Innate Immunity and Host Defense Quiz

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Questions and Answers

What is the fluid matrix in which living blood cells are suspended?

  • Extracellular fluid
  • Red bone marrow
  • Plasma (correct)
  • Lymph

What is the term for blood cell formation?

  • Hematopoiesis (correct)
  • Leukocytosis
  • Hemoglobinosis
  • Erythropoiesis

What is the function of leukocytes in the body's immune system?

  • Transport of oxygen
  • Production of antibodies
  • Blood clotting
  • Surveillance and recognition of foreign material (correct)

Which cells are the only formed elements that are complete cells containing nuclei and organelles?

<p>Leukocytes (A)</p> Signup and view all the answers

What is responsible for providing long-term immunity as each foreign substance is encountered by lymphocytes?

<p>Memory (A)</p> Signup and view all the answers

Flashcards

What is plasma?

The liquid component of blood in which blood cells are suspended.

What is hematopoiesis?

The process of creating new blood cells within the bone marrow.

What do leukocytes do?

Immune cells that identify and attack foreign invaders, like bacteria and viruses.

Which blood cells are complete cells?

Leukocytes are the only blood cell type that contains a nucleus and other organelles.

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How do lymphocytes provide long-term immunity?

Lymphocytes create a 'memory' of past infections, making future responses faster and stronger.

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Study Notes

Blood Components

  • Plasma is the fluid matrix in which living blood cells are suspended.

Hematopoiesis

  • Hematopoiesis is the term for blood cell formation.

Leukocytes and Immunity

  • Leukocytes, also known as white blood cells, play a crucial function in the body's immune system.

Formed Elements

  • Only leukocytes are complete cells containing nuclei and organelles.

Immune Response and Memory

  • Lymphocytes are responsible for providing long-term immunity as each foreign substance is encountered.

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