When a Concerned Citizen Asks the CHN About Environmental Health

question 1

Multiple Choice

When a concerned citizen asks the CHN about environmental health, what definition of environmental health does the CHN provide?

• A) Environmental health is the causative factors invading a susceptible host through an environment favourable to producing disease, such as a biological or chemical agent.
• B) Environmental health is the systematic and ongoing observation and collection of data concerning disease occurrence to describe phenomena and detect changes in frequency or distribution.
• C) Environmental health is the study of the effect of physical, chemical, and biological factors in the external environment on human health.
• D) Environmental health is the achievement of health and wellness and the prevention of illness and injury from exposure to physical or psychosocial environmental hazards.

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Definitions:

Infraorbital Foramen

An opening located below the orbit (eye socket) on the skull through which nerves and blood vessels pass.

Foramen Magnum

The large opening at the base of the skull through which the spinal cord passes to connect with the brain.

Vertebral Arteries

Arteries that supply blood to the upper spine, brainstem, cerebellum, and posterior part of the brain.

Sella Turcica

A saddle-shaped depression in the sphenoid bone of the human skull, where the pituitary gland is situated.