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WGU D311 MICROBIOLOGY WITH LAB SECTION 2 EXAM
NEWEST VERSION -2025/2026- 100+ QUESTIONS AND
VERIFIED ANSWERS 100% CORRECT GUARANTEED SUCCESS
Which infected host would be considered a passive carrier?
A healthcare professional who does not wash their hands after seeing an infected
patient.
How is Giardia lamblia, the causative of giardiasis, transmitted?
Contaminated food or water.
Which organism is the definitive of Toxoplasma gondii?
Cats
Which disease is transmitted by animals but not arthropods?
Rabies
Which eukaryote is responsible for producing antibiotics to ward off bacterial
competitors?
Fungi
Which symbiotic relationship is an example of mutualism?
The relationship between humans and the Escherichia coli colonizing the human
gut.
Which type of symbiotic relationship exists between the E. coli that inhibit the
human gut and the humans who utilize the vitamin K produced by E. coli?
Mutualism
Describe resident microbiota.
Resident microbiota constantly live on the human body.
, 2
Which relationship is exhibited by intestinal E. coli and their human host?
Mutualism
Which type of disease is transmitted from animals to humans?
Zoonotic diseases
Which type of disease is acquired in hospital settings?
Nosocomial diseases
Which portal of exit can expel the most viral particles?
Respiratory
Which type of disease is sickle cell anemia?
Noninfectious
Which type of transmission occurs when tuberculosis is spread through small
particles expelled by a cough?
Droplet transmission
Which type of transmission occurs when pathogens are spread from mother to
child during breastfeeding?
Vertical direct contact transmission
Which type of transmission occurs when an arthropod carries a viral pathogen
inside of its body?
Biological vector transmission
Which type of transmission occurs through contact with a fomite?
Indirect contact transmission
How can adhesins be described?
Adhesins found on the surface of pathogens bind to receptors of hist cells.
Describe a portal of entry.
WGU D311 MICROBIOLOGY WITH LAB SECTION 2 EXAM
NEWEST VERSION -2025/2026- 100+ QUESTIONS AND
VERIFIED ANSWERS 100% CORRECT GUARANTEED SUCCESS
Which infected host would be considered a passive carrier?
A healthcare professional who does not wash their hands after seeing an infected
patient.
How is Giardia lamblia, the causative of giardiasis, transmitted?
Contaminated food or water.
Which organism is the definitive of Toxoplasma gondii?
Cats
Which disease is transmitted by animals but not arthropods?
Rabies
Which eukaryote is responsible for producing antibiotics to ward off bacterial
competitors?
Fungi
Which symbiotic relationship is an example of mutualism?
The relationship between humans and the Escherichia coli colonizing the human
gut.
Which type of symbiotic relationship exists between the E. coli that inhibit the
human gut and the humans who utilize the vitamin K produced by E. coli?
Mutualism
Describe resident microbiota.
Resident microbiota constantly live on the human body.
, 2
Which relationship is exhibited by intestinal E. coli and their human host?
Mutualism
Which type of disease is transmitted from animals to humans?
Zoonotic diseases
Which type of disease is acquired in hospital settings?
Nosocomial diseases
Which portal of exit can expel the most viral particles?
Respiratory
Which type of disease is sickle cell anemia?
Noninfectious
Which type of transmission occurs when tuberculosis is spread through small
particles expelled by a cough?
Droplet transmission
Which type of transmission occurs when pathogens are spread from mother to
child during breastfeeding?
Vertical direct contact transmission
Which type of transmission occurs when an arthropod carries a viral pathogen
inside of its body?
Biological vector transmission
Which type of transmission occurs through contact with a fomite?
Indirect contact transmission
How can adhesins be described?
Adhesins found on the surface of pathogens bind to receptors of hist cells.
Describe a portal of entry.
