NURS 432 Ch. 29 Review Questions and Correct Answers
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Course
NUR 432
Institution
NUR 432
Carbon Dioxide (CO2) The waste gas created in the tissues that moves from the blood into the alveoli so that it can be exhaled
Purposes of breathing * Provides O2 for tissue perfusion so that cells have enough O2 to take part in metabolism
* Removes CO2, the major waste product of metabolism
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NURS 432 Ch. 29 Review Questions and
Correct Answers
Carbon Dioxide (CO2) ✅The waste gas created in the tissues that moves from the
blood into the alveoli so that it can be exhaled
Purposes of breathing ✅* Provides O2 for tissue perfusion so that cells have enough
O2 to take part in metabolism
* Removes CO2, the major waste product of metabolism
Upper Airways ✅Nose
Sinuses
Pharynx
Larynx
Turbinates ✅3 bony projects that protrude into the nasal cavities from the walls of the
interior portion of the nose; They increase the total surface are for filtering, heating, &
humidifying inspired air
Nasopharynx ✅Contains the adenoids & the opening of the eustachian tube
Oropharynx ✅Contains the palatine tonsils
Laryngopharynx ✅Extends from base of tongue to esophagus; it is the critical dividing
point where solid food & fluids are separated from air
Larynx ✅the "voice box"; located above the trachea
Cricothyroid membrane ✅The site used in an emergency for access to the lower
airways (aka a tracheostomy)
When a foreign object is aspirated from the throat, where does it usually enter? ✅The
right bronchus
Lobar bronchi ✅*Cartilage is ring-shaped and RESISTS collapse
*Lined with a ciliated, mucus-secreting membrane
, Bronchioles ✅Have no cartilage and depend entirely on the elastic recoil of the lung to
remain patent
Alveoli ✅The basic units of gas exchange
Surfactant ✅A fatty protein that reduces surface tension in the alveoli; without it,
atelectasis occurs
Right Lung ✅*Responsible for about 60-65% of respiratory function
*Any problem with this lung inteferes with oxygenation to a greater degree than a
problem in the other lung
Formula for calculation of "pack years" ✅# of packs smoked per day X # of yrs. pt. has
smoked
A cough can be a side of effect of this group of prescribed drugs ✅ACE inhibitors
Histoplasmosis and Coccidioidomycosis ✅Fungal diseases
What is a main sign of lung disease? ✅Cough
Normal amount of sputum production per day ✅3 ounces (90mL)
Hemoptysis ✅Blood in the sputum; Most often seen in patients with chronic bronchitis
or lung cancer
Paroxysmal nocturnal dyspnea ✅Intermittent dyspnea sleep; The pt. has a sudden
onset of breathing difficulty severe enough to awaken them from sleep; Often occurs
with chronic lung disease & left-sided heart failure
Orthopnea ✅Shortness of breath that occurs when lying down but is relieved by sitting
up; Often occurs with chronic lung disease & left-sided heart failure
Appearance of nasal mucous membrane in patient with Allergic Rhinitis ✅Pale,
engorged, and bluish gray
Septal deviation ✅Some degree of it is common in most adults & appears as an S
shape, tilting toward 1 side or the other
Perforated Septum ✅A condition commonly found in cocaine users; It is present if a
light shines through the perforation into the opposite nostril upon assessment
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