47 A 45-year-old woman with asthma comes to the physician because of shortness of breath for 3 days. Bilateral wheezes are heard on auscultation of the chest Which ofthe following contributes most to the generation of the wheezes on expiration in this patient?A) Bronchiolar smooth muscle contractionB) Elastic recoil of the lung tissuesC) Increased alveolar pressureD) Increased pleural pressureE) Intercostal muscle contraction

Asthma is one among the common non communicable diseases that is present globally. The…

Answered: 47 A 45-year-old woman with asthma…

Intro To Health Care

4th Edition

ISBN:9781337338295

Author:Mitchell

Publisher:Mitchell

Chapter7: Structure And Function Of The Human Body

Section: Chapter Questions

Problem 1AE

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Why are the pleurae not damaged during normal breathing?
Select the correct statement regarding the Intrapulmonary pressure A) difference of atmospheric and respiratory pressures B) it is always negative C) pressure within the alveoli of the lungs D) pressure in the space between the visceral and parietal pleurae
42. A healthy 35-year-old woman is breathing room air while standing. Which of the following best explains why alveoli at the top of the lungs have a higher Po, than alveoli at the of the lungs in this woman?A) Higher perfusion per unit lung volumeB) Higher ratio of ventilation to perfusionC) Higher ventilation per unit lung volumeD) Lower perfusion per unit lung volumeE) Lower ratio of ventilation to perfusionF) Lower ventilation per unit lung volume
Which lung is typically smaller? A) LeftB) Right
Fibrosis is a restrictive disease characterised by abnormal formation of fibre-like scar tissue in the alveoli. How does this affect respiratory function? a) It causes a decrease in airway resistance O b) It causes a decrease in lung compliance O c) It causes an increase in airway resistance d) It causes an increase in lung compliance
62. Which of the following events occurs during the expiratory phase of respiration? A) Contraction of the external intercostal muscles B) Elevation of the ribs C) Increase in thoracic volume D) Relaxation of the diaphragm E) Widening of the costal margin
2) when atmosphere pressure is less than alveolar pressure: A) air moves neither into nor out of the lungs B) atmospheric pressure is never less than alveolar pressure C) inhalation occurs D) exhalation occurs E) the patient dies
33 A 78-year-old man is brought to the emergency department because of a 2-day history of shortness of breath. His respirations are 30/min. Crackles are heard over the right midclavicular line at the level of the fifth intercostal space. This location most likely corresponds to which of the following? A) Costal pleura B) Lingula C) Main bronchus D) Middle lobe E) Upper lobe
60 A 55-year-old woman with severe pulmonary fibrosis undergoes pulmonary function testing. Which of the following findings is most likely in this patient? OA) Decreased FEV, FVC ratio ● B) Decreased lung compliance OC) Decreased work of breathing O O O O O OD) Increased expiratory reserve volume E) Increased functional residual capacity Increased residual volume G) Normal total lung capacity OF)
Choose the disorder that causes a breakdown of alveolar walls and a loss of surface area of the respiratory membrane. a) asthma b) pneumonia c) emphysema d) respiratory distress syndrome of the newborn e) bronchitis
Which of the following is an abnormal lower airway sound associated with breathing? A) Gurgling B) Snoring C) Stridor D) Wheezing
Major alterations in pulmonary function associated with adult respiratory distress syndrome (ARDS) include() A) Hypoxemia B) Increased pulmonary compliance C) Increased resting lung volume D) Increased functional residual capacity E) Decreased dead space ventilation

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