Blood Composition and Functions

Dr. Mike explains the components and functions of blood, including plasma, proteins, and cells. He discusses the importance of maintaining blood pH, the role of albumin in osmotic pressure, and the significance of hematocrit levels. The video also covers the composition of the buffy coat and the functions of leukocytes and thrombocytes.

What is the normal pH range of human blood?

• 7.35 to 7.45

• 8.0 to 8.5

• 6.5 to 7.0

• 7.5 to 8.0

What percentage of body weight is made up of blood?

• 12%

• 10%

• 8%

• 5%

Which type of tissue is blood classified as?

• Muscle

• Connective

• Epithelial

• Nervous

What is the primary component of blood plasma?

• Solutes

• Water

• Proteins

• Cells

Which protein in blood is crucial for maintaining osmotic pressure?

• Globulin

• Fibrinogen

• Hemoglobin

• Albumin

What is the main function of leukocytes?

• Transport oxygen

• Immune response

• Temperature regulation

• Clotting

Which mnemonic helps remember the types of leukocytes?

• Cats And Dogs

• Always Be Careful

• Eat Sleep Repeat

• Never Let Monkeys Eat Bananas

What is the primary role of erythrocytes?

• Gas transport

• Clotting

• Nutrient absorption

• Immune defense

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

• Hematocrit

• Plasma volume

• Buffy coat

• Serum level

What condition might be indicated by a low hematocrit level?

• Thrombocytopenia

• Leukemia

• Anemia

• Polycythemia