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Red Blood Cells Exam Questions and Answers 2024( A+ GRADED 100% VERIFIED) $11.49   Add to cart

Exam (elaborations)

Red Blood Cells Exam Questions and Answers 2024( A+ GRADED 100% VERIFIED)

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Red Blood Cells Exam Questions and Answers 2024( A+ GRADED 100% VERIFIED)

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  • September 12, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • red blood cells
  • Red Blood Cells
  • Red Blood Cells
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LECTFELICITY
Red Blood Cells
What accounts of 99.9 percent of formed components of blood? - ANS RBC

What is the red pigment in blood? - ANS Hemoglobin

What percentage of plasma is water? - ANS 92 percent

What percent of plasma is protein? - ANS 7 percent

What makes up approximately 1/3 of all cells in the body? - ANS RBC

What is the red blood cell count for men? - ANS 4.5 - 6.3 million/mcL

What is the red blood cell count for women? - ANS 4.2 - 5.5 million/mcL

How many RBCs are in a single drop of blood? - ANS 260 million

How many RBCs are in the blood of an average adult? - ANS 25 trillion

Biconcave disc with a thin central region and a thicker outer margin - ANS RBC

What effect does the shape of RBC have on function? - ANS - Large
surface-area-to-volume ratio
- Enables stacking
- Enables bending and flexing

How does the large surface area of blood cells affect their function? - ANS The
greater the surface area per unit volume, the faster the exchange between interior
of the cell and the surrounding plasma

What is the total surface are of RBCs in an average adult? - ANS About 3800
square meters

Stacks of RBCs - ANS Rouleaux

, How does rouleaux improve the function of RBCs? - ANS Smooth the flow
through narrow blood vessels

Cells that lose most of their organelles, including their nuclei, during
differentiation - ANS RBC

What is the lifespan of a RBC? - ANS 120 days

Why is the lifespan of RBC short? - ANS They cannot divide or synthesize
structural proteins due to a lack of organelles, so they cannot perform repairs

What type of metabolism is used by RBC? - ANS Anaerobic

Have no nuclei, ribosomes, or mitochondria. Retain only cytoskeleton - ANS RBC

What makes up 95 percent of RBC intracellular proteins? - ANS Hemoglobin

Normal Hgb in males - ANS 14 - 18 g/dL

Normal Hgb in females - ANS 12 - 16 g/dL

Have complex quaternary structure - ANS Hgb

Contains two alpha and two beta chains of polypeptides that are globular protein
subunits - ANS Hgb

What do the chains in Hgb resemble? - ANS Myoglobin

What is found within each Hgb chain? - ANS Heme

Nonprotein pigment complex that holds an iron ion - ANS Heme

Oxygen bound to Hgb - ANS Oxyhemoglobin

HbO2 - ANS Oxyhemoglobin

Unbound Hgb - ANS Deoxyhemoglobin

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