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A2 clinical immunology Quiz on Clinical Immunology - Natural Resistance MCQs and Fill in the blanks, created by suyog gurung on 16/06/2022.

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Clinical Immunology - Natural Resistance MCQs and Fill in the blanks

Question 1 of 25

1

Natural resistance (EP) is a non-specific, innate form of
protection:

Select one of the following:

  • Yes

  • No

Explanation

Question 2 of 25

1

The skin and mucous membranes have antimicrobial action:

Select one of the following:

  • True

  • Incorrect

Explanation

Question 3 of 25

1

The complement system is a cellular component of innate
immunity:

Select one of the following:

  • Yes

  • No

Explanation

Question 4 of 25

1

NK cells (natural killers) perform intracellular killing of microorganisms and tumor cells:

Select one of the following:

  • True

  • incorrect

Explanation

Question 5 of 25

1

Opsonization facilitates the phagocytosis of bacteria:

Select one of the following:

  • Yes

  • No

Explanation

Question 6 of 25

1

The functions of complement are related to:

Select one of the following:

  • Antibody-dependent cellular cytotoxicity (ADCC)

  • Lysis of cells, including bacterial

  • Participation in antigen processing and presentation

  • Opsonization by the C3b particle

  • All answers are correct

Explanation

Question 7 of 25

1

Where is the presence of lysozyme detected?

Select one or more of the following:

  • In sweat glands

  • In tears and saliva

  • In the skin

  • In the serum and in the mucous secretions of the mucous membranes

  • There is no correct answer

Explanation

Question 8 of 25

1

Which of the following molecules are acute phase proteins:

Select one of the following:

  • C-reactive protein (CRP)

  • Interferon-a

  • Lactoferrin

  • Endotoxin

  • Exotoxin

Explanation

Question 9 of 25

1

Which of the following cytokines are produced by mononuclear
phagocytes:

Select one of the following:

  • IL2 and IL4

  • IFN-gamma and IFN-beta

  • TNF-alpha, IL1 and IL6

  • All answers are correct

  • there is no correct answer

Explanation

Question 10 of 25

1

NK cells (natural killers) perform the following functions:

Select one of the following:

  • Activation of complement

  • ADCC

  • Synthesis of antibodies

  • Lysis of virus-infected cells

  • All answers are correct

Explanation

Question 11 of 25

1

Receptors for the Fc fragment of immunoglobulins have the following cells:

Select one or more of the following:

  • T-lymphocytes

  • Neutrophils

  • Macrophages

  • Dendritic cells

  • All listed

Explanation

Question 12 of 25

1

In the mucous secretions he most often finds:

Select one of the following:

  • IgG

  • IgA

  • IgE

  • IgM

  • IgD

Explanation

Question 13 of 25

1

The activation of the complement by the alternative route is carried out by:

Select one or more of the following:

  • Bacterial lipopolysaccharides and autoantibodies (eg C3-nephritic factor)

  • C-reactive protein (CRP) and other acute phase proteins

  • Antigen-antibody complexes

  • Peptidoglycan

  • All listed

Explanation

Question 14 of 25

1

Toll-like receptors (TLRs) are characterized by:

Select one or more of the following:

  • Are located on the surface of T and B lymphocytes

  • Are found on the surface of macrophages and dendritic cells

  • Are detected by binding to antibodies

  • Bind to PAMP (pathogen-associated molecular patterns) structures of bacteria and viruses

  • Activate complete

Explanation

Question 15 of 25

1

Typical of innate immunity is that:

Select one of the following:

  • Is an adaptive form of protection

  • Is inherited and has a non-specific effect

  • Has a memory

  • All answers are correct

  • There is no correct answer

Explanation

Question 16 of 25

1

Fill the blank spaces to complete the text.

How many ways are there to activate the complement system?
1.
List them
1.
2.
3.

Explanation

Question 17 of 25

1

Fill the blank spaces to complete the text.

The following cells are defined as "professional" phagocytes
performing effective phagocytosis:
1.
2.

Explanation

Question 18 of 25

1

Fill the blank spaces to complete the text.

Humoral factors of natural resistance include:


Explanation

Question 19 of 25

1

Fill the blank spaces to complete the text.

Cytokines are that are synthesized
by , .

Explanation

Question 20 of 25

1

Fill the blank spaces to complete the text.

The main mechanisms for intracellular killing of bacteria in
phagocytosis are - ,

Explanation

Question 21 of 25

1

Fill the blank spaces to complete the text.

C3 particle cleavage?
Answer:

Explanation

Question 22 of 25

1

Fill the blank space to complete the text.

C5a and C3a particles of complement?
Answer:

Explanation

Question 23 of 25

1

Fill the blank spaces to complete the text.

Ostrophase cytokines?
Answer: and

Explanation

Question 24 of 25

1

Fill the blank space to complete the text.

Interferon-alpha and beta?
Answer:

Explanation

Question 25 of 25

1

Fill the blank space to complete the text.

C5-9 complement fractions form?
Answer:

Explanation

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