26 Questions
What is the primary function of blood?
Transporting dissolved gases, nutrients, hormones, and metabolic waste
What are the primary components of blood?
Erythrocytes, leukocytes, and platelets
What appears during clotting in blood?
Fibrin threads
Which component of blood is responsible for restricting fluid loss at the injury site?
Plasma
What is the approximate volume of blood in an adult human?
$5$ liters
What is the specific gravity of blood?
$7.35-7.45$
What is the primary function of albumin in the blood?
Contributes to plasma osmotic pressure
What is the role of fibrinogen in the blood clotting process?
It is inactive and water-soluble, then converted into fibrin which is water insoluble
Which of the following is a function of immunoglobulins in the blood?
Antibodies that target specific pathogenic microbes
What are the primary blood gases found in the plasma?
Oxygen and carbon dioxide
Which of the following is an example of a nonprotein nitrogenous substance found in the blood?
Amino acids
What is the main function of ions and electrolytes in the plasma?
Regulation of fluid balance and electrical signaling
Which of the following is a primary component of plasma nutrients?
Macromolecules absorbed from the digestive tract
What is the major function of fibrin in the blood clotting process?
'Fibrin' helps in forming blood clots by being water insoluble
What is the primary role of sodium and chloride ions in the blood?
'Sodium' and 'chloride' are the most abundant ions and help regulate fluid balance and electrical signaling
What is the main function of buffer in the blood?
Acts as an acid or base to minimize fluctuations in pH
Which substance acts as an acid or base to minimize fluctuations in pH in the blood?
Albumin
What is the primary function of fibrinogen in the blood clotting process?
Forming water-soluble fibers
What is a common function of immunoglobulins in the blood?
Targeting specific pathogenic microbes
Which component of the blood is responsible for contributing to plasma osmotic pressure?
Albumin
What is the primary function of ions and electrolytes in the plasma?
Regulating fluid balance and electrical activity
Which of the following is an example of a nonprotein nitrogenous substance found in the blood?
Urea
What are the primary blood gases found in the plasma?
$O_2$ and $CO_2$
'Soluble' means that a substance:
Dissolves in water
'Nonprotein nitrogenous substances' in the blood include:
$Urea, uric acid, creatine, creatinine$
'Macromolecules absorbed from the digestive tract' are examples of:
Carbohydrates, lipids, fats, nucleic acids
Test your knowledge about the specialized connective tissue called blood and its functions including transportation of substances, regulation of pH, defense against pathogens, and temperature stabilization.
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