QUESTION 33

1.              Inorder to BEST test a causal hypothesis about an exposureand outcome, the researchershould                                           incorporatewhich of the following elements into their study?

	a.	Randomly assign participants to the different groups
	b.	Ensure that the exposure preceded the outcome in time.
	c.	Conduct multivariate statistics to control for confoundingvariables.
	d.	Ensure that the research team is \"blind\" to the study group andhypotheses.

2 points   

QUESTION 34

1.             Sustainabledevelopment considers the following main factors when addressing aglobal health issue:

	a.	Disease transmissibility and environment
	b.	None of the above
	c.	Environmental, social, and economic
	d.	Culture, economic, and social

2 points   

QUESTION 35

1.             Risingtemperature impacts vector-borne disease transmission through:

	a.	All of the above
	b.	Shorter incubation periods
	c.	Biting frequency
	d.	Increased disease transmissibility

2 points   

QUESTION 36

1.    Industrialization has contribute tothe spread of emerging communicable diseases.

True

False

2 points   

QUESTION 37

1.               Comparedto other study designs, studies that use the _________ design yieldresults that are themost                                   difficultto interpret.

	a.	Analytic
	b.	Case-control
	c.	Cross-sectional
	d.	Cohort

2 points   

QUESTION 38

1.             Accordingto the WHO, approximately 1.2 billion worldwide live inpoverty.

True

False

2 points   

QUESTION 39

1.              Themost effective intervention to decrease WASH-related diseasetransmission is:

	a.	Hygiene
	b.	Sanitation
	c.	improved water supply
	d.	Improved water quality

2 points   

QUESTION 40

1.      Which of the following isa strength of using a cohort study design?

	a.	Sample size can be small
	b.	Causality can be inferred
	c.	Efficient for studying rare diseases
	d.	Can study several outcomes

2 points   

QUESTION 41

1.             Whenexamining the global HIV data between 2000 and 2015, the number ofpeople living with HIV _______ and the number of people whoreceived HIV treatment _________.

	a.	increased, decreased
	b.	decreased, decreased
	c.	decreased, increased
	d.	increased, increased