Most O2 is transported __ , and most CO2 is transported __ .
1.physically dissolved in plasma; bound to hemoglobin
2.bound to hemoglobin; bound to hemoglobin
3.bound to hemoglobin; as bicarbonate
4.physically dissolved in plasma; physically dissolved in plasma
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Question 2) Which of the following is characteristic in restrictive lung diseases?
1.Increase in lung compliance.
2.Decease in total lung capacity.
3.Decrease FEV1.
4.Increase in residual volume.
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Question 3) Pulmonary surfactant:
1.decreases alveolar surface tension.
2.promotes alveolar collapse.
3.increases elastic recoil properties of the lungs.
4.is found in excess levels in infants born prematurely.
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Question 4) During inspiration, intra-alveolar pressure moves to:
1.756 mm Hg.
2.760 mm Hg.
3.764 mm Hg.
4.0 mm Hg.
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Question 5) This immunoglobulin is associated with allergic reactions:
1.IgA
2.IgM
3.IgD
4.IgE
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Question 6) Which of the following prevents viral replication?
1.Macrophages
2.Interferon
3.Helper T cells
4.Plasma cells
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Question 7) These cells are important in the secondary immune response:
1.memory cells.
2.activated T-lymphocytes.
3.natural Killer cells.
4.macrophages.
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Question 8) Formation of membrane attack complex is associated with:
1.antibody production.
2.fever.
3.activation of complement system.
4.macrophage function.
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Question 9) Innate defenses include:
1.antibody production.
2.activated T-lymphocytes.
3.inflammation.
4.T-helper cell function.
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Question 10) The Intrinsic Pathway:
1.does not rely on the action of thrombin.
2.is activated only after tissue damage.
3.is activated within seconds of vessel damage.
4.is slower than the extrinsic pathway.
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