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Perfusion Questions and Answers Fully Solved
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Exam of 2 pages for the course Perfusion at Perfusion (Perfusion)
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PerfusionDescribe factors affecting perfusion. - answer-Anything that impact circulation can
cause a decrease in perfusion, diabetes, high cholesterol, high BP, coronary heart
disease, stroke, and bleeding.
-Perfusion to the body's tissues depends on an adequate blood supple and proper
cardiovascular function to carry oxygen and carbon dioxide to and from the lungs.
Identify physiologic process involved in circulation and perfusion. - answer-Pulse is
regulated by the autonomic nervous system through the sinoatrial (SA) node (the
pacemaker) of the heart.
-Blood moves through the circulatory system from the areas of higher pressure to areas
of lower pressure, blood pressure is controlled by various short term and long term
mechanisms. These mechanisms regulate the blood pressure so that blood flow (and
pressure) remains relatively constant.
-Blood is squeezed through the heart and out into the body by contractions starting in
the atria, followed by contractions (in the atria), followed by contraction of the ventricles,
with a subsequent resting of the heart. Deoxygenated blood (low in oxygen, high in
carbon dioxide) is carried from the right side of the heart to the lungs, where oxygen is
picked up and carbon dioxide is released and then returned to the left side of the heart.
This oxygenated blood is pumped out to all other parts of the body and back again.
Oxygen is carried via plasma and red blood cells.
Identify the clients perfusion status using appropriate interview questions and physical
assessment skills. - answer-The pulse may be assessed by palpating peripheral arteries
or by auscultating the apical pulse with a stethoscope.
-It is important to know how to use a stethoscope and which site and method are
appropriate.
Compare and contrast perfusion assessment on clients across the lifespan. -
answerPulses for babies: brachial
Pulses for kids under two: the best way is to listen but you can also palpate brachially.
Pulses for adults: radial
Older age increases blood pressure
-Decreased physical activity, physical deconditioning, decreased elasticity of the blood
vessels, and stiffening of the heart valves can lead to a decrease in the overall function
of the heart.
Describe the basic diagnostic and laboratory tests utilized to determine the clients
perfusion status. - answer-Table 38-2 (Common Laboratory Studies Used to Assess
Cardiopulmonary Function)
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