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NR224 Week 7 Oxygenation and Nursing Skills Study Guide – Practice Questions, Answers & Exam Review PDF

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Master NR224 Week 7 Oxygenation and Nursing Skills with this comprehensive study guide designed for nursing students. This resource covers essential oxygenation concepts, nursing interventions, respiratory assessment, oxygen therapy, and key nursing skills needed for exam success. Includes practice questions, answers, and important review points to help prepare for nursing exams and improve clinical understanding.

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NR224 Week 7 Oxygenation and Nursing Skill
NR224 Week 7 Oxygenation and Nursing Skill
Study online at https://quizlet.com/_eykww4

1. Which information does a pulse oximeter mea- Saturation of hemoglobin with oxygen
sure?

2. What percentage of the air we breathe is oxy- 21%
gen?

3. Which muscle group is primarily responsible Diaphragm
for the inflation of the lungs?

4. When gas exchange is impaired, both the - compensate
lungs and heart can (compensate/worsen) for - homeostasis
a limited time by altering the respiratory rate, - damage
heart rate, or both, allowing the body to return
to (disequilibrium/homeostasis.) When com-
pensatory mechanisms fail, the result may
lead to tissue and organ (damage/hypertro-
phy) or death.

5. For each underlying pathophysiologic change, Hypoxia
specify if the change is associated with hypox- - Not enough functional red blood cell-
ia or hypoxemia. s
- Blood is not reaching the tissues
- Hypoventilation - Cyanide poisoning
- Oxygen is not reaching the alveoli
- Not enough functional red blood cells Hypoxemia
- Diffusion impairment - Hypoventilation
- Blood is not reaching the tissues - Oxygen is not reaching the alveoli
- Cyanide poisoning - Diffusion impairment

6. Match each device with name and then identi- Spirometry: Ventilation
fy the piece of gas exchange it measures: Oximeter: Hypoxemia
Lab Testing: Hypoxemia
Device Name: Chest X-Ray: Ventilation


, NR224 Week 7 Oxygenation and Nursing Skill
NR224 Week 7 Oxygenation and Nursing Skill
Study online at https://quizlet.com/_eykww4

- Spirometry
- Oximeter
- Lab Testing
- Chest X-Ray

Gas Exchange Measured:
- Ventilation
- Hypoxemia

7. Match each device with its name and then - Echocardiogram: Dysfunctional
identify the piece of gas exchange it mea- Valves
sures. - Lab Testing: Myocardial infarction
- Electrocardiogram: Dysrhythmia
Type of Test: - Cardiac Catheterization: Altered car-
Echocardiogram - Angina, Dysfunctional diac output; Infarction/Ischemia
valves, VQ mismatch
Lab Testing - Myocarditis, Myocardial infarc-
tion, VQ mismatch
Electrocardiogram - Aortic aneurysm, De-
creased blood flow, Dysrhythmia
Cardiac Catheterization - Decreased blood
flow, Altered cardiac output; Infarction/Is-
chemia, Myocarditis

8. For each sign or symptom listed, specify the Ventilation Device: Cannot take a deep
prioritized device for assistance: ventilation breath, Stopped breathing
device, oxygen, or inhaled medication.
Oxygen: Oxygen saturation 78%
- Ventilation Device
- Oxygen Inhaled Medication: Asthmatic wheez-
- Inhaled Medication ing

SIGN/SYMPTOM


, NR224 Week 7 Oxygenation and Nursing Skill
NR224 Week 7 Oxygenation and Nursing Skill
Study online at https://quizlet.com/_eykww4

Oxygen saturation 78%
Cannot take a deep breath
Asthmatic wheezing
Stopped breathing

9. Situation: An older adult arrives at the emer- Impaired gas exchange
gency department (ED) with a productive
cough, fatigue, and shortness of breath that
has worsened over the last three days.
Background: No history of medical problems;
takes no prescription medications; occasion-
ally takes acetaminophen for pain; does not
smoke.
Assessment: T 98.6°F (37°C), BP 155/85, P 120,
R 30, oxygen saturation (O2 sat) 88% on room
air; lung sounds diminished right lower lobe
with rhonchi present; heart regular rhythm
with no murmurs or extra heart sounds.

The client is admitted with dyspnea. They are
tachypneic at 30 with a blood pressure of
160/90, pulse of 125 and regular, and oxygen
saturation is 88%. What is the priority nursing
diagnosis for this client?

10. Situation: An older adult arrives at the emer- Chest X-Ray
gency department (ED) with a productive
cough, fatigue, and shortness of breath that
has worsened over the last three days.
Background: No history of medical problems;
takes no prescription medications; occasion-
ally takes acetaminophen for pain; does not



, NR224 Week 7 Oxygenation and Nursing Skill
NR224 Week 7 Oxygenation and Nursing Skill
Study online at https://quizlet.com/_eykww4

smoke.
Assessment: T 98.6°F (37°C), BP 155/85, P 120,
R 30, oxygen saturation (O2 sat) 88% on room
air; lung sounds diminished right lower lobe
with rhonchi present; heart regular rhythm
with no murmurs or extra heart sounds.

Which diagnostic test should the nurse antici-
pate being ordered?

11. Situation: An older adult arrives at the emer- Hypoxemia
gency department (ED) with a productive
cough, fatigue, and shortness of breath that
has worsened over the last three days.
Background: No history of medical problems;
takes no prescription medications; occasion-
ally takes acetaminophen for pain; does not
smoke.
Assessment: T 98.6°F (37°C), BP 155/85, P 120,
R 30, oxygen saturation (O2 sat) 88% on room
air; lung sounds diminished right lower lobe
with rhonchi present; heart regular rhythm
with no murmurs or extra heart sounds.

The chest x-ray results confirm community-ac-
quired pneumonia. Both the electrocardio-
gram and echocardiogram are normal. Based
on these results, what is the most likely cause
of the client's increased respirations?

12. Situation: An older adult arrives at the emer- Oxygen
gency department (ED) with a productive

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