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BIO 669 Quiz 5 questions and answers latest graded A+ 2024/2025
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BIO 669 Quiz 5 questions and answers latest graded A+ 2024/2025
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BIO 669 Quiz 5A patient has a history of emphysema and has hyperinflated lungs. Which of the following would be true
regarding this patient?
Increased lung compliance
The compliance within the apex of the lung of a standing person would be ___ than the base of the lung
Less than
The space between the lungs that include the heart, esophagus, and the great vessels is termed
Mediastinum
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Which of the following is true regarding acute respiratory syndrome (ARDS)
It can cause severe pulmonary edema
Pulmonary fibrosis is most likely to result in all of the following except
Oxygen toxicity
Emphysema results from
An infected pleural effusion
A reduced oxygenation of the blood is termed
Hypoxemia
Along with respiratory bronchioles, the ___ is a thin walled balloon-liked structure that acts as the
primary unit of gas exchange
Alveolus
The most common feature as a result of hyperventilation is
Hypocapnia
The pores of Kohn play a role in
Allowing air to pass from one alveoli to another, allowing equal distribution of air
, What effect would acidemia at the alveolar level have on the pulmonary artery
Decreased blood flow (vasoconstriction) to the area
While most alveolar perfusion is under control of local humoral conditions, widespread decrease in PaO2
(alveolar O2) is likely to result in
Pulmonary artery contriction (pulmonary hypertension)
A pulmonary embolus creating alveolar dead space will likely have which of the following effects
High V/Q ratio
Severe bronchospasm not responsive to the normal measures (beta agonist bronchodilators) is best
described as:
Status asthmaticus
All of the following are findings consistent with pulmonary fibrosis EXCEPT
Increased lung compliance
Which of the following does NOT increase airway resistance (increase the work of breathing)
Activation of the sympathetic nervous system effects on the airways
The effect of H+ on oxygen binding to hemoglobin is termed the ______ effect
Bohr
What happens to the functional residual capacity in COPD
It increases, resetting the TV to a higher volume
Acidosis will ____ the affinity of oxygen to hemoglobin and thus would be considered a ____ shift in the
oxyhemoglobin dissociation curve
Decrease, right
Which of the following is NOT part of Virchow's triad in the development of thrombi and emboli
Immune system activation
Which of the following statements is INCORRECT regarding tuberculosis
Presents as an acute onset and rapidly advancing disease process
Which of the following signs/symptoms best fits a patient presenting with chronic hypoxia as a result of
pulmonary fibrosis
Clubbing of the fingers
The main neutral control center coordinating ventilation during quiet breathing is the
Dorsal respiratory group
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