HLTH 503
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Course202030 Summer 2020 HLTH 503-B03 LUO
TestQuiz 2
Started5/23/20 11:42 PM
Submitted5/24/20 12:32 AM
Due Date5/24/20 11:59 PM
StatusCompleted
Attempt Score50 out of 50 points
Time Elapsed50 minutes out of 1 hour and 30 minutes
InstructionsTime limit: 1 hour and 30 minutes
25 mainly true/mainly false and multiple-choice
questions
open-book/open-notesDo not hit the BACK button as this will lock you
out of the quiz.
The timer will continue if and when you
leave the quiz.
Submitted Answers, Feedback
Which of the following terms is expressed as a ratio (as distinguished
from a proportion)?
Selected C.
Answer:
Question 1
2 out of 2 points
false
Question 2
Question 3
Question 4
2 out of 2 points
2 out of 2 points
2 out of 2 points
True or False? The proportional mortality ratio (%) is defined as the
mortality due to a specific cause during a time period divided by the
mortality due to all causes during the same time period times 100.
Selected
Answer: Tru
e
True or False? A prerequisite for using direct age adjustment is that
the age-specific death rates in the study population must be stable.
Selected
Answer: Tru
e
True or False? The incidence rate of a disease is defined as the number of
new cases of the disease over a time period divided by the total
population (at risk) during the same time period times a multiplier (e.g.
100,000).
Selected
Answer: Tru
e
Question 5
Question 6
Question 7
2 out of 2 points
2 out of 2 points
2 out of 2 points
The proportional mortality ratio (%) due to roller-skating was:
True or False? When the duration of a disease becomes short and the
incidence is high, the prevalence becomes similar to incidence.
Selected
Answer: Tru
e
The risk of acquiring a given disease during a time period is best
determined by:
Selected A.
Answer: the incidence rate (cumulative incidence) for that disease
in a given period of time.
An epidemiologic survey of roller-skating injuries in Metroville, a city with a
population of 100,000 (during the midpoint of the year), produced the
following data for a particular year:
Selected
Answer:
Response
Feedback:
C.
90/900 ×
100
Page:
142
The cause-specific mortality rate from roller-skating was:
Selected B.
Answer: 90/100,000 ×
100,000
Response Page:
Feedback: 138
True or False? Certain diseases can occur more than once in the same
individual during a stated period of time. Repeated cases of the disease
have no effect upon incidence rates.
Selected
Answer: Fals
e
An epidemiologic survey of roller-skating injuries in Metroville, a city with a
population of 100,000 (during the midpoint of the year), produced the
following data for a particular year:
Question 8
Question 9
2 out of 2 points
2 out of 2 points
Question 10
Question 11
Question 12
2 out of 2 points
2 out of 2 points
2 out of 2 points
Successful treatment programs that would shorten the duration of a
disease primarily affect:
Selected A.
Answer:
the prevalence of the
disease
True or False? Calculation of the standardized mortality ratio is an
example of the direct method of age adjustment.
Selected
Answer: Fals
e
The incidence of a disease is five times greater in men than in women, but
the prevalence shows no sex difference. The most likely explanation is
that:
Selected C.
Answer:
the duration of the disease is greater in
women.
Question 13
Question 14
Question 15
Question 16
2 out of 2 points
2 out of 2 points
2 out of 2 points
2 out of 2 points
True or False? Nativity refers to place of origin of an
individual. Selected
Answer: Tru
e
True or False? The three categories of descriptive epidemiologic variables
are person, place, and time.
Selected
Answer: Tru
e
Which of the following statements most accurately expresses the breeder
hypothesis for schizophrenia?
Selected A.
Answer:
The conditions of life in lower-class society favor its
development.
Cyclic variations in the occurrence of disease may reflect:
Selected E.
Answer:
All of the
above
True or False? WHO is a major source of information about worldwide
international variations in rates of disease.
Selected
Answer: Tru
e
Descriptive epidemiology characterizes the amount and distribution of
disease within a population and enables the researcher to:
True or False? One of three main purposes of descriptive epidemiology is
to aid in the creation of hypotheses.
Selected
Answer: Tru
e
Question 17
Question 18
Question 19
2 out of 2 points
2 out of 2 points
2 out of 2 points
Selected
Answer:
Response
Feedback:
E.
B and C
only
Page:
159
Which of the following reasons might account for place variation in
disease?
Selected E.
Answer:
All of the
above
Descriptive epidemiology has the following characteristics (Choose the
incorrect option):
Selected A.
Answer:
allows causal inference from
descriptive data.
True or False? The human biological clock phenomenon is linked to place
Question 20
Question 21
Question 22
2 out of 2 points
2 out of 2 points
2 out of 2 points
variation in
diseases. Selected
Answer: Fals
e
A null hypothesis is most similar to which of the following?
Selected B.
Answer:
Negative
declaration
True or False? Developmental problems such as congenital birth defects
occur primarily late in life.
Selected
Answer: Fals
e
True or False? Health phenomena may show cyclic variations in a person's
response to temporary stressors.
Question 23
Question 24
Question 25
2 out of 2 points
2 out of 2 points
2 out of 2 points
Selected
Answer: Tr
u
e
