Ch. 25 questions Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Question | Answer |
What is the principal cause of the common cold? | rhinoviruses |
If you have 113 bouts of rhinovirus, will you be immune for the rest of your life? | no--immunity lasts only one year |
what is the major site of infection for adenoviruses? | upper respiratory tract |
How many adenoviral infections can an individual experience? | at least 50 |
What are the two surface virulence proteins of the influenza virus? | neuraminidase and hemagglutinin |
What is the function of neuraminidase and hemagglutinin? | neuraminidase--breaks down protective mucous layer that lines the throat--hemagglutinin--attaches to ciliated epithelial cells in throat--virus can enter and kill cells |
Pandemic | worldwide epidemic |
Antigenic drift | mutational change in hemagglutinin and neuraminidase genes |
Antigenic shift | complete hemagglutinin gene change |
what is the cause of death in those who have influenza? | cause of death in those with influenza is secondary to bacterial pneumonia |
How do amantadine, ribavirin, and zanamivir function? | inhibit uncoating, viral RNA replication, and jeuraminidase, respectively |
What is the overall effectiveness of influenza vaccines? | overall effectiveness of influenza vaccines in 70-80%--save many lives |
Parotitis | inflammation of the parotid(salivary) glands caused by mumps virus |
Orchitis | inflammation of the testes caused by mumps virus |
What two diseases are caused by varicella-zoster virus, and how are they transmitted? | chicken pox and shingles--chicken pox--transmitted via resp tracct droplets--shingles--latent--occurs when endogenous viruses reactivated |
Who is at risk for rubella virus? | a fetus, especially during the first trimester, is at risk for rubella virus |
Who is given rubella vaccine? | general population given rubella vaccine to protect the unborn |
What is MMR? | single dose vaccine for mumps, measles, and rubella |
List the alternative name for measles | seven-day measles |
List the alternative name for rubella | 3-day measles or German measles |
Who is at risk for respiratory syncytial virus (RSV)? | infants and young children |
What needs to be done when an RSV case appears in a neonatal ward? | infected children isolated and treated with ribavirin via respirator--health-care workers should wear protective equipment |
What two tissue types are predominately infected by poliovirus? | alimentary canal and neurons in the spinal column |
How do we prevent paralytic polio? | vaccination with the salk(killed virus) and Sabin(live-attenuated virus) vaccines |
Created by:
heatherlvn
Popular Science sets