Microbiology Chapter 17 (OpenStax)
Which of the following best describes the innate nonspecific immune system? - correct answer a
generalized and nonspecific set of defenses against a class or group of pathogens
Which of the following constantly shed dead cells along with any microbes that may be attached to
those cells? - correct answer epidermis
Which of the following uses a particularly dense suite of tight junctions to prevent microbes from
entering the underlying tissue? - correct answer the blood-brain barrier
Which of the following serves as chemical signals between cells and stimulate a wide range of
nonspecific defenses? - correct answer cytokines
Bacteriocins and defensins are types of which of the following? - correct answer antimicorbial peptides
Which of the following chemical mediators is secreted onto the surfaces of the skin? - correct answer
sebum
Identify the complement activation pathway that is triggered by the binding of an acute-phase protein to
a pathogen. - correct answer lectin
Histamine, leukotrienes, prostaglandins, and bradykinin are examples of which of the following? - correct
answer erythocytes
White blood cells are also referred to as which of the following? - correct answer leukocytes
Hematopoiesis occurs in which of the following? - correct answer bone marrow
Granulocytes are which type of cell? - correct answer leukocyte
PAPMs would be found on the surface of which of the following? - correct answer pathogen
Which of the following best describes the innate nonspecific immune system? - correct answer a
generalized and nonspecific set of defenses against a class or group of pathogens
Which of the following constantly shed dead cells along with any microbes that may be attached to
those cells? - correct answer epidermis
Which of the following uses a particularly dense suite of tight junctions to prevent microbes from
entering the underlying tissue? - correct answer the blood-brain barrier
Which of the following serves as chemical signals between cells and stimulate a wide range of
nonspecific defenses? - correct answer cytokines
Bacteriocins and defensins are types of which of the following? - correct answer antimicorbial peptides
Which of the following chemical mediators is secreted onto the surfaces of the skin? - correct answer
sebum
Identify the complement activation pathway that is triggered by the binding of an acute-phase protein to
a pathogen. - correct answer lectin
Histamine, leukotrienes, prostaglandins, and bradykinin are examples of which of the following? - correct
answer erythocytes
White blood cells are also referred to as which of the following? - correct answer leukocytes
Hematopoiesis occurs in which of the following? - correct answer bone marrow
Granulocytes are which type of cell? - correct answer leukocyte
PAPMs would be found on the surface of which of the following? - correct answer pathogen
