Exam 19: Vaccinations: Protection and Prevention or Peril? Immune System

An individual suffers a bite from a bat, resulting in the transmission of the virus that causes rabies. In this case, infection occurred through

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

Both B cells and T cells make up the third line of defense against pathogens but do so in different ways. B cells

The pathogen Mycobacterium tuberculosis can remain dormant in the ________ for an extended period of time.

You have developed an antibiotic that inhibits a bacterial enzyme critical for the formation of the cell wall. However, after only a short time, the bacteria become resistant to the antibiotic, and it's no longer effective. Which of the following may be a mechanism by which the bacteria are no longer sensitive to your antibiotic?

Mucus traps pathogens that are later coughed or sneezed away. This is an example of activity from the body's

Developing lymphocytes are tested in the ________ to determine whether they'll bind to self-proteins.

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

An individual contracts Lyme disease. In this case, transmission occurred through

U.S. health officials are considering different ways of preparing for a future worldwide epidemic of human influenza that could be derived from a form of the disease that infects birds (avian flu). Which of the following actions would be useful in preventing a future influenza epidemic?

Which of the following things happen during an autoimmune disease such as multiple sclerosis?

Bacteria reproduce by a process known as

________ cells of the immune system will help the body respond more quickly if the infectious agent is encountered again.

Which immune system protects the body from its own cancerous cells?

Ingestion of foods is a major route of transmission for which of the following?

Injecting a person with a killed-bacteria vaccine can protect that individual from a disease because the proteins of the killed bacteria

Which of the following are important elements that comprise antibody-mediated immunity?

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

The Sabin vaccine is a liquid containing weakened polio viruses. Vaccinated individuals become protected against polio because the weakened viruses

Which specific defense mechanism defends primarily against antigens in body fluids?