,Chapter 41: Oxygenation vp vp
Fundamentals of Nursing, 9th Edition MULT vp vp vp vp vp
IPLE CHOICE vp
1. A nurse is teaching staff about the conduction of the heart. In which order will the nurse pre
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
sent the conduction cycle, starting with the first structure?
vp vp vp vp vp vp vp vp
1. Bundle of His vp vp
2. Purkinje network vp
3. Intraatrial pathways vp
4. Sinoatrial (SA) node vp vp
5. Atrioventricular (AV) node vp vp
a. 5, 4, 3, 2, 1 vp vp vp vp
b. 4, 3, 5, 1, 2 vp vp vp vp
c. 4, 5, 3, 1, 2 vp vp vp vp
d. 5, 3, 4, 2, 1 vp vp vp vp
ANS: B vp
The conduction system originates with the SA node, the “pacemaker” of the heart. The electrical imp
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
ulses are transmitted through the atria along intraatrial pathways to the AV node. It assists atrial em
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
ptying by delaying the impulse before transmitting it through the Bundle of His and the ventricular
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
Purkinje network. vp
2. A nurse is teaching the patient with mitral valve problems about the valves in the heart. Start
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
ing on the right side of the heart, describe the sequence of the blood flow through these valves.
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
1. Mitral
2. Aortic
3. Tricuspid
,4. Pulmonic
vp
a. 1, 3, 2, 4vp vp vp
b. 4, 3, 2, 1vp vp vp
c. 3, 4, 1, 2vp vp vp
d. 2, 4, 1, 3vp vp vp
ANS: C vp
The blood flows through the valves in the following direction: tricuspid, pulmonic, mitral, and aortic.
vp vp vp vp vp vp vp vp vp vp vp vp vp vp
3. A nurse explains the function of the alveoli to a patient with respiratory problems. Which informati
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
on about the alveoli’s function will the nurse share with the patient?
vp vp vp vp vp vp vp vp vp vp vp
a. Carries out gas exchange vp vp vp
b. Regulates tidal volume vp vp
c. Produces hemoglobin vp
d. Stores oxygen vp
ANS: A vp
The alveolus is a capillary membrane that allows gas exchange of oxygen and carbon dioxide durin
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
g respiration. The alveoli do not store oxygen, regulate tidal volume, or produce hemoglobin.
vp vp vp vp vp vp vp vp vp vp vp vp vp
4. A nurse auscultates heart sounds. When the nurse hears S2, which valves is the nurse hearing clo
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
se?
a. Aortic and mitral vp vp
b. Mitral and tricuspid vp vp
c. Aortic and pulmonic vp vp
d. Mitral and pulmonic vp vp
, ANS: C vp
As the ventricles empty, the ventricular pressures decrease, allowing closure of the aortic and pulm
vp vp vp vp vp vp vp vp vp vp vp vp vp vp
onic valves, producing the second heart sound, S2. The mitral and tricuspid produce the first heart so
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
und, S1. The aortic and mitral do not close at the same time. The mitral and pulmonic do not close at t
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
he same time.
vp vp
5. The nurse is teaching about the process of exchanging gases through the alveolar capillary me
vp vp vp vp vp vp vp vp vp vp vp vp vp vp
mbrane. Which term will the nurse use to describe this process?
vp vp vp vp vp vp vp vp vp vp
a. Ventilation
b. Surfactant
c. Perfusion
d. Diffusion
ANS: D vp
Diffusion is the process of gases exchanging across the alveoli and capillaries of body tissues.Ventilati
vp vp vp vp vp vp vp vp vp vp vp vp vp vp
on is the process of m o v Ni nUgRgSaI Ns eGs Ti Bn .t Co OaMn d out of the lungs. Surfactant is achemical produced in
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
the lungs to maintain the surface tension of the alveoli and keep them from collapsing. Perfusion is th
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
e ability of the cardiovascular system to carry oxygenated blood to tissues and return deoxygenated
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
blood to the heart. vp vp vp
6. A nurse is caring for a patient who was in a motor vehicle accident that resulted in cervical trau
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
ma to C4. Which assessment is the priority?
vp vp vp vp vp vp vp
a. Pulse
b. Respirations
c. Temperature
d. Blood pressure vp
ANS: B vp
Respirations and oxygen saturation are the priorities. Cervical trauma at C3 to C5 usually results in p
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
aralysis of the phrenic nerve. When the phrenic nerve is damaged, the diaphragm does not descend
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
properly, thus reducing inspiratory lung volumes and causing hypoxemia. While pulse
vp vp vp vp vp vp vp vp vp vp
Fundamentals of Nursing, 9th Edition MULT vp vp vp vp vp
IPLE CHOICE vp
1. A nurse is teaching staff about the conduction of the heart. In which order will the nurse pre
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
sent the conduction cycle, starting with the first structure?
vp vp vp vp vp vp vp vp
1. Bundle of His vp vp
2. Purkinje network vp
3. Intraatrial pathways vp
4. Sinoatrial (SA) node vp vp
5. Atrioventricular (AV) node vp vp
a. 5, 4, 3, 2, 1 vp vp vp vp
b. 4, 3, 5, 1, 2 vp vp vp vp
c. 4, 5, 3, 1, 2 vp vp vp vp
d. 5, 3, 4, 2, 1 vp vp vp vp
ANS: B vp
The conduction system originates with the SA node, the “pacemaker” of the heart. The electrical imp
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
ulses are transmitted through the atria along intraatrial pathways to the AV node. It assists atrial em
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
ptying by delaying the impulse before transmitting it through the Bundle of His and the ventricular
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
Purkinje network. vp
2. A nurse is teaching the patient with mitral valve problems about the valves in the heart. Start
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
ing on the right side of the heart, describe the sequence of the blood flow through these valves.
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
1. Mitral
2. Aortic
3. Tricuspid
,4. Pulmonic
vp
a. 1, 3, 2, 4vp vp vp
b. 4, 3, 2, 1vp vp vp
c. 3, 4, 1, 2vp vp vp
d. 2, 4, 1, 3vp vp vp
ANS: C vp
The blood flows through the valves in the following direction: tricuspid, pulmonic, mitral, and aortic.
vp vp vp vp vp vp vp vp vp vp vp vp vp vp
3. A nurse explains the function of the alveoli to a patient with respiratory problems. Which informati
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
on about the alveoli’s function will the nurse share with the patient?
vp vp vp vp vp vp vp vp vp vp vp
a. Carries out gas exchange vp vp vp
b. Regulates tidal volume vp vp
c. Produces hemoglobin vp
d. Stores oxygen vp
ANS: A vp
The alveolus is a capillary membrane that allows gas exchange of oxygen and carbon dioxide durin
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
g respiration. The alveoli do not store oxygen, regulate tidal volume, or produce hemoglobin.
vp vp vp vp vp vp vp vp vp vp vp vp vp
4. A nurse auscultates heart sounds. When the nurse hears S2, which valves is the nurse hearing clo
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
se?
a. Aortic and mitral vp vp
b. Mitral and tricuspid vp vp
c. Aortic and pulmonic vp vp
d. Mitral and pulmonic vp vp
, ANS: C vp
As the ventricles empty, the ventricular pressures decrease, allowing closure of the aortic and pulm
vp vp vp vp vp vp vp vp vp vp vp vp vp vp
onic valves, producing the second heart sound, S2. The mitral and tricuspid produce the first heart so
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
und, S1. The aortic and mitral do not close at the same time. The mitral and pulmonic do not close at t
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
he same time.
vp vp
5. The nurse is teaching about the process of exchanging gases through the alveolar capillary me
vp vp vp vp vp vp vp vp vp vp vp vp vp vp
mbrane. Which term will the nurse use to describe this process?
vp vp vp vp vp vp vp vp vp vp
a. Ventilation
b. Surfactant
c. Perfusion
d. Diffusion
ANS: D vp
Diffusion is the process of gases exchanging across the alveoli and capillaries of body tissues.Ventilati
vp vp vp vp vp vp vp vp vp vp vp vp vp vp
on is the process of m o v Ni nUgRgSaI Ns eGs Ti Bn .t Co OaMn d out of the lungs. Surfactant is achemical produced in
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
the lungs to maintain the surface tension of the alveoli and keep them from collapsing. Perfusion is th
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
e ability of the cardiovascular system to carry oxygenated blood to tissues and return deoxygenated
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
blood to the heart. vp vp vp
6. A nurse is caring for a patient who was in a motor vehicle accident that resulted in cervical trau
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
ma to C4. Which assessment is the priority?
vp vp vp vp vp vp vp
a. Pulse
b. Respirations
c. Temperature
d. Blood pressure vp
ANS: B vp
Respirations and oxygen saturation are the priorities. Cervical trauma at C3 to C5 usually results in p
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
aralysis of the phrenic nerve. When the phrenic nerve is damaged, the diaphragm does not descend
vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp vp
properly, thus reducing inspiratory lung volumes and causing hypoxemia. While pulse
vp vp vp vp vp vp vp vp vp vp
