Biology 2 BLOOD 2023-2024 Lecture Quiz

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Questions and Answers

Where does hemoglobin bind oxygen?

  • Where oxygen concentration is high (correct)
  • Hemoglobin does not bind oxygen
  • Where oxygen concentration is moderate
  • Where oxygen concentration is low

What is the name of the compound formed when hemoglobin binds with oxygen?

  • Oxyhemoglobin (correct)
  • Carbonic anhydrase
  • Erythropoiesis
  • Deoxyhemoglobin

Which organ is responsible for the majority of erythropoietin production?

  • Spleen
  • Liver
  • Kidney (correct)
  • Bone marrow

Where does red blood cell production occur during early embryonic life?

<p>Yolk sac (C)</p> Signup and view all the answers

What is the main stimulus for hematopoiesis (red blood cell production)?

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

What is the condition called when a person becomes anemic due to kidney damage, as the liver cannot produce enough erythropoietin?

<p>Renal anemia (C)</p> Signup and view all the answers

What is the approximate percentage of water in whole blood?

<p>91.5% (C)</p> Signup and view all the answers

Which of the following is NOT a component of plasma?

<p>Red blood cells (B)</p> Signup and view all the answers

What is the normal range for the number of white blood cells (WBCs) in the human body?

<p>4,000 - 11,000 (C)</p> Signup and view all the answers

Which type of white blood cell makes up the highest percentage in the human body?

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

What is the approximate pH range of human blood?

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

What is the approximate temperature of human blood in degrees Celsius?

<p>38°C (A)</p> Signup and view all the answers

What is the primary function of red blood cells?

<p>Transport oxygen from the lungs to body cells (B)</p> Signup and view all the answers

What is the average range of red blood cell count in new born infants?

<p>6 - 8 million/mm3 (D)</p> Signup and view all the answers

What occurs in Polycythaemia?

<p>An increase in red blood cell count (C)</p> Signup and view all the answers

What is the function of carbonic anhydrase in red blood cells?

<p>Transport of CO2 in the blood (D)</p> Signup and view all the answers

What is the significance of Mean Corpuscular Hemoglobin Concentration (MCHC)?

<p>It indicates the amount of hemoglobin in each red blood cell (C)</p> Signup and view all the answers

What does a normochromic red blood cell imply?

<p>Normal shape and size (B)</p> Signup and view all the answers

What is the main organ responsible for the destruction of old red blood cells?

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

Which term describes the condition characterized by abnormally low oxygen-carrying capacity in the blood due to a reduction in red blood cells?

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

Why are white blood cells called 'white' blood cells?

<p>Due to lacking hemoglobin and being colorless (D)</p> Signup and view all the answers

What is the normal range of white blood cells (WBCs) count in the body?

<p>4000 - 11000/mm3 (B)</p> Signup and view all the answers

Which type of white blood cell is responsible for phagocytosis of invading pathogens like bacteria?

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

What is the term used to describe the process of identifying and destroying cancer cells by white blood cells?

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

What is the correct classification of blood?

<p>Blood is a specialized fluid (A)</p> Signup and view all the answers

Which of the following is NOT a cellular component of blood?

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

What is the primary function of erythrocytes (red blood cells)?

<p>Transporting oxygen and carbon dioxide (A)</p> Signup and view all the answers

Which of the following is NOT a function of leukocytes (white blood cells)?

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

What is the primary role of thrombocytes (platelets) in the blood?

<p>Initiating blood clotting (D)</p> Signup and view all the answers

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