42 Questions
What are the cellular components of blood known as?
Formed elements
What is the nonliving fluid matrix in which the blood cells are suspended called?
Plasma
Which blood cells transport oxygen?
Erythrocytes
What gives blood its characteristic sticky, opaque fluid with a metallic taste?
Fibrin strands
At what pH level does blood typically exist?
7.35 - 7.45
What is the function of white blood cells in the blood?
Protect the body
How does the color of blood vary depending on oxygen levels?
Scarlet to dark red
What is the primary reason for blood being more dense and viscous than water?
Abundance of formed elements
Which of the following statements about plasma proteins is FALSE?
They are used as fuels or metabolic nutrients by cells
What is the primary function of albumin in the bloodstream?
To carry molecules through the circulation
What percentage of plasma protein is accounted for by albumin?
60%
Which of the following types of molecules is NOT produced by the liver?
Fatty acids
What is the term for the pressure that helps to keep water in the bloodstream?
Osmotic pressure
What is the main difference between plasma proteins and other organic solutes?
Their function in the bloodstream
What is the main difference between blood and other connective tissues?
Specialized living blood cells suspended in a nonliving fluid matrix
Which component of blood is responsible for stopping bleeding?
Platelets
What gives blood its slightly alkaline nature?
pH between 7.35 and 7.45
Which layer of blood contains white blood cells and platelets?
Buffalo coat
How does blood appear under a microscope despite looking homogeneous?
With both cellular and liquid components
What causes the reddish color of blood?
Composition of formed elements
What type of cells are formed elements in blood?
Erythrocytes and leukocytes
Which of the following is the primary reason for blood being more viscous than water?
The presence of formed elements
Which of the following is NOT a function of plasma proteins?
Being used as metabolic nutrients by cells
Which of the following is the primary protein found in plasma?
Albumin
Which of the following is NOT produced by the liver?
Hormones
Which of the following is a function of albumin in the bloodstream?
Acting as a carrier for molecules
Which of the following is a factor that contributes to the plasma osmotic pressure?
The presence of plasma proteins
Which of the following is NOT a component of blood?
Bacteria
What is the color of blood when it is oxygen-poor?
Dark red
What is the fluid matrix in which living blood cells are suspended?
Plasma
What is the reddish layer at the bottom of the tube after spinning blood in a centrifuge primarily composed of?
Erythrocytes
What is the characteristic taste of blood?
Metallic
Which layer of blood contains both white blood cells and platelets?
Buffy coat
What contributes to the density of blood compared to water?
Erythrocytes
What causes the color variation of blood from scarlet to dark red?
Oxygen levels
Why is blood considered more viscous than water?
Due to the higher count of formed elements in blood
Which of the following is responsible for maintaining the plasma osmotic pressure?
Gamma globulins
What is the primary source of most plasma proteins?
Liver
Which plasma protein acts as a carrier to transport certain molecules through the circulation?
Albumin
Why are plasma proteins not typically used by cells as metabolic nutrients?
Because they are heavier than other organic solutes
What percentage of plasma weight do the plasma proteins account for?
8%
Apart from hormones and gamma globulins, what is the primary source of most plasma proteins?
Liver
Test your knowledge on the structure of blood tissue, including its cellular and liquid components, formation of fibrin strands, and blood as a specialized connective tissue. Spin a sample to separate its components and learn more!
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