The invasion of body tissues by disease-causing pathogens is called a (an) _______.
A.
parasite
B.
infection
C.
inflammation
D.
virus
2.
Bacteria grow and reproduce during the _____ stage.
A.
active
B.
biological
C.
inactive
D.
spore-forming
3.
Methicillin-resistant staphylococcus aureus, or MRSA, initially appears as a ________ that can be difficult to cure.
A.
fever
B.
eye infection
C.
skin infection
D.
persistent cough
4.
A _____ is a colony of microorganisms that adhere to environmental surfaces, as well as the human body, and secrete a sticky, protective coating that cements them together, making them hard to penetrate.
A.
fungus
B.
toxin
C.
biofilm
D.
bacterial spore
5.
Head lice are a type of ______ infection.
A.
fungal
B.
parasitic
C.
viral
D.
bacterial
6.
Bacteria that are _____ are harmless organisms that may perform useful functions.
A.
nonactive
B.
systemic
C.
pathogenic
D.
nonpathogenic
7.
A(n) _____ can only live and reproduce by taking over other cells and becoming part of them.
A.
bacteria
B.
infection
C.
mold
D.
virus
8.
Dental plaque is an example of a visible human _____.
A.
biofilm
B.
infection
C.
germ
D.
disease
9.
A(n) _____ is a single-cell organism that grows in irregular masses that include molds, mildews, and yeasts.
A.
allergy
B.
fungus
C.
virus
D.
pathogen
10.
A local infection is one that is _______ to a particular part of the body.
A.
open
B.
attached
C.
confined
D.
spread
11.
Historically, MRSA occurred most frequently in people who have _______immune systems or who had undergone medical procedures.
