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BIO 669 SECTION #3 QUESTIONS WITH COMPLETE ANSWERS
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BIO 669 SECTION #3 QUESTIONS WITH COMPLETE ANSWERS
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BIO 669 SECTION #3 QUESTIONS WITHCOMPLETE ANSWERS
A patient has a history of emphysema and has hyperinflated lungs. Which of the
following would be TRUE regarding this patient? - Answer-Increased lung compliance
The compliance within the apex of the lung of a standing person be ____ than the base
of the lung - Answer-Greater than
In response to high alveolar PO2 (PaO2), which of the following will NOT occur? -
Answer-Pulmonary artery vasoconstriction
The effect of oxygen saturation on carbon dioxide binding to hemoglobin is termed the
____ effect. - Answer-Haldane
The amount of quiet inhalation/exhalation in a typical breath is termed the: - Answer-
Tidal volume
Your patient presents with a respiratory infection, localized pain on the left side of the
chest, combined with an audible friction rub heard with your stethoscope that just began
the past few days. Patient has decreased breath sounds and dullness to percussion to
that area. A mediastinal shift was seen on X-ray. Your most likely diagnosis is: -
Answer-A larger pleural effusion
Chronic inflammation of the bronchial wall, with destruction of the elastic and muscular
components best describes: - Answer-Bronchiectasis
The experience of breathing discomfort, shortness of breath or air hunger upon lying in
patients with heart failure is termed: - Answer-Orthopnea
Which of the following is NOT part of Virchow's triad in the development of thrombi and
emboli? - Answer-Immune system activation
The pulmonary disease most associated with permanent enlargement of acini due to
loss of elastic tissue and inflammatory remodeling (without the obvious addition of
connective tissue) with air trapping is: (Hint could also be a result of apha 1-antitrypsin
deficit) - Answer-Emphysema
How is most of the CO2 transported in the blood? - Answer-As bicarbonate that can be
converted back to CO2
Which of the following does NOT have cartilage as part of its structure? - Answer-
Respiratory bronchioles
, What effects would acidemia at the alveolar level have on the pulmonary artery? -
Answer-Decreased blood flow (vasoconstriction) to that area
Which of the following is NOT part of the alveolar capillary membrane? - Answer-
Hyaline cartilage
What effect would decreased compliance have on ventilation? - Answer-The increased
stiffness would make inspiration more difficult
Which of the following pulmonary conditions would not be considered as an Acue Lung
Injury (ALI)/Acute Respiratory Distress Syndrome (ARDS)? - Answer-Aortic stenosis
leading to left sided heart failure and pulmonary dysfunction/hypoxemia
The space between the lungs that include the heart, esophagus, and the great vessels
is termed - Answer-Mediastinum
Which of the following is TRUE regarding Acute Respiratory Syndrome (ARDS)? -
Answer-It can cause severe pulmonary edema
A pulmonary embolus creating alveolar dead space will likely have which - Answer-High
V/Q ratio
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 - Answer-Bronchiolitis
Pulmonary fibrosis is most likely to result in all of the following except - Answer-Oxygen
toxicity
In response to low alveolar PO2 (PaO2) - Answer-Vascular smooth muscle controlling
flow that that alveolus will constrict
Kussmaul breathing is best described as: - Answer-Slightly increased ventilatory rate
with very large tidal volumes and no expiratory pause
Which of the following does not increase airway resistance (increase the work of
breathing)? - Answer-Activation of the sympathetic nervous system effects on the
airways
Someone with a diminished ventilation to their alveoli as a result of respiratory disease
is most likely to present with: - Answer-Pulmonary hypertension
Development of right sided heart failure over time if untreated
Jugular venous distention
All of the above
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