Blood Circulation Basics

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Questions and Answers

What is the color of the fluid that circulates inside the cardiovascular system?

  • Reddish (correct)
  • Purplish
  • Clear
  • Yellowish

What is the primary function of blood in the human body?

  • To regulate body temperature
  • To circulate continuously inside the cardiovascular system (correct)
  • To protect the body from external damage
  • To store nutrients and energy

What is the system in which blood circulates continuously?

  • Nervous system
  • Respiratory system
  • Digestive system
  • Cardiovascular system (correct)

What is a characteristic of blood mentioned in the passage?

<p>It is a complex fluid (C)</p> Signup and view all the answers

What is the primary component of plasma by percentage?

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

What percentage of plasma is composed of plasma proteins?

<p>7% (B)</p> Signup and view all the answers

What type of substances are urea and creatinine examples of?

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

What percentage of plasma is composed of solids?

<p>9% (B)</p> Signup and view all the answers

What is the term for the substances that provide nutrition to the cells?

<p>Nutritive substances (C)</p> Signup and view all the answers

What is an excellent acid-base buffer?

<p>Hemoglobin in RBCs (C)</p> Signup and view all the answers

What assists in the transport of CO2?

<p>Carbonic anhydrase enzyme (C)</p> Signup and view all the answers

What is maintained by the blood viscosity?

<p>Arterial blood pressure (D)</p> Signup and view all the answers

What is a function of RBCs?

<p>Influencing blood viscosity (D)</p> Signup and view all the answers

What is the role of RBCs in maintaining blood pressure?

<p>They influence blood viscosity (C)</p> Signup and view all the answers

What is erythropoiesis?

<p>The process of producing new RBCs (A)</p> Signup and view all the answers

What is the result of erythropoiesis?

<p>Production of new RBCs (B)</p> Signup and view all the answers

What is the opposite of erythropoiesis?

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

What is the purpose of erythropoiesis?

<p>To replenish the blood with new RBCs (D)</p> Signup and view all the answers

What is the term for the study of RBC production?

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

What happens to the rate of RBCs formation when O2 supply to the tissues decreases?

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

What is the effect of hypoxia on erythropoiesis?

<p>It accelerates RBC formation (C)</p> Signup and view all the answers

What is the relationship between tissue oxygenation and erythropoiesis?

<p>Decreased oxygenation increases erythropoiesis (B)</p> Signup and view all the answers

What triggers the increase in red blood cell formation?

<p>Decreased oxygen supply to the tissues (C)</p> Signup and view all the answers

How does the body respond to decreased oxygen supply to the tissues?

<p>By increasing the production of red blood cells (C)</p> Signup and view all the answers

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