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Nursing:
doi: 10.1097/01.NURSE.0000407592.73164.64
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ISSUES IN OBESITY, PART 2: Obesity weighs heavily on lung function

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INSTRUCTIONS Obesity weighs heavily on lung function

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Obesity weighs heavily on lung function

GENERAL PURPOSE: To provide nurses with information about obesity-related lung disorders. LEARNING OBJECTIVES: After reading this article and taking the test, you should be able to: 1. Discuss alterations in the pulmonary system linked to obesity. 2. Identify pulmonary disorders linked to obesity. 3. List nursing interventions for obese patients with asthma, COPD, and OSA.

1. Adult patients meet the CDC's definition of obesity if their BMI is

a. 18.5.

b. 24.9.

c. 29.9.

d. 31.9.

2. The formula for calculating BMI is

a. [height (m)]2/weight (kg)

b. height (m)/[weight (kg)]2

c. weight (kg)/[height (m)]2

d. [weight (kg)]2/height (m)

3. A patient with a BMI of 27.5 is classified as

a. obesity class I.

b. overweight.

c. normal.

d. underweight.

4. A higher prevalence of obesity is associated with

a. having a higher socioeconomic status.

b. being non-Hispanic white.

c. residing in midwestern states.

d. being Black.

5. The maximum amount of air that can be rapidly and forcefully exhaled after full inspiration is

a. RV.

b. TLC.

c. FVC.

d. FEV1.

6. In extreme obesity without other lung disease, what decreases as weight increases?

a. FEV1/FVC

b. TLC

c. ERV

d. DLCO

7. What isn't typically considered when interpreting pulmonary function test results?

a. weight

b. gender

c. race

d. height

8. The risk of obesity-related disease increases for men with a waist circumference greater than

a. 33 inches.

b. 35 inches.

c. 38 inches.

d. 40 inches.

9. Most patients with asthma have an increase in

a. ERV.

b. FEV1.

c. TV.

d. work of breathing.

10. Leptin affects the body by

a. lowering energy expenditure.

b. stimulating formation of adipocytes.

c. suppressing the appetite.

d. inhibiting release of inflammatory cytokines.

11. The most dramatic improvement of asthma symptoms occurs in morbidly obese patients who've

a. undergone bariatric surgery.

b. exercised on a regular basis.

c. complied with medication regimens.

d. used a nutritionist for meal planning.

12. Fat cells that store almost pure triglycerides are known as

a. hepatocytes.

b. oligodendrocytes.

c. adipocytes.

d. melanocytes.

13. Most patients with COPD exhibit a nonreversible decrease in

a. ERV.

b. TLC.

c. RV.

d. FEV1.

14. The GOLD guidelines recommend starting oxygen therapy for patients with

a. severe asthma.

b. stage IV COPD.

c. FEV1/FVC higher than 0.70.

d. OSA.

15. To decrease the frequency of exacerbations and airway inflammation, patients with severe COPD should be given

a. antibiotics.

b. methylxanthines.

c. inhaled corticosteroids.

d. inhaled bronchodilators.

16. What percentage of patients diagnosed with OSA are obese?

a. 5%

b. 20%

c. 45%

d. 70%

17. The treatment of choice for OSA in obese patients is

a. theophylline.

b. inhaled bronchodilators.

c. systemic corticosteroids.

d. CPAP.

18. What does a patient with OSA experience during sleep?

a. hypocapnia

b. hypocarbia

c. hypoxemia

d. hyperoxia

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