Blood Tissue and Its Functions Quiz

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Questions and Answers

What is the primary function of blood?

  • Regulating the pH and ion composition of interstitial fluids
  • Stabilizing body temperature
  • Preventing infections and defending against pathogens
  • Transporting dissolved gases, nutrients, hormones, and metabolic waste (correct)

What are the primary components of blood?

  • Plasma and formed elements
  • Erythrocytes, leukocytes, and platelets (correct)
  • Fibrinogen, fibrin threads, and ground substance
  • Water, ions, proteins, and dissolved gases

What appears during clotting in blood?

  • Erythrocytes
  • Leukocytes
  • Fibrin threads (correct)
  • Platelets

Which component of blood is responsible for restricting fluid loss at the injury site?

<p>Plasma (B)</p> Signup and view all the answers

What is the approximate volume of blood in an adult human?

<p>$5$ liters (B)</p> Signup and view all the answers

What is the specific gravity of blood?

<p>$7.35-7.45$ (C)</p> Signup and view all the answers

What is the primary function of albumin in the blood?

<p>Contributes to plasma osmotic pressure (C)</p> Signup and view all the answers

What is the role of fibrinogen in the blood clotting process?

<p>It is inactive and water-soluble, then converted into fibrin which is water insoluble (C)</p> Signup and view all the answers

Which of the following is a function of immunoglobulins in the blood?

<p>Antibodies that target specific pathogenic microbes (A)</p> Signup and view all the answers

What are the primary blood gases found in the plasma?

<p>Oxygen and carbon dioxide (B)</p> Signup and view all the answers

Which of the following is an example of a nonprotein nitrogenous substance found in the blood?

<p>Amino acids (C)</p> Signup and view all the answers

What is the main function of ions and electrolytes in the plasma?

<p>Regulation of fluid balance and electrical signaling (C)</p> Signup and view all the answers

Which of the following is a primary component of plasma nutrients?

<p>Macromolecules absorbed from the digestive tract (B)</p> Signup and view all the answers

What is the major function of fibrin in the blood clotting process?

<p>'Fibrin' helps in forming blood clots by being water insoluble (C)</p> Signup and view all the answers

What is the primary role of sodium and chloride ions in the blood?

<p>'Sodium' and 'chloride' are the most abundant ions and help regulate fluid balance and electrical signaling (B)</p> Signup and view all the answers

What is the main function of buffer in the blood?

<p>Acts as an acid or base to minimize fluctuations in pH (A)</p> Signup and view all the answers

Which substance acts as an acid or base to minimize fluctuations in pH in the blood?

<p>Albumin (A)</p> Signup and view all the answers

What is the primary function of fibrinogen in the blood clotting process?

<p>Forming water-soluble fibers (B)</p> Signup and view all the answers

What is a common function of immunoglobulins in the blood?

<p>Targeting specific pathogenic microbes (A)</p> Signup and view all the answers

Which component of the blood is responsible for contributing to plasma osmotic pressure?

<p>Albumin (B)</p> Signup and view all the answers

What is the primary function of ions and electrolytes in the plasma?

<p>Regulating fluid balance and electrical activity (C)</p> Signup and view all the answers

Which of the following is an example of a nonprotein nitrogenous substance found in the blood?

<p>Urea (D)</p> Signup and view all the answers

What are the primary blood gases found in the plasma?

<p>$O_2$ and $CO_2$ (D)</p> Signup and view all the answers

'Soluble' means that a substance:

<p>Dissolves in water (D)</p> Signup and view all the answers

'Nonprotein nitrogenous substances' in the blood include:

<p>$Urea, uric acid, creatine, creatinine$ (A)</p> Signup and view all the answers

'Macromolecules absorbed from the digestive tract' are examples of:

<p>Carbohydrates, lipids, fats, nucleic acids (B)</p> Signup and view all the answers

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