NURS 681 FINAL EXAM 2025 PRACTICE QUESTIONS
100%ACCURATE WCU GRADED A+
Which of the following is not true with respect to conducting airways? -
(answer)Secretory glands increase as airway divides.
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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.
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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:
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Endothelial leakage.
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?