BIO 669 Quiz 5a All Answers Correct

BIO 669 Quiz 5a All Answers Correct A 1- year old child presents with tachypnea, labored breathing and wheezing following onset of what appears to be a cold/viral infection. The most likely diagnosis at this time is: ️Bronchiolitis Chronic inflammation of the bronchial wall, with the destruction of the elastic and muscular components best describes: ️Bronchiectasis Edema at the alveolar capillary membrane is a problem because: ️It interferes with normal gas exchange How is alveolar volume measured? ️Indirectly by measuring PaO2 or PaCO2 How is most of the CO2 transported in the blood? ️As bicarbonate that can be converted back to CO2 In response to high alveolar PO2 (PaO2), which of the following will not occur? ️Pulmonary artery vasoconstriction Kussmaul breathing is best described as: ️Slightly increased ventilator rate with large tidal volumes and no expiratory pause The effects of oxygen saturation on CO2 binding to hemoglobin is termed the __________ effect. ️Haldane The experience of breathing discomfort, shortness of breath or air hunger upon lying flat in patients with heart failure is termed: ️Orthopnea The pulmonary disease most associated with permanent enlargement of acini due to loss of elastic tissue and inflammatory remodeling ( without obvious addition of connective tissue) with air trapping is (hint: could also be a result of alpha 1-antitrypsin deficit): ️Emphysema The ventilation-perfusion ratio is the same in the lung apex as the base in a standing, normal person. ️False The vital capacity is comprised of all of the following volumes EXCEPT: ️Residual volume Ventilations that increase in volume until a peak, followed by decreasing volumes until a period of apnea occurs, then repeats is best described as what breathing pattern? ️Cheyenne-stokes respirations Which of the following is NOT associated with pulmonary edema? ️Right-sided heart failure from tricuspid prolapse Which of the following is NOT part of the alveolar capillary membrane? ️Hyaline cartlige Which of the following is TRUE regarding the patho physiology of asthma? ️Inflammation results in hyper-responsiveness Which of the following muscles is NOT associated with inspirations? ️Internal intercostal Which of the following pulmonary conditions would not be considered as an Acute Lung Injury (ALI) or acute respiratory distress syndrome (ARDS)? ️Aortic stenosis leading to left sided heart failure and pulmonary dysfunction/hypoxemia Which of the following statements about pneumonia is INCORRECT? ️Pneumonia is an