Exam (elaborations)
Microbiology Quiz1
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Exam of 7 pages for the course Dental Hygiene Oxford College Semester I at Dental Hygiene Oxford College Semester I (Quiz 1)
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Which virus is the causative agent of mumps?Paramyxovirus
Parvovirus
Adenovirus
Coronavirus
Which of the following statements are appropriately stated on viruses?
1. Hepadnaviruses are RNA viruses cause hepatitis.
2. Herpesviruses can remain latent in nervous tissues.
3. Bird flu is caused by a coronavirus.
4. Viruses are obligate intracellular parasites.
1, 2 and 3
1 and 2
2 and 4
2, 3 and 4
Which one of the following infections is latent?
Slapped cheek
Cold sore
Parainfluenza
Hepatitis E
Which of the following statements best describes “quorum-sensing molecules”?
They cause mutations in bacterial DNA.
They maintain bacterial levels in biofilms.
They cause bacterial resistance to antibiotics.
They make bacteria resistant to extreme conditions.
Which one of the following statements best describes “slow infection”?
The microbe is present for a short period and occasionally detectable.
The microorganism persists for a long period and causes cytocidal infections.
The infection is present for a long period without significant symptoms.
The disease has a significant long-term incubation period.
Which group of microorganisms belongs to prokaryotes?
Algae
Viruses
Fungi
Bacteria
, Which one of the following viruses has RNA genome?
Herpesvirus
Adenovirus
Parvovirus
Coronavirus
Which statement describes prions appropriately?
They are composed of proteins and nucleic acid.
They cause severe nervous system infections.
They are susceptible to physicochemical agents.
They have short incubation period.
Case scenario:
JP is a 29 year-old female presenting to the Emergency Department with myalgia (muscle
pain), and rhinorrhea (lots of mucus fluid in the nasal cavity) and bleeding nose. Her
symptoms began approximately 1 day ago and are continuous, steadily getting worse. She is
having significant nasal discharge but minimal cough. She has no significant past medical
history, and takes no routine medications. She was finally diagnosed with a virus containing H
and N proteins.
How can this infection be transmitted from a patient to a healthy person?
This infection is not transmitted between humans.
Via poultry products
Via respiratory droplets
It varies based on the source of infection.
Which one of the following infections is caused by a prion?
Rabies
Leprosy
Kuru
Typhus
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