10 Questions
What percentage of the blood volume is composed of fluid?
55%
What is the approximate percentage of red blood cells (RBCs) in the blood volume?
55%
Which of the following blood components makes up the smallest percentage of the blood volume?
White blood cells (WBCs)
What is the combined percentage of red and white blood cells in the blood volume?
90.5%
Which of the following statements is true about the blood volume composition?
The cellular portion is greater than the fluid portion.
What is the relative proportion of red blood cells to white blood cells in the blood volume?
RBCs are 5 times more abundant than WBCs
What can be inferred about the density of red blood cells compared to the fluid component of blood?
RBCs are denser than the fluid component
What is the consequence of a significant increase in the proportion of white blood cells in the blood volume?
Increased blood viscosity
What is the likely effect of a decrease in the fluid component of blood on the ratio of red to white blood cells?
The ratio of RBCs to WBCs increases
What is the implication of the relative proportions of red and white blood cells in the blood volume on immune function?
The ratio of RBCs to WBCs influences immune cell trafficking
Study Notes
Blood Composition
- Blood volume is composed of 45% fluid.
- Red blood cells (RBCs) make up 45% of blood volume.
- White blood cells (WBCs) are a minor component of blood volume, with a significantly smaller percentage than RBCs.
Review questions for ANE 742 Immunology course, covering various concepts and topics related to immunology.
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