Bio 669 - Exam 3 Pulmonary & Renal
UPDATED ACTUAL Questions and
CORRECT Answers
The main neural control central coordinating ventilation during quiet breathing is the -
CORRECT 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: -
CORRECT ANSWER✔✔- The negative pressure of the pleural cavity
In response to low alveolar PO2 - CORRECT ANSWER✔✔- Vascular smooth muscle
controlling flow that alveolus will constrict
What happens to the functional residual capacity in COPD - CORRECT 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? -
CORRECT ANSWER✔✔- Decreased blood flow to that area
How is most of the CO2 transported in the blood? - CORRECT ANSWER✔✔- As
bicarbonate that can be converted back to CO2
Which of the following is true regarding acute respiratory distress syndrome? - CORRECT
ANSWER✔✔- It can cause severe pulmonary edema
Which of the following statements regarding asthma is incorrect? - CORRECT
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? - CORRECT 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 - CORRECT ANSWER✔✔- C. Pulmonary hypertension
Which part of the following is not a part of Virchows Triad in the development of thrombi
and emboli? - CORRECT ANSWER✔✔- Immune system activation
The space between the lungs that includes the heart, esophagus, and great vessels is termed
the? - CORRECT ANSWER✔✔- Mediastinum
Acidosis will ______ the affinity of oxygen to hemoglobin and thus would be considered a
_________ shift in the oxyhemoglobin disassociation curve - CORRECT ANSWER✔✔-
decrease, right
Someone with diminished ventilation to their aveoli as a result of respiratory disease is most
likely to present with: - CORRECT 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 - CORRECT 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
UPDATED ACTUAL Questions and
CORRECT Answers
The main neural control central coordinating ventilation during quiet breathing is the -
CORRECT 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: -
CORRECT ANSWER✔✔- The negative pressure of the pleural cavity
In response to low alveolar PO2 - CORRECT ANSWER✔✔- Vascular smooth muscle
controlling flow that alveolus will constrict
What happens to the functional residual capacity in COPD - CORRECT 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? -
CORRECT ANSWER✔✔- Decreased blood flow to that area
How is most of the CO2 transported in the blood? - CORRECT ANSWER✔✔- As
bicarbonate that can be converted back to CO2
Which of the following is true regarding acute respiratory distress syndrome? - CORRECT
ANSWER✔✔- It can cause severe pulmonary edema
Which of the following statements regarding asthma is incorrect? - CORRECT
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? - CORRECT 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 - CORRECT ANSWER✔✔- C. Pulmonary hypertension
Which part of the following is not a part of Virchows Triad in the development of thrombi
and emboli? - CORRECT ANSWER✔✔- Immune system activation
The space between the lungs that includes the heart, esophagus, and great vessels is termed
the? - CORRECT ANSWER✔✔- Mediastinum
Acidosis will ______ the affinity of oxygen to hemoglobin and thus would be considered a
_________ shift in the oxyhemoglobin disassociation curve - CORRECT ANSWER✔✔-
decrease, right
Someone with diminished ventilation to their aveoli as a result of respiratory disease is most
likely to present with: - CORRECT 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 - CORRECT 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
