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Exam (elaborations)

BIOS 255 EXAM 3 WITH ALL CORRECT ANSWERS UPDATED

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BIOS 255 EXAM 3 WITH ALL CORRECT ANSWERS UPDATED

Institution
Bios 255
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Bios 255









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Bios 255
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Bios 255

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Uploaded on
April 21, 2025
Number of pages
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Written in
2024/2025
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BIOS 255 EXAM 3 vf vf vf




Study online at vf vf




https://quizlet.com/_af3o5v
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BIOS 255 EXAM 3 WITH ALL CORRECT ANSWERS
UPDATED




1.Functions of the Respiratory System: -Gas exchange vf vf vf vf vf vf




-Communication
-Olfaction
-Acid-Base balance vf




-Blood pressure regulation vf vf




-Blood and lymph flow vf vf vf




-Platelet production vf




-Blood filtration vf




-Expulsion of abdominal contents vf vf vf




2.Describe high compliance as it relates to healthy functions.: -ease with which
vf vf vf vf vf vf vf vf vf vf vf




the lungs and thoracic wall can be expanded
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High compliance= easy expansion
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Low compliance= resisted
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expansion
vf




3.Describe IRDS ( Infant respiratory distress syndrome) and describe the
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interventions that would be used to help a newborn premature baby suffering
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from IRDS.: -leading cause of death in premature infants resulting from lack
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of surfactant production in alveoli
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-treated with artificial surfactant until they can make their own
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4.Define antigens, epitopes and antibodies.: antigens: large molecule
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capable of binding to an antibody or immune cells and triggering an
vf vf vf vf vf vf vf vf vf vf vf vf




immune response epitopes: certain regions of an antigen molecule that
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stimulate immune responses antibodies: reacts with an antigen and aids in
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protecting the body from its harmful effects
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5.Identify the PO2 measurements at the end of a normal inhalation ( breathing
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1/9
vf vf

, BIOS 255 EXAM 3 vf vf vf




Study online at vf vf




vf through the nose ) in each of the following:
https://quizlet.com/_af3o5v
vf
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Respiratory bronchiole vf




Alveolus
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Nasal cavity vf




Trachea
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Bronchus: Respiratory bronchiole: 104mm vf vf vf




Hg Alveolus: 104mm Hg
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Nasal cavity: atmospheric @ 159mm Hg
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Trachea: 104mm Hg
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Bronchus: 104mm Hg vf vf




6.Describe the movement of O2 and CO2 in external and internal respirations
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and define: internal: exchange of gases between blood in systemic
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capillaries and tissue cells; blood loses O2 and gains CO2
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external: exchange of gases between the alveoli of the lungs and the blood in
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2/9
vf vf

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