Intro to Microbiology

Microorganisms

Organisms that are too small to be seen by unaided eyes

Microorganisms are organisms that are _____ to be seen by unaided eyes

too small

Germ

Refers to a rapidly growing cell

In Microorganisms, some are ___ others are ___

friends, foe

Microoganisms

Affect our daily lives and our environment

Microorganisms affect our___ and ___

daily lives, environment

Microorganism

knowledge of them is important to healthcare professionals

Knowledge of microorganism is important to _______

healthcare professionals

Microorganisms

Decompose organic waste

organic waste

Microorganisms decompose ____ ____

producers

Microorganisms are _____ in the ecosystem by photosynthesis

photosynthesis

Microorganisms are producers in the ecosystem by _______

ethyl alcohol, acetone

Microorganisms industrial chemicals like ____ and ____

industrial chemicals

Microorganisms produce _____ _____ like ethyl alcohol and acetone

fermented foods

Microorganisms produce _____ _____ like vinegar, cheese, and bread

vinegar, cheese, bread

Microorganisms produce fermented foods like _____, _____, and _____

manufacturing, treatment

Microorganisms produce products used in _____ (e.g. cellulase), & _____ (e.g. insulin)

Functions of Microorganisms (5)

-decompose organic waste

-producers by photosynthesis

-makes industrial chemicals like ethyl alcohol & acetone

-makes fermented foods like vinegar, cheese, & bread

-makes products used in manufacturing & treatment

disease-causing

Some microorganisms are pathogenic, or ______

Germs

microorganisms that cause disease

Pathogens

disease-causing microorganism

Nonpathogens

do not cause disease

Infectious disease, Microbial intoxication

2 categories of diseases

Infectious disease

pathogen colonizes body and subsequently cause disease

colonizes

Infectious disease _____ the body and causes disease

Microbial intoxication

person ingests toxin (poisonous substance) produced by a microorganism

toxin

Microbial intoxication is when a person ingests ____ (poisonous substance) produced by a microorganism

Algae

Very rare cause of infections/intoxications

Bacteria

causes the ff. diseases:

anthrax

botulism

cholera

diarrhea

diphtheria

ear and eye infections

food poisoning

gas gangrene

gonorrhea

hemolytic uremic syndrome (HUS)

intoxications

Legionnaires’ disease

leprosy

Lyme disease

meningitis

plague

pneumonia

Rocky Mountain spotted fever

scarlet fever

staph infections

strep throat

syphilis

tetanus

tuberculosis

tularemia

typhoid fever

typhus

urethritis

urinary tract infections

whooping cough

Fungi

causes the ff. diseases:

allergies

cryptococcosis

histoplasmosis

intoxications

meningitis

pneumonia

thrush

tinea (ringworm) infections

yeast vaginitis

Protozoa

causes the ff. diseases:

African sleeping sickness

amebic dysentery

babesiosis

Chagas’ disease

cryptosporidiosis

diarrhea

giardiasis

malaria

meningoencephalitis

pneumonia

toxoplasmosis

trichomoniasis

Viruses

cause the ff. diseases:

acquired immunodeficiency syndrome

bird flu

certain types of cancer

chicken pox

cold sores (fever blisters)

common cold

dengue

diarrhea

encephalitis

genital herpes infections

German measles

hantavirus pulmonary syndrome (HPS)

hemorrhagic fevers

hepatitis

infectious mononucleosis

influenza

measles

meningitis

mumps

pneumonia

polio

rabies

severe acute respiratory syndrome (SARS)

shingles

smallpox

warts

yellow fever