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EDITION POTTERMaterial
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Prime yourself for your Tests – Study Questions
Chapter 41: Oxygenation
Fundamentals of Nursing, 9th Edition
MULTIPLE CHOICE
1. A nurse is teaching staff about the conduction of the heart. In which order will the nurse
present the conduction cycle, starting with the first structure?
1. Bundle of His
2. Purkinje network
3. Intraatrial pathways
4. Sinoatrial (SA) node
5. Atrioventricular (AV) node
a. 5, 4, 3, 2, 1
b. 4, 3, 5, 1, 2
c. 4, 5, 3, 1, 2 NURSINGTB.COM
d. 5, 3, 4, 2, 1
ANS: B
The conduction system originates with the SA node, the “pacemaker” of the heart. The electrical
impulses are transmitted through the atria along intraatrial pathways to the AV node. It assists
atrial emptying by delaying the impulse before transmitting it through the Bundle of His and the
ventricular Purkinje network.
2. A nurse is teaching the patient with mitral valve problems about the valves in the heart.
Starting on the right side of the heart, describe the sequence of the blood flow through these
valves.
1. Mitral
2. Aortic
3. Tricuspid
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4. Pulmonic
a. 1, 3, 2, 4
b. 4, 3, 2, 1
c. 3, 4, 1, 2
d. 2, 4, 1, 3
ANS: C
The blood flows through the valves in the following direction: tricuspid, pulmonic, mitral, and
aortic.
3. A nurse explains the function of the alveoli to a patient with respiratory problems. Which
information about the alveoli’s function will the nurse share with the patient?
a. Carries out gas exchange
b. Regulates tidal volume
NURSINGTB.COM
c. Produces hemoglobin
d. Stores oxygen
ANS: A
The alveolus is a capillary membrane that allows gas exchange of oxygen and carbon dioxide
during respiration. The alveoli do not store oxygen, regulate tidal volume, or produce
hemoglobin.
4. A nurse auscultates heart sounds. When the nurse hears S2, which valves is the nurse hearing
close?
a. Aortic and mitral
b. Mitral and tricuspid
c. Aortic and pulmonic
d. Mitral and pulmonic
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