Ch.13-14 Flashcards
what is a “bubo”?
Swollen, painful lymph node.
Another common name for the bubonic plague was “Black Death”. Why this name?
Because as the disease progressed, it would often result in dark purple or black hemorrhage.
What is a common name for Tularemia?
Rabbit Fever
The bacterium Francisella tularensis causes:
Tularemia or “Rabbit Fever”
Rickettsia prowazekii bacterium causes what disease?
Typhus
Coxielli burnetii bacterium causes what disease?
Q Fever
What is the vector for typhus?
body lice
Describe the 3 phases of Lyme disease.
- Bullseye red rash
- Flu-like symptoms
- Immune complex disorders or arthritis
The bacterium Yersinia pest is causes what?
bubonic plague
What is an arbovirus?
An arthropod borne virus
Name 3 hemohrragic fevers or diseases.
Ebola virus
Marburg disease
Hantavirus
How are arboviruses spread?
Mosquitoes
List 3 arboviral encephalatides common in the USA.
St. Louis Encephalitis
California Encephalitis
Eastern Equine Encephalitis
How has yellow fever been controlled in the USA?
Mosquito control
What cancer is associated with HBV?
Hepatocellular carcinoma
What is CMV and what does it cause?
Cytomegalovirus causes approx. 10% of mononucleosis cases. It can reactivate in the mother during the 3rd trimester and cause birth defects.
Where do Epstein Barr Virus (EBV) and cytomegalovirus (CMV) remain latent?
In the white blood cells
What is the infectious form of malaria that infects red blood cells?
merozoites
What is a common treatment for malaria and where is it found?
Quinine
Tree bark
List the 2 major body sites for malarial infection.
Liver and red blood cells
How do humans acquire toxoplasma gondii?
From handling cat fecies
Is HIV RNA or DNA?
RNA
What rare cancer is remarkably high in AIDS patients?
Kaposi’s Sarcoma due to re activation of the herpes virus 8
What does the drug Zidovudine treat? How does it work.
Fights aids through reverse transcriptase inhibition.
What is a retrovirus?
A virus that has the enzyme reverse transcriptase which can synthesize a double strand of DNA from a single strand of RNA.
What is the receptor for HIV attachment to cells and which cells have
this receptor?
The T-cell receptor in CD4 cells