Anatomy and Physiology II Practice Test

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Prepare for the Anatomy and Physiology II Exam with engaging quizzes. Study with flashcards and detailed questions, accompanied by explanations. Ensure your readiness for the test and boost your confidence to succeed!

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Phagocytosis of bacteria is classified under which type of immunity?

Specific immunity
Non-specific immunity
Adaptive immunity
Innate immunity

The correct answer is: Non-specific immunity

Phagocytosis of bacteria is considered part of non-specific immunity because it is a fundamental immune response that does not target specific pathogens. In this type of immunity, cells such as macrophages and neutrophils engulf and digest bacteria and other foreign particles as a first line of defense. This process is critical in the initial response to infection and functions regardless of the type of pathogen involved. Non-specific immunity encompasses physical barriers like skin and mucous membranes, as well as various immune cells that provide a broad-spectrum response to a wide range of invaders. Unlike specific or adaptive immunity, which involves targeted responses and the formation of memory cells for future encounters with the same pathogen, non-specific immunity operates immediately upon infection without prior exposure to the pathogen. This makes it an essential component of the body's overall defense mechanism against a variety of infectious agents.