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Calculate the residual volume

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Reference no: EM132191619

Question - A 155 lb., 60-year-old man had a chronic productive cough, exertional dyspnea, mild cyanosis, and marked slowing of forced expiration. His pulmonary function and laboratory tests follow:

Frequency

15 breaths/min

Alveolar ventilation

4.1 L/min

Vital capacity (VC)

2.2 L

Functional residual capacity (FRC)

4.0 L

Total lung capacity (TLC)

5.2 L

Maximum inspiratory flow rate

252 L/min

Maximum expiratory flow rate

21 L/min

PaO2

63 mm Hg

PaCO2

38 mm Hg

Pulmonary function tests after bronchodilator therapy:

Frequency

15 breaths/min

Alveolar ventilation

4.25 L/min

VC

2.4 L

FRC

4.0 L

TLC

5.2 L

Maximum inspiratory flow rate

252 L/min

Maximum expiratory flow rate

24 L/min

PaO2

63 mm Hg

PaCO2

37 mm Hg

Q1: What is the disorder of this man?

Q2: Is this mainly a restrictive or an obstructive disorder? Explain.

Q3: Why is the bronchodilator therapy ineffective for this patient?

Q4: What causes the hypoxemia?

Q5: Calculate the residual volume (RV) for this person before and after the bronchodilator therapy. RV = TLC - VC.

Q6: What is the cause of this altered RV?

Q7: Calculate the tidal volume (TV) for this person before and after the bronchodilator therapy. TV = AV/f + patient body weight. Hint: TV is calculated in mL, so you will need to convert L to mL before completing the equation.

Q8: Is each TV normal or altered?

Q9: Calculate the minute ventilation (MV) for this person before and after the bronchodilator therapy. MV = TV × f.

Q10: Is each MV normal or altered?

Reference no: EM132191619

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len2191619

12/12/2018 1:23:01 AM

Please read the case study, then use that information and your sources to answer the questions that follow. Use complete sentences with proper spelling, grammar, and punctuation. Be specific and answer the questions in detail. Remember that you cannot copy and paste any information directly from any source. Put the information into your own words and then cite your source in proper APA format. I attached the document that has all questions + case study.

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