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Chapter 5

Microbiology Basics
STUDY
PLAY
disease
failure of the body to function normally
pathogen
disease-causing organism
infection
disease caused by a pathogen or its toxin
vector
an abject (living or non living) that transfers a pathogen from one organism to another
normal flora
organism that normally and harmoniously live in or on the human body
parasite
organism that requires a living host in which to survive
nosocomial
hospital-acquired infection
gram stain
dye used to identify different kinds of bacteria
portal of exit
routes by which pathogens leave the body
portal of entry
routes by which pathogens enter the body
bacteria
coccus, cacillus, curved rod
virus
acts as a parasite to the infected cell
fungi
mycotic infections
protozoa
amebas, ciliates, flagellates, sporoza
worms
helminthes
ectoparasites
anthropods that live on the surface of the body
arthropod vector
mosquito
systemic infection
wide spread body infection
localized infection
infection restricted to a small area
gram positive
stains purple or blue
carrier
Which word best characterizes Typhoid Mary?
parasite
Which of the following requires another living host for its continued existence?
bacteria
Cocci, bacilli and curved rods are classified as
Vector
A fomite is a
are best described as ectoparasites
Biting flies, fleas, and ticks
vectors
With regard to infection disease, arthropods most often act as
Infection
Which of the following describes the signs and symptoms that develop in response to a pathogen?
A pox infection
is a skin lesion
bacteria
Which of the following are classified as Gram(+) and Gram (-)
Shingles
Herpes varicella-zoster may lay dormant in the nerves for many years; when awakened in later life it causes
Itching and discomfort
Ectoparasites are most likely to cause
Mycobacterium tuberculosis
Which of the following is called "acid-fast" bacillus?
Malaria
The disease is caused by a sprozoan carried by a mosquito
pathogen
Which of the following is defined as a disease-producting micro organism?
causative organism of impetigo
Which of the following is least descriptive of Canadida Albicans?
Parasitic
Rickettsiae require a living host for their survival and are there fore considered to be
Systemic infection
Influenza is best described as a(n)
Pinworms
Which of the following lives in the intestinal tract and lays its eggs in the perianal area, causing severe pruritus?
Arthropod vector
The tick associated with Rocky Mountain spotted fever is referred to as a
bacteria
Rickettsiae and chlamydia are classified as
Rickettsiae are
often carried by fleas, ticks, and body lice
Becomes more resistant to harsh environmental conditions
What is the significance of bacterial spore formation? The bacterium
worm
A helminth is a
protozoa
This group includes single-cell animal-like microbes such as amebas