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Bio 253 Quiz 3 Exam Questions With Verified Answers

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Bio 253 Quiz 3 Exam Questions With Verified Answers Pericardial sac - answer- attaches to large vessels that enter & exit heart - loose fitting sac that provides protection against friction type O blood - answer- no antigen on RBC's - universal donor type A/B blood - answer- has A/B antigen o...

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  • September 4, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • Bio 253
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Bio 253 Quiz 3 Exam Questions With
Verified Answers


Pericardial sac - answer✔✔- attaches to large vessels that enter & exit heart
- loose fitting sac that provides protection against friction

type O blood - answer✔✔- no antigen on RBC's
- universal donor

type A/B blood - answer✔✔- has A/B antigen on RBC's
- universal recipient

type B blood - answer✔✔has B antigen on RBC's

type A blood - answer✔✔has A antigen on RBC's

3 granulocyte (WBC's) - answer✔✔1. neutrophil - most active phagocyte
2. basophils - histamine/ heparin
3. eosinophil - parasitic worm

2 agranulocyte (WBC's) - answer✔✔1. lymphocyte - (think lymph node) antibodies
2. monocytes - largest, phagocytes

what do skeletal muscles help with? - answer✔✔pump blood though body

epicardium - answer✔✔outer layer of heart

myocardium - answer✔✔- middle layer of heart
- thick contractile

endocardium - answer✔✔inner layer of heart

capillaries - answer✔✔microscopic vessels that carry blood from arterioles to venules

tidal volume + exspiratory reserve volume + inspiratory volume = - answer✔✔vital capacity

, ©THEBRIGHTSTARS 2024
what type of proteins does plasma contain? - answer✔✔- fibrogen , clotting
- globulin , antibodies
- albumin , osmotic pressure that helps with venus return

external respiration - answer✔✔- pulmonary ventilation and gas exchange in pulmonary
capillary of lungs
- transport of gases by blood

internal respiration - answer✔✔- gas exchange in systemic blood capillaries
- overall regulation of respiration

what is the name of the main muscle responsible for inspiration? - answer✔✔diaphragm

what helps aveoli from sticking together? - answer✔✔surfactant

pseudostratified epithelium (upper respiratory) - answer✔✔- columnar
- ciliated
- goblet cells

aveoli - answer✔✔- simple squamous epithelium
- flat & thin for gas exchange

coronary arteries - answer✔✔brings 02 to heart muscle & comes from the base of aorta

veins - answer✔✔- bring blood to heart
- has valves- thin smooth muscle

arteries - answer✔✔- moves blood away from heart
- thick layer of smooth muscle
- tunica media

upper respiratory tract - answer✔✔- nasal cavity
*nasopharynx
* oropharynx
* laryngopharynx = pharynx

lower respiratory tract - answer✔✔- larynx
- trachea

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