©THESTAR 2024/2025 ALL RIGHTS RESERVED 1:27PM. A+
NURS 681 Final Exam Questions And Answers
|Latest 2025 | Guaranteed Pass.
Which of the following is not true with respect to conducting airways? - Answer✔Secretory
glands increase as airway divides.
The section of the airway that offers the least resistance to airflow is the: - Answer✔Terminal
respiratory unit.
Surfactant is necessary for gas exchange in the alveoli because it is required to: -
Answer✔Displace water.
Autonomic innervation is the primary determinant of smooth muscle activity in the airway.
Irritant receptors in the proximal airway are an example of: - Answer✔Vagal afferents.
The NANC fibers serve primarily to: - Answer✔Provide reciprocity to cholinergic excitation.
The __________________ are very sensitive to alveolar partial pressure of oxygen (pO2). -
Answer✔Pulmonary arteries.
Elastic recoil is determined by: - Answer✔Tissue elasticity and force needed to change alveolar
air-liquid interface.
Pulmonary emboli and pulmonary vascular disease are common causes of: - Answer✔Alveolar
dead space.
Which of the following is most sensitive to high CO2 and drives respiration? - Answer✔Central
chemoreceptors.
Hyperacute protective mechanisms that characterize an asthma attack include all of the
following:
Endothelial leakage.
1|Page
, ©THESTAR 2024/2025 ALL RIGHTS RESERVED 1:27PM. A+
Local edema.
Mucus hypersecretion.
Vasoconstriction. - Answer✔Vasoconstriction.
The primary inflammatory mediators that characterize an asthma attack include:
Eosinophils.
Thromboxane.
Prostaglandins.
Cyclooxygenase. - Answer✔Eosinophils
Which of the following obstructive pulmonary diseases is characterized by hypertrophy of the
large airway mucus glands?
Chronic bronchitis.
Emphysema.
Asthma.
Cystic fibrosis. - Answer✔Chronic bronchitis.
Acute-acting mediators released during an asthma attack include all of the following except:
Procalcitonin.
Leukotrienes.
Prostaglandins.
Histamine. - Answer✔Procalcitonin.
The characteristics of chronic bronchitis include all of the following except:
A result of chronic airway injury and narrowing.
Involves inflammation of the small airways.
Characterized by limited mucus production.
2|Page
NURS 681 Final Exam Questions And Answers
|Latest 2025 | Guaranteed Pass.
Which of the following is not true with respect to conducting airways? - Answer✔Secretory
glands increase as airway divides.
The section of the airway that offers the least resistance to airflow is the: - Answer✔Terminal
respiratory unit.
Surfactant is necessary for gas exchange in the alveoli because it is required to: -
Answer✔Displace water.
Autonomic innervation is the primary determinant of smooth muscle activity in the airway.
Irritant receptors in the proximal airway are an example of: - Answer✔Vagal afferents.
The NANC fibers serve primarily to: - Answer✔Provide reciprocity to cholinergic excitation.
The __________________ are very sensitive to alveolar partial pressure of oxygen (pO2). -
Answer✔Pulmonary arteries.
Elastic recoil is determined by: - Answer✔Tissue elasticity and force needed to change alveolar
air-liquid interface.
Pulmonary emboli and pulmonary vascular disease are common causes of: - Answer✔Alveolar
dead space.
Which of the following is most sensitive to high CO2 and drives respiration? - Answer✔Central
chemoreceptors.
Hyperacute protective mechanisms that characterize an asthma attack include all of the
following:
Endothelial leakage.
1|Page
, ©THESTAR 2024/2025 ALL RIGHTS RESERVED 1:27PM. A+
Local edema.
Mucus hypersecretion.
Vasoconstriction. - Answer✔Vasoconstriction.
The primary inflammatory mediators that characterize an asthma attack include:
Eosinophils.
Thromboxane.
Prostaglandins.
Cyclooxygenase. - Answer✔Eosinophils
Which of the following obstructive pulmonary diseases is characterized by hypertrophy of the
large airway mucus glands?
Chronic bronchitis.
Emphysema.
Asthma.
Cystic fibrosis. - Answer✔Chronic bronchitis.
Acute-acting mediators released during an asthma attack include all of the following except:
Procalcitonin.
Leukotrienes.
Prostaglandins.
Histamine. - Answer✔Procalcitonin.
The characteristics of chronic bronchitis include all of the following except:
A result of chronic airway injury and narrowing.
Involves inflammation of the small airways.
Characterized by limited mucus production.
2|Page
