IMMUNE RESPONSE IN BIOCHEMISTRY QUIZ

In cellular immunity, T lymphocytes are responsible for the recognition and killing of foreign invaders. The cells are

cytotoxic T lymphocytes (CTL)

None of these

killer T cells

both (a) and (b)

TRUE ANSWER : ?
YOUR ANSWER : ?

If a person is vaccinated against a disease sometime in the past, which of the following is currently in your body?

All of these

A very high level of antibodies against the disease antigens

The disease organism itself and antigens for the disease organism

Memory B lymphocytes for the antigen of this disease organism

TRUE ANSWER : ?
YOUR ANSWER : ?

Polysaccharides on the surface of infecting microorganisms can also activate complement directly in the absence of

antibody via the alternative pathway

antibody via metabolic pathway

None of these

antigen via the alternative pathway

TRUE ANSWER : ?
YOUR ANSWER : ?

Immunological memory is due to

short lived macrophage that can recognize specific pathogens

long lived B cells that secrete a specific antigen

long lived B cells that secrete a specific antibody

short lived helper T cells that signal macrophage to divide

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following immune cells would have an especially low count in a patient with advanced AIDS?

B lymphocytes

Killer T lymphocytes

Helper T lymphocyte

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

What is a protein produced by host cells infected by viruses?

Vaccine

Antiserum

Histamine

Interferon

TRUE ANSWER : ?
YOUR ANSWER : ?

What are the solutions prepared from weakened or dead microorganisms, viruses, or toxins that provide some immunity from diseases?

Vaccines

Antibiotics

Drugs

Histamines

TRUE ANSWER : ?
YOUR ANSWER : ?

What is the result of an abnormal response of the immune system to part of a person's own body?

An autoimmune disease

An allergic response

Passive immunity

Cancer

TRUE ANSWER : ?
YOUR ANSWER : ?

Plasma cells produce thousands of __________ that are released into the bloodstream

helper T cells

virus fragments

antibodies

antigens

TRUE ANSWER : ?
YOUR ANSWER : ?

To detect a humoral immune response to influenza virus, it is possible to measure

cytotoxicity of virus-infected cells in tissue culture

serum antibody titer

dividing T cells in the draining lymph nodes

plasma cytokine levels

TRUE ANSWER : ?
YOUR ANSWER : ?