Ich of the following is a function of public health policy?
a.
to increase the transmission of diseases
b.
to control outbreaks of diseases
c.
to educate the public to make risky health decisions
d.
to provide vaccinations against diseases

Maintaining a healthy weight allows the respiratory system to work more effectively because a. oxygen is being delivered more adequately. b. the heart does not have to pump as forcefully. c. the capillaries are constricted. d. the lung capacity allows for small amounts of air.

The germs that cause infections are mainly spread in what three ways? a. immunization, mucous membranes, not washing hands b. germ-laden droplets, direct contact with body fluids, insects c. hand hygiene, sickness, immunization d. not enough sleep, low oral hygiene, germs

Which type of nerve creates a 'mental map" of the relative positioning of the body at any given point in time?