Emergency Medical Technician (EMT) Intermediate Practice Exam

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Prepare for your EMT Intermediate Test. Study with detailed flashcards and multiple-choice questions, each featuring hints and explanations. Ace your exam!

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During what process do phagocytes engulf pathogens?

Inhalation
Phagocytosis
Absorption
Secretion

The correct answer is: Phagocytosis

Phagocytosis is the process in which phagocytes engulf pathogens, such as bacteria and viruses, to eliminate them from the body. This immune response is crucial for the maintenance of health, as it allows the body to identify and destroy foreign invaders that could cause disease. During phagocytosis, phagocytes, which include types of white blood cells like macrophages and neutrophils, recognize harmful particles or cells, surround them, and then engulf them into a compartment called a phagosome. This phagosome then fuses with a lysosome, an organelle containing digestive enzymes, allowing the pathogens to be broken down and destroyed. This process is essential for the innate immune response and plays a significant role in inflammation and the body's defense mechanisms. Other options such as inhalation, absorption, and secretion refer to different biological processes that do not involve the engulfing and destruction of pathogens.