AP2 Exam Questions And Answers Latest 2022
1. Factors involved in determining a person’s blood volume. Age Body composition: less body fat in the boy=more blood per kg of body weight. Females tend to have more body fat than males. Method of measurement: Direct method: can only be accomplished by complete removal of all blood from an experimental animal. Indirect method: in humans “tagging” of RBCs or plasma components with radioisotopes 2. Which mature cells have no nucleus, ribosomes, and other organelles? Red blood cells 3. How can you determine a hematocrit from the percentage given? In every 100 ml of whole blood there are the same # of RBCs as the % given. Find the ml of fluid plasma by subtracting 100ml-# ml of RBC= ml of fluid plasma 4. Erythropoietin. Glycoprotein hormone Increases RBC In response to decreased blood oxygen the kidneys release erythropoietin, which stimulates erythrocyte production in red bone marrow 5. What WBCs produce heparin and has a role in clot prevention? Basophils 6. Types of plasma proteins, their function and percentages. Fibrogen: Clotting protein: 4% Prothrombin: Clotting protein: 1% Globulins: Circulating antibodies: 38% Albumins: Blood volume expanders: 57%
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1 factors involved in determining a person’s blood volume age body composition less body fat in the boymore blood per kg of body weight females tend to have more body fat than males method of
