Anatomy & Physiology III - BIOS 255
(Proficiency Exam Review)
Does the right atrium have oxygenated or deoxygenated blood? - ANS deoxygenated
oxygen is carried by _____ cells. It binds to proteins called _____ that contain iron. - ANS
erythrocytes; hemoglobin
Which element is responsible for immune function, clotting, and gas transfer? (in this particular
order) - ANS leukocytes; platelets; erythrocytes
What are the major functions of blood? - ANS - plays a role in immune function
- temperature regulation
- pH regulation
- gas/nutrients/ waste transport
- regulates water loss
a patient has a stroke volume of 70 ml/beat, a heart rate of 70 beats per minute, a mean arterial
pressure of 100, systolic BP of 95 and diastolic BP of 60. Calculate the output of this patient. -
ANS CO = SV x HR
70 x 70 = 4900 ml/min
= 4.9L/min
which ions mediate the upstroke, plateau, and downstroke of a cardiac action potential. indicate
the contraction phase that correlates to these events - ANS upstroke = sodium; depolarization
plateau = calcium; contraction
downstroke = potassium; relaxation
What are the three layers of the heart? - ANS epicardium, myocardium, endocardium
What is the fluid filled sac called that surrounds the heart? - ANS pericardium
When red blood cells get broken down, the iron molecule is transferred from the macrophage to
the liver with which to transfer protein? - ANS transferrin
Which wave indicates atrial depolarization? - ANS p wave
What makes up the component of whole blood? - ANS - serum
- water
- plasma proteins
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