BIO 669 EXAM 3 | 2025-2026 LATEST UPDATED | ACTUAL EXAM
QUESTIONS WITH SOLUTIONS | 100% RATED CORRECT | 100%
VERFIED SOLTIONS | ALREADY GRADED A+
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
,2|Page
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
, 3|Page
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
Which of the following is NOT part of Virchow's triad in the development of thrombi and
emboli? - (ANSWER)Immune system activation