MICROBIOLOGY 2420 EXAM 4 UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

MICROBIOLOGY 2420 EXAM 4 UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS

Question:
1. Select each of the options below that Corresponds to characteristics of adenoviruses
Answer:
All are correct

Question:
2. The administration of smallpox vaccine was curtailed because it was found to be ineffective.
Answer:
False

Question:
3. Please choose which set of circumstances would likely result in transmission of HBV from one
individual to another to test your understanding of the known mechanisms of HBV transmission.
Answer:
Unprotected sexual intercourse with multiple partners

Question:
4. How is the husband's shingles related to the wife's chickenpox?
Answer:
The same virus is responsible for both diseases

Question:
5. How is this pathogen generally acquired?
Answer:
Inhalation of respiratory droplets

Question:
6. Why was it important that the woman had never before had chickenpox?
Answer:
Having chickenpox typically provides life-long immunity against reinfection

Question:
7. What was the significance of the woman's IgM antibodies against varicella-zoster virus the day after her
first doctor visit?
Answer:
The presence of IgM antibodies indicates a new current infection

Question:
8. How is the severity of chickenpox linked to age?
Answer:
Chickenpox is more severe in adults

, Question:
9. How can the woman in this case have been protected against infection with the chickenpox virus?
Answer:
- by receiving the chickenpox vaccine
- by having chickenpox earlier in life
- by consuming only properly prepared foods and pasteurized milk

Question:
10. Smallpox vaccination has been curtailed because there is no longer a threat of the disease in the United
States, although the vaccine is still recommended for travelers to some foreign countries.
Answer:
False

Question:
11. One complication associated with Epstein-Barr virus is cancer
Answer:
True

Question:
12. The Zostavax vaccine is indicated for the prevention of shingles prior to the onset of an episode of
chickenpox.
Answer:
False

Question:
13. Match the human herpesvirus to the disease with which they have been implicated.
Answer:
1.) human herpesviruses 6 and 7- Roseola
2.) human herpesvirus 8- Kaposi's sarcoma

Question:
14. Poxviruses are unique in that they
Answer:
- possess an envelope
- lack a nucleocapsid
- have a double stranded RNA
- possess their own mitochondria

Question:
15. Choose the human tissue most commonly targeted by herpes simplex viruses.
Answer:
mucous membranes

Question:
16. For which viral infection do effective vaccines currently exists?