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____________ in the lymph nodes break down any foreign matter that enters the body.


A) T cells
B) Helper cells
C) Filters
D) Macrophages
E) Leukocytes

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What type of cell is produced by the lymphatic system?


A) Endothelial
B) Immune
C) Epidermal
D) Intimal
E) Nerve

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What does the suffix in the word vaccination mean?


A) Pertaining to
B) Action
C) To acquire
D) To inject
E) Process

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The greatest concentration of lymph nodes lie


A) in the neck, axilla, and groin.
B) along the blood capillaries.
C) near joints.
D) in the soft tissues of the low back.
E) throughout the abdomen.

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The type of cancer often seen in patients with AIDS is


A) Kaposi sarcoma
B) Crohn blastoma
C) von Willebrand adenoma
D) Shiley sarcoma
E) Fowler carcinoma

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Which part of the spleen produces T cells, B cells, and macrophages?


A) White pulp
B) The cortex
C) The medulla
D) The visceral lining
E) Red pulp

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What type of genetic abnormality is often sex-linked, so that boys are affected more often than girls?


A) Immunosuppression
B) Acquired immunodeficiency
C) Congenital immunodeficiency
D) Chromosomal immunodeficiency
E) Retroviral immunodeficiency

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What does the prefix in the word transplant mean?


A) Redo
B) Into
C) Over
D) Around
E) Across

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All of the following are ways antibodies function to make antigens harmless EXCEPT


A) Neutralization
B) Agglutination
C) Complement fixation
D) Precipitation
E) Digestion

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What is the medical term that means state of having a fixed relation to a pathogen?


A) Exact
B) Particular
C) Retaliation
D) Specificity
E) Fixation

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What is the term for a virus with an RNA core?


A) Ribonucleic virus
B) Incomplete virus
C) Replicating virus
D) Retrovirus
E) Endovirus A retrovirus is a virus that replicates in a host cell by converting its RNA core into DNA.

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Patients who undergo a splenectomy are very susceptible to


A) anemia
B) gastric disturbance
C) rib pain
D) infection
E) bleeding disorders

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Which of the following terms has a root that means sleep?


A) Immunogenic
B) Dormant
C) Antibiotic
D) Protein
E) Macrophage

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What is the medical term for the process by which cells or other particles adhere to each other to form clumps?


A) Attenuation
B) Compensation
C) Agglutination
D) Phagocytosis
E) Viscosity

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The lymphatic system absorbs excess interstitial fluid and returns it to the ___________.


A) kidney.
B) liver.
C) stomach.
D) intestine.
E) bloodstream.

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In most allergic reactions, how long does it take for the cells to produce histamine?


A) 1 minute
B) 2-3 seconds
C) 10 minutes
D) 1.5 minutes
E) 39 seconds

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Which of the following is NOT a common way in which the human immunodeficiency virus can be transmitted?


A) Sexual intercourse
B) Mosquito bite
C) Sharing needles
D) Contaminated blood products
E) Transplacental transmission

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Which of the following terms refer to the failure of the immune system caused by an outside agent?


A) Immunology
B) Antigen production
C) Infection
D) Immunosuppression
E) Vaccination

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The human immunodeficiency virus (HIV) invades a helper T (CD4) cell where it generates new DNA and can stay dormant in the cell for months or years. The term dormant means that the virus is


A) sleeping
B) hibernating
C) Inactive
D) reproducing
E) dying

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B lymphocytes mature in the _________________.


A) thymus
B) abdomen
C) lymph node
D) bone marrow
E) spleen

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