Exam 29: The Immune System

If you see cytotoxic T cells,you know that a humoral response is underway.

If you were trying to block an antibody that was causing an autoimmune disease in a patient,in the antibody you would want to find a way to cover and inactivate the 

Which is an example of active immunity?

Which description is correctly matched with its term?

A preparation that "teaches" the immune system to recognize a disease-causing agent without actually causing disease is termed a(n)

What is not part of the innate defense response?

Rh incompatibility is due to an immune reaction to what by a pregnant woman?

A patient can have antibodies against many strains of HIV.Which is the main reason that an effective vaccine has not been produced for the HIV virus that causes AIDS?

You would know that a viral infection is ongoing in a body if you detect high levels of 

The type of T cell that is primarily responsible for the production of antibodies is the plasma cell.

Since fever is not always present,it is an example of adaptive immunity.

In the section "Investigating Life: The Hidden Cost of Hygiene," the hypothesis states that people who have

The second time that an immune system sees an antigen,a secondary immune reaction will take place.

The substance that when activated triggers a chain reaction that punctures bacterial cell membranes is

Which is an example of passive immunity?

Which of the following occurred during the coevolution of humans and pathogens that cause disease?

Fever is considered a defense mechanism because it

What would occur if the lymphatic system was absent?

HIV-positive people track the progress of their disease with blood tests that measure the number of

Histamine triggers vasodilation and leakiness in blood vessels during inflammation.This would be beneficial in fighting an infection by a pathogen because it would lead to