NIU bio 357 Exam 4
Respiratory portion of the respiratory system include: - answer-smaller delicate
bronchioles
-alveoli
In the _______________ there is a respiratory epithelium that
consists of mucus secreting goblet cells, psuedostratified ciliated columnar and
cartilaginous. Which all support are airway. - answer conducting areas
Conducting portion of the respiratory system include: - answerNose
nasal cavity
pharynx
larynx
trachea
large and small bronchi
When you ___________, air is moved across vast surface area. This warm and moisten
air, filters and removes particles - answerinhale
What is the difference between the bronchioles and alveoli and the rest of the tract? -
answerGas exchange with the blood happens ONLY in the alveoli.
Where does the actual gas exchange take place? - answerAlveoli
What is asthma? - answera respiratory condition marked by spasms in the bronchi of
the lungs, causing difficulty in breathing. It usually results from an allergic reaction or
Dangerous bronchoconstriction
6. What effect does parasympathetic nervous system have on the bronchioles?
sympathetic? - answer
7. What is the function of the type I alveolar cell/pneumocyte? - answersimple
squamous epithelium, found on 90% of the alveolar surface
What is the function of the type II alveolar cell/pneumocyte? - answercube shaped
secretory cells that produce surfactant
(like detergent), 10%
Why are surfactant important in the alveoli ? - answerSurfactant decreases surface
tension so that the
walls of the alveoli don't stick to each other
Respiratory portion of the respiratory system include: - answer-smaller delicate
bronchioles
-alveoli
In the _______________ there is a respiratory epithelium that
consists of mucus secreting goblet cells, psuedostratified ciliated columnar and
cartilaginous. Which all support are airway. - answer conducting areas
Conducting portion of the respiratory system include: - answerNose
nasal cavity
pharynx
larynx
trachea
large and small bronchi
When you ___________, air is moved across vast surface area. This warm and moisten
air, filters and removes particles - answerinhale
What is the difference between the bronchioles and alveoli and the rest of the tract? -
answerGas exchange with the blood happens ONLY in the alveoli.
Where does the actual gas exchange take place? - answerAlveoli
What is asthma? - answera respiratory condition marked by spasms in the bronchi of
the lungs, causing difficulty in breathing. It usually results from an allergic reaction or
Dangerous bronchoconstriction
6. What effect does parasympathetic nervous system have on the bronchioles?
sympathetic? - answer
7. What is the function of the type I alveolar cell/pneumocyte? - answersimple
squamous epithelium, found on 90% of the alveolar surface
What is the function of the type II alveolar cell/pneumocyte? - answercube shaped
secretory cells that produce surfactant
(like detergent), 10%
Why are surfactant important in the alveoli ? - answerSurfactant decreases surface
tension so that the
walls of the alveoli don't stick to each other
