Question 1

Mucus and sweat contain which damage and kill bacteria.

Accepted Answer

A)   salts
B)   complement fragments
C)   antimicrobial peptides
D)   NOD proteins
E)   antibodiesF) C) and E)
G) B) and C)

Question 2

Sweat glands produce (lysozyme/dermcidin/acid), which destroys the cell wall of bacteria by cleaving the bonds between the sugar subunits present in the wall.

Accepted Answer

The answer of Sweat glands produce (lysozyme/dermcidin/acid), which destroys the...

Question 3

Intact skin layers are part of the bodyʹs (first/second/third) line of defense against pathogens.

Accepted Answer

The answer of Intact skin layers are part of the...

Question 4

The components of the second line of defense against microbes may be characterized as

Accepted Answer

A)   passive barriers.
B)   responders to invasion.
C)   detecting the unique features of specific pathogens.
D)   mechanisms to strengthen the first line of defense.
E)   both passive barriers and detecting specific pathogen features.F) A) and E)
G) C) and E)

Question 5

Response to specific pathogens that can improve with subsequent exposure is

Accepted Answer

A)   the first line of defense.
B)   the second line of defense.
C)   the third line of defense.
D)   microbial antagonism.
E)   innate immunity.F) A) and E)
G) None of the above

Question 6

Structures and products of pathogens that immune cells detect and respond to are called

Accepted Answer

A)   NODs.
B)   TLRs.
C)   PAMPs.
D)   leukotrienes.
E)   prostaglandins.F) B) and D)
G) B) and E)

Question 7

What is phagocytosis? What does it involve?

Accepted Answer

Phagocytosis is a process by which a cel...

Question 8

The (epithelial/goblet/mucous) cells in the tracheal mucous membrane produce mucus.

Accepted Answer

The answer of The (epithelial/goblet/mucous) cells in the tracheal mucous...

Question 9

Which of the following are chemotactic factors for phagocytes?

Accepted Answer

A)   chemokines
B)   peptide fragments from complement
C)   interferons
D)   interferons and chemokines
E)   chemokines and peptide fragments from complementF) C) and E)
G) A) and B)

Question 10

First line of defense may be described as

Accepted Answer

A)   intact skin, mucous membranes, sebum, tears, and so forth.
B)   the release of prostaglandins and leukotrienes in response to microbes.
C)   damage resulting in cell lysis.
D)   nonspecific leukocytes that secrete toxins onto the surface of virally infected cells.
E)   the coating of a pathogen by complement.F) None of the above
G) A) and B)

Question 11

Which of the following cells can use nonphagocytic means to kill bacteria?

Accepted Answer

A)   neutrophils
B)   eosinophils
C)   natural killer cells
D)   macrophages
E)   both eosinophils and neutrophilsF) B) and C)
G) A) and C)

Question 12

A monocyte leaves a capillary in the lungs and enters the lung tissue. It then matures to become a(n)

Accepted Answer

A)   microglial cell.
B)   dendritic cell.
C)   goblet cell.
D)   alveolar macrophage.
E)   mast cell.F) A) and B)
G) C) and E)

Question 13

The play a role in preventing neoplastic cells from progressing to cancer.

Accepted Answer

A)   NK cells
B)   basophils
C)   mast cells
D)   neutrophils
E)   eosinophilsF) C) and E)
G) B) and D)

Question 14

Phagocytic cells in the epidermis known as contribute to its ability to prevent microbial invasion.

Accepted Answer

A)   wandering macrophages
B)   natural killer lymphocytes
C)   dendritic cells
D)   neutrophils
E)   microgliaF) A) and B)
G) B) and E)

Question 15

Some toll-like receptors (TLRs) are found on the surface of host cells and recognize specific microbial molecules.

Accepted Answer

A) True 
 B)False

Exam 15: Innate Immunity

The components of the second line of defense against microbes may be characterized as

Correct Answer
verified

What is phagocytosis? What does it involve?

Correct Answer
verified
Phagocytosis is a process by which a cel...
View Answer

First line of defense may be described as

Correct Answer
verified

Which of the following are chemotactic factors for phagocytes?

Correct Answer
verified

Mucus and sweat contain which damage and kill bacteria.

Correct Answer
verified

Structures and products of pathogens that immune cells detect and respond to are called

Correct Answer
verified

Response to specific pathogens that can improve with subsequent exposure is

Correct Answer
verified

Some toll-like receptors (TLRs) are found on the surface of host cells and recognize specific microbial molecules.

Correct Answer
verified

Which of the following cells can use nonphagocytic means to kill bacteria?

Correct Answer
verified

A monocyte leaves a capillary in the lungs and enters the lung tissue. It then matures to become a(n)

Correct Answer
verified

Intact skin layers are part of the bodyʹs (first/second/third) line of defense against pathogens.

Correct Answer
verified

Phagocytic cells in the epidermis known as contribute to its ability to prevent microbial invasion.

Correct Answer
verified

Sweat glands produce (lysozyme/dermcidin/acid), which destroys the cell wall of bacteria by cleaving the bonds between the sugar subunits present in the wall.

Correct Answer
verified

The play a role in preventing neoplastic cells from progressing to cancer.

Correct Answer
verified

The (epithelial/goblet/mucous) cells in the tracheal mucous membrane produce mucus.

Correct Answer
verified

Exam 15: Innate Immunity

The components of the second line of defense against microbes may be characterized as

Correct AnswerverifiedShow Answer

What is phagocytosis? What does it involve?

Correct AnswerverifiedPhagocytosis is a process by which a cel...View AnswerShow Answer

First line of defense may be described as

Correct AnswerverifiedShow Answer

Which of the following are chemotactic factors for phagocytes?

Correct AnswerverifiedShow Answer

Mucus and sweat contain which damage and kill bacteria.

Correct AnswerverifiedShow Answer

Structures and products of pathogens that immune cells detect and respond to are called

Correct AnswerverifiedShow Answer

Response to specific pathogens that can improve with subsequent exposure is

Correct AnswerverifiedShow Answer

Some toll-like receptors (TLRs) are found on the surface of host cells and recognize specific microbial molecules.

Correct AnswerverifiedShow Answer

Which of the following cells can use nonphagocytic means to kill bacteria?

Correct AnswerverifiedShow Answer

A monocyte leaves a capillary in the lungs and enters the lung tissue. It then matures to become a(n)

Correct AnswerverifiedShow Answer

Intact skin layers are part of the bodyʹs (first/second/third) line of defense against pathogens.

Correct AnswerverifiedShow Answer

Phagocytic cells in the epidermis known as contribute to its ability to prevent microbial invasion.

Correct AnswerverifiedShow Answer

Sweat glands produce (lysozyme/dermcidin/acid), which destroys the cell wall of bacteria by cleaving the bonds between the sugar subunits present in the wall.

Correct AnswerverifiedShow Answer

The play a role in preventing neoplastic cells from progressing to cancer.

Correct AnswerverifiedShow Answer

The (epithelial/goblet/mucous) cells in the tracheal mucous membrane produce mucus.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified
Phagocytosis is a process by which a cel...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified