Objectives:
• Describe cardiac output, stroke volume, preload, and afterload.
• Review the impact of a patient's level of health, age, lifestyle, and environment
on oxygenation.
• Review the assessment and nursing care for a patient with impaired oxygenation.
Exercise 1
Writing
This exercise will take approximately 15 minutes to complete.
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
high- pitched 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?
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