In this blog you will find the correct answer of the Coursera quiz Epidemiology: The Basic Science of Public Health 5 mixsaver always try to bring the best blogs and best coupon codes
 

Week- 5

Module 5 Quiz

 

1.
Question 1
True or False: There are nearly always some genetic and some environmental causes in every causal mechanism.

1 point

  • True
  • False

2.
Question 2
True or False: If an exposure proceeds a health outcome and is strongly associated with that health outcome, we can then say that without a doubt that the observed association is causal.

1 point

  • True
  • False

3.
Question 3
True or False: Causal relationships provide interesting information to epidemiologists but are rarely used to make public health decisions and design interventions.

1 point

  • False
  • True

4.
Question 4
A spurious association may be due to which of the following?

1 point

  • insufficient control of confounders
  • bias
  • all of the above answers are correct
  • use of the wrong statistical methods

5.
Question 5
The 9 factors used as a guideline for determining causality are referred to as:

1 point

  • Bradford-Hill criteria
  • Rothman’s causal pies
  • Directed acyclic graphs
  • Koch’s postulates

6.
Question 6
True or False: The Bradford-Hill criteria were originally developed to answer the question of whether cigarettes cause disease, especially lung cancer.

1 point

  • False
  • True

7.
Question 7
True or False: The Bradford-Hill criteria were originally developed to answer the question of whether bacteria caused tuberculosis.

1 point

  • True
  • False

8.
Question 8
True or False: Failing to meet one or more of the 9 Bradford-Hill criteria means that the studied relationship should not be considered causal.

1 point

  • False
  • True

9.
Question 9
True or False: The 9 Bradford-Hill criteria should be used as a checklist to determine if a causal relationship exists.

1 point

  • False
  • True

10.
Question 10
The 9 Bradford-Hill criteria should be used as a guideline to consider if a causal relationship exists.

1 point

  • True
  • False

11.
Question 11
The statement “a number of studies by different investigators at various times using different methods in different populations show similar results” best refers to which of the following?

1 point

  • biological gradient
  • plausibility
  • specificity
  • consistency

12.
Question 12
Which of the following is generally considered the weakest guideline?

1 point

  • consistency
  • biological gradient
  • specificity
  • plausibility

13.
Question 13
The statement “exposure to factor of interest precedes the outcome” best refers to which of the following?

1 point

  • consistency
  • temporality
  • specificity
  • plausibility
  • biological gradient

14.
Question 14
Which of the following is generally considered to be the strongest or most important guideline?

1 point

  • biological gradient
  • plausibility
  • temporality
  • consistency
  • specificity

15.
Question 15
The statement “there is a threshold effect” best refers to which of the following?

1 point

  • temporality
  • biological gradient
  • consistency
  • plausibility
  • specificity

16.
Question 16
True or False: Some diseases or health outcomes do not display a dose-response relationship with a causal exposure.

1 point

  • True
  • False

17.
Question 17
The statement “the biologic mechanism is known” best refers to which of the following?

1 point

  • plausibility
  • biological gradient
  • specificity
  • consistency
  • temporality

18.
Question 18
The statement “the results fit with other knowledge” best refers to which of the following?

1 point

  • specificity
  • temporality
  • coherence
  • biological gradient
  • plausibility

19.
Question 19
Which of the following study designs is the most persuasive in establishing causality?

1 point

  • cohort studies
  • ecologic studies
  • randomized controlled trials
  • case-control studies

 

 

 

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