IMMUNE RESPONSE IN BIOCHEMISTRY QUIZ

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

B lymphocytes

Helper T lymphocyte

Killer T lymphocytes

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

dividing T cells in the draining lymph nodes

cytotoxicity of virus-infected cells in tissue culture

serum antibody titer

plasma cytokine levels

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 : ?

Immunological memory is due to

short lived macrophage that can recognize specific pathogens

short lived helper T cells that signal macrophage to divide

long lived B cells that secrete a specific antibody

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

killer T cells

both (a) and (b)

None of these

cytotoxic T lymphocytes (CTL)

TRUE ANSWER : ?
YOUR ANSWER : ?

Antibodies bound to an invading microorganism activate the complement system via

metabolic pathway

Entner-Doudoroff pathway

Embden Meyerhof pathway

classical pathway

TRUE ANSWER : ?
YOUR ANSWER : ?

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

mouse of the same genetic background (strain)

mouse of a different strain

rat

goat

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Interferon

Antiserum

Vaccine

Histamine

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is in the lymph nodes of a person battling a cold virus?

Trapped viruses that have been roaming the body

Lymph ducts that enter and exit the nodes and Lymph fluid

All of these

Huge numbers of white blood cells

TRUE ANSWER : ?
YOUR ANSWER : ?

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

antibodies

macrophages and antigens

all of these

lymphocytes

TRUE ANSWER : ?
YOUR ANSWER : ?