IMMUNE RESPONSE IN BIOCHEMISTRY QUIZ

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

An allergic response

Passive immunity

An autoimmune disease

Cancer

TRUE ANSWER : ?
YOUR ANSWER : ?

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

macrophages and antigens

antibodies

all of these

lymphocytes

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

A very high level of antibodies against the disease antigens

The disease organism itself and antigens for the disease organism

All of these

Memory B lymphocytes for the antigen of this disease organism

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

All of these

Lymph ducts that enter and exit the nodes and Lymph fluid

Trapped viruses that have been roaming the body

Huge numbers of white blood cells

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

Interferon

Histamine

Vaccine

Antiserum

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Immunological memory is due to

long lived B cells that secrete a specific antigen

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

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

mouse of a different strain

goat

rat

mouse of the same genetic background (strain)

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

Drugs

Vaccines

Antibiotics

Histamines

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

cytotoxic T lymphocytes (CTL)

killer T cells

None of these

both (a) and (b)

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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

antigen via the alternative pathway

None of these

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