Bacteria and viruses are examples of pathogens. - correct answer True
Skin belongs to the body's ______ line of defense. - correct answer first
Fever and inflammation belong to the body's ______ line of defense. - correct answer second
What is the third line of defense against pathogens? - correct answer Specific defenses
Adaptive immunity is part of the body's ______ line of defense. - correct answer third
Organisms that cause disease, such as bacteria or fungi, are considered___? - correct answer pathogens
Which line of defense consists of external barriers? - correct answer First
Which features of skin offer immunoprotection? - correct answer The presence of lactic acid
The presence of defensins
The presence of a continuous barrier to the external environment
What does the body's second line of defense against pathogens consist of? - correct answer Antimicrobial proteins, leukocytes, and macrophages
Which line of defense not only defeats a pathogen but also leaves the body with a "memory" of it? - correct answer Third
The type of defense that provides future protection against a pathogen is called ______ immunity. - correct answer adaptive ______ are granulocytes with a multi-lobed nucleus that destroy bacteria by means of phagocytosis, intracellular digestion, and secretion of bactericidal chemicals. - correct answer Neutrophils
The respiratory burst by neutrophils leads to the production of which of the following?
Superoxide anion
Heparin
Hypochlorite
Hydrogen peroxide
Histamine - correct answer Superoxide anion
Hypochlorite
Hydrogen peroxide
The external barrier that is coated with antimicrobial chemicals such as lactic acid, dermicidin, and defensins is ______. - correct answer the skin
Which leukocyte destroys bacteria by means of phagocytosis, intracellular digestion, and the secretion of
bactericidal chemicals? - correct answer Neutrophil
When a neutrophil discharges its enzymes into the tissue fluid, they are said to ______. - correct answer degranulate
Name the leukocyte that would help a patient combat a parasitic tapeworm infection. - correct answer Eosinophil
Which is an anticoagulant secreted by basophils and mast cells? - correct answer heparin
The respiratory burst by neutrophils leads to the production of which of the following?
Superoxide anion
Hypochlorite
Heparin