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MCMP422 Exam 1 2024 New Update Questions And Accurate Answers
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MCMP422 Exam 1 2024 New Update Questions And Accurate AnswersPart of the inspiration for discovering the process of vaccination was because Edward
Jenner noted that milkmaids in rural England were less likely to contract the deadly
disease of smallpox. Why was this the case?
a) It is a mystery to this day why milkmaids don't suffer from smallpox
b) The milk from cows contains antibodies against smallpox
c) If milkmaids were exposed to cowpox they would be immune to smallpox
d) Milkmaids were exposed to smallpox patients less frequently than most of the English
population becausethey lived in rural areas
c) If milkmaids were exposed to cowpox, they would become immune to smallpox
Which one of the following statements is FALSE about the role of barriers in the immune
system?
a) Barriers are a line of defense that a pathogen encounters before the innate and
adaptive immune system
b) Genetic changes are a type of barrier defense that ensure the elimination of
pathogens out of the body; c) The pathogen enters the body at different locations
covered by skin; d) Skin acts as physical and chemical barrier against the entry of
pathogens; e) Mucus is a viscous fluid layer of glycoproteins, proteoglycans, and
enzymes that help to hinder the infection of pathogens.
b) Genetic alteration is a form of barrier defense that ensures the pathogens are cleared
from the body
Which one of the following has characteristics or definition that is incorrectly paired?
a) Hematopoiesis - process occurring in the bone marrow
b) Innate immunity - defense system having a high degree of specialization
c) Adaptive immunity - involving B cells and T cells
d) Innate immunity - it precedes the adaptive in the body's defense against pathogens
e) Adaptive immunity - associated with memory lymphocytes
b) Innate immunity - highly specialized defense system
Which of the following is TRUE regarding the lymph system?
, a) Blood is part of the lymph system
b) The lymph node is the site of production of neutrophils
c) The fluid that passes through the lymph vessels is pumped by the action of the heart
d) Lymph nodes are the sites where antigens activate the immune system
d) Lymph nodes are the sites where antigens activate the immune system
Which of the following pairs is matched CORRECTLY?
a) neutrophils: more numerous than erythrocytes (RBCs)
b) natural killer cell: phagocytosis of virus
c) macrophage: killing of infected host cells
d) megakaryocyte: production of platelets
e) eosinophil: transport of oxygen
d) megakaryocyte: production of platelets
Which of the following therapies is the most promising but still experimental approach to
eradicate an Clostridium difficile infection?
a) Influenza vaccination
b) Broad spectrum antibiotic that targets a wide variety of microbial species
c) Intravenous administration of polyclonal antibodies against the Clostridium difficile
bacteria
d) Performing a fecal transplant to repopulate the gastrointestinal flora
e) Hydration to treat the dehydration caused from diarrhea
d) Performing a fecal transplant to repopulate the gastrointestinal flora
Which of the following is true about Reg3b?
a) Commensal bacteria decrease expression of Reg3b
b) Reg3b binds to complement on the surface of the pathogen
c) Reg3b binds to peptidoglycan in gram positive cell walls
d) Reg3b is an antimicrobial protein expressed in the lymph node
e) Clostridium difficile are highly resistant to Reg3b
c) Reg3b binds to peptidoglycan in gram positive cell walls
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