How much blood does the average adult have? | 5 liters |
Which of the following components is not one of the formed elements in blood? A. Platelets B. Leukocytes C. Plasma D. Erythrocytes | C. plasma |
Which of the following is not one of the functions of blood? A. to transport and exchange gases B. to protect vital organs C. blood clotting D. to maintain body temperature | B. to protect vital organs |
What percentage of the blood is composed of plasma? 45% 55% 15% 75% | 55 percent |
What forms the majority of blood? platelets, plasma, leukocytes or buffy coat | plasma |
Which of the following might trigger erythropoiesis? A. an increased number of RBCs B. moving to a lower altitude C. blood oxygen levels fall below normal D. decreased tissue demand for oxygen | C. blood oxygen levels fall below normal |
The process of red blood cell production is known as: A. polycythemia B. erythropoiesis C. erythrocytosis D. erythropenia. | B. erythropoiesis |
The function of red blood cells is to: A. phagocytize bacteria B. transport oxygen and carbon dioxide C. stop blood loss from an injured blood vessel D. transport nutrients to the body's cells and tissues. | B. transport oxygen and carbon dioxide |
Which statement best describes red blood cells? A. Red blood cells live about 10 days B. Red blood cells form antibodies to fight antigens C. Red blood cells have a nucleus and most organelles D. Red blood cells possess a protein known as hemoglobin. | D. red blood cells possess a protein known as hemoglobin |
What percentage of buffy coat | 1 percent |
The buffy coat consists of ____ and ____? | The buffy coat consists of leukocytes and platelets |
What is the percentage of erythrocytes? | 44 percent of erythrocytes |
Def. of Hematocrit | Percentage of red blood cells or erythrocytes |
What are the 7 functions of blood? | 1. Gas exchange. 2. Distribution of solutes 3. Performing immune functions 4. Maintaining body temp 5. Sealing blood vessels by forming clots 6. Preserving acid- base homeostasis 7. Stabilizing blood pressure |
Both ____ and ___ transport carbon dioxide away from the tissues to the lungs | Both Erythrocytes and Plasma |
What are some plasma solutes? | Nutrients, Wastes, electrolytes, hormones |
Both leukocytes and proteins of the immune system use ___ as a transport vehicle to reach almost any tissue in the body | Blood |
When a blood vessel is broken, _____ and ____ form a blood clot? | Platelets and certain proteins |
What is the PH of blood | 7.35-7.45 |
Def of bood pressure | Blood pressure is the volume of blood in the circulation |
The amount of water in plasma determines it's _____ or ____ of blood | Thickness, or Viscosity |
If plasma contains less water, then it's ____ increases and ____ ____ becomes sluggish | Viscosity, blood flow |
Plasma proteins make up about _ % of plasma volume? | 9 % |
Because most of these plasma proteins are too large to fully dissolve in the water portion of the plasma, they form a ____? | Colloid |
Most plasma proteins are made in the ____? | Liver |
What are the 4 plasma proteins? | 1. Albumin 2. Immune proteins 3. Transport proteins 4. Clotting proteins |
Albumin | - Plasma protein - Made in the liver - Maintains osmotic pressure (the pressure that draws water into blood via osmosis |
Transport proteins | - Plasma protein - Made in the liver - Bind and transport hydrophobic compounds (fats and steriods) through blood |
What are the plasma proteins of the immune system called? | Y-globulines, also known as antibodies |
Antibodies are produced by _______? | leukocytes |
Clotting proteins | - plasma protein - made in the liver. Collection of platelets and clotting proteins, stops bleeding from an injured blood vessel |
Gamma Globulins are made by _ ______? | B lymphocytes |
Remaining 1% of plasma consists of? | small solutes that dissolve in the water portion of the plasma and form a solution |
The solutes in the plasma consists of? | Glucose, amino acids, nitrogenous waste, ions, small amounts of oxygen and carbon dioxide |
the solutes are exchanged between the ___ and ______ _____ in most capillary beds | Blood and Interstitial fluid |