IMMUNE RESPONSE IN BIOCHEMISTRY QUIZ

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

cytotoxicity of virus-infected cells in tissue culture

plasma cytokine levels

dividing T cells in the draining lymph nodes

serum antibody titer

TRUE ANSWER : ?
YOUR ANSWER : ?

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

virus fragments

antigens

antibodies

helper T cells

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Passive immunity

An allergic response

Cancer

An autoimmune disease

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YOUR ANSWER : ?

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

Histamine

Interferon

Vaccine

Antiserum

TRUE ANSWER : ?
YOUR ANSWER : ?

During exposure to a foreign invader, there are more __________ present in the vertebrate body than before exposure

lymphocytes

macrophages and antigens

all of these

antibodies

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The immune response to a booster vaccine is called a(n)

secondary response

cellular response

primary response

innate response

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YOUR ANSWER : ?

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

Helper T lymphocyte

Killer T lymphocytes

None of these

B lymphocytes

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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 : ?

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

both (a) and (b)

killer T cells

None of these

cytotoxic T lymphocytes (CTL)

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 : ?