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Anatomy And Physiology II > Ch22 - Lymphatic System > Flashcards

Ch22 - Lymphatic System Flashcards

(74 cards)

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1
Q

What is the primary function of lymphatic capillaries?

A

Collect interstitial fluid

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2
Q

Which of the following is NOT a primary lymphatic organ?

A

Spleen

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3
Q

What type of immunity is present at birth?

A

Innate immunity

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4
Q

Which cells are primarily involved in cell-mediated immunity?

A

T cells

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5
Q

What is the role of the spleen in the immune system?

A

Filter blood and destroy pathogens

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6
Q

Which of the following is a characteristic of innate immunity?

A

Rapid response

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7
Q

What type of cells do natural killer (NK) cells target?

A

Virus-infected cells

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8
Q

Which of the following is a component of the complement system?

A

Plasma proteins

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9
Q

What is the main function of antibodies?

A

Neutralize pathogens

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10
Q

Which type of hypersensitivity reaction is anaphylaxis?

A

Type I

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11
Q

What is the primary role of phagocytes?

A

Engulf and destroy pathogens

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12
Q

Which organ is responsible for T cell maturation?

A

Thymus

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13
Q

What type of immunity involves the activation of B cells?

A

Antibody-mediated immunity

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14
Q

Which of the following is a characteristic of adaptive immunity?

A

Slow response

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15
Q

What is the function of lymph nodes?

A

Filter lymph and initiate immune responses

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16
Q

Which type of antigen is presented by MHC class I molecules?

A

Endogenous

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17
Q

What is the primary cause of systemic lupus erythematosus?

A

Autoimmunity

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18
Q

Which cytokine is crucial for T cell activation?

A

Interleukin-2

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19
Q

What is the main function of regulatory T cells?

A

Suppress immune responses

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20
Q

Which type of lymphatic vessel collects lymph from lymphatic capillaries?

A

Lymphatic vessel

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21
Q

What is the role of macrophages in the immune response?

A

All of the above

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22
Q

Which of the following is a feature of the secondary immune response?

A

Involves memory cells

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23
Q

What is the primary function of the thymus gland?

A

Mature T cells

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24
Q

Which type of hypersensitivity reaction involves immune complexes?

A

Type III

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25
What is the main role of the lymphatic system in homeostasis?
Drain interstitial fluid
26
Which of the following is a characteristic of antibodies?
They can neutralize toxins
27
What is the primary function of the red pulp in the spleen?
Blood filtration
28
Which type of immunity is acquired through vaccination?
Active immunity
29
What is the role of perforins released by NK cells?
Create pores in target cell membranes
30
Which of the following is a common symptom of infectious mononucleosis?
All of the above
31
Define lymphatic capillaries.
Blind-ended vessels that collect interstitial fluid
32
What is the function of the spleen?
Filter blood and destroy pathogens
33
Name one type of cell involved in innate immunity.
Neutrophils
34
What is the role of cytokines in the immune response?
Signaling molecules that mediate and regulate immunity
35
Describe the process of phagocytosis.
Engulfing and digesting pathogens by phagocytes
36
What is the main difference between primary and secondary immune responses?
Secondary response is faster and stronger due to memory cells
37
Name one autoimmune disease.
Rheumatoid arthritis
38
What is the function of the complement system?
Enhance immune responses and destroy pathogens
39
Define self-tolerance.
The immune system's ability to not attack self-antigens
40
What is the role of helper T cells?
Activate other immune cells, including B cells and cytotoxic T cells
41
What fluid circulates in the lymphatic system?
Lymph
42
What type of immunity is non-specific?
Innate
43
What cells produce antibodies?
B cells
44
What is the largest lymphatic organ?
Spleen
45
What type of hypersensitivity is delayed?
Type IV
46
What is the primary role of T cells?
Cell-mediated immunity
47
What do macrophages do?
Phagocytosis
48
What is the main function of lymph nodes?
Filter lymph
49
What type of antigen is presented by MHC class II?
Exogenous
50
What is the primary cause of AIDS?
HIV
51
What is the main function of NK cells?
Kill infected cells
52
What is the role of antibodies?
Neutralize pathogens
53
What is the primary function of the thymus?
T cell maturation
54
What type of immunity is provided by maternal antibodies?
Passive immunity
55
What is the main role of dendritic cells?
Antigen presentation
56
What is the primary cause of hypersensitivity reactions?
Allergens
57
What is the role of memory cells?
Long-term immunity
58
What is the main function of the lymphatic system?
Fluid balance
59
What type of immunity involves B cells?
Antibody-mediated
60
What is the primary role of the red pulp?
Blood filtration
61
Explain how the lymphatic system contributes to immune surveillance.
It filters lymph through lymph nodes, where immune cells can detect and respond to pathogens
62
Discuss the importance of the complement system in enhancing immune responses.
It activates proteins that promote inflammation, opsonization, and lysis of pathogens
63
Compare and contrast innate and adaptive immunity in terms of specificity and response time.
Innate immunity is non-specific and responds quickly, while adaptive immunity is specific and slower to respond
64
Analyze the role of T cells in the immune response and their interaction with B cells.
T cells activate B cells and help coordinate the immune response, enhancing antibody production
65
Evaluate the impact of aging on the immune system's effectiveness.
Aging leads to decreased immune function, increased susceptibility to infections, and reduced vaccine response
66
Compare and contrast innate and adaptive immunity in terms of specificity and response time.
Innate immunity is non-specific and responds quickly, while adaptive immunity is specific and slower to respond.
67
What is the role of T cells in the immune response?
T cells activate B cells and help coordinate the immune response, enhancing antibody production.
68
How does aging impact the immune system's effectiveness?
Aging leads to decreased immune function, increased susceptibility to infections, and reduced vaccine response.
69
Describe the mechanisms by which pathogens evade phagocytosis.
Pathogens may have capsules, produce toxins, or interfere with phagocyte signaling.
70
What is the significance of clonal selection in the adaptive immune response?
Clonal selection allows for the proliferation of specific lymphocytes that effectively target pathogens.
71
Explain the relationship between stress and immune function.
Chronic stress can suppress immune responses, increasing vulnerability to infections.
72
Analyze the consequences of a splenectomy on the immune system.
It can impair the ability to filter blood and mount effective immune responses, increasing infection risk.
73
What is the role of antigen-presenting cells in activating T cells?
APCs process and present antigens with MHC molecules, providing necessary signals for T cell activation.
74
What is a characteristic of innate immunity?
Rapid response

Anatomy And Physiology II (2 decks)

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