Exam (elaborations)
PHMY 610 HEPATOVIRIDAE & RETROVIRUSES EXAM 2 QUESTIONS AND VERIFIED ANSWERS
- Module
- Institution
PHMY 610 HEPATOVIRIDAE & RETROVIRUSES EXAM 2 QUESTIONS AND VERIFIED ANSWERS....
[Show more]
Seller
Follow
luzlinkuz
Reviews received
Content preview
PHMY 610 HEPATOVIRIDAE & RETROVIRUSES EXAM 2QUESTIONS AND VERIFIED ANSWERS
this is a family of pathogenic viruses which preferentially invade the cells of the
liver resulting in hepatitis
hepatoviridae
acute viral hepatitis is a short-term infection usually lasting how long??
4-8 weeks
chronic viral hepatitis is a persistent infection lasting how long??
longer than 6 months
acute viral hepatitis infection can be asymptomatic but what are some non-
specific viral symptoms that may be seen?
malaise, fever, aches, N/V, abdominal pain, joint pain
acute viral hepatitis infection can be asymptomatic but what are some more
specific symptoms that may be seen?
jaundice, icterus, dark urine, clay-colored stool
is chronic viral hepatitis usually symptomatic or asymptomatic
asymptomatic
what family is the hepatitis A virus in
picornaviridae
hepatitis A virus includes a capsid surrounding what type of genome
positive ssRNA genome
T/F: the hepatitis A virus is strongly resistant to inactivation such as acids and
detergents
true
how many serotypes does the hepatitis A virus have
, only 1
hepatitis A virus is transmitted how?
contaminated food and water (also blood) [fecal-oral route]
how does hepatitis A virus enter the bloodstream
from epithelial lining of oropharynx or intestines
once hepatitis A virus travels to the liver, what does it attach to
parenchymal cells of the liver
where does hepatitis A virus replicate
hepatocytes and kupffer cells of the liver and then released into bile and stool
T/F: hepatitis A virus is cytolytic and is not shed via exocytosis
false, it is NOT cytolytic and is shed via exocytosis
hepatitis A virus has heavy viral shedding approximately ______ days before
symptoms appear
10 days
what are some components of innate immunity involved in hepatitis A virus
response
interferon, NK cells, cytotoxic T cells
what are some components of adaptive immunity involved in hepatitis A virus
response
antibody, complement (leads to icterus and increased ALT)
T/F: antibody protection vs hepatitis A virus is long term
true
how % of acute hepatitis is caused by hepatitis A virus
40%
what are some risk factors for hepatitis A virus transmission
overcrowded, unsanitary conditions, day-care centers, homeless population
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller luzlinkuz. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £11.01. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75632 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now
Recently viewed by you
