NUR 321 VCE #3 Lesson 12- Oxygenation BEST EXAM STUDY GUIDE

1. The term _________________ is used to refer to inadequate tissue oxygenation at the cellular
level.
Ans:____Hypoxia___(pg.877)_____
2. The process of adding water to a gas is known as ____________________.
Ans:___Humidification__(pg.892)______
3. While reviewing a patient's medical record, a nurse notes a history of atelectasis. Based
on your understanding, you recognize that this condition results when there is:
A. an imbalance between myocardial oxygen demands and the available supply.
B. an excessive ventilation of the alveoli.
C. a collapse of the alveoli.
D. a lack of available circulating hemoglobin.
Ans:__C__(pg.872)_______
4. While auscultating the patient's lung fields, the nurse notes the presence of a highpitched musical sound. Which of the following sounds has the nurse likely heard?
A. Rales
B. Wheezes
C. Rhonchi
D. Crackles 
VCE Assignment #3-Lesson 12: Oxygenation
Ans:____B__(pg.882)______
Indicate whether the following statement is true or false.
5. Forgetfulness and irritability are often the first signs of respiratory problems.
Ans:____True__(pg.879)_____
Exercise 2
 Online
 This exercise will take approximately 45 minutes to complete.
Sign in to work at Pacific View Regional Hospital on the Medical-Surgical Floor for Period of
Care 1. (Note: If you are already in the virtual hospital from a previous exercise, click on
Leave the Floor and then on Restart the Program to get to the sign-in window).
From the Patient List, select Patricia Newman (Room 406).
Click on Get Report and then click on Go to Nurses' Station.
Click on Chart and then on 406.
Click on and review the Nursing Admission, Physician's Notes, History and Physical and the
Laboratory Reports.

6. What is Patricia Newman's admitting diagnosis?
Ans:__ "I think I have pneumonia again."_______________
7. What are the significant findings in Patricia Newman's medical history?
 Smoker 90-pack-year history. Emphysema for 12 years. Multiple hospitalizations
for pneumonia in the past 2 years. Osteoporosis diagnosed 8 years ago. Hypertension
for 15 years.
8. Which of the following physiologic changes in oxygenation have resulted from Patricia
Newman's admitting diagnosis?
A. Impaired ventilatory movement
B. Decreased hemoglobin level
C. Decreased diffusion of oxygen from the alveoli to the blood
D. Instability of tissues to extract oxygen from the blood
E. Obstruction of airways with mucus

Ans:_____C___________
9. How will the physician determine which medication is best to treat Patricia Newman's
pneumonia?
VCE Assignment #3-Lesson 12: Oxygenation
Sputum sent for gram stain, culture and sensitivity, antibiotic therapy started
pending results. Consults requested: Pulmonary function, Dietary,
Physical/occupational therapy, and Social work.

10. The physician has ordered oxygen at 2 L per nasal cannula. Which of the following
statements about this method of delivery is correct?
A. Oxygen per nasal cannula is drying to mucous membranes.
B. The use of the nasal cannula interferes with eating and talking.
C. The use of the nasal cannula is an expensive means of oxygen delivery.
D. The nasal cannula is an effective way to provide humidified oxygen.
Ans:______D (pg.902)_________
Click on Return to Nurses' Station.
Click on 406 at the bottom of the screen.
Review the Initial Observations.
Click on Take Vital Signs and review.
Click on Patient Care and then on Physical Assessment.
Review the assessments for Head & Neck, Chest, and Back & Spine.
11. What are Patricia Newman's vital signs?
 175/92; 90; 101.8; 106; 28; 0
12. Patricia Newman's oxygen saturation is what?
SpO2 is 90%
13. The pulse oximeter reading is the:
A. blood's hemoglobin level.
B. oxygen saturation of hemoglobin in the blood.
C. the body's level of PaCO2.
D. the body's acid-base balance.
Ans:_____B (pg.486)____________
14. The physician has ordered oxygen therapy via nasal cannula at 2 L. What are the
implications of increasing the oxygen to Patricia Newman?

15. What findings on the respiratory assessment provide support for the admitting
diagnosis?

16. True or False: Patricia Newman's use of accessory muscles for breathing will ultimately
increase her pulmonary capacity.
VCE Assignment #3-Lesson 12: Oxygenation
Ans:____False____________
17. True or False: The stimulus for Patricia Newman to breathe is a lack of available oxygen.

Ans:_____True____________
18. What nursing interventions can be implemented to improve airway clearance?
Ans:_________________
1. Admit to Medical Unit. 2. IV antibiotics for pneumonia. 3. Evaluate pulmonary function. 4.
Obtain dietary consult.