IMMUNE RESPONSE IN BIOCHEMISTRY QUIZ

Immunological memory is due to

long lived B cells that secrete a specific antibody

short lived helper T cells that signal macrophage to divide

short lived macrophage that can recognize specific pathogens

long lived B cells that secrete a specific antigen

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Antibiotics

Vaccines

Drugs

Histamines

TRUE ANSWER : ?
YOUR ANSWER : ?

To elicit the best antibodies to mouse MHC I, it should be injected into a

rat

mouse of the same genetic background (strain)

goat

mouse of a different strain

TRUE ANSWER : ?
YOUR ANSWER : ?

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

B lymphocytes

None of these

Killer T lymphocytes

Helper T lymphocyte

TRUE ANSWER : ?
YOUR ANSWER : ?

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

None of these

antibody via metabolic pathway

antigen via the alternative pathway

antibody via the alternative pathway

TRUE ANSWER : ?
YOUR ANSWER : ?

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

killer T cells

cytotoxic T lymphocytes (CTL)

both (a) and (b)

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Antiserum

Histamine

Interferon

Vaccine

TRUE ANSWER : ?
YOUR ANSWER : ?

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

virus fragments

helper T cells

antibodies

antigens

TRUE ANSWER : ?
YOUR ANSWER : ?

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

plasma cytokine levels

cytotoxicity of virus-infected cells in tissue culture

serum antibody titer

dividing T cells in the draining lymph nodes

TRUE ANSWER : ?
YOUR ANSWER : ?

Immunogenicity

depends on the ability of the native antigen to be presented by MHC

is not a property of haptens

is usually a property of self antigens such as eye tissue

is not a property of antibodies

TRUE ANSWER : ?
YOUR ANSWER : ?

↑