Exam 20: Vaccination: Protection and Prevention or Peril Immune System,

True or false: Both first- and second-line defenses are specific defense mechanisms that are able to distinguish one pathogen from another.

Which disease is caused by bacteria that can paralyze respiratory muscles?

An individual receives a flu vaccine and is well protected for the current flu season. The following flu season, the individual fails to get another flu vaccine and comes down with the flu. What is the most likely explanation for vaccine ineffectiveness in the subsequent flu season?

What does the DPT vaccine protect against?

Where are developing lymphocytes tested to determine whether they'll bind to self-proteins?

Which structure(s) represent a first line of defense against pathogens?

Why does HIV cause disease in people?

True or false: The relationship between the protist, Plasmodium, that causes malaria and its host is beneficial to both of them.

What happens during an allergic reaction?

When individuals are first infected with HIV, early symptoms are flu-like, but when the immune system responds, people recover from these flu-like symptoms and then can become asymptomatic for as long as 10 years. However, HIV eventually wins its battle with the immune system, and individuals will eventually show symptoms of AIDS. Why does HIV eventually win its battle with the immune system?

Where would you be most likely to encounter E. coli bacteria?

An individual contracts Lyme disease. In this case, how did transmission occur?

Which cells are important elements that comprise cell-mediated immunity?

In which gland do T cells undergo further maturation?

What disease is caused by the Epstein-Barr virus?

-Refer to the figure to answer the following question: Which statement about viruses is correct?

Why would individuals with HIV sometimes contract a pneumonia infection that's rare in the rest of the population?

What can happen when a complement protein encounters an antibody-antigen complex marking a pathogen?

Which situation has contributed to widespread antibiotic resistance?

A mother, father, and son live together in the same house. The mother passes a cold to her son. The son then passes the cold to his father. If the virus has not mutated, should the mother be worried about catching the cold again from her husband?