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Blood Components and Characteristics

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Questions and Answers

What is the primary function of platelets in the blood?

To transport oxygen and carbon dioxide

To remove waste products of cell metabolism

To maintain acid-base balance

To form clots and stop bleeding from cut ends of blood vessels (correct)

What is the average lifespan of monocytes in the blood?

Three weeks

Three months

Three days (correct)

Three years

Which of the following blood cells are responsible for transporting oxygen and carbon dioxide?

Neutrophils

Platelets

Red Blood Cells (correct)

Monocytes

What is the size range of platelets?

2-5 microns Signup and view all the answers

Which leukocyte has a bi-lobed nucleus?

Monocyte Signup and view all the answers

What is the primary function of leukocytes?

To defend against infection Signup and view all the answers

Which of the following blood cells are NOT true cells?

Platelets Signup and view all the answers

What is the average number of platelets per cubic millimeter of blood?

150,000-400,000 Signup and view all the answers

Which of the following blood cells is phagocytic?

Monocytes Signup and view all the answers

What is the function of macrophages?

To engulf and digest foreign particles and cell debris Signup and view all the answers