Blood Functions and Composition: 10th Grade Assessment

Which condition is characterized by a blockage in the bloodstream?

• Anemia
• Embolism
• Thrombocytopenia
• Leukopenia

What percentage of total blood volume is composed of plasma?

• 45%
• 55%
• 65%
• 35%

Which vitamin deficiency is a common cause of anemia?

• Vitamin A
• Vitamin B12
• Vitamin C
• Vitamin D

What condition is characterized by a lack of enough red blood cells or hemoglobin?

• Leukemia
• Anemia
• Hemophilia
• Thrombosis

What is an embolism?

• A type of blood cancer
• A blockage caused by a blood clot or other material traveling through the bloodstream
• A deficiency in red blood cells
• An overproduction of white blood cells

What percentage of plasma is water?

• 92%
• 85%
• 78%
• 95%

What is the main function of white blood cells?

• Transport oxygen
• Form clots
• Defend against infections
• Maintain blood pressure

What triggers the vascular spasm during hemostasis?

• Fibrin release
• Serotonin release
• Platelet activation
• Thrombin activation

Which process is essential for the maturation of red blood cells?

• Hemostasis
• Erythropoiesis
• Thrombopoiesis
• Leukopoiesis

How long is the typical lifespan of red blood cells?

• 60 days
• 120 days
• 30 days
• 90 days