BIOL 2402 EXAM 1 QUESTIONS WITH 100% CORRECT ANSWERS

Cells that eat old bacteria and old RBCs?


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neutrophil, eosinophils, and monocytes




Blood types are determined by:


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By presence or absence of RBC surface antigens A, B, Rh (or D)




Veins that return blood from the brain:

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internal jugular vein and vertebral vein




Most numerous white blood cells in peripheral circulation:


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Neutrophils




Hemoglobin structure:


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- Complex quaternary structure with four globular protein subunits (2 alpha
& 2 beta chains): each with one molecule of heme and each heme contains
one iron ion (essential for absorbing & releasing O2)




TSH:
- Target:
- Effect:
- Released to:


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, Thyroid-stimulating Hormone
- Target: thyroid gland
- Effect: secretion of thyroid hormones
- Released to: Thyrotropin-releasing hormone (TRH)




Stroke Volume (SV):


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SV= EDV-ESV
- amount of blood in left ventricle that will go out in 1 beat




Normal pacemaker of the heart:


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SA node begins atrial activation ->
the system that controls the heart rate-> reaches the AV node and
contractions begins ->AV node stimulates the AV branches -> conducts
Purkinje fibers -> Purkinje fibers distribute impulses to ventricles ->
contraction is completed




3 Mechanisms of Hemostasis:


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