Multiple Choice
Which of the following monocyte counts in a complete blood count (CBC) would be considered abnormally high (monocytosis) in a healthy adult?
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41. Immune System
Immune System
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Which body system's main function is to protect the body by fighting infection and disease?
A
Respiratory system
B
Immune system
C
Digestive system
D
Endocrine system
Verified step by step guidance1
Identify the main function of each body system listed in the problem: Respiratory system (gas exchange), Digestive system (nutrient breakdown and absorption), Endocrine system (hormone regulation), and Immune system (protection against infection and disease).
Focus on the specific function mentioned in the question: 'protect the body by fighting infection and disease.'
Match this function to the body system responsible for immune responses, such as producing white blood cells, antibodies, and other mechanisms to combat pathogens.
Eliminate the other options by confirming that their primary functions do not align with fighting infection and disease.
Conclude that the Immune system is the correct answer, as it is specifically designed to protect the body from infections and diseases through its complex network of cells, tissues, and organs.
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