This microbe is commonly found in the respiratory tract, and pathogenic forms have a
capsule. There is a vaccine available to prevent respiratory infections in children less
than 2 years of age and adults of 64 years of age and older. A pure culture and Gram-
staining of the microbe yields a purple bacterium that is spherical in shape. This
microbe is: - Answers Streptococcus pneumoniae
This microbe causes a characteristic rash with intense itching. Infected individuals
may have up to five-hundred blisters that are very itchy. Infection with this microbe
can be serious, however, it is now preventable via a vaccine. Individuals may harbor
the microbe and it may reactivate into a painful rash later in life. This microbe is: -
Answers Varicella zoster virus
This microbe is typically transmitted via contaminated blood or by sharing of needles
or other drug-injecting paraphernalia. Most people who are exposed to the microbe
recover without long-term consequence, however, 15-30% of the time, people will
develop chronic infection affecting the liver. This microbe is: - Answers Hepatitis C
virus
Which cell can specifically identify virus infected cells and trigger apoptosis? -
Answers Cytotoxic T lymphocyte
It is possible for individuals infected with influenza to transmit the virus to others one
day before showing symptoms and as long as five days after becoming ill. - Answers
True
The influenza vaccine consists of killed virus or weakened virus, but neither form can
give you a flu infection. - Answers True
Every year a new flu vaccine must be developed to account for the fact that the strains
that circulate globally change every year. - Answers True
The nasal spray form of the flu vaccine is approved for use in people from 2-49 years
who are not pregnant and healthy. - Answers True
Which mechanism of antigen-antibody binding leads to coating of a bacterium, virus,
or toxin with antibody, preventing it from being able to adhere (stick to and infect)
mucosa? - Answers neutralization
Which mechanism of antigen-antibody binding leads to coating of a microbe to allow
for enhanced phagocytosis? - Answers opsonization
Plague is caused by the bacterium Yersinia pestis and is found in rodent fleas in the
United States in rural and semi-rural areas, usually in semi-arid forests and grasslands.
Surveillance by scientists indicates that plague bacteria are constantly circulating at
low rates within rodents like prairie dogs and chipmunks. If plague is suspected
and/or diagnosed, it is required by law to be reported to local authorities This disease
is best described as: - Answers reportable, endemic
From 2002 to 2003, a viral disease spread from China and went on to spread
worldwide, causing widespread fear. Epidemiologists investigating the source of
infection, identified civets and raccoon dogs that harbored the virus in live animal
markets in the Shenzeng Province in China. Based on the potential reservoir of the
virus and the global spread of the disease, it was: - Answers zoonotic, Severe acute
respiratory syndrome (SARS) virus
What condition makes it more likely for a person to acquire a healthcare-associated
infection? - Answers - immunosuppression
- catheterization
- respiratory equipment