viro Flashcards
1
Q
- Steps involved in virus pathology (life cycle) include in this order:
- Uncoating 2. Attachment
- Release 4. Assembly
a. 1-2-3-4
b. 2-1-4-3
c. 1-3-2-4
d. 2-4-1-3
A
d. 2-4-1-3
2
Q
- Which of the following is the causative agent for molluscum contagiosum?
a. Parvovirus
b. Hepandavirus
c. Reovirus
d. Flavivirus
e. none
A
NONE OF THE ABOVE
Molluscum contagiosum is caused by Poxvirus
3
Q
- Which of the following does not belong to the Herpesviridae family?
a. Cytomegalovirus (CMV)
b. Roseolovirus
c. Herpes Simplex Virus 1
d. Hepatitis B Virus
A
d. Hepatitis B Virus
4
Q
- All are DNA virus except:
a. Coronavirus
b. Poxvirus
c. Adenovirus
d. Parvovirus
e. Papilloma virus
A
a. Coronavirus
5
Q
- In 1798, Edward Jenner found the vaccine for____ which paved the way to its eradication.
a. Smallpox
b. Poliovirus
c. Dengue
d. Japanese encephalitis virus
A
a. Smallpox
6
Q
- The following are the characteristics of viruses but not bacteria:
a. Obligate intracellular parasites - virus
b. Sensitive to interferon - virus
c. Can pass through bacteriological filters
d. All of the above
e. None of the above
A
d. All of the above
7
Q
- The following can be transmitted through the fecal oral route, except:
a. Poliovirus (MOT: respiratory/gastrointestinal; fecal-oral)
b. Rotavirus (MOT: Fecal - oral)
c. Norovirus (MOT: Ingestion of contaminated shellfish and water; fecal-oral)
d. A, B and C
e. A and B only
A
According sa book (readings) the first three are transmitted through fecal-oral route so anong sagot??
8
Q
- The following are RNA virus that are non-enveloped except:
a. Picornaviridae
b. Reoviridae
c. Hepadnaviridae
d. A, B and C
e. NOTA
A
c. Hepadnaviridae (DNA virus)
9
Q
- Subtyping of influenza is based on what protein?
a. Hemagglutinin and neuraminidase
b. Neuraminidase and nucleoprotein
c. Matrix and hemagglutinin
d. Hemagglutinin and M2 protein
A
a. Hemagglutinin and neuraminidase
10
Q
- Syncytia formation is the characteristic CPE of which respiratory virus?
a. Influenza
b. RSV - respiratory syncytial virus
c. Adenovirus
d. Coronavirus
e. AOTA
A
b. RSV - respiratory syncytial virus
11
Q
- This dengue virus protein has been known for virion attachment to the receptor and fusion of the virus envelope with the membrane.
a. E protein
b. NS1 protein
c. NS4 protein
d. C protein
A
a. E protein
12
Q
- It was first isolated in horse in California and majority of the cases recorded were found in the west of Mississippi River
a. Eastern Equine Encephalitis virus
b. Western Equine Encephalitis virus
c. St. Louis Encephalitis virus
d. La Crosse
A
b. Western Equine Encephalitis virus (Rubella virus from Togaviridae)
13
Q
- The Togavirus known to produce fetal defects
a. Influenza
b. Rotavirus
c. Rubella
d. Chikungunya
A
c. Rubella - Book: The virus can infect the developing fetus, causing multiple congenital anomalies
14
Q
- Which of the ff. genera belong to Paramyxoviridae family?
1 – Morbilivirus 2 – Rubulavirus
3 – Human Metapneumovirus 4 - Rubivirus - TOGAVIRUS
a. 1 and 3 only
b. 2 & 4 only
c. 1, 2, 3
d. 1, 2, 3, 4
A
c. 1, 2, 3
15
Q
- A 12-year-old boy experienced difficulty in swallowing and swelling behind the ears. A cell culture was done using his saliva and virus was found to be:
a. Parainfluenza
b. RSV
c. Rubulavirus
d. Morbilivirus
A
c. Rubulavirus
16
Q
- The etiologic agent of many common colds is RNA virus that grows better at 33°C rather than 37°C. This virus belongs to:
a. Adenovirus
b. Paramyxovirus
c. Orthomyxovirus
d. Rhinovirus
A
d. Rhinovirus -MAJOR CAUSE OF COLD VIRUS
17
Q
- Cell culture consisting of malignant tumor cells
a. Primary monkey kidney - animal tissue
b. Human embryonic kidney - embryonic tissue
c. HeLa cell line
A
c. HeLa cell line
18
Q
- The latency of this virus is the dorsal root ganglia
a. HSV1
b. VZV
c. EBV
d. CMV
A
b. VZV
19
Q
- An emerging FILOVIRUS with 80% fatality rate is the:
a. Marburg hemorrhagic fever
b. Ebola
c. Nairovirus
d. Hantavirus
A
b. Ebola
20
Q
- A type of Picornavirus that causes HERPANGINA is:
a. Poliovirus - Flaccid Paralysis
b. Coxsackie A
c. Coxsackie B - Epidemic Myalgia
d. Enterovirus
A
b. Coxsackie A
21
Q
- Selection of the appropriate type of specimen includes:
a. Proper Specimen Source
b. Timing of collection
c. Correct sample volume
d. AOTA
A
d. AOTA
22
Q
- The fusion between the infected host cells and additional nearby host cells forming multinucleated cells is termed as:
a. Cell lines
b. Syncytia
c. Viral Tropism
d. NOTA
A
b. Syncytia
23
Q
- Antigenic shift and drift can be noted in which of the following virus family?
a. Reoviridae
b. Picornaviridae
c. Orthomyxoviridae
d. Flaviviridae
A
c. Orthomyxoviridae
24
Q
- All but one includes arthropod borne viruses
a. Flaviviridae
b. Filoviridae
c. Bunyaviridae
d. Togaviridae
A
b. Filoviridae
25
25. Which of the following is known to produce GRAPE-LIKE CPE?
a. B19 virus
b. EBV
c. CMV
d. Adenovirus
d. Adenovirus
26
26. TZANCK SMEAR is used to demonstrate viral inclusions of:
a. EBV
b. CMV
c. HSV
d. HHV-6
d. HHV-6
Varicella/ HHV3?
27
27. Which of the following pairs between hepatitis virus and virus family is incorrect?
a. HEV – Hepeviridae
b. HCV – Filoviridae
c. HAV – Picornaviridae
d. HBV – Hepadnaviridae
e. NOTA
b. HCV – Filoviridae - FLAVIVIRIDAE
28
28. Possession of F protein that could trigger fusion of virus infected cells to produce a large cell is noted in which of the following?
a. Reovirus
b. Echovirus - picornavirus
c. RSV - paramyxovirus
d. Astrovirus
e. NOTA
c. RSV - paramyxovirus
29
29. Reverse transcriptase is unique to which of the following viruses?
a. HIV
b. HBV
c. HDV
d. AOTA ???
e. A and B only
e. b. HBV
30
30. The viral agent of Acute respiratory distress
a. Adenovirus - respiratory involvement
b. BK virus - kidney
c. JC virus - lymphocytes
d. Astrovirus - gastroenteritis
a. Adenovirus - respiratory involvement
