1|Page
BIO 669 EXAM 3 ACTUAL EXAM 2 VERSIONS 2025/
2026 ACTUAL EXAM COMPLETE EXAM QUESTIONS
WITH DETAILED VERIFIED ANSWERS WITH
RATIONALES (100% CORRECT ANSWERS) /ALREADY
GRADED A+||LATEST EXAM!!||
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
, 2|Page
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:
BIO 669 EXAM 3 ACTUAL EXAM 2 VERSIONS 2025/
2026 ACTUAL EXAM COMPLETE EXAM QUESTIONS
WITH DETAILED VERIFIED ANSWERS WITH
RATIONALES (100% CORRECT ANSWERS) /ALREADY
GRADED A+||LATEST EXAM!!||
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
, 2|Page
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:
