Question 1

Which of the following does not describe a secondary immune response?

Accepted Answer

A)   It is a very rapid response.
B)   It causes memory cells to develop.
C)   It is carried out by memory cells.
D)   It requires re-exposure to an antigen.
E)   It prevents a person from developing a disease from the antigen.F) A) and C)
G) B) and E)

Question 2

A(n)  ____ is any factor that causes the formation of cancer.

Accepted Answer

A)   carcinogen
B)   allergen
C)   irritant
D)   antigen
E)   antibodyF) A) and B)
G) A) and C)

Question 3

T cells respond to antigens by secreting cytokines called ________, which increase T cell production and directly kill cells that have antigens.

Accepted Answer

The answer of T cells respond to antigens by secreting...

Question 4

White blood cells called ________ engulf and destroy pathogens and unwanted debris in the body.
Delete this space

Accepted Answer

The answer of White blood cells called ________ engulf and...

Question 5

Which activated T cells increase phagocytosis and antibody formation?

Accepted Answer

A)   Cytotoxic
B)   Helper
C)   Memory
D)   NK
E)   MacrophageF) B) and E)
G) C) and D)

Question 6

In a(n) ________ disease, the body begins to attack its own antigens.

Accepted Answer

The answer of In a(n) ________ disease, the body begins...

Question 7

Which of the following are signs or symptoms of chronic fatigue syndrome?

Accepted Answer

A)   Numbness of fingers and toes and weight loss
B)   Hair loss and renal failure
C)   "Butterfly" rash and fever
D)   Tender lymph nodes and joint pain
E)   Runny nose and coughingF) B) and E)
G) B) and D)

Question 8

Which of the following bind to antigens on cells and attack them directly?

Accepted Answer

A)   T cells
B)   Cytokines
C)   B cells
D)   Natural killer (NK)  cells
E)   HaptensF) B) and E)
G) A) and D)

Question 9

The fluid that exists between cells, called _______ fluid, is destined to become lymph.

Accepted Answer

The answer of The fluid that exists between cells, called...

Question 10

In blood, ________ acts as a chemical barrier and blocks viruses from infecting cells.

Accepted Answer

The answer of In blood, ________ acts as a chemical...

Question 11

Which of the following describes the thymus?

Accepted Answer

A)   It decreases in size as a person ages.
B)   It removes aged RBCs from circulation.
C)   It is the largest lymphatic organ.
D)   It is filled with blood and macrophages.
E)   If it is removed, the liver takes over its functions.F) A) and C)
G) B) and E)

Question 12

A(n) ________ is a disease-causing agent such as a bacterium, virus, toxin, fungus, or protozoan.

Accepted Answer

The answer of A(n) ________ is a disease-causing agent such...

Question 13

In which nonspecific body defense do blood vessels dilate, bringing more blood to the area, which in turn brings phagocytic white blood cells to the area to attack the pathogen, proteins to replace injured tissues, and clotting factors to stop any bleeding?

Accepted Answer

A)   Mechanical barriers
B)   Fever
C)   Inflammation
D)   Phagocytosis
E)   Chemical barriersF) A) and D)
G) A) and E)

Question 14

Cytokines known as ________ assist in regulation of the immune response by increasing B cell production and stimulating red bone marrow to produce more white blood cells.

Accepted Answer

The answer of Cytokines known as ________ assist in regulation...

Question 15

A foreign substance in the body is called a(n) ________.

Accepted Answer

The answer of A foreign substance in the body is...

Question 16

A(n) ________ is the presence of a pathogen in or on the body.

Accepted Answer

The answer of A(n) ________ is the presence of a...

Question 17

Elisa has just been informed that she has stage II breast cancer. The physician has explained what this means, but Elisa is upset and confused. She asks you if her cancer is serious. Which of the following is your best response?

Accepted Answer

A)   "No, breast cancer is not serious until it reaches stage IV."
B)   "Breast cancer is 100% treatable."
C)   "All cancers are potentially serious, but your cancer has not spread beyond the breast."
D)   "No, in stage 2, the cancer cells are localized in a few cell layers and are easily treatable."
E)   "It is serious because in stage II, the cancer cells have spread to other organs."F) A) and C)
G) A) and B)

Question 18

Which of the following cells mainly target cancer cells?

Accepted Answer

A)   Macrophages and lymphocytes
B)   T cells
C)   B cells
D)   Monokines
E)   Natural killer (NK)  cellsF) B) and E)
G) A) and B)

Question 19

When an area of the body becomes injured or infected with a pathogen, ________ can result, causing blood vessels in the injured area to dilate and become leaky.

Accepted Answer

The answer of When an area of the body becomes...

Question 20

The nonspecific body defense in which neutrophils and monocytes can leave the bloodstream to attack pathogens in other tissues is ____.

Accepted Answer

A)   a chemical barrier
B)   a mechanical barrier
C)   inflammation
D)   phagocytosis
E)   species resistanceF) C) and D)
G) A) and B)

Exam 28: The Lymphatic and Immune Systems

In which nonspecific body defense do blood vessels dilate, bringing more blood to the area, which in turn brings phagocytic white blood cells to the area to attack the pathogen, proteins to replace injured tissues, and clotting factors to stop any bleeding?

Correct AnswerverifiedShow Answer

Which of the following describes the thymus?

Correct AnswerverifiedShow Answer

Which of the following does not describe a secondary immune response?

Correct AnswerverifiedShow Answer

Cytokines known as ________ assist in regulation of the immune response by increasing B cell production and stimulating red bone marrow to produce more white blood cells.

Correct AnswerverifiedShow Answer

Which activated T cells increase phagocytosis and antibody formation?

Correct AnswerverifiedShow Answer

In blood, ________ acts as a chemical barrier and blocks viruses from infecting cells.

Correct AnswerverifiedShow Answer

A foreign substance in the body is called a(n) ________.

Correct AnswerverifiedShow Answer

White blood cells called ________ engulf and destroy pathogens and unwanted debris in the body. Delete this space

Correct AnswerverifiedShow Answer

The fluid that exists between cells, called _______ fluid, is destined to become lymph.

Correct AnswerverifiedShow Answer

A(n) ________ is a disease-causing agent such as a bacterium, virus, toxin, fungus, or protozoan.

Correct AnswerverifiedShow Answer

In a(n) ________ disease, the body begins to attack its own antigens.

Correct AnswerverifiedShow Answer

The nonspecific body defense in which neutrophils and monocytes can leave the bloodstream to attack pathogens in other tissues is ____.

Correct AnswerverifiedShow Answer

Which of the following are signs or symptoms of chronic fatigue syndrome?

Correct AnswerverifiedShow Answer

T cells respond to antigens by secreting cytokines called ________, which increase T cell production and directly kill cells that have antigens.

Correct AnswerverifiedShow Answer

Which of the following bind to antigens on cells and attack them directly?

Correct AnswerverifiedShow Answer

Elisa has just been informed that she has stage II breast cancer. The physician has explained what this means, but Elisa is upset and confused. She asks you if her cancer is serious. Which of the following is your best response?

Correct AnswerverifiedShow Answer

A(n) ____ is any factor that causes the formation of cancer.

Correct AnswerverifiedShow Answer

When an area of the body becomes injured or infected with a pathogen, ________ can result, causing blood vessels in the injured area to dilate and become leaky.

Correct AnswerverifiedShow Answer

Which of the following cells mainly target cancer cells?

Correct AnswerverifiedShow Answer

A(n) ________ is the presence of a pathogen in or on the body.

Correct AnswerverifiedShow Answer

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