RESPIRATORY FINAL EXAM
QUESTIONS AND ANSWERS
Which is NOT considered to be a primary function of the respiratory system? - Answer-
regulation of water balance
Ventilation is also known as - Answer-breathing
The upper respiratory tract includes all EXCEPT which of the following? - Answer-lungs
The lower respiratory tract includes - Answer-all of the bronchial branches and the lungs
Pulmonary ventilation refers to the - Answer-movement of air into and out of the lungs.
High carbon dioxide concentration in body fluids is called - Answer-hypercapnia.
The partial pressure of oxygen in arterial blood is approximately ________ mm Hg -
Answer-100
The partial pressure of carbon dioxide in the cells of peripheral tissues is approximately
________ mm Hg. - Answer-45
The process by which dissolved gases are exchanged between the blood and interstitial
fluids is - Answer-Diffusion
Of the factors that influence diffusion of respiratory gases, the most variable and,
therefore, important factor to consider is the - Answer-Concentration Gradient
The lung pathology most likely to result from certain kinds of heart disease is - Answer-
Pulmonary Edema
If the partial pressure of oxygen in both air and water is 100 mm Hg, then the
concentration of the oxygen is the same in the air and water. - Answer-False
The variables of oxygen consumption, cardiac output, and blood oxygen content are
unrelated - Answer-False
Which of the following characteristics makes hemoglobin's structure such a good match
for its function as an oxygen carrier? - Answer-Each hemoglobin molecule can bind four
oxygen molecules
Most of the oxygen transported by the blood is - Answer-Bound to hemoglobin
QUESTIONS AND ANSWERS
Which is NOT considered to be a primary function of the respiratory system? - Answer-
regulation of water balance
Ventilation is also known as - Answer-breathing
The upper respiratory tract includes all EXCEPT which of the following? - Answer-lungs
The lower respiratory tract includes - Answer-all of the bronchial branches and the lungs
Pulmonary ventilation refers to the - Answer-movement of air into and out of the lungs.
High carbon dioxide concentration in body fluids is called - Answer-hypercapnia.
The partial pressure of oxygen in arterial blood is approximately ________ mm Hg -
Answer-100
The partial pressure of carbon dioxide in the cells of peripheral tissues is approximately
________ mm Hg. - Answer-45
The process by which dissolved gases are exchanged between the blood and interstitial
fluids is - Answer-Diffusion
Of the factors that influence diffusion of respiratory gases, the most variable and,
therefore, important factor to consider is the - Answer-Concentration Gradient
The lung pathology most likely to result from certain kinds of heart disease is - Answer-
Pulmonary Edema
If the partial pressure of oxygen in both air and water is 100 mm Hg, then the
concentration of the oxygen is the same in the air and water. - Answer-False
The variables of oxygen consumption, cardiac output, and blood oxygen content are
unrelated - Answer-False
Which of the following characteristics makes hemoglobin's structure such a good match
for its function as an oxygen carrier? - Answer-Each hemoglobin molecule can bind four
oxygen molecules
Most of the oxygen transported by the blood is - Answer-Bound to hemoglobin
