MICR270 PRACTICE TEST QUESTIONS WITH VERIFIED ANSWERS
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Course
MICR270
Institution
MICR270
MICR270 PRACTICE TEST QUESTIONS WITH VERIFIED ANSWERS
What is the contraction phase? - Answer-After pathogens have been eliminated, apoptosis occurs to most activated lymphocytes
Name the phases of the adaptive immune response? - Answer-ALEC Maldwin
Antigen recognition
Lymphocyte activatio...
MICR270 PRACTICE TEST QUESTIONS
WITH VERIFIED ANSWERS
What is the contraction phase? - Answer-After pathogens have been eliminated,
apoptosis occurs to most activated lymphocytes
Name the phases of the adaptive immune response? - Answer-ALEC Maldwin
Antigen recognition
Lymphocyte activation
Elimination of pathogens
Contraction
Memory
Why does the adaptive immune system need a process called antigen presentation? -
Answer-Adaptive system has many specific cells, each able to recognize one antigen.
Antigen presentation is important to determine which cells need to be activated to
encounter specific invader during an infection
Which processes are induced during lymphocyte activation? - Answer-Differentiation
Clonal Expansion
At which step of the adaptive immune response is it determined if the type of immunity
induced is Humoral or Cell-Mediated? - Answer-It's a non-specific attack - host mounts
both systems to clear pathogen.
What is the best way to fashion new therapies against certain pathogens? - Answer-
Finding out which adaptive immune response (humoral or cell-mediated) worked
against pathogen
Why do immune cells die after elimination of pathogen? - Answer-No longer needed,
would take up too much energy in body.
Could also cause more damage.
Main advantage of memory cell? - Answer-Reinfection by same pathogen can be
automatically targeted.
What does MHC stand for? - Answer-major histocompatibility complex
Which mechanism allows for the differentiation of self vs. non self? - Answer-MHC.
Ensures host doesn't attack itself.
Which molecules display antigenic peptides on the surface of cells? - Answer-MHC
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