Which Measure Will Prevent the Majority of Human Blindness in Developing

question 37

Multiple Choice

Which measure will prevent the majority of human blindness in developing countries? 

• A) administration of immunizing shots 
• B) administration of vitamin A capsules 
• C) administration of iodine 
• D) administration of sugar and salt dissolved in a glass of water

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Definitions:

Medication

Substances used to treat or prevent disease or relieve pain, often prescribed by healthcare professionals.

Dependent Variable

In research, the variable being tested and measured, which is expected to change due to manipulations of the independent variable.

Sensation-Seeking Test

A psychological assessment that measures an individual's propensity for seeking novel and intense stimuli and their willingness to take risks for such experiences.

Observation Period

A specific time frame during which subjects or conditions are monitored and data is collected in a study.