micro test 3 2
Terms
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- example of opsonin
- complement proteins and antibodies
- what complement pathway can be triggered by a antigen-atibody complex
- classical
- the complement system is involved in...
- triggering of inflammatory reaction, chemotaxis, opsonization, and triggering of fever. But not in production of antibodies.
- what substance is involved in the lectin-complement pathway...
- mannose binding protein
- innate resistance is due in part to...
- receptors not present on human cells, incompatible pH, and incompatible temperature
- how many lines of defense do we have against pathogens?
- 3
- 1st line of defense consists of ...
- mucous memebranes, epidermis, sebum, skin, tears, sweat, vaginal secretions, urine
- collagen is important because...
- It is pliable, it helps resist abrasion, it gives strength to skin
- epithelium is protective because...
- it is tightly packed and it sheds freqently
- normal flora protects by...
- secretes antimicrobial substances, it consumes nutrients so that pathogens cannot grow
- the second line of defense operates when...
- pathogens penetrate the skin and pathogens penetrate the mucus membranes
- Name 4 parts of the second line of defense
- blood cells, granulocytes, interferons and inflammation. NOT epidermis.
- Name 4 things that plasma contains...
- water, nutrients, proteins and dissolved gases.
- The 3 formed elements in blood are...
- erythrocytes, platelets and leukocytes
- Granulocytes are thus named because...
- they contain granules
- Diapedesis is...
- the ability to squeeze through blood capillary walls.
- Name 3 benefits of fever
- enhances the action of interferon, inhibits growth of some bacteria and promotes growth of some bacteria
- Describe sequence in which acute inflammation occurs...
- cell injury releases mediator, selectins displayed, neutrophils attracted, integrins activated, neutrophils stick, diapedesis, phagocytosis