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Nursing 120 Immune system questions with correct answers.
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Nursing 120 Immune system questions with correct answers.
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Nursing 120 Immune system questions with correctanswers
Virus Correct Answer-non-living particle that contains genetic material
and hijacks your cells to reproduce
can viruses be "killed by antibiotics Correct Answer-No. They are only
for bacteria
Bacteria Correct Answer-living organisms that have a metabolism, have
DNA and can reproduce on their own.
Can bacteria be killed by antibiotics? Correct Answer-yes, because they
target key processes such as production of the bacterial cell wall.
Non-specific external barriers Correct Answer-skin, mucous membranes
innate immune response Correct Answer-phagocytic and natural killer
cells, inflammation and fever
adaptive immune response Correct Answer-cell-mediated immunity,
humoral immunity
first line of defense Correct Answer-intact skin, mucus, cilia and
phagocytes
,role of mucus Correct Answer-contains lysozymes that destroy bacterial
cell walls
role of cilia Correct Answer-in the respiratory tract moves mucus out of
the lungs to keep bacteria and viruses out.
role of phagocytes Correct Answer-seek and destroy invaders, some also
destroy damaged body cells
What are phagocytes? Correct Answer-several types of white blood
cells, including macrophages and neutrophils
what signals inflammation? Correct Answer-mast cells
What do mast cells release? Correct Answer-histamine
What does histamine do? Correct Answer-causes fluids to collect around
an injury to dilute toxins, causing swelling
What is the role of fever? Correct Answer-a defense mechanism that can
destroy many types of microbes
How does fever fight viral infections? Correct Answer-by increasing
interferon production
, specific defenses Correct Answer-defenses that give us immunity to
certain diseases
specific defenses action: Correct Answer-forms a chemical "memory" of
the invading microbe, so when encountered again it can react quickly so
few/no symptoms are felt
major players of specific defenses Correct Answer-macrophage, T cells,
B cells, antibodies
Types of T cells Correct Answer-helper, cytotoxic, memory
Types of B cells Correct Answer-plasma and memory
Antibody Correct Answer-a protein produced by the human immune
system to tag and destroy invasive microbes
antibiotic Correct Answer-various chemicals produced by certain soil
microbes that are toxic to many bacteria, some are used as medicine
antigen Correct Answer-any protein that our immune system uses to
recognize self vs not self
what are antibodies assembled out of? Correct Answer-Protein chains
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