Review for Exam 4

Viral diseases

1. Describe the structure of a virus (capsid, nucleic acid, envelope, spikes)
2. How are viruses classified? (What traits)
3. Bonus: give an example of a virus with a) ssRNA b) ssDNA c) dsRNA d) dsDNA e) 3 genes f) complex shape g) diploid genome h) icosahedral shape
4. What function/purpose do protein spikes have? (What do the NA and HA spikes of influenza virus do?)
5. Describe the 'life cycle' of an enveloped retrovirus
6. Describe the life cycle of a naked dsDNA virus
7. List 10 major virus families with an example for each
8. If a person came down with a respiratory syndrome (cough/coryza/pharyngitis), which viruses would you possibly test for?
9. How do you diagnose a viral illness? What are some problems faced by a clinician?
10. A patient arrives at a clinic with a rash visible on his face and limbs. Name some possible viral causes for this rash. How could you distinguish between these diagnoses?
11. Describe the virology of AIDS (virus, pathogenesis, treatments, symptoms)
12. What is an arbovirus? Give 3 examples of diseases caused by them.
13. What viruses are likely to be the causes of:
    1. respiratory syndromes
    2. skin rashes
    3. hepatitis
    4. gastroenteritis
    5. sexually transmitted disease

Fungal/protozoan diseases

1. What is the cause of the following infections? Distinguish fungal/protozoan, body part/system affected, main symptom
2. Which of these are zoonotic? Vector-borne? STDs?
3. Which of these diseases are particularly seen in AIDS?

1. Which of these diseases is
   • associated with house cats
   • endemic in dogs
   • often found in caves and bats ('spelunker's disease')
   • carried by sand flies
   • considered to be an STD
   • carried by ticks
   • the most deadly on a worldwide scale
   • also known as athlete's foot and jock itch
   • a frequent cause of meningitis
   • transmitted in contaminated water
   • caused by a ciliate
   • responsible for facial disfigurement