Chapter 14 Principles of Disease and Epidemiology
A cold transmitted by a facial tissue is an example of
A) direct contact.
B) droplet transmission.
C)
fomite.
D) vector.
E) vehicle transmission
fomite
A disease in which the causative agent remains inactive for a time before producing symptoms is referred as
A) subacute
B) subclinical
C) latent
D)
zoonotic
E) acute
Latent
A nosocomial infection is
Acquired during the course of hospitalization
Biological transmission differs from mechanical transmission in that biological transmission
Involves reproduction of a pathogen in an arthropod vector prior to transmission
Both normal and transient flora can become opportunistic pathogens.
True
Focal infections initially start out as
A) sepsis.
B) bacteremia.
C) local infections.
D)
septicemia.
E) systemic infections.
Local infections
If a prodromal period exists for a certain disease, is should occur prior to
A) incubation.
B) illness.
C) decline.
D) convalescence.
Illness
In which of the following patterns of disease does the patient experience no signs or symptoms?
A) prodromal
B) decline
C) convalescence
D)
incubation
E) incubation and convalescence
Incubation and convalescence
MMWR is a publication by the CDC that reports on only emerging diseases.
False
Pseudomonas bacteria colonized the bile duct of a patient following his liver transplant surgery. The is an example of a
Nosocomial infection
Reservoirs of infections are always animate object.
False
Symptoms of disease differ from signs of disease in that symptoms
Are changes felt by the patient
The CDC is located in
Atlanta, GA
The rise in herd immunity amongst a population can be directly attributed to
A) increased use of antibiotics.
B) improved
handwashing.
C) vaccinations.
D) antibiotic-resistant
microorganisms.
E) None of the answers is correct.
Vaccinations
The science that deals with when diseases occur and how they are transmitted is called
Epidemiology
Transient microbiota differ from normal microbiota in that transcient microbiota
A) Cause diseases.
B) Are found in a certain location on the
host.
C) Are acquired by direct contact.
D) Are present for
a relatively short time.
E) None of the above.
Are present for a relatively short time
Which of the following definitions is incorrect?
A) Acute a short-lasting primary infection
B) Inapparent
infection characteristic of a carrier state
C) Chronic a disease
that develops slowly and lasts for months
D) Primary infection an
initial illness
E) Secondary infection a long-lasting illness
Secondary infection: a long lasting illness
Which of the following definitions is incorrect?
A) endemic: a disease that is constantly present in a
population
B) epidemic: a disease that is endemic across the
world
C) pandemic: a disease that affects a large number of
people in the world in a short time
D) sporadic: a disease that
affects a population occasionally
E) incidence: number of new
cases of a disease
Epidemic: a disease that is endemic across the world
Which of the following is fomite?
A) water
B) droplets from a sneeze
C) pus
D) insects
Insects
Which of the following statements is False?
A) Antimicrobial therapy for hemodialysis-associated infections
increases antibiotic resistance.
B) The USA100 strain accounts
for most hospital-acquired MRSA.
C) The USA300 strain accounts
for most community-acquired MRSA.
D) The M in MRSA stands for
mannitol.
E) S. aureus is differentiated from other mannitol+
cocci by the coagulase test.
M in MRSA stands for mannitol