A commensal bacterium
may also be an opportunistic pathogen
A nosocomial infection is
acquired during the course of hospitalization
The major significance of Robert Koch's work is that
microorganisms cause disease
Which of the following diseases is not spread by droplet infection
botulism
Which of following diseases are spread by droplet infection
a) tuberculosis
b) measles
c) the common cold
d) diptheria
Biological transmission differs from mechanical transmission in that biological transmission
involves specific diseases
Focal infection initially start out as
local infection
The rise in herd immunity amongst a population can directly attributed to
vaccinations
The science that deals with when diseases occur and how they are transmitted is
epidemiology
Which of the following is a reservoir of infection
a) a sick person
b) a healthy person
c) a sick animal
d) a hospital
Which of the following are a communicable diseases
a) malaria
b) AIDS
c) tuberculosis
d) typhoid fever
Which of the following is NOT a communicable diseases
Tetanus
Which is a fomite
a hypodermic needle
Which statements about biological transmission are True
a) The pathogen reproduces in the vector
b) The pathogen may enter the host in the vector's feces
c) The pathogen may be injected by the bite of the vector
d) the pathogen may require the vector as a host
A cold transmitted by a facial tissue is an example of
vehicle transmission
The CDC is located in
Atlanta, GA
A disease in which is causative agent remains inactive for a time before producing symptoms is referred to as
latent
A needlestick is an example of
fomite
Emergence of infectious diseases can be attribute to all of the following
a) antibiotic resistance
b) climatic changes
c) new strains of previously know agents
d) ease of travel
Which of the following can contribute to postoperative infections
a) using syringes more than once
b) normal microbiota on the operating room staff
c) errors in aseptic technique
d) antibiotic resistance
Transient microbiota differ from normal microbiota in that transient microbiota
are present for a relatively short time
Which statements about nosocomial infections are True
a) they occur in compromised patients
b) they may be caused by opportunists
c) they may be caused by normal microbiota
d) they may be caused by drug-resistance bacteria
The effect of washing regularly with antibacterial agents is the removal of normal microbiota can cause
increased susceptibility to disease
Which of the following is a predisposition factor of disease
a) lifestyle
b) genetic background
c) climate
d) occupation
In which of the following diseases can gender be considered a viable predisposing factor?
urinary tract infection
Which patterns of disease does the patient experience no signs or symptoms?
incubation and convalescence
Which of the following are example of microbial antagonism?
a) acid production by bacteria
b) bacteriocin production
c) bacteria occupying host receptors
d) bacteria producing vitamin K
If a prodromal period exists for a certain disease, it should occur prior to
illness
Which are zoonosis?
a) cat-scratch disease
b) hantavirus pulmonary syndrome
c) rabies
d) tapeworm
Pseudomonas bacteria colonized the bile duct of a patient following his liver transplant surgery. This is an example of a
nosocomial infection
For a particular disease at a specific time period, morbidity rates should always be equal or greater than mortality rates
TRUE
Compromised hosts are always suffering from suppressed immune system
FALSE
Urinary tract infection are the most common forms of nosocomial infections.
TRUE