NUR195 Final Exam; Questions and Answers % Correct
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Course
NUR195
Institution
NUR195
NUR195 Final Exam; Questions and Answers %
Correct
The lungs are lined with Correct answer-visceral pleura
the thorax is lined with Correct answer-parietal pleura
pleurisy Correct answer-inflammation of the parietal pleura that produces sharp chest
pain with each breath
Accessory muscles Co...
NUR195 Final Exam; Questions and Answers %
Correct
The lungs are lined with Correct answer-visceral pleura
the thorax is lined with Correct answer-parietal pleura
pleurisy Correct answer-inflammation of the parietal pleura that produces sharp chest
pain with each breath
Accessory muscles Correct answer-The secondary muscles of respiration which show the
pts work of breathing. includes the neck muscles (sternocleidomastoids), the chest pectoralis
major muscles, and the abdominal muscles.
what keeps aveoli expanded? - Correct answer-surfactant - reduces surface tension and
prevents collapse
restricted breathing from COPD, asthma, diaphragm/abdonminal pain results in a decreased
Correct answer-tidal volume
ventilation Correct answer-movement of air in and out of the lungs (to alveoli)
diffusion Correct answer-Exchange of respiratory gases (CO2 and O2) in the alveoli and
capillary membranes
perfusion Correct answer-supply of oxygen to, and removal of wastes from, cells and
tissues by blood flow through capillaries
, NUR195 Final Exam; Questions and Answers %
Correct
Adequate gas exchange depends on Correct answer-adequate ventilation-perfusion ratio
nose to larynx respiratory defense mechanisms
-effected by Correct answer-upper respiratory membranes, nasal mucosa and cilia: filter,
warm and humidify air we breathe
tracheostomies bypass warmth and humidification--will need to provide
trachea to bronchioles respiratory defense mechanisms
-complicated by Correct answer-cilia in their upward motion provides mucociliary
clearance of foreign particles in the airway (aka MCC escalator)
smoking complicates this and leads to emphysema/high secretion of mucous
cough reflex - respiratory defense mechanism Correct answer-helps protect against
aspiration and helps to clear secretions
diminishes over time with age
coughing is not productive until secretions reach Correct answer-the larger airways
bronchioles - respiratory defense mechanism Correct answer-bronchioles constrict with
interaction to irritants
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