PT 1

Descrição

DDDD
Jon dL
Quiz por Jon dL, atualizado more than 1 year ago
Jon dL
Criado por Jon dL quase 8 anos atrás
17
0

Resumo de Recurso

Questão 1

Questão
The field of immunology expanded along with the development of vaccines. The first widely used vaccine was against the human disease smallpox and was developed from the
Responda
  • vaccinia virus
  • variola virus
  • monkeypox virus
  • chickenpox virus

Questão 2

Questão
The person who coined the term ‘chemotherapy’ and was the first to focus research efforts on the development of drugs to treat infectious disease was
Responda
  • Edward Jenner
  • Louis Pasteur
  • Paul Ehrlich
  • Alexander Fleming

Questão 3

Questão
A “magic bullet” drug to stop HIV replication might be
Responda
  • inhibition of nucleic synthesis by Rifamycin
  • inhibition of reverse transcriptase by Lamivudine
  • inhibition of protein synthesis by Streptomycin
  • inhibition of microtubule function by Mebendazole

Questão 4

Questão
What type of dendritic cell releases CCL 19 and 21 attracting B cells to the lymph nodes?
Responda
  • Dendrite
  • APC Dendritic
  • Follicular Dendritic

Questão 5

Questão
Which complement pathway(s) result in complement fixation?
Responda
  • Alternative
  • Lectin
  • Classical
  • All (alternative, lectin, classical)

Questão 6

Questão
A cell that has a differentiated Heavy (mew) chain and has not yet undergone light chain rearrangement is known as?
Responda
  • Pro-B cell
  • Pre-B cell
  • Mature B cell
  • Immature B cell

Questão 7

Questão
Neutrophils secrete many cytokines.
Responda
  • True
  • False

Questão 8

Questão
Innate immunity is required for adaptive immunity to occur.
Responda
  • True
  • False

Questão 9

Questão
Which of the following is not a granulocyte?
Responda
  • Eosinophil
  • Basophil
  • Monocyte
  • Neutrophil

Questão 10

Questão
A ‘magic bullet’ drug to control an infection with Candida albicans (thrush) or Tinea pedis (athlete’s foot) might target which of the following?
Responda
  • Ergosterol
  • 70S ribosomes
  • Peptidoglycan

Questão 11

Questão
Your 1st defense against infection is
Responda
  • Macrophages
  • Neutrophils
  • Skin and mucosal membranes
  • Lymphocytes

Questão 12

Questão
Which of the following is NOT a phagocyte?
Responda
  • Macrophage
  • Neutrophil
  • Dendritic cell
  • Natural Killer cell

Questão 13

Questão
I am a cell that plays an important role: -in innate immunity -as an antigen presenting cell -in the initiation of adaptive immunity I am a:
Responda
  • Basophil
  • Neutrophil
  • Dendritic cell
  • Natural Killer cell

Questão 14

Questão
An example of a primary lymphoid organ is:
Responda
  • Spleen
  • Appendix
  • Thymus
  • Peyer’s patch

Questão 15

Questão
The success of vaccination relies on development of a good memory response. Immunological memory develops during the __________ immune response and results in higher antibody titers in the __________ response:
Responda
  • Innate, primary
  • Innate, secondary
  • Adaptive, primary
  • Adaptive, secondary

Questão 16

Questão
What is an immediate (first) complement response of our innate immune system to bacterial infection?
Responda
  • Classical pathway
  • Lectin pathway
  • Alternative pathway
  • Garden pathway

Questão 17

Questão
Which complement pathway is activated by antibody?
Responda
  • Classical
  • Alternative
  • Lectin
  • All of the above

Questão 18

Questão
Complement activation results in:
Responda
  • Increased opsonization
  • Increased inflammatory response
  • Formation of a membrane attack complex
  • All of the above

Questão 19

Questão
Cells which are most important in immune surveillance for tumor cells are:
Responda
  • TH1 and TH2 cells
  • TH2 and B cells
  • TH1 and B cells
  • NK and CD8 T cells

Questão 20

Questão
A tumor occurring in a lymph node would be called:
Responda
  • Leukemia
  • Sarcoma
  • Lymphoma
  • Carcinoma

Questão 21

Questão
The Ames test allows detection of:
Responda
  • Carcinogens
  • Mutagens
  • Tumors
  • Proto-oncogenes

Questão 22

Questão
If an autoantibody is made against a cell-surface antigen, the autoimmune disease is considered a:
Responda
  • Type I
  • Type II
  • Type III
  • Type IV

Questão 23

Questão
Autoimmune diseases can be described as:
Responda
  • Over-reaction of the human systems to harmless environmental antigens.
  • Under reaction of the immune system to harmless environmental antigens.
  • Gain of tolerance to self-antigens.
  • Loss of tolerance to self-antigens.

Questão 24

Questão
An example of a minor histocompatibility complex antigen is:
Responda
  • XSCID
  • H-Y
  • HVGD
  • H-DR

Questão 25

Questão
If one wants to minimize the chance of GVHD following a hematopoietic cell transplants, one could administer the cytotoxic drug:
Responda
  • Rapamycin
  • Tacrolimus
  • Methotrexate
  • Prednisone

Questão 26

Questão
The main tissues affected by GVHD are:
Responda
  • Skin, liver and GI tract
  • Kidney, liver and heart
  • Skin, kidney and liver
  • Hair, kidney and skin

Questão 27

Questão
_____ transplants do not require extensive HLA matching, but _____ transplants do.
Responda
  • Cornea, liver
  • Heart, cornea
  • Liver, bone marrow
  • Bone marrow, cornea

Questão 28

Questão
A drug that inhibits IL-2 production is:
Responda
  • Azathioprine
  • Tacrolimus
  • Methotrexate
  • Prednisone

Questão 29

Questão
In dengue infection cross-reactive memory T cells recovered exhibited a higher affinity to variant epitopes representing serotypes of previous exposure – a phenomenon called:
Responda
  • Antibody-dependent enhancement
  • ADCC
  • Original antigenic sin
  • Immune complexes

Questão 30

Questão
Inflammatory cytokine _____ levels have been shown to be higher in DHF than in DF suggesting a role in vascular plasma leakage.
Responda
  • IFN-gamma, IL-2
  • TNF-alpha, IL-1
  • IL-10, IL-2
  • IL-6, IL-4

Questão 31

Questão
The genome of dengue virus is _____ and contains _____ genes.
Responda
  • 11 kb; 10
  • 15 kb; 20
  • 20 kb; 30
  • 25 kb; 40

Questão 32

Questão
Currently DHF and DSS represent _____ of total hospitalized dengue cases.
Responda
  • 1-25%
  • 10-50%
  • 2.5-40%
  • 5-220%

Questão 33

Questão
Dengue virus is a:
Responda
  • Filovirus
  • Flavivirus
  • Herpes virus
  • Rhinovirus

Questão 34

Questão
Anaphylatoxins produced by activated complement include:
Responda
  • C4b and C2a
  • C3b and C4a
  • C3a and C5a
  • C2b and C3a

Questão 35

Questão
Therapeutic monoclonal antibodies can affect the target cell by:
Responda
  • Inhibition of calcineurin and induction of apoptosis
  • Inhibit JAK 3 and induction of apoptosis
  • Block or down regulate surface molecules and induction of apoptosis
  • Disrupt DNA replication

Questão 36

Questão
When a graft is considered to have stable function, treatment is modified from:
Responda
  • Xenobiotics to biological
  • Biologicals to maintenance
  • Induction to maintenance
  • Xenobiotics to induction

Questão 37

Questão
Based on data presented by Andrew Read, the regimen for malaria treatment determined by the WHO actually:
Responda
  • Decreases competition by sensitive organisms allowing an increase in resistant organisms in an individual
  • Increase the number of resistant transmission-state organisms
  • Increases transmission of resistant organisms
  • All of the above

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