Bio669 Exam 3 Questions and Answers
A patient has a history of emphysema and has hyper-inflated lungs. Which of the
following would be true? - ANSWER-Increased lung compliance
The compliance within the apex of the lung of a standing person would be ____ than the
base of the lung - ANSWER-Less than
The space between the lungs that include the heart, esophagus, and the great vessel is
termed - ANSWER-Mediastinum
Which of the following is tru regarding Acute Respiratory Distress Syndrome? -
ANSWER-It can cause severe pulmonary edema
Pulmonary fibrosis is most likely to result in all of the following except - ANSWER-
Oxygen toxicity
Emphysema results from - ANSWER-An infected plural effusion
A reduced oxygenation in the blood is termed - ANSWER-Hypoxemia
Along with respiratory bronchioles, the ____ is a thin walled balloon like structure that
acts as the primary unit of gas exchange - ANSWER-Alveolus
The most common feature as a result of hyperventilation is - ANSWER-Hypocapnia
The pores of Kohn play a role in - ANSWER-Allowing air to pass from one alveoli to
another, allowing equal distribution of air
What effect would acidemia at the alveolar have on the pulmonary artery - ANSWER-
Decreased blood flow (vasoconstriction)
While most alveolar perfusion is under control of local humoral conditions, widespread
decrease in PaO2 (alveolar O2) is likely to result in - ANSWER-Pulmonary arty
construction (pulmonary hypertension)
A pulmonary embolus creating alveolar dead space will likely have which of the
following effects? - ANSWER-High V/Q ratio
Severe Bronchospasm not responsive to the normal measures (beta agonist
bronchodilators) is best described as - ANSWER-Status asthmatics
, All of the following are findings consistent with pulmonary fibrosis expect - ANSWER-
Increased lung compliance
Which of the following does not increase airway resistance (increase the work of
breathing) - ANSWER-Activation of the sympathetic nervous system effects on the
airway
The effect of H+ on oxygen binding to hemoglobin is termed the ___ effect - ANSWER-
Bohr
What happens to the functional residual capacity in COPD? - ANSWER-It's increased,
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 - ANSWER-Decrease, right
A chronic inflammation of the bronchial wall, with destruction of of the elastic and
muscular components best describes - ANSWER-Brochiectasis
In response to high alveolar PO2 which of the following will NOT occur - ANSWER-
Pulmonary Artery vasoconstriction
Which of the following is true regarding the patho physiology of asthma - ANSWER-
Inflammation results in hyper responsiveness
Kussmaul breathing is best described as - ANSWER-Slightly increased ventilator with
very large tidal volumes and no pauses.
The pulmonary disease most associated with permanent enlargement of acini due to
loss of elastic tissue and inflammatory remodeling...... - ANSWER-Emphysema
The vital capacity is compromised of all of the following volumes except - ANSWER-
Residual volume
Which of the following is not a part of the alveolar capillary membrane - ANSWER-
Hyaline cartilage
Edema at the alveolar capillary membrane is a problem because - ANSWER-It
interferes with normal gas exchange
Which of the following is not associated with pulmonary edema? - ANSWER-Right sided
heart failure from tricuspid prolapse
Which of the following statements about pneumonia is incorrect - ANSWER-Pneumonia
is an upper respiratory tract infection
A patient has a history of emphysema and has hyper-inflated lungs. Which of the
following would be true? - ANSWER-Increased lung compliance
The compliance within the apex of the lung of a standing person would be ____ than the
base of the lung - ANSWER-Less than
The space between the lungs that include the heart, esophagus, and the great vessel is
termed - ANSWER-Mediastinum
Which of the following is tru regarding Acute Respiratory Distress Syndrome? -
ANSWER-It can cause severe pulmonary edema
Pulmonary fibrosis is most likely to result in all of the following except - ANSWER-
Oxygen toxicity
Emphysema results from - ANSWER-An infected plural effusion
A reduced oxygenation in the blood is termed - ANSWER-Hypoxemia
Along with respiratory bronchioles, the ____ is a thin walled balloon like structure that
acts as the primary unit of gas exchange - ANSWER-Alveolus
The most common feature as a result of hyperventilation is - ANSWER-Hypocapnia
The pores of Kohn play a role in - ANSWER-Allowing air to pass from one alveoli to
another, allowing equal distribution of air
What effect would acidemia at the alveolar have on the pulmonary artery - ANSWER-
Decreased blood flow (vasoconstriction)
While most alveolar perfusion is under control of local humoral conditions, widespread
decrease in PaO2 (alveolar O2) is likely to result in - ANSWER-Pulmonary arty
construction (pulmonary hypertension)
A pulmonary embolus creating alveolar dead space will likely have which of the
following effects? - ANSWER-High V/Q ratio
Severe Bronchospasm not responsive to the normal measures (beta agonist
bronchodilators) is best described as - ANSWER-Status asthmatics
, All of the following are findings consistent with pulmonary fibrosis expect - ANSWER-
Increased lung compliance
Which of the following does not increase airway resistance (increase the work of
breathing) - ANSWER-Activation of the sympathetic nervous system effects on the
airway
The effect of H+ on oxygen binding to hemoglobin is termed the ___ effect - ANSWER-
Bohr
What happens to the functional residual capacity in COPD? - ANSWER-It's increased,
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 - ANSWER-Decrease, right
A chronic inflammation of the bronchial wall, with destruction of of the elastic and
muscular components best describes - ANSWER-Brochiectasis
In response to high alveolar PO2 which of the following will NOT occur - ANSWER-
Pulmonary Artery vasoconstriction
Which of the following is true regarding the patho physiology of asthma - ANSWER-
Inflammation results in hyper responsiveness
Kussmaul breathing is best described as - ANSWER-Slightly increased ventilator with
very large tidal volumes and no pauses.
The pulmonary disease most associated with permanent enlargement of acini due to
loss of elastic tissue and inflammatory remodeling...... - ANSWER-Emphysema
The vital capacity is compromised of all of the following volumes except - ANSWER-
Residual volume
Which of the following is not a part of the alveolar capillary membrane - ANSWER-
Hyaline cartilage
Edema at the alveolar capillary membrane is a problem because - ANSWER-It
interferes with normal gas exchange
Which of the following is not associated with pulmonary edema? - ANSWER-Right sided
heart failure from tricuspid prolapse
Which of the following statements about pneumonia is incorrect - ANSWER-Pneumonia
is an upper respiratory tract infection
