Test Bank for Brock Biology of Microorganism 16th Edition by Michael T.
Madigan
29.1 Multiple Choice Questions
1. A disease that is p resent in unusuall y high numbers throughout the world
is called a(n)
A) endemic.
B) epidemic.
C) sporadic.
D) pandemic.
2. A _________ is a disease that primaril y infects animals but can be
transmitted to humans.
A) nosocomial infection
B) zoonosis
C) vector infection
D) mudurane
3. Which of the following emergence factors has contributed to the
HIV/AIDS epidemic?
A) climate change
B) rapid pathogen adaptation and change
C) increasing travel to endemic areas
D) exotic pet and meat trade
, 4. Which stage of an acute infectious disease o ccurs between the time the
organism begins to grow in the host and the appearance of disease
s ymptoms?
A) acute period
B) decline period
C) infection
D) incubation period
5. A marked seasonality to a disease is often indicative of
A) certain modes of transmission.
B) the presence of carriers.
C) a zoonotic infection.
D) a bacterial disease.
6. Which group of organisms is difficult to control through immunization
because of their rapid and unpredictable genetic mutations?
A) vector-borne organisms
B) RNA viruses
C) Archaea
D) DNA viruses
7. Disease _________ is measured by the total number of new reported
disease cases within a population over a period of time.
A) incidence
B) frequency
C) morbidit y
D) prevalence
8. Influenza pandemics occur periodicall y due to characteristics of the
influenza virus. How did these characteristics, in this case of the H1N1
strain, contribute to the spread of the swine flu pandemic in 2009?