Microbiology Chapter 17 (OpenStax)
Test Questions with Detailed Answers
2026-2027 Updated.
Which of the following best describes the innate nonspecific immune system? - 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? - Answer epidermis
Which of the following uses a particularly dense suite of tight junctions to prevent microbes
from entering the underlying tissue? - Answer the blood-brain barrier
Which of the following serves as chemical signals between cells and stimulate a wide range of
nonspecific defenses? - Answer cytokines
Bacteriocins and defensins are types of which of the following? - Answer antimicorbial
peptides
Which of the following chemical mediators is secreted onto the surfaces of the skin? - Answer
sebum
Identify the complement activation pathway that is triggered by the binding of an acute-phase
protein to a pathogen. - Answer lectin
Histamine, leukotrienes, prostaglandins, and bradykinin are examples of which of the following?
- Answer erythocytes
White blood cells are also referred to as which of the following? - Answer leukocytes
Hematopoiesis occurs in which of the following? - Answer bone marrow
Granulocytes are which type of cell? - Answer leukocyte
PAPMs would be found on the surface of which of the following? - Answer pathogen
Test Questions with Detailed Answers
2026-2027 Updated.
Which of the following best describes the innate nonspecific immune system? - 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? - Answer epidermis
Which of the following uses a particularly dense suite of tight junctions to prevent microbes
from entering the underlying tissue? - Answer the blood-brain barrier
Which of the following serves as chemical signals between cells and stimulate a wide range of
nonspecific defenses? - Answer cytokines
Bacteriocins and defensins are types of which of the following? - Answer antimicorbial
peptides
Which of the following chemical mediators is secreted onto the surfaces of the skin? - Answer
sebum
Identify the complement activation pathway that is triggered by the binding of an acute-phase
protein to a pathogen. - Answer lectin
Histamine, leukotrienes, prostaglandins, and bradykinin are examples of which of the following?
- Answer erythocytes
White blood cells are also referred to as which of the following? - Answer leukocytes
Hematopoiesis occurs in which of the following? - Answer bone marrow
Granulocytes are which type of cell? - Answer leukocyte
PAPMs would be found on the surface of which of the following? - Answer pathogen
