• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off

Card Range To Study



Play button


Play button




Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

46 Cards in this Set

  • Front
  • Back
Which DNA viruses are double stranded?
All DNA viruses except for Parvoviridae - Mnemonic: All are dsDNA like ours, except "Part-of-a-virus" which is ss.
Which DNA viruses are single stranded?
Which DNA viruses have linear genomes?
All except papova virus and hepadna which are circular
Which DNA viruses have circular genomes?
papova virus and hepadna which are circular
Which DNA viruses have infectious naked nucleic acids?
Most dsDNA Herpes, Adeno, Papov (except poxvirus and HBV)
Which DNA viruses have non-infectious naked nucleic acids?
poxvirus and HBV
Which enveloped viruses acquire their envelopes from the plasma membrane?
All except herpesviruses (nuclear membrane)
Which enveloped viruses acquire their envelopes from the nuclear membrane?
Only herpesviruses
Where do DNA viruses replicate?
In the nucleus (except pox)
DNA virus families
Mnemonic: DNA viruses are HHAPPPy - 1. Hepadna 2. Herpesviruses 3. Adenovirus 4. Parvovirus 5. Papovavirus 6. Poxvirus
Which DNA viruses are icosahedral?
All except pox (complex)
Which DNA viruses replicate in the nucleus?
All except pox (carries own DNA-dependent RNA polymerases)
Which DNA viruses are naked (no envelope)?
Mnem: Get naked for your PAP - 1. Parvo 2. Adeno 3. Papova
Which DNA viruses are enveloped?
HPH: 1. Hepadna 2. Pox 3. Herpes
Medical importance of HSV-1
1. Oral (and some genital) lesions (Gingivostomatitis) 2. Keratoconjunctivitis 3. Temporal lobe encephalitis
Medical importance of HSV-2
Genital (and some oral) lesions
Medical importance of VZV
1. Chickenpox 2. Shingles 3. Encephalitis 4. Pneumonia
Medical importance of EBV
1. Mononucleosis 2. Burkitt's lymphoma
Medical importance of CMV
1. Infection in immunosuppressed (especially transplant) 2. Congenital defects 3. Mononucleosis (negativie Monospot) 4. Pneumonia
Medical importance of HHV-6
Roseola (exanthem subitum): 1. High fever lasting 3 to 5 days which resolves and is followed by rash 2. Rash: mostly on trunk, lasting a day or two
Medical importance of HHV-8
Kaposi's sarcoma-associated herpesvirus
List of important Herpesviruses
1. HSV 1
2. HSV 2
3. VZV
4. EBV
5. CMV
6. HHV 6
7. HHV 8
Medical importance of Adenovirus
1. Febrile pharyngitis (sore throat) 2. Pneumonia 3. Conjunctivitis (pink eye)
Medical importance of Parvovirus
B19 virus causes: 1. Aplastic crises in sickle cell disease 2. "slapped cheeks" rash---erythema infectiosum (fifth disease) 3. Hydrops fetalis
List of Papova viruses
1. Papilloma 2. Polyoma (human BK and JC) 3. Simian Vacuolating virus (does not affect humans)
Medical importance of Papilloma virus
causes warts and cervical cancer, including CIN (cervical intraepithelial neoplasia)
Medical importance of JC virus
Progressive multifocal leukoencephalopathy in HIV
List of Pox viruses
1. Smallpox 2. Vaccinia (cowpox "milkmaid's blisters") 3. Molluscum contagiosum
How is HSV-1 transmitted?
Respiratory secretions and saliva
How is HSV-2 transmitted?
Sexual contact and perinatally
How is VZV transmitted?
Respiratory secretions
How is EBV transmitted?
Respiratory secretions, saliva
How is CMV transmitted?
1. Congenital 2. Transfusion 3. Sexual contact 4. Saliva 5. Urine 6. Transplant
How is HHV-8 transmitted?
Sexual contact
Treatment for CMV
Ganciclovir or Foscarnet
What kind of cell does Epstein Barr virus infect?
B cells
How does mononucleosis present?
1. Fever 2. Hepatosplenomegaly 3. Pharyngitis 4. Lymphadenopathy (especially posterior auricular nodes)
Peak incidence of mononucleosis
15-20 years old (peak kissing years)
Laboratory diagnosis of mononucleosis
1. Monospot test: Heterophil antibodies detected by agglutination of sheep RBCs. In EBV, positive. In CMV, negative. 2. Abnormal circulating CD8 cells.
Tzanck test
Smear of opened skin vesicle to detect multinucleated giant cells. Used to assay for HSV-1, HSV-2, VZV - Mnem: Tzanck heavens I do not have herpes. (helps if you do it in an eastern european accent)
DNA, DS, circular, enveloped virus?
DNA, DS, linear, enveloped virus?
Herpesviruses and Pox (largest DNA virus)
DNA, DS, linear, nonenveloped virus?
DNA, SS, -linear, nonenveloped virus?
DNA, DS, circular, nonenveloped virus?
DNA, DS, -linear, enveloped virus?