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pht 101 c5p4
chapter 5 part 4
| Question | Answer |
|---|---|
| Viruses Use energy of host cell to infect | the cell and make more virus |
| All viruses have some characteristics different from | uninfected cells |
| These differences in viruses offer ways to | block viral division |
| Normal cells are | not affected |
| Common and significant illnesses are | Influenza & Hepatitis, inflammation of the liver |
| HIV (human immunodeficiency virus) is a | Chronic disease to be managed |
| Pharmacy team stay alert for | drug interactions |
| The flu (influenza) with symptoms of | malaise, myalgia (muscle pain), headache, chills, and fever |
| Viral infections classified in two ways | Viral duration and severity |
| Acute | quickly resolves, no latent infection. Common cold, flu |
| Chronic | protracted course with long periods of remission interspersed with reappearance. Herpes virus infection |
| Slow | progressive course, ends in death. HIV (AIDS) |
| Local | affects tissues of a single system, such as the respiratory tract, eye, or skin |
| Generalized | has spread or is spreading to other tissues by way of bloodstream or tissues of the CNS |
| Virus lies dormant, then under certain conditions, | reproduces and behaves like an infective agent |
| Latency problem occure with | herpes virus and HIV |
| A virus can damage host cell by | Altering the cell, Incorporating into genetic material of host cell, Dividing when host cell divides, & Killing host cell |
| Most viruses have several | antigens on their surface |
| Antigens stimulate host to produce immunoglobulins which are | Antibodies that may prevent an organism from attaching to a cell receptor or may destroy organism |
| Some virus-infected cells respond by producing interferon which are | Substances that protects neighboring uninfected cells from viral infection by Inhibits viral RNA synthesis |
| Vaccination | Introduces a vaccine into the body to produce immunity to actual agent |
| Exposes patient to a virus component or a similar strain that | does not produce infection |
| When vaccinated patient encounters actual virus, | infection cannot develop |
| Who should receive an influenza vaccine? | High-risk patients such as healthcare workers, nursing home residents, public safety workers, individuals over 65 years old, and immunocompromised patients. |
| Body can produce | interferons |
Created by:
moekah
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