Blood Clotting Process Overview
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Questions and Answers

What is the primary pigment in red blood cells?

  • Bilirubin
  • Hemoglobin (correct)
  • Albumin
  • Fibrinogen

    • What is the normal pH range of blood in the human body?

  • 8.5 - 9.0
  • 6.0 - 7.0
  • 7.6 - 8.0
  • 7.35 - 7.46 (correct)

    • What are the components of hemoglobin?

  • 4 Globin's and 1 Hem
  • 4 Hem's and 4 Globin's (correct)
  • 2 Hem's and 2 Globin's
  • 4 Hem's and 1 Globin

    • Which of the following components is NOT part of the Buffy Coat of centrifuged blood?

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

    Which color is associated with oxygenated hemoglobin?

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

    What percentage of whole blood do Erythrocytes (RBC) make up?

    <p>42% - 48% (A)</p> Signup and view all the answers

    What hormone is produced by the kidneys in response to hypoxia?

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

    Which component is responsible for building blood cells from Hemocytoblasts?

    <p>Red Bone Marrow (D)</p> Signup and view all the answers

    What is the primary stimulus for enhanced erythropoiesis?

    <p>Hypoxia (Low O2) (B)</p> Signup and view all the answers

    What happens if the Hematocrit (HCT) values in the blood start to rise?

    <p>Makes the heart work harder (C)</p> Signup and view all the answers

    Which blood type is considered the universal recipient?

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

    What antigens are present in blood type B-?

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

    Which statement about leukocytes is NOT true?

    <p>Normal leukocyte count is above 10,000 per mm3. (A)</p> Signup and view all the answers

    What antibodies does blood type A+ have?

    <p>Anti-B, Anti-Rh (B)</p> Signup and view all the answers

    What is the function of neutrophils?

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

    Which type of white blood cell contains granules in its cytoplasm and is known as an 'acid lover'?

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

    Which white blood cell type is essential for lessening allergic reactions and fighting off parasitic worms?

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

    Which cell is characterized by having a kidney or U-shaped nucleus and plays a role in cleanup post-infection?

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

    What is the mnemonic device used to remember the order of Leukocytes from most to least common?

    <p>Never Let Monkeys Eat Bananas (B)</p> Signup and view all the answers

    What is the formation of platelets called?

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

    What is the role of the spleen in relation to erythrocyte death?

    <p>Digesting erythrocytes using macrophages (A)</p> Signup and view all the answers

    Which process occurs after an erythrocyte becomes trapped in the spleen?

    <p>Hemoglobin is broken down into amino acids, iron, and bilirubin (C)</p> Signup and view all the answers

    What enzyme converts Plasminogen to Plasmin to digest fibrin during thrombolysis?

    <p>Tissue Plasminogen Activator (A)</p> Signup and view all the answers

    Which type of anemia is most common in females due to low levels of iron?

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

    Which vitamin is essential for the synthesis of Prothrombin?

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

    What is the function of bilirubin in the context of erythrocyte death?

    <p>Processed by the liver and excreted in feces (A)</p> Signup and view all the answers

    What is the primary function of Heparin in preventing clots?

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

    Why do individuals with iron deficiency anemia sometimes exhibit symptoms like lack of energy and paler skin?

    <p>Resulting from low levels of oxygen transport (C)</p> Signup and view all the answers

    What happens when a person is missing a clotting factor leading to Hemophilia?

    <p>Unable to proceed to the next clotting step (D)</p> Signup and view all the answers

    Which term describes a clot that has broken loose and is moving through the bloodstream?

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

    What is the role of vasoconstriction and increased tissue pressure in response to an injury?

    <p>Minimize blood loss by reducing blood pressure and flow locally (D)</p> Signup and view all the answers

    What is the function of von Willebrand factor (vWF) in hemostasis?

    <p>Helps platelets adhere to exposed collagen (D)</p> Signup and view all the answers

    How does a platelet plug prevent further blood loss?

    <p>By temporarily sealing the wound (B)</p> Signup and view all the answers

    Which factor is crucial for initiating the formation of the platelet plug?

    <p>von Willebrand factor (vWF) (B)</p> Signup and view all the answers

    What reinforces the platelet plug during hemostasis?

    <p>Fibrinogen conversion to fibrin (C)</p> Signup and view all the answers

    Which statement is accurate about platelet plug formation?

    <p>Activated platelets release chemical signals to attract more platelets (C)</p> Signup and view all the answers

    Why is vasoconstriction important in response to an injury?

    <p>To minimize blood loss by reducing blood flow locally (A)</p> Signup and view all the answers

    What substance is responsible for temporarily sealing the wound during hemostasis?

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

    Which component serves as an initial barrier during hemostasis?

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

    What is the primary function of activated platelets in hemostasis?

    <p>Releasing chemical signals to attract more platelets (D)</p> Signup and view all the answers

    What is the approximate percentage range of Erythrocytes (RBC) in whole blood?

    <p>42% - 48% (C)</p> Signup and view all the answers

    Which part of the blood is primarily responsible for building blood cells from Hemocytoblasts?

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

    What is the primary component of Plasma besides water?

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

    Which formed element of blood consists of fragments of cells?

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

    What is the function of Hematocrit (HCT) in blood circulation?

    <p>To determine the percentage of RBC in whole blood (A)</p> Signup and view all the answers

    Which blood type contains both A and B antigens?

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

    If a patient has anti-B antibodies, which blood type can they donate to?

    <p>Type B+ (D)</p> Signup and view all the answers

    What blood type is considered the universal donor?

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

    What percentage of people have blood type O-?

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

    What is the normal count range of leukocytes per mm3 in the body?

    <p>5,000 - 10,000 (A)</p> Signup and view all the answers

    What is the primary function of erythropoietin (EPO) in response to hypoxia?

    <p>Enhance red blood cell production (D)</p> Signup and view all the answers

    Which of the following best describes the structure of hemoglobin?

    <p>Composed of 4 Hem’s and 4 Globin’s (A)</p> Signup and view all the answers

    How does erythrocyte production respond to hypoxia?

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

    What effect does hypoxia have on the kidneys?

    <p>Stimulates EPO release (B)</p> Signup and view all the answers

    Which component in the blood is responsible for carrying oxygenated hemoglobin?

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

    What is the primary function of Thrombopoiesis?

    <p>Formation of platelets (D)</p> Signup and view all the answers

    Which leukocyte type takes up almost all the space in the cell?

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

    What is the normal range of platelet count per mm3 in the blood?

    <p>150,000 - 300,000 (D)</p> Signup and view all the answers

    Which part of hemostasis involves clot retraction?

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

    What is the mnemonic device to remember the order of Leukocytes from most to least common?

    <p>Never Let Monkeys Eat Bananas (C)</p> Signup and view all the answers

    What is the primary function of Heparin in blood clot prevention?

    <p>Opposes vitamin K (C)</p> Signup and view all the answers

    Which of the following components is essential for the breakdown of a clot?

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

    What is the function of Tissue Plasminogen Activator (Tpa) in the blood?

    <p>Breaks down fibrin (A)</p> Signup and view all the answers

    What is the role of Coumadin in the context of blood clotting?

    <p>Opposes vitamin K (D)</p> Signup and view all the answers

    Why is Hemophilia characterized by difficulty in progressing to the next step of clot formation?

    <p>Missing a clotting factor (D)</p> Signup and view all the answers

    What happens to an erythrocyte trapped in the spleen sinusoids?

    <p>It is digested by spleen macrophages. (A)</p> Signup and view all the answers

    Which condition is characterized by symptoms like lack of energy, paleness, and unusual cravings for non-nutritive substances?

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

    What is the primary role of iron in the context of erythrocyte death?

    <p>It is used to make new hemoglobin in red bone marrow. (A)</p> Signup and view all the answers

    What is the most common type of anemia in females, often due to a low level of iron?

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

    Which part of the blood serves as a 'graveyard' for red blood cells and contains macrophages for recycling?

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

    What is the primary function of vasoconstriction in response to an injury?

    <p>To reduce blood pressure locally (B)</p> Signup and view all the answers

    Which factor is crucial for initiating the formation of the platelet plug?

    <p>von Willebrand factor (vWF) (D)</p> Signup and view all the answers

    What reinforces the platelet plug during hemostasis?

    <p>Fibrinogen conversion to fibrin (C)</p> Signup and view all the answers

    What is the function of the platelet plug in preventing further blood loss?

    <p>To temporarily seal the wound (A)</p> Signup and view all the answers

    Why does von Willebrand factor (vWF) help platelets adhere to exposed collagen?

    <p>To facilitate platelet activation (B)</p> Signup and view all the answers

    Which process contributes to minimizing blood loss by decreasing blood vessel diameter?

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

    In hemostasis, what role does fibrinogen conversion to fibrin play in relation to the platelet plug?

    <p>It temporarily seals the wound (D)</p> Signup and view all the answers

    What is the primary function of activated platelets in the process of hemostasis?

    <p>To release chemical signals that attract more platelets (D)</p> Signup and view all the answers

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