click below
click below
Normal Size Small Size show me how
med surgi
ch. 12
Question | Answer |
---|---|
Infectious Agent | Invasion of body with agents that have potential to cause disease. |
Bacteria-type of IA | single-cell microorganism,ex:staphylococci aureaus, streptococcus pneumoniae, escherichia coli (multidrug resistance) |
Viruses | small can only be seen with high-powered electron microscopes. EX. herpes simplex virus |
fungi | 2 groups: mold & yeasts 3 types of fungal (mycotic) infection:1)superficial (dermatophytoses)tinea corporis,ringworm,2)intermediate:candidiasis3)deep (systemic):pneumonia & histoplamosis |
Rickettsiae | invade living cells,but cant survive outside a living organism or host:Arthropods |
protozoans | single-celled organisms classified to their motility (ability to move) ex:cilia, flagella, no movement |
Mycoplasmas | Single-celled microorganisms that lack a cell wall & are pleomorphic (assume many shapes) primarily infect respiratory, genitourinary and gastrointestinal tracts |
helminths | infectious worms Infect:colon & rectum;cestodes or tapeworms & trematodes |
Prions | infectious particle made up entirely of protein. affect brain |