A&P 1 Exam 3: Blood Characteristics and Functions
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Questions and Answers

What is the primary function of blood in regulating processes for homeostasis?

  • Transporting vital substances (correct)
  • Distributing heat throughout the body
  • Maintaining interstitial fluid stability
  • Protecting against infection

What is the approximate amount of blood in an adult male?

  • 7 to 8 liters
  • 4 to 5 liters
  • 3 to 4 liters
  • 5 to 6 liters (correct)

Where are formed elements, such as red blood cells and platelets, primarily formed?

  • White bone marrow
  • Red bone marrow (correct)
  • Yellow bone marrow
  • Lymph nodes

What percentage of blood volume is composed of plasma?

<p>55% to 60% (B)</p> Signup and view all the answers

What is the name of the layer that makes up a small percentage of a centrifuged blood sample?

<p>Buffy coat (D)</p> Signup and view all the answers

What is the term for the percentage of red blood cells in a blood sample?

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

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