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HPEX 358 Exam Questions And Answers
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HPEX 358 Exam Questions And Answers
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HPEX 358 Exam Questions And AnswersA definitive diagnosis that has been determined by biopsy,
surgery, autopsy, or other methods and has been accepted as the
standard is known as___________________. This is an external
source of "truth" regarding the disease status of each individual
in the population. This is important when evaluating the validity
and reliability of screening tests. (During the super-taster lab,
the test with the bitter tasting paper was our
________________.) Correct Answer Gold standard.
A family's water supply is contaminated with giardia for a few
days after heavy rainfall. Correct Answer Periodic
A group of 137 middle school students went to an end of the
school year celebration where pizza and ice cream were served.
Many of them (73) became ill the day after the party. The health
department conducted an investigation, interviewed the students
and are developing 2x2 tables to calculate the most likely culprit
for illness.
What is the diarrhea attack ratio (also known as "attack rate," or
"incidence proportion") among persons who ate both ice cream
and pizza? In other words, how many got ill out of all the kids
who ate both pizza and ice cream? Correct Answer 39/52
A mosquito is the vector that transmits malaria to humans.
Correct Answer True
A school served undercooked beef to students which was found
to be responsible for the e. coli ____________ that started in
, students, faculty, and staff later that week. Correct Answer
Outbreak
A screening test with this result may have the consequence of
causing a false sense of security and foregoing the need for
treatment. Correct Answer False negative
Administered cowpox virus to an 8 year old "volunteer" in
hopes that contracting the similar, but less serious disease would
protect the child from smallpox infection Correct Answer
Edward Jenner
All of the following are considered ratios except: Correct
Answer Time
All proportions are ratios, but not all ratios are proportions.
Correct Answer True
Among persons eating ice cream, over 70% developed diarrhea
regardless of their pizza consumption. Thus, ice cream is most
likely the infective item in this outbreak. Among people who ate
neither pizza nor ice cream, the attack ratiowas still 30%. Which
of the following reason or reasons can explain why a person
who did not consume ice cream got sick? Correct Answer All
of the above could explain why people who did not eat ice
cream got sick.
A. Diarrhea is a general symptom consistent with a number of
illnesses
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