Composition and Functions of Blood — Flashcards

Flashcard 1: What is the formula for calculating Blood volume from Plasma volume and hematocrit?_____

Answer: Blood Volume = Plasma Volume / (1 - Hematocrit)

Extra: Hematocrit (Hct) represents the fraction of total blood volume occupied by red blood cells. Formula derivation: Plasma Volume = Blood Volume × (1 - Hct) Therefore, Blood Volume = Plasma Volume / (1 - Hct)

Flashcard 2: The earliest stage at which erythropoietin is effective in red blood cell formation is the _____

Answer: burst forming units

Flashcard 3: The clotting pathway is kicked off in the body by _____.

Answer: tissue factor

Flashcard 4: A normal WBC count is approximately _____ - 11,000/µL

Answer: 4,000

Flashcard 5: Which white blood cells can be elevated in patients of polycythemia vera?_____

Answer: Basophils and eosinophils

Flashcard 6: The percent of blood volume occupied by RBCs is called the _____, which averages 45%

Answer: hematocrit

Flashcard 7: Which blood type does not have any group antigens on RBC surfaces?

Answer: Type O

Flashcard 8: What unique antibodies in plasma do patients with the A blood type have? _____

Answer: Anti-B (IgM)

Flashcard 9: What is the formula for calculating Blood volume from Plasma volume and hematocrit?

Answer: Blood volume = Plasma volume / (1 - Hematocrit)

Flashcard 10: Patients with the B blood type cannot receive which blood types?

Answer: A and AB