Blood Transfusions: Compatibility and Blood Types
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Questions and Answers

Which component of blood is responsible for maintaining blood osmotic pressure?

  • Albumins (correct)
  • Globulins
  • Neutrophils
  • Fibrinogen

Which type of white blood cell is primarily involved in immunity through antibodies production?

  • Neutrophils
  • Lymphocytes (correct)
  • Eosinophils
  • Monocytes

What is the main function of Fibrinogen in the blood?

  • Maintain blood osmotic pressure
  • Facilitate blood clotting (correct)
  • Produce antibodies
  • Carry oxygen

Which component of blood is mainly responsible for carrying out the process of phagocytosis?

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

Which formed element of blood is crucial for blood clotting?

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

What is the average lifespan of erythrocytes (RBCs)?

<p>120 days (A)</p> Signup and view all the answers

Where are old or damaged RBCs destroyed?

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

What happens to the iron from the breakdown of heme in RBCs?

<p>Transported to red bone marrow to synthesize hemoglobin (D)</p> Signup and view all the answers

What stimulates the release of erythropoietin by the kidneys?

<p>Hypoxia (cellular oxygen deficiency) (D)</p> Signup and view all the answers

During erythropoiesis, what happens when a proerythroblast becomes a reticulocyte?

<p>It ejects its nucleus (D)</p> Signup and view all the answers

What is the main function of transferrin in the process of RBC formation?

<p>Transport iron from heme to red bone marrow (D)</p> Signup and view all the answers

Which blood type is considered a universal recipient?

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

Which blood type is considered a universal donor?

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

What happens when incompatible blood is transfused into a recipient?

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

How does the Rh factor influence blood transfusions?

<p>Triggers an immune response (A)</p> Signup and view all the answers

When does hemolytic disease of the newborn occur?

<p>When a pregnant Rh– woman carries an Rh+ fetus (A)</p> Signup and view all the answers

Why is cross-matching important in blood transfusions?

<p>To prevent mismatches (B)</p> Signup and view all the answers

What is the function of B cells?

<p>Produce antibodies effective on bacteria (D)</p> Signup and view all the answers

Which type of WBC can live for several months or years?

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

What is a characteristic of monocytes?

<p>Migrate into tissues and differentiate into macrophages (D)</p> Signup and view all the answers

Why is differential white blood cell count important?

<p>To determine the percentage of each type of WBC in the blood (B)</p> Signup and view all the answers

Which type of WBC is responsible for phagocytosis of microbes?

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

What is a characteristic of T cells?

<p>Combat viruses, fungi, transplanted cells, cancer cells, and some bacteria (B)</p> Signup and view all the answers

What is the role of fibrinolysis in the body?

<p>To dissolve small, inappropriate clots (B)</p> Signup and view all the answers

Which of the following is true about anticoagulants?

<p>They suppress or prevent clotting (C)</p> Signup and view all the answers

What can lead to thrombosis in blood vessels?

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

What happens when a thrombus becomes an embolus?

<p>It dislodges and travels in the blood (A)</p> Signup and view all the answers

How do positive feedback cycles affect clotting in blood vessels?

<p>Enlarging clots and potentially blocking undamaged vessels (B)</p> Signup and view all the answers

What is the role of heparin in the body's clotting mechanisms?

<p>Blocking the action of clotting factors (D)</p> Signup and view all the answers

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