Question 1

Which of the following are primary lymphoid tissues?

Accepted Answer

A)   spleen and mucosa- associated lymphoid tissue
B)   thymus and bone marrow
C)   thymus and lymph nodes
D)   lymph nodes and spleen
E)   bone marrow and mucosa- associated lymphatic lymphoid tissue

Question 2

Name three reasons why inflammation can be protective and useful?

Accepted Answer

1. Recruit immune defenses to ...

Question 3

Which of the following would you expect to see if your patient had been bitten by a tick infected with the Borrelia bacteria species?

Accepted Answer

A)   quatan fever
B)   intermittent fever
C)   relapsing fever
D)   Pel- Ebstein fever
E)   tertian fever

Question 4

In the correct order, what are the names of the fluid leaving the capillaries, going into the space between cells and then into the lymphatic capillaries?

Accepted Answer

A)   plasma, lymph, and interstitial fluid
B)   interstitial fluid, lymph, and plasma
C)   plasma, interstitial fluid, and lymph
D)   lymph, plasma, and interstitial fluid
E)   lymph, interstitial fluid, and plasma

Question 5

Which of the following is not a function of a molecular second line defense?

Accepted Answer

A)   recruiting leukocytes to the site of infection
B)   slowing the growth of the pathogen
C)   producing antibodies specific to the bacterial infection
D)   triggering fever
E)   stimulating inflammation

Question 6

Which of the following is an agranulocyte?

Accepted Answer

A)   mast cell
B)   dendritic cell
C)   eosinophil cell
D)   neutrophil cell
E)   basophil cell

Question 7

Molecular second- line defenses include cytokines, iron- binding proteins, and complement proteins.

Accepted Answer

A) True 
 B)False

Question 8

Why are leukocytes so central to second- line molecular defenses?

Accepted Answer

A)   Leukocytes trigger other cells of the immune system to produce second- line molecular defenses.
B)   Leukocytes have nothing to do with second- line molecular defenses.
C)   Leukocytes respond to the production of second- line molecular defenses.
D)   Leukocytes remove second- line molecular defenses to inhibit damage to healthy tissues in the surrounding area.
E)   Leukocytes produce second- line molecular defenses.

Question 9

Which term describes a fever lasting 3- 10 days followed by a non- fever state of similar length?

Accepted Answer

A)   Pel- Ebstein fever
B)   relapsing fever
C)   sustained fever
D)   remittent fever
E)   intermittent fever

Question 10

Name two similarities between macrophages and dendritic cells.

Accepted Answer

Macrophages and dendritic cell...

Question 11

Which cell type works to prevent our immune system from attacking self and from over- reacting to nonthreatening substances, is abundant in tissues next to body openings, and phagocytizes a broad range of antigens?

Accepted Answer

A)   natural killer cells
B)   dendritic cells
C)   lymphocytes
D)   monocytes
E)   macrophages

Question 12

Antimicrobial peptides can do all of the following except

Accepted Answer

A)   disrupt plasma membrane and/or cell wall.
B)   target intracellular components.
C)   stimulate leukocytes.
D)   regulate body temperature.
E)   insert themselves into target cell membranes.

Question 13

Pyretic drugs like aspirin, ibuprofen, and acetaminophen are all commonly used to reduce fever by increasing the production of prostaglandins in the hypothalamus.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is false about the enzyme lysozyme?

Accepted Answer

A)   breaks down bacterial cell walls
B)   kills bacterial cells
C)   acts as a chemical barrier
D)   can be found in mucus, saliva, tears, and breast milk
E)   destroys viruses and fungi

Question 15

Which of the following features are shared between both innate and adaptive immunity?

Accepted Answer

A)   respond immediately, remember antigens, and exist in all eukaryotic organisms
B)   recognize diverse pathogens and eliminate identified invaders
C)   recognize diverse pathogens, eliminate identified invaders, and discriminate between self and foreign antigens
D)   respond immediately and remember antigens
E)   discriminate between self and foreign antigens

Question 16

What are cytokines?

Accepted Answer

A)   alert hormones that trigger the body to prepare for injury by shrinking capillaries and increasing platelet production
B)   enzymes that promote the replication and gathering of leukocytes
C)   carbohydrates which reduce inflammation in the body
D)   signaling proteins that help cells communicate with each other, initiating and coordinating immune actions
E)   organic chemicals which stimulate fever via an increase in metabolism

Question 17

Which of the following is an example of a mechanical barrier?

Accepted Answer

A)   lysozyme
B)   stomach acid
C)   mucus
D)   skin
E)   antimicrobial peptides

Question 18

Kinins block histamine's actions and therefore serve as anti- inflammatory drugs.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is not a potentially useful effect of a fever?

Accepted Answer

A)   increases phagocyte efficiency
B)   promotes tissue repair
C)   enhances cytokine production
D)   limits growth of certain pathogens
E)   enhances antiviral effects of interferons

Question 20

What is the general classification used to categorize leukocytes?

Accepted Answer

A)   It depends on the age of the cell, as all agranulocytes start off as a granulocyte and later change their function and structure over the life of the cell.
B)   whether or not leukocytes have granules in their cytoplasm that are visible when stained and then viewed by light microscopy
C)   whether they function as part of the innate or adaptive immune system
D)   whether or not the cells contain a nucleus
E)   whether the cells originate from primary or secondary lymphoid tissues

Exam 11: Innate Immunity

Which cell type works to prevent our immune system from attacking self and from over- reacting to nonthreatening substances, is abundant in tissues next to body openings, and phagocytizes a broad range of antigens?

Correct AnswerverifiedShow Answer

What are cytokines?

Correct AnswerverifiedShow Answer

Which of the following are primary lymphoid tissues?

Correct AnswerverifiedShow Answer

Kinins block histamine's actions and therefore serve as anti- inflammatory drugs.

Correct AnswerverifiedShow Answer

Antimicrobial peptides can do all of the following except

Correct AnswerverifiedShow Answer

In the correct order, what are the names of the fluid leaving the capillaries, going into the space between cells and then into the lymphatic capillaries?

Correct AnswerverifiedShow Answer

Name two similarities between macrophages and dendritic cells.

Correct AnswerverifiedMacrophages and dendritic cell...View AnswerShow Answer

Which of the following is not a potentially useful effect of a fever?

Correct AnswerverifiedShow Answer

Which of the following is not a function of a molecular second line defense?

Correct AnswerverifiedShow Answer

Name three reasons why inflammation can be protective and useful?

Correct Answerverified1. Recruit immune defenses to ...View AnswerShow Answer

What is the general classification used to categorize leukocytes?

Correct AnswerverifiedShow Answer

Which of the following would you expect to see if your patient had been bitten by a tick infected with the Borrelia bacteria species?

Correct AnswerverifiedShow Answer

Which of the following is an example of a mechanical barrier?

Correct AnswerverifiedShow Answer

Molecular second- line defenses include cytokines, iron- binding proteins, and complement proteins.

Correct AnswerverifiedShow Answer

Pyretic drugs like aspirin, ibuprofen, and acetaminophen are all commonly used to reduce fever by increasing the production of prostaglandins in the hypothalamus.

Correct AnswerverifiedShow Answer

Which of the following features are shared between both innate and adaptive immunity?

Correct AnswerverifiedShow Answer

Which of the following is false about the enzyme lysozyme?

Correct AnswerverifiedShow Answer

Which of the following is an agranulocyte?

Correct AnswerverifiedShow Answer

Which term describes a fever lasting 3- 10 days followed by a non- fever state of similar length?

Correct AnswerverifiedShow Answer

Why are leukocytes so central to second- line molecular defenses?

Correct AnswerverifiedShow Answer

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Macrophages and dendritic cell...
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1. Recruit immune defenses to ...
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