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IMMUNOSERO > Nature of Immune System > Flashcards

Nature of Immune System Flashcards

1
Q

Which of the following can be attributed to Pasteur?
a. Discovery of opsonins
b. Observation of Phagocytosis
c. First attenuated vaccines
d. Theory of humoral immunity

A

First attenuated vaccines

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2
Q

Which WBC is capable of further differentiation in tissues
a. Neutrophil
b. Eosinophil
c. Basophil
d. Monocyte

A

Monocyte

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3
Q

The cells that Metchnikoff first observed are associated with which phenomenon?
a. Innate immunity
b. Adaptive immunity
c. Humoral immunity
d. Specific immunity

A

Innate immunity

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4
Q

Where are all undifferentiated lymphocytes made?
a. Bone marrow
b. Spleen
c. Thymus
d. Lymph nodes

A

Bone marrow

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5
Q

Which of the following statement is true of NK cells?
a. They rely upon memory for antigen recognition
b. They have the same CD groups as B cells
c. They are found mainly in lymph nodes
d. They kill target cells without prior exposure to them.

A

They kill target cells without prior exposure to them.

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6
Q

Which cell is the most potent phagocytic cell in the tissue?
a. Neutrophil
b. Dendritic cell
c. Eosinophil
d. Basophil

A

Dendritic cell

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6
Q

The ability of an individual to resist infection by means of normally present body function is called.
a. Innate immunity
b. Humoral immunity
c. Adaptive immunity
d. Cross immunity

A

Innate immunity

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7
Q

A cell characterized by nucleus with two to five lobes, a diameter of 10 to 15 um, and a large number of neutral staining granules is identified as a(n)
a. Eosinophil
b. Monocyte
c. Basophil
d. Neutrophil

A

Neutrophil

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8
Q

Which of the following is a primary lymphoid organ?
a. Lymph node
b. Spleen
c. Thymus
d. MALT

A

Thymus

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9
Q

What type of cells would be found in a primary follicle?
a. Unstimulated B cells
d. Germinal centers
c. Plasma cells
d. Memory cells

A

Unstimulated B cells

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10
Q

Which of the following is a distinguishing feature of B cells?
a. Act as helper cells
b. Presence of surface antibody
c. Able to kill target cells without prior exposure
d. Active in phagocytosis

A

Presence of surface antibody

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11
Q

Where do lymphocytes mainly come in contact with antigens?
a. Secondary lymphoid organs
b. Boodstream
c. Bone marrow
d. Thymus

A

Secondary lymphoid organs

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12
Q

Which of the following is found on the T cell subset known as helpers?
a. CD19
b. CD4
c. CD8
d. CD56

A

CD4

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13
Q

Which of the following statements best characterizes adaptive immunity?
a. Relies on normally present body functions
b. Response is similar for exposure
c. Specificity for each individual pathogen
d. Involves only cellular immunity

A

Specificity for each individual pathogen

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14
Q

The main function of T cells in the immune response is to
a. Produce cytokines that regulate both innate and adaptive immunity
b. Produce antibodies
c. Participate actively in phagocytosis
d. Respond to target cells without prior exposure

A

Produce cytokines that regulate both innate and adaptive immunity

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15
Q

Which of the following is a part of humoral immunity?
a. Cells involved in phagocytosis
b. Neutralization of toxins by serum
c. Macrophages and mast cells in the tissue
d. T and B cells in lymph nodes

A

Neutralization of toxins by serum

16
Q

Immunity can be defined as
a. The study of medicines used to treat disease
b. A specific population at risk for a disease
c. The condition of being resistant to disease
d. The study of the noncellular portion of the blood

A

The condition of being resistant to disease

17
Q

A blood cell that has reddish staining granules and is able to kill large parasite describes
a. Basophil
b. Monocyte
c. Neutrophil
d. Eosinophil

A

Eosinophil

18
Q

Which of the following statement best describes a lymph node?
a. It is considered a primary lymphoid organ
b. It removes old RBCs
c. It collects fluid from the tissues
d. It is where B cells mature

A

It collects fluid from the tissues

19
Q

Antigenic groups identified by different sets of antibodies reacting in a similar manner to certain standard cell lines best describes
a. Cytokines
b. Cluster of differentiation (CD)
c. Neutrophilic granules
d. Opsonins

A

Cluster of differentiation (CD)

IMMUNOSERO (12 decks)

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