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15 Cards in this Set
- Front
- Back
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Which is of the following is a lymphatic organ? A) thymus gland B) heart C) liver D) pancreas |
A) thymus gland |
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Which defence cell matures within the thymus gland? A) plasma cells B) T-lymphocytes C) natural killer cells D) B-lymphocytes |
B- T-lymphocytes |
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When tissue is inflamed, the tissue is warm. Why? A) white blood cells are warm B) blood clotting creates heat C) muscle contractions cause heat to be released D) increased blood flow makes it warm |
D) increased blood flow makes it warm |
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How does fever effect microbes? A) it slows them moving B) it slows their growth C) it dehydrates them D) it makes them swell |
B) it slows their growth (the increased temperature has the twin benefits of inhibiting the growth and division of microbes, whilst promoting the activity of phagocytes) |
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Which of the following originate and mature in the bone marrow? A) neurons B) macrophages C) B cells D) T cells |
C) B cells |
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Which of the following produce antibodies in response to a foreign antigen? A) lymphocytes B) neurons C) T cells D) B cells |
D) B cells |
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The lymphatic system returns excess fluid and protein to the….. A) bones B) lymphoid cells C) blood circulation D) interstitial fluid |
C) blood circulation |
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The lymphatic system absorbs …… from the digestive system A) lipids B) lymph C) nutrients D) water |
A) lipids |
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The defence system that recognises precise foreign antigens is the body’s ….. line of defence. A) first B) third C) fourth D) second
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B) third |
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The production of antibodies is the body’s …… line of defence. A) fourth B) second C) third D) first |
C) third |
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Vasodilation is parting the second line of defence because it results in greater flow of WBCs to the infected site. What chemical causes the vessels to dilate? A) adrenaline B) histamine C) complement proteins D) prostaglandin |
B) histamine |
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The physical barriers that form part of the immune system are: A) the skin, body temp and the mucous membranes B) the skin and the mucous membranes C) the bones and the mucous membranes D) the hair and the skin |
B) the skin and the mucous membranes |
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Which of the following is one of the cardinal signs of infection? A) facial pallor B) dehydration C) local erythema D) cyanosis |
C) local erythema |
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Naturally acquired passive immunity involves which of the following? A) injection of antibodies B) transfer of pathogens through a mucous membrane C) transfer of antibodies to the foetus D) injection of a vaccine |
C) transfer of antibodies to the foetus |
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The two types of immunity in humans are A) natural and acquired B) hidden and clear C) intrinsic and extrinsic D) internal and external |
A) natural and acquired |
