BIOS 255 Chamberlain Midterm Exam

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BIOS 255 Chamberlain Midterm Exam

• Hemoglobin in Red blood cells transport

–Answer

–Answer Oxygen and Some Carbon Dioxide

• Hemoglobin molecules are specialized components of the red blood cell plasma membrane

that combine with –Answer

–Answer

• Oxygen (Oxyhemoglobin)
• Carbon dioxide (Carbaminohemoglobin)
• Functions of Nitrous oxide in blood pressure regulation

–Answer

–Answer causes VASODILA- TION.Improves blood flow and enhances oxygen delivery.

• What happens to old red blood cells?

–Answer aged RBC's recycled by phagocytic cells in spleen and liver; Hemoglobin broken globin --->>> breaks down into amino acids and then the amino acids are recycled.

• RBC lifespan

–Answer 120 days due to the wear and tear on their plasma membranes as they squeeze through blood capillaries

• Production of RED Blood Cell's is called 1 / 2

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–Answer

Where does it occur?–Answer erythropoiesis.Occurs in adult red bone marrow of certain bones.

• Main stimulus for erythropoiesis

–Answer Hypoxia or low oxygen levels

• Types of Granular leukocytes

–Answer Neutrophils Eosinophils Basophils

• Leukocytosis vs Leukopenia

–Answer increase of WBCs vs decrease in WBCs

• General function of leukocytes

–Answer Combat inflammation and infection.

• How do neutrophils combat inflammation and infection?

–Answer Through phago- cytosis

• Function of Eosinophils

–Answer Combat the effects of histamine and parasitic worms Phagocytize AA (antigen-antibody) complexes

• function of basophils
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