Question

a vaccine is a substance containing a dead pathogen or non - toxic part of a pathogen and is introduced to the body to provoke an immune response. * 1 point
o true
o false

pneumonia is a lung infection that causes the lungs’ air sacs to fill with fluid. * 1 point
o true
o false

for viral infections, medications treat the signs and symptoms of the disease rather than killing the virus itself. * 1 point
o true
o false

the symptoms of a heart attack are usually the same for males and females. * 1 point
o true

Explanation:

1. Vaccines typically contain inactivated pathogens or non - toxic parts to trigger immunity.
2. Pneumonia is an infection that causes lung air - sacs (alveoli) to fill with fluid.
3. Viral medications often manage symptoms as it's difficult to directly kill viruses.
4. Heart attack symptoms can differ between males and females.

Answer:

1. A. True
2. A. True
3. A. True
4. B. False