Question: Use the following image to answer question 23. What type of organism is infected by the viruses shown below?
Answer Options: Fungus Bacteria Archaea Humans Correct Answer: Bacteria
Question: During which stage of infection does a patient recover or become terminal?
Answer Options: Invasion Prodromal Convalescent Incubation Correct Answer: Convalescent
Question: Endocarditis is an example of what type of infection?
Answer Options: Localized Systemic Mixed Foca Correct Answer: Systemic
Question: The E. coli strains responsible for urinary tract infections (UTIs) produced specialized structures that have an adhesion protein (FimH) that allow them to attach to the urethra.
Answer Options: Capsules Fimbriae Pili Slime layers Correct Answer: Pili
Question: Who created the smallpox vaccine using what related virus?
Answer Options: Edward Jenner/monkeypox Joseph Lister/monkeypox Edward Jenner/cowpox Correct Answer: Edward Jenner/cowpox
Question: Which of the following has the highest infectious dose necessary to cause disease?
Answer Options: Chickenpox (inhalation) Measles (inhalation) Gonorrhea (sexual contact) Viral encephalitis (mosquito bite) Correct Answer: Gonorrhea (sexual contact)
Question: The bacterial genus most responsible for (initial) plaque formation on teeth is:
Answer Options: Staphylococcus Streptococcus Borrelia Bifidobacterium Helicobacter Correct Answer: Streptococcus
Question: You are talking to a relative who was recently diagnosed with stomach ulcers. They say that the doctors want them to start a course of antibiotics, but your relative thinks that reducing stress and spicy foods will work just as well. You tell them that you have learned about this in micro class, and in fact stomach ulcers are caused by
Answer Options: Lactobacillus rhamnosus Helicobacter pylori Streptococcus pyogenes Bacillus anthracis Correct Answer: Helicobacter pylori
Question: Viruses acquire envelopes during:
Answer Options: replication assembly release entry Correct Answer: release
Question: Normal microbiota provide protection from infection in each of the following ways EXCEPT:
Answer Options: they produce antibacterial chemicals. they compete with pathogens for nutrients. they make the chemical environment unsuitable for nonresident bacteria. they produce lysozyme. Correct Answer: they produce lysozyme.
Question: Which of the following viruses has its RNA genome replicated by first using the host RNA Polymerase to generate a negative template strand?
Answer Options: Smallpox HIV Polio Influenza Correct Answer: Influenza
Question: Which of the following viruses have been eradicated from human
populations thanks to vaccination? Answer Options: Measles HIV HPV Smallpox Correct Answer: Smallpox
Question: Which of the following viruses does NOT have an animal (non-human) vector?
Answer Options: Zika Hantavirus Rabies Smallpox Correct Answer: Smallpox
Question: When a negative-strand RNA virus is replicated inside the host cell:
Answer Options: The RNA must first be reverse transcribed to DNA. The positive RNA strand acts as the template to make the genome of new viruses. A positive RNA strand must be synthesized to act as the template for genomes of new viruses. Correct Answer: A positive RNA strand must be synthesized to act as the template for genomes of new viruses.
Question: __________ is present at birth and aids in defending against any invading pathogen.
Answer Options: Innate immunity Adaptive immunity Correct Answer: Innate immunity
Question: ____________ is an example of a holobiont.
Answer Options: The Iceberg Effect The SARS CoV-2 pandemic A coral reef A systemic infection Correct Answer: A coral reef
Question: The only hepatitis virus with a DNA genome is:
Answer Options: Hepatitis A (HAV) Hepatitis B (HBV) Hepatitis C (HCV) Hepatitis E (HEV) Correct Answer: Hepatitis B (HBV)
Question: Pregnancy is associated with what change in the composition of the human gut microbiome?
Answer Options: Increase in the population of methanogens Reduction in the population size of Proteobacteria and Actinobacteria Increase in the number of Firmicutes Increase in the population size of Proteobacteria and Actinobacteria Correct Answer: Increase in the number of Firmicutes
Question: Which of the following is an example of a zoonotic disease?
Answer Options: Hantavirus Ebola Rabies All of the above are zoonotic diseases Correct Answer: All of the above are zoonotic diseases