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Fundamentals of Nursing: Oxygenation Final Exam Pre-Test.
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Fundamentals of Nursing: Oxygenation Final Exam Pre-Test. Respiration - CORRECT ANSWER exchange of oxygen and carbon dioxide during cellular metabolism 3 Steps of the process of oxygenation: - CORRECT ANSWER 1. Ventilation 2. Perfusion 3. Diffusion (1) Ventilation - CORRECT ANSWER proc...

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  • August 6, 2024
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  • 2024/2025
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  • fundamentals of nursing oxygenation final exam pr

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Fundamentals of Nursing: Oxygenation
Final Exam Pre-Test.

Respiration - CORRECT ANSWER exchange of oxygen and carbon dioxide during cellular metabolism



3 Steps of the process of oxygenation: - CORRECT ANSWER 1. Ventilation

2. Perfusion

3. Diffusion



(1) Ventilation - CORRECT ANSWER process of moving gases into and out of lungs



The Major inspiratory muscle of respiration is the ________________. - CORRECT ANSWER Diaphragm



(2) Perfusion - CORRECT ANSWER the ability of the cardiovascular system to pump oxygenated blood to
the tissues and return deoxygenated blood to the lungs



(3) Diffusion - CORRECT ANSWER the process of exchange of respiratory gases in the alveoli and
capillaries



Work of Breathing (WOB) - CORRECT ANSWER the effort required to expand and contract the lungs



The amount of energy expended on breathing depends on: (3) - CORRECT ANSWER - rate and depth of
breathing

- the ease in which the lungs can be expanded (compliance)

- airway resistance



Inspiration - CORRECT ANSWER active process, stimulated by chemical receptors in the aorta

,Expiration - CORRECT ANSWER passive process that depends on the elastic recoil properties of the lungs,
requiring little or no muscle work



Surfactant - CORRECT ANSWER a chemical produced in the lungs to maintain the surface tension of the
alveoli and keep them from collapsing.



Patients with advanced _________________ lose the elastic recoil of the lungs and thorax. - CORRECT
ANSWER Chronic Obstructive Pulmonary Disease (COPD)



Atelectasis - CORRECT ANSWER a collapse of the alveoli that prevents normal exchange of oxygen and
carbon dioxide



Compliance - CORRECT ANSWER the ability of lungs to distend or expand in response to increased intra-
alveolar pressure



Airway Resistance - CORRECT ANSWER the increase in pressure that occurs as the diameter of the
airway decreases from mouth/nose to alveoli



Tidal Volume - CORRECT ANSWER the amount of air following a normal inspiration



Residual Volume - CORRECT ANSWER amount of air left in the alveoli after a full expiration



Forced Vital Capacity - CORRECT ANSWER maximum amount of air that can be removed from the lungs
during forced expiration



Pulmonary Circulation - CORRECT ANSWER moves blood to and from the alveolar capillary membrane
for gas exchange



Deoxygenation - CORRECT ANSWER Reduced Hemoglobin



_______________ and ______________ regulators control the process of respiration. - CORRECT
ANSWER Neural and Chemical

, Cardiopulmonary Physiology involves: - CORRECT ANSWER delivery of deoxygenated blood (blood high
in CO2 and low in O2) to the right side of the heart and then to the lungs, where it is oxygenated.



Cardiac Output - CORRECT ANSWER amount of blood ejected from the left ventricle each minute



Stroke Volume - CORRECT ANSWER amount of blood ejected by the ventricles with each contraction. It
can be affected by: the amount of blood in the left ventricle at the end of diastole (preload), the
resistance to left ventricular ejection (after load), and myocardial contractility.



Preload - CORRECT ANSWER the amount of blood in the left ventricle a the end of diastole (end-diastolic
pressure)



Afterload - CORRECT ANSWER resistance to left ventricular ejection



Cardiac Output (CO) = - CORRECT ANSWER Stroke Volume (SV) x Heart Rate (HR)



The rhythmic relaxation and contraction of the atria and ventricles depend on continuous, organized
transmission of ___________________________. - CORRECT ANSWER electrical impulses



ECG - CORRECT ANSWER reflects the electrical activity of the conduction system



Normal Sinus Rhythm (NSR) - CORRECT ANSWER Normal sequence on the ECG



P Wave: - CORRECT ANSWER Conduction through both atria



PR Interval: - CORRECT ANSWER Impulse travel time through the AV nose (0.012 to 20 seconds)



QRS Complex: - CORRECT ANSWER The impulse traveled through ventricles (0.06 to 0.12 seconds)

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