Questions and Answers (Latest
Update 2026)
Which of the following is the only animal able to be infected with
HIV but can no longer be used for research due to ethical reasons
and cost?
a) Chimpanzees
b) Mice
c) Asian macaque monkeys
d) Guinea pigs -
correct answer ✅a) Chimpanzees
Which of the following refers to the presence of high blood
pressure without a known cause?
a) Occult hypertension
b) Essential hypertension
c) Benign hypertension
d) Malignant hypertension -
correct answer ✅b) Essential hypertension
,Public Health Exam 2 (PBH 111)
Questions and Answers (Latest
Update 2026)
Cancer viruses transform cells by integrating themselves into what
part of the host cell?
a) RNA
b) DNA
c) Cytoplasm
d) Nucleus -
correct answer ✅b) DNA
True or False? In most cases, chronic diseases have a single cause,
making it easier for scientists to recognize significant risk factors
and establish preventive measures.
a) True
b) False -
correct answer ✅b) False
True or False? Epidemiology is generally limited to observation and
analysis of events that occur spontaneously.
, Public Health Exam 2 (PBH 111)
Questions and Answers (Latest
Update 2026)
a) True
b) False -
correct answer ✅a) True
True or False? In experiments on human subjects, scientists can
carefully control the conditions so that cause-and-effect
relationships can be clearly proven.
a) True
b) False -
correct answer ✅b) False
True or False? An actively growing cancerous tumor must have
attracted blood vessels to itself to supply needed nutrients.
a) True
b) False -
correct answer ✅a) True