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Physiology I
Resistance to Infection - Test 1
Question | Answer |
---|---|
What is another name for a white blood cell? | Leukocyte |
List the granulocytes: | BEN - Basophil, Eosinophil, Neutrophil |
List the agranulocytes: | Monocyte, Lymphocyte |
List the WBC's from most to least: | Neutrophil, Lymphocyte, Monocyte, Eosinophil, Basophil (Remember, Never Let Monkeys Eat Bananas) |
What is a stab or band neutrophil? | An immature neutrophil |
What is another name for the neutrophil? | Polymorphonuclear Neutrophil |
An eyeglass or bumbell shape neutrophil is an indicator of a serious problem, True or False? | True, if the nuetrophil has less than 3 segments than there is a serious problem |
Which type of WBC is formed in both bone marrow and in lymph tissue? | Lymphocytes |
True or False, all of the WBC's are formed in the bone marrow? | True, but lymphocytes are formed in lymph tissue as well. |
So what else is formed in lymph tissue other than Lymphocytes? | Plasma cells |
Without any white blood cells, how fast would you receive an infection? | 2 Days |
How does white blood cells destroy invading agents? | Phagocytosis |
What color are eosinophils? | Red / Orange |
What is the primary responder to allergies? Secondary reponder? | 1. Eosinophils 2. Basophils |
Other than allergies what else does eosinophils respond to? | Parasites |
What type of parasite can be contracted form little kids scratching their butts before they sit down at the dinner table? | Pin Worms |
What acts like a mast cell? | Basophil |
Basophils release: | 1. Heparin - anticoagulant & vasodilator 2. Bradykinin - vasodilator 3. Serotonin - Vasodilator |
Which agranulocyte has a horse shoe shaped nucleus? | Monocyte |
Which is the most powerful phagocyte? | Monocyte, It can phagocytize 100 bacteria and can engulf whole particles. |
What is the moncyte found in skin? | Langerhan cell |
What is the moncyte found in the liver? | Kuppfer Cell |
What is the moncyte found in bone marrow? | Osteoclast |
Lymphocytes elevate with viral infections and _________? | Stress |
What is associted with Humural Immunity? | B Cell and Plasma Cells |
What is associted with Cell Mediated Immunity? | T Cells |
What is the lifespan of a granulocyte? | 4-8 Hours in blood, 4-5 days in tissue |
What is the lifespan of a monocyte? | 10-20 Hours in blood, months - years in tissue |
Platelets are replaced every ______? | 10 Days |
What is the lifespan of lymphocytes? | Weeks - Years |
Neutrophils enter tissue via: | 1. Margination 2. Diapedesis 3. Ameboid Motion 4. Chemotaxis |
What is chemotaxis? | A chemical signal draws cells toward an inflamed tissue |
What is the most important function of macrophages and neutrophils? | Phagocytosis |
What is another name for the monocyte-macrophage system? | Reticluloendothelial System |
What type of macrophages are found in the lungs? | Alveolar Macrophage |
What is inflammation? | Increased blood flow that occurs w/ tissue damage |
What is the most common cause of inflammation? | Elevated Blood Glucose |
Acute inflammation is normal whereas chronic inflammation can lead to what? | atherosclerosis |
What vasodilators aid in swelling? | 1. Histamine 2. Bradykinin 3. Serotonin 4. Prostaglandins 5. Complement System 6. Blood Clotting System |
Which white blood cell is primarily responsible for tissue repair? | Monocyte |
Neutrophils, Monocytes, and Eosinophils are phagocytes, True or False? | True |
Which agranulocyte releases interleukin-1? | Moncytes |
What does interleukin-1 do? | Stimulates Bone Marrow |
Which white blood cell is least abundant? | Basophil |
What is the most likely cause of an elevated lymphocyte count? | viral infection |
What is the most likely cause of an elevated neutrophil count? | Bacterial Infection |