Score 20/20
You passed this Milestone
20 questions were answered correctly.
1
What is the name for the small flap that prevents food and drink from entering the
trachea?
Epiglottis
Bronchi
Larynx
Pharynx
, CONCEPT
Upper Respiratory Tract
2
Which kind of immunity does mucus play a role in?
Innate
Physical barriers
Adaptive
General
CONCEPT
Pathogens
3
Which of the following statements about immunodeficiency is true?
It only occurs when the immune system has been intentionally compromised as
part of treatment for diseases like cancer.
It means the immune system is weak or nonexistent.
It means the immune system attacks a person's own cells and organs.