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Comprehensive Exam: BIOS256

QUESTIONS & ANSWERS Dec 16, 2025 ★★★★★ (5.0/5)
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Comprehensive Exam: BIOS256 /

BIOS 256 (Latest Update 2025 / 2026) Anatomy and Physiology IV with Lab | Questions and Verified Answers | 100% Correct | Grade A - Chamberlain

Question:

What are pyrogens?

Answer:

Chemicals released from pathogens or activated phagocytes that cause the hypothalamus to raise the body temperature set point.

Question:

What are the four cardinal signs of inflammation?

Answer:

Heat (calor), redness (rubor), swelling (tumor), and pain (dolor).

  • / 4

Question:

What is hyperemia in the context of inflammation?

Answer:

An increased blood flow to a given area due to vasodilation and increased capillary permeability.

Question:

What are the two types of adaptive immunity?

Answer:

Cellular (cell-mediated) immunity and humoral (antibody-mediated) immunity.

Question:

What is the primary function of T cells in cellular immunity?

Answer:

To directly attack and destroy foreign cells or diseased host cells.

Question:

How do B cells function in humoral immunity?

Answer:

They employ antibodies that tag pathogens for destruction. 2 / 4

Question:

What is active immunity?

Answer:

The body's own immune system reacts to an antigen and produces long- lasting memory cells.

Question:

What is the difference between natural active immunity and artificial active immunity?

Answer:

Natural active immunity occurs through natural exposure to an antigen, while artificial active immunity is generated through vaccination.

Question:

What is passive immunity?

Answer:

Pre-formed antibodies given to someone else, providing temporary protection.

  • / 4

Question:

What is the role of antibodies in the immune response?

Answer:

They are proteins produced in response to a specific antigen, binding specifically to that antigen.

Question:

What are the five classes of antibodies?

Answer:

IgA, IgD, IgE, IgG, and IgM.

Question:

What is the function of IgA antibodies?

Answer:

They protect mucous membranes and are found in body secretions, preventing pathogen adherence.

  • / 4

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Category: QUESTIONS & ANSWERS
Added: Dec 16, 2025
Description:

Comprehensive Exam: BIOS256 / BIOS 256 (Latest Update) Anatomy and Physiology IV with Lab | Questions and Verified Answers | 100% Correct | Grade A - Chamberlain Question: What are pyrogens? Answer...

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