes, causing flu-like symptoms and severe complications in some cases. As an infectious disease, it spreads through the bite of an infected mosquito, making it highly contagious in endemic regions.

B (Psoriasis) CORRECT

Psoriasis is a noninfectious autoimmune disease characterized by an overactive immune response that leads to skin cell proliferation. This condition is not caused by infections and cannot be transmitted between individuals, distinguishing it as a noninfectious disease.

C (Chikungunya) YOUR ANSWER

Chikungunya is another viral disease transmitted by mosquitoes, leading to fever and severe joint pain. Similar to dengue, it is transmissible and classified as an infectious disease due to its vector-borne nature.

D (Brucellosis) YOUR ANSWER

Brucellosis is an infectious disease caused by bacteria from the Brucella genus, often associated with livestock. It can be contracted through unpasteurized dairy products or direct contact with infected animals, thus classifying it as an infectious disease.

Conclusion

Noninfectious diseases, such as psoriasis, are distinct from infectious diseases, which are caused by pathogens and can be spread between individuals. Psoriasis is rooted in autoimmune dysfunction rather than infection, while dengue, chikungunya, and brucellosis are all infectious diseases that involve transmission through vectors or direct contact. Understanding these classifications helps in developing appropriate prevention and treatment strategies.

Which of the following is classified as a noninfectious disease?

Psoriasis is classified as a noninfectious disease.

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