11 DECEMBER 2021 CURRENT AFFAIRS QUIZ

The chemical, typically released by the body in an allergic response is

allergens

histamine

perforins

antihistamines

TRUE ANSWER : ?
YOUR ANSWER : ?

Infants are most susceptible to bacterial infection due to low circulating levels of IgG

in utero (before birth)

at 12-24 months of age

at 0-3 months of age

at 3-12 months of age

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YOUR ANSWER : ?

An autoimmune disease is

AIDS

Measles

Mumps

Lupus

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A monoclonal antibody (mAb) specific for the 2,4-dinitrophenyl (DNP) hapten might also bind

Ser or Thr

His or Pro

Leu or Ileu

Tyr or Phe

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YOUR ANSWER : ?

Chronic granulomatous disease results from a failure to perform oxidative burst. This deficiency would be most likely to interfere with

infected cell processing of virus peptides

dendritic cell activation to become a mature APC

macrophage intracellular killing of bacteria

CTL killing of viruses

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YOUR ANSWER : ?

Which of the Rous sarcoma virus has a homologous cellular protein?

c-src

v-ha-ras

v-src

v-ha-src

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DiGeorge's syndrome is characterized by the lack of a thymus The mouse model closest to this human disease would be a

knock-out mouse for RAG-1 and RAG-2

nude mouse

knock-out mouse for a thymus

recombinant mouse for CD3

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YOUR ANSWER : ?

The HIV virus infects primarily

liver cells

brain cells

red blood cells

cells in the immune system

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YOUR ANSWER : ?

To treat HIV infections using drugs, the major problem is that

the drugs that are good inhibitors cannot by synthesized

the virus particles with altered (mutant) proteases arise

the drugs interfere with normal digestion

the drugs are rapidly degraded

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YOUR ANSWER : ?

Bone marrow given to an infant with SCID must

contain mature T cells that can begin making immune responses immediately

come from one of the child's parents

come from a donor that shares some MHC alleles with the recipient

be irradiated to eliminate GVHD

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