Questions and CORRECT Answers
A patient has a history of emphysema and has hyper-inflated lungs. Which of the following
would be true? - CORRECT ANSWER - Increased lung compliance
The compliance within the apex of the lung of a standing person would be ____ than the base of
the lung - CORRECT ANSWER - Less than
The space between the lungs that include the heart, esophagus, and the great vessel is termed -
CORRECT ANSWER - Mediastinum
Which of the following is tru regarding Acute Respiratory Distress Syndrome? - CORRECT
ANSWER - It can cause severe pulmonary edema
Pulmonary fibrosis is most likely to result in all of the following except - CORRECT
ANSWER - Oxygen toxicity
Emphysema results from - CORRECT ANSWER - An infected plural effusion
A reduced oxygenation in the blood is termed - CORRECT ANSWER - Hypoxemia
Along with respiratory bronchioles, the ____ is a thin walled balloon like structure that acts as
the primary unit of gas exchange - CORRECT ANSWER - Alveolus
The most common feature as a result of hyperventilation is - CORRECT ANSWER -
Hypocapnia
The pores of Kohn play a role in - CORRECT 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 - CORRECT
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 - CORRECT ANSWER - Pulmonary arty
construction (pulmonary hypertension)
A pulmonary embolus creating alveolar dead space will likely have which of the following
effects? - CORRECT ANSWER - High V/Q ratio
Severe Bronchospasm not responsive to the normal measures (beta agonist bronchodilators) is
best described as - CORRECT ANSWER - Status asthmatics
All of the following are findings consistent with pulmonary fibrosis expect - CORRECT
ANSWER - Increased lung compliance
Which of the following does not increase airway resistance (increase the work of breathing) -
CORRECT ANSWER - Activation of the sympathetic nervous system effects on the
airway
The effect of H+ on oxygen binding to hemoglobin is termed the ___ effect - CORRECT
ANSWER - Bohr
What happens to the functional residual capacity in COPD? - CORRECT 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 - CORRECT ANSWER - Decrease, right