Surgical Nursing 14th Edition | 9781496355140 | All Chapters
with Answers and Rationals
The two centers in the brain that are responsible for the neurologic control of ventilation are? -
ANSWER: A pneumatic center (lower pons)
Pneumotaxic center
(Upper pons)
The alveoli begin to lose elasticity at about age____
Years, resulting in decreased gas diffusion. - ANSWER: 50
The lungs are enclosed in a serous membrane called the? - ANSWER: Pleura
The left lung, in contrast to the right lung has? - ANSWER: One less lobe
The division of the lung proceed in the following order, beginning at the mainstem bronchi: -
ANSWER: Lobar bronchi
Segmented bronchi
Subsegmented bronchi
Bronchioles
What are the alveolar cells that secrete surfactant? - ANSWER: Type II cells
Gas exchange between the lungs and blood and between the blood and tissues is called? - ANSWER:
Respiration
The maximum volume of air that can be inhaled after a normal inhalation is known as? - ANSWER:
Expiratory reserve volume
Tidal volume, which may not significantly change with disease, has a normal value of approximately
____mL? - ANSWER: 1000
The exchange of oxygen and carbon dioxide from the alveoli into the blood occurs by? - ANSWER:
Diffusion
The pulmonary circulation is considered a___________,___________ - ANSWER: High-pressure,
high resistance system
The symbol used to identify the partial pressure of oxygen is? - ANSWER: Pa02
Distinguish between the terms ventilation and respiration. - ANSWER: Ventilation refers to the
movement of air in and out of airways.
Respiration refers to gas exchange between atmospheric air and blood and between blood and the
cells of the body
Describe the function of the epiglottis. - ANSWER: The epiglottis is a flap of cartilage that covers the
opening of the larynx during swallowing.
List four conditions that cause low compliance or distensibility of the lungs. - ANSWER: Low or
decreased compliance occurs with certain pathology. Answer should include four of the following:
morbid obesity, atelectasis, pneumothorax, Hemothorax, pulmonary fibrosis or edema, pleural
effusion, ARDS.