Infection and Disease part 4

is the time from the first exposure to the pathogen to the time symptoms become apparents

length of incubation period varies considerably for some microorganisms

health of the host

virulence of the microb

generation of time of the pathogen

time for organism to migrate from point of entry to site of infection

short period just before sprcific symptoms set in where the patient experiences malaise (general feeling of discomfort, headach, joint pain, muscle ache)

When the pathogen is multiplying, producing toxins.

signs and symptoms include cough, rash, diarrhea

immune system is responding to pathogen

corresponds to symptoms seen during an acute or chronic infection

The patient's condistion worsens

immue system works  to remove microbe, but unsuccessful

high levels of immunological molecules, antibodies. (elevate white blood cell)

patient either recovers or the disease is fatal

recovery period

patient survives the infection

microbes eliminated from the body

signs and symptoms abate and patient starts to feel better

affected tissues and systems are repaired.

diseases caused by factors other than microbes.

• diiiicennm
• Idiopathic disease-unknown causing disease
• Iatrogenic disease-procedural error or surgical
• Neoplastic diseases-abnormal cell growth (tumor)
• immunological diseases-disease by immune sys
• mental diseases-infeciton due to emotion or psych
• endocrine diseases-abscence of hormones
• nutritional deficiencies-disorders nutrient deficienc.
• degenerative diseases-age developing disorders
• congenital diseases-birth  defects
• inherited-genetic disorders