Irene Gold Part 1 Physiology Questions and Answers
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Course
Irene Gold
Institution
Irene Gold
Blood from Upper Extremity goes into the heart from the _______.
Ans- Superior Vena Cava
Blood from Lower Extremity goes into the heart from the ______.
Ans- Inferior Vena Cava
Where does the Azygous vein drain into the heart from?
Ans- Lumbars into SVC
____ % of blood passively flows into th...
Irene Gold Part 1
Physiology Questions and
Answers
Blood from Upper Extremity goes into the heart from the _______.
Ans- Superior Vena Cava
Blood from Lower Extremity goes into the heart from the ______.
Ans- Inferior Vena Cava
Where does the Azygous vein drain into the heart from?
Ans- Lumbars into SVC
____ % of blood passively flows into the right ventricle.
,Ans- 80
____ % of blood needs atrial contraction.
Ans- 20
P-wave starts at ___ node in Crista Terminals of right atrium.
Ans- Sino-Atrial (SA) node
aka pacemaker
Tricuspid closes after __ wave.
Ans- P
Impulse that is released from the P-wave travels to ____ node.
Ans- AV
What is AV-Nodal Delay?
Ans- SA node impulse to AV node and delayed (P-R interval)
,What is isovolumetric contraction?
Ans- Tricuspid closes --> ventricle contracts
QRS complex occurs due to ______.
Ans- Ventricular depolarization
ventricle contracts
pulmonary artery is the only artery that
Ans- carries DEoxygenated blood
Mid-systole causes enough pressure to blow open ____ ____ valves.
Ans- pulmonic semilunar
Blood exits the heart via 2 pulmonary ____ to the lungs.
Ans- arteries
, What are the two arteries that carry deoxygenated blood?
Ans- 1. Pulmonary artery
2. Umbilical artery (in fetus)
Blood is oxygenated via ____ _____.
Ans- Bohr effect
How many O2 molecules are in hemoglobin?
Ans- 4
In the lungs, ____ % hemoglobin is saturated with O2.
Ans- 97
In the lungs the Bohr effect causes ____ CO2, ____ H+, ____ DPG, and ____
temp. (increase or decrease)
Ans- decreased for all 4
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