Blood Viscosity and Transport Functions Quiz
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Questions and Answers

Which plasma protein has the highest molecular weight?

  • Globulins
  • Prothrombin
  • Albumin
  • Fibrinogen (correct)

Where are the gamma globulins synthesized?

  • Kidneys
  • Plasma cells in lymphatic tissues (correct)
  • Bone marrow
  • Liver

Which condition leads to a decrease in the Albumin-Globulin Ratio (A/G ratio)?

  • Congenital agamma albuminemia
  • Advanced liver disease
  • Renal diseases
  • Severe infections (correct)

During which condition do tissue proteins act as a source for plasma proteins?

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

Which plasma protein is primarily responsible for regulating blood volume and interstitial fluid formation?

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

What is the main consequence of decreased A/G ratio due to liver disease?

<p>Decreased formation of globulins (C)</p> Signup and view all the answers

What is the main function of blood in the body?

<p>Acting as a carrier medium for substances and hormones (A)</p> Signup and view all the answers

Which component of blood is responsible for the stoppage of bleeding when a blood vessel is injured?

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

What is the role of white blood cells in blood?

<p>Defending against micro-organisms (B)</p> Signup and view all the answers

Which type of plasma protein is subdivided into categories such as alpha and beta globulins?

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

How does blood help in maintaining the internal environment of the body?

<p>By continuous exchange of substances between blood and interstitial fluid (D)</p> Signup and view all the answers

Which of the following is NOT a function of blood?

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

What is the main cause of blood viscosity?

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

Why is plasma protein important in preventing rapid loss of substances in urine?

<p>They have a large molecular size and cannot be easily filtered (B)</p> Signup and view all the answers

What is the function of plasma proteins in transporting lipids and free fatty acids?

<p>They make lipids miscible with water (D)</p> Signup and view all the answers

What happens when bone marrow is destroyed by irradiation, chemicals, or toxins?

<p>Deficiency of all blood cells (D)</p> Signup and view all the answers

Where is 10% of erythropoietin formed in the body?

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

What is the main component for the formation of the globin portion of hemoglobin?

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

What is the main function of red blood corpuscles (RBCs)?

<p>Carry oxygen from the lungs to the tissues (A)</p> Signup and view all the answers

Which enzyme found in red blood corpuscles helps in transporting CO2 from tissues to lungs?

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

What is the role of hemoglobin in the blood?

<p>Act as an acid-base buffer (C)</p> Signup and view all the answers

What is the average hemoglobin concentration in adult men?

<p>15-16 gm/dl (A)</p> Signup and view all the answers

Which part of hemoglobin combines with oxygen molecules?

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

Why are red blood corpuscles not considered true cells?

<p>They lack nuclei (D)</p> Signup and view all the answers

Which type of hemoglobin represents the main hemoglobin in the fetus?

<p>Hb F (2 α + 2 γ chains) (C)</p> Signup and view all the answers

What leads to certain types of anemia such as thalassemia?

<p>Decreased or absent α or β chains (D)</p> Signup and view all the answers

Which type of hemoglobin has greater affinity to O2 than Hb A?

<p>Hb F (2 α + 2 γ chains) (C)</p> Signup and view all the answers

What is the most important feature of hemoglobin?

<p>Ability to combine reversibly with Fe++ in the Heme (B)</p> Signup and view all the answers

Which abnormality results from abnormal production of α or β chains due to gene mutation?

<p>Sickle cell anemia (A)</p> Signup and view all the answers

What is the classification of Hb A2 based on its polypeptide chains?

<p>2 α + 2 δ chains (D)</p> Signup and view all the answers

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