©FYNDLAY EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
Bio 669 - Exam 3 Pulmonary & Renal Exam
Questions And Answers (Guaranteed A+)
The main neural control central coordinating ventilation during quiet breathing is the -
answer✔Dorsal Respiratory Group
What helps to keep the expansion forces of the chest wall and the contracting forces of the
alveoli/lungs linked so that the lung does not collapse and the chest does not expand further: -
answer✔The negative pressure of the pleural cavity
In response to low alveolar PO2 - answer✔Vascular smooth muscle controlling flow that
alveolus will constrict
What happens to the functional residual capacity in COPD - answer✔It increases resetting the
TV to a higher volume
Vasoconstriction of a pulmonary artery serving the area of the lung will have what effect? -
answer✔Decreased blood flow to that area
How is most of the CO2 transported in the blood? - answer✔As bicarbonate that can be
converted back to CO2
Which of the following is true regarding acute respiratory distress syndrome? - answer✔It can
cause severe pulmonary edema
Which of the following statements regarding asthma is incorrect? - answer✔Asthma is
associated with pulse paradoxical which is a rise in systolic pressure of greater than 10 mmHg
during inspiration
The experience of breathing discomfort, shortness of breath, or air hunger while lying in flat in
patients with heart failure is termed? - answer✔Orthopnea
Widespread pulmonary fibrosis, edema and subsequent hypoxemia will most likely result in:
A. Reduced thickness in the myocardium
B. Bradycardia in an otherwise healthy person
C. Pulmonary hypertension
D. Hypercapnia - answer✔C. Pulmonary hypertension
1|Page
, ©FYNDLAY EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
Which part of the following is not a part of Virchows Triad in the development of thrombi and
emboli? - answer✔Immune system activation
The space between the lungs that includes the heart, esophagus, and great vessels is termed
the? - answer✔Mediastinum
Acidosis will ______ the affinity of oxygen to hemoglobin and thus would be considered a
_________ shift in the oxyhemoglobin disassociation curve - answer✔decrease, right
Someone with diminished ventilation to their aveoli as a result of respiratory disease is most
likely to present with: - answer✔ALL of the Above: Pulmonary HTN, Development of right sided
heart failure over time if left untreated, Jugular venous distention
How is the alveolar volume measured?
A. Measuring tidal volume and breathing rate over the course of a minute.
B. Measuring the total amount of air that can be held in the lungs.
C. Subtracting the residual volume from the total lung capacity.
D. Indirectly by measuring PaO2 or PaCO2 - answer✔D. Indirectly by measuring PaO2 or PaCO2
Edema of the alveolar membrane is a problem because:
A. Indicates cancerous changes
B. Restricts perfusion of the alveolus
C. It interferes with normal gas exchange
D. It decreases air resistance in that area - answer✔C. It interferes with normal gas exchange
The pores of Kohn play a role in: - answer✔Allowing air to pass from one alveoli to another,
allowing equal distribution of air.
Which of the following does NOT increase airway resistance (increase the work of breathing)?
A. Bronchoconstriction
B. Activation of the sympathetic nervous system effects on the airways
C. Edema of the bronchial mucosa
D. Mucus collecting on the bronchial mucosa - answer✔B. Activation of the sympathetic
nervous system effects on the airways
Which of the following s/s best fits a person presenting w/ chronic hypoxia as a result of
pumonary fibrosis:
A. Cheyne-Stokes breathing
2|Page
ALL RIGHTS RESERVED.
Bio 669 - Exam 3 Pulmonary & Renal Exam
Questions And Answers (Guaranteed A+)
The main neural control central coordinating ventilation during quiet breathing is the -
answer✔Dorsal Respiratory Group
What helps to keep the expansion forces of the chest wall and the contracting forces of the
alveoli/lungs linked so that the lung does not collapse and the chest does not expand further: -
answer✔The negative pressure of the pleural cavity
In response to low alveolar PO2 - answer✔Vascular smooth muscle controlling flow that
alveolus will constrict
What happens to the functional residual capacity in COPD - answer✔It increases resetting the
TV to a higher volume
Vasoconstriction of a pulmonary artery serving the area of the lung will have what effect? -
answer✔Decreased blood flow to that area
How is most of the CO2 transported in the blood? - answer✔As bicarbonate that can be
converted back to CO2
Which of the following is true regarding acute respiratory distress syndrome? - answer✔It can
cause severe pulmonary edema
Which of the following statements regarding asthma is incorrect? - answer✔Asthma is
associated with pulse paradoxical which is a rise in systolic pressure of greater than 10 mmHg
during inspiration
The experience of breathing discomfort, shortness of breath, or air hunger while lying in flat in
patients with heart failure is termed? - answer✔Orthopnea
Widespread pulmonary fibrosis, edema and subsequent hypoxemia will most likely result in:
A. Reduced thickness in the myocardium
B. Bradycardia in an otherwise healthy person
C. Pulmonary hypertension
D. Hypercapnia - answer✔C. Pulmonary hypertension
1|Page
, ©FYNDLAY EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
Which part of the following is not a part of Virchows Triad in the development of thrombi and
emboli? - answer✔Immune system activation
The space between the lungs that includes the heart, esophagus, and great vessels is termed
the? - answer✔Mediastinum
Acidosis will ______ the affinity of oxygen to hemoglobin and thus would be considered a
_________ shift in the oxyhemoglobin disassociation curve - answer✔decrease, right
Someone with diminished ventilation to their aveoli as a result of respiratory disease is most
likely to present with: - answer✔ALL of the Above: Pulmonary HTN, Development of right sided
heart failure over time if left untreated, Jugular venous distention
How is the alveolar volume measured?
A. Measuring tidal volume and breathing rate over the course of a minute.
B. Measuring the total amount of air that can be held in the lungs.
C. Subtracting the residual volume from the total lung capacity.
D. Indirectly by measuring PaO2 or PaCO2 - answer✔D. Indirectly by measuring PaO2 or PaCO2
Edema of the alveolar membrane is a problem because:
A. Indicates cancerous changes
B. Restricts perfusion of the alveolus
C. It interferes with normal gas exchange
D. It decreases air resistance in that area - answer✔C. It interferes with normal gas exchange
The pores of Kohn play a role in: - answer✔Allowing air to pass from one alveoli to another,
allowing equal distribution of air.
Which of the following does NOT increase airway resistance (increase the work of breathing)?
A. Bronchoconstriction
B. Activation of the sympathetic nervous system effects on the airways
C. Edema of the bronchial mucosa
D. Mucus collecting on the bronchial mucosa - answer✔B. Activation of the sympathetic
nervous system effects on the airways
Which of the following s/s best fits a person presenting w/ chronic hypoxia as a result of
pumonary fibrosis:
A. Cheyne-Stokes breathing
2|Page
