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If lymph cannot be pushed through the vessels, ____.


A) blood pressure rises immediately
B) the kidneys excrete it
C) edema develops
D) the arteries and veins take over that function
E) the lymph is reabsorbed into the blood

F) C) and D)
G) B) and D)

Correct Answer

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Which of the following is an excessive immune response that involves IgE antibodies?


A) Allergy
B) Mononucleosis
C) Anaphylaxis
D) Lymphedema
E) Chronic fatigue syndrome

F) B) and E)
G) A) and B)

Correct Answer

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Which type of activated T cells prevents a person from having the same disease twice?


A) Cytotoxic
B) Helper
C) Memory
D) NK
E) Macrophage

F) B) and D)
G) B) and E)

Correct Answer

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Which of the following identifies how far cancer cells have spread?


A) Chemotherapy
B) Radiation
C) Biopsy
D) Staging
E) Immune therapy

F) B) and D)
G) A) and D)

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Which of the following is unique to an individual, is present on every cell in that person's body, and activates T cells?


A) Major histocompatibility complex (MHC)
B) Cytokines
C) B cells
D) Natural killer (NK) cells
E) Complements

F) A) and B)
G) B) and C)

Correct Answer

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A

Which of the following causes a rapid drop in blood pressure and is a life-threatening event?


A) Allergy
B) Mononucleosis
C) Anaphylaxis
D) Mononucleosis.
E) AIDS

F) A) and D)
G) A) and C)

Correct Answer

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Which of the following does not describe the spleen?


A) It removes aged RBCs from circulation.
B) It is the largest lymphatic organ.
C) It is filled with blood and macrophages.
D) It filters blood.
E) It decreases in size as a person ages.

F) All of the above
G) A) and B)

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Which nonspecific defense activates cells in the body to attack pathogens?


A) A chemical barrier
B) Fever
C) Inflammation
D) Phagocytosis
E) A mechanical barrier

F) B) and D)
G) None of the above

Correct Answer

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Which of the following describes a primary immune response?


A) It is a very rapid response.
B) It is carried out by memory cells.
C) It takes several weeks.
D) It requires re-exposure to an antigen.
E) It prevents a person from developing a disease from the antigen.

F) B) and E)
G) A) and C)

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Which of the following does not describe the thymus?


A) It is located in the thorax, above the heart.
B) It removes aged RBCs from circulation.
C) It decreases in size as a person ages.
D) It produces T-lymphocytes.
E) It produces a hormone called thymosin.

F) All of the above
G) B) and D)

Correct Answer

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Which type of immunity results from exposure to an antigen?


A) Naturally acquired active
B) Artificially acquired active
C) Naturally acquired passive
D) Artificially acquired passive
E) Species resistance

F) A) and E)
G) B) and E)

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A

The body's mechanisms to protect itself against pathogens in general are called nonspecific defenses or ________ immunity

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Major proteins in serum that attack pathogens and can also attract macrophages to pathogens and stimulate inflammation are called ________.

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Which immunoglobulin is thought to control the activity of B cells?


A) IgG
B) IgA
C) IgM
D) IgE
E) IgD

F) A) and B)
G) A) and C)

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Mucous membranes and skin are examples of which type of nonspecific body defense?


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

F) A) and B)
G) A) and C)

Correct Answer

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Which of the following describes the spleen?


A) It is located in the thorax, above the heart.
B) It removes aged RBCs from circulation.
C) It decreases in size as a person ages.
D) It produces T-lymphocytes.
E) It produces thymosin.

F) A) and D)
G) D) and E)

Correct Answer

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Sherry is a 17-year-old patient who arrives at the office complaining of fever, headache, frequent cough, and being tired all the time. She is concerned because her boyfriend has similar symptoms and was recently diagnosed with mononucleosis. Which of the following precautions should you take while you are working with Sherry?


A) None, because mononucleosis is only spread by kissing
B) Wear a mask while you are in the exam room
C) Use full PPE, including a gown, gloves, and mask
D) Put on gloves before checking her blood pressure
E) Ask Sherry not to cough while you are in the room

F) B) and E)
G) A) and E)

Correct Answer

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B

Lymphocytes called ________ cells primarily target cancer cells, killing these harmful cells on contact by secreting chemicals that produce holes in the membranes, causing them to burst.

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When normal cells create growths, the growths are called ________, meaning they are not cancerous.

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Which of the following secrete chemicals that produce holes in the membranes of harmful cells but do not have to recognize a specific antigen to start destroying pathogens?


A) Major histocompatibility complex (MHC)
B) Cytokines
C) B cells
D) Natural killer (NK) cells
E) T cells

F) C) and E)
G) A) and B)

Correct Answer

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