7/21/25, 8:40
AM
MBI 111 EXAM 3 QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTIONS VERIFIED GRADED
A++ 2025/2026
Terms in this set (85)
Certain types of E. A, B, and C
normal microbiota
found in the
respiratory tract
can also cause
disease. Examples of
bacteria that can be
both normal
microbiota and
disease- causing
species include
A. Streptococcus
pneumoniae
B. Streptococcus
pyogenes
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,7/21/25, 8:40
AM
C. Staphylococcus
aureus
D. A and B, but not C
E. A, B, and C
Prevention of B. Antibiotic treatment
complications
associated with
Strep throat relies
on
A. Sterilization of
imported animal
hides
B. Antibiotic
treatment
C. Vaccination of
children
D. Vaccination of cattle
E. Water purification
Lower respiratory D. Interfere with oxygen-carbon dioxide
infections are exchange
usually considered
to be more
dangerous than
upper respiratory
tract infections
2/42
,7/21/25, 8:40
AM
because infections
in the lower
respiratory tract
A. Cause high fevers
B. Result in damage to
the tonsils
C. Are always caused
by viruses
D. Interfere with
oxygen-carbon
dioxide exchange
E. Lead to painful ear
infections
What should happen C. Testing should confirm the presence of S.
before antibiotics are pyogenes
prescribed for Strep
throat?
A. Pus-filled lesions
should be visible on
the tonsils
B. The patient should
develop toxic shock
syndrome
C. Testing should
confirm the presence
of
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, 7/21/25, 8:40
AM
S. pyogenes
D. Pneumonia should
have developed as a
secondary
infection
E. Children should
have received a flu
vaccination
Defenses of the E. Acidic conditions
respiratory system
include all of the
following EXCEPT
A. Mucus
B. Sneezing
C. Macrophages
D. Ciliary escalator
E. Acidic conditions
Transmission of B. Dry
agents that cause
upper respiratory
infections is
enhanced by the
____air of winter.
A. Snowy
B. Dry
4/42
AM
MBI 111 EXAM 3 QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTIONS VERIFIED GRADED
A++ 2025/2026
Terms in this set (85)
Certain types of E. A, B, and C
normal microbiota
found in the
respiratory tract
can also cause
disease. Examples of
bacteria that can be
both normal
microbiota and
disease- causing
species include
A. Streptococcus
pneumoniae
B. Streptococcus
pyogenes
1/42
,7/21/25, 8:40
AM
C. Staphylococcus
aureus
D. A and B, but not C
E. A, B, and C
Prevention of B. Antibiotic treatment
complications
associated with
Strep throat relies
on
A. Sterilization of
imported animal
hides
B. Antibiotic
treatment
C. Vaccination of
children
D. Vaccination of cattle
E. Water purification
Lower respiratory D. Interfere with oxygen-carbon dioxide
infections are exchange
usually considered
to be more
dangerous than
upper respiratory
tract infections
2/42
,7/21/25, 8:40
AM
because infections
in the lower
respiratory tract
A. Cause high fevers
B. Result in damage to
the tonsils
C. Are always caused
by viruses
D. Interfere with
oxygen-carbon
dioxide exchange
E. Lead to painful ear
infections
What should happen C. Testing should confirm the presence of S.
before antibiotics are pyogenes
prescribed for Strep
throat?
A. Pus-filled lesions
should be visible on
the tonsils
B. The patient should
develop toxic shock
syndrome
C. Testing should
confirm the presence
of
3/42
, 7/21/25, 8:40
AM
S. pyogenes
D. Pneumonia should
have developed as a
secondary
infection
E. Children should
have received a flu
vaccination
Defenses of the E. Acidic conditions
respiratory system
include all of the
following EXCEPT
A. Mucus
B. Sneezing
C. Macrophages
D. Ciliary escalator
E. Acidic conditions
Transmission of B. Dry
agents that cause
upper respiratory
infections is
enhanced by the
____air of winter.
A. Snowy
B. Dry
4/42
