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8 Jan 2018

which non specific cell type is most likely to ingest pathegions and a presenta fragments of these pathogens to specfici immune cells ?

antibodies

macrophages

helper T cells

mast cells cytoxic T cells

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17 May 2022
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Related questions

PHYSIOLOGY QUESTION:

Which of the following statements is true?

A. MHC II are found only on helper T cells

B. Dendritic cells can obtain antigen fragments in the skin and carry them to the lymph nodes to present

C. Interferon is used to kill bacterial pathogens

D. IgM antibodies are single unit antibodies that can cross the placenta

1.T cytoxic cells bear a receptor that is used to identify it distinctly from other immune cells. The receptor is know as cluster of differentiation CD-----------.

2. place the immunity concepts in order referencing basic immunity organization levels lines of Defense 1,2,3

A. HCL or Tears
B. Engulfing pathogens or Fever
C. Infected cell killing or immunoglobulin prosuction

3.Opsonizationot is best represented by this matching pair.

A. natural killer human cell with virus
B. Ts down regulate immune responses
C. B, cell Fc antibody class
D. neutrophils serrations marrescens
E. CD4+CXCR4 co-receptor binding and entry

4. what is the HIV protein that is involved in attachment of the virus to human immune cells?

5. identify the HIV antiviral drug that would stop the virus from exiting the helper Tcell.

isentres

retro vir

crixivan

mouse enzyme

selzentry

6. The maim type of immune cell infected by HIV are the -----------cells in the course of an infection.

7.All of the following are physical barriers to pathogens except

unbroken skin

mucous

hairs

tears

t cellso

8. B cells are activated by?

9. plasma cell best description?

function in cell mediated immunity

are derived from T lymphocytes

produce and secrete antibodies

responsible for making complement protein

10. when does the lectin pathway for the complement systems achieved it's goal

1. it begins with antibodies similar to the classical pathway

2. the goal happen during a lost of function

3. once C3 breaks a part the 3 goalso of the complement system begin

4. when complement protein B,D and P , are attracted to the pathogen






Over years, a virus-infected cell slowly transformed into a cancerous cell exposing (due to mutations) changed antigens, i.e. proteins, on its cell surface. Which of the following cells of the immune system are most likely to recognize and attack this transformed cell?

A) tissue macrophages B) neutrophils C) natural killer (NK) cells

D) cytotoxic T cells

E) plasma cells

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