BIO 357 Exam 5 with precise detailed answers ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Conducting portion - correct answer✔✔Nose, nasal cavity, pharynx, larynx, trachea, large &
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
small bronchi. Has cartilage, and contains a respiratory epithelium that secretes goblet cells.
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Warms/moistens air. ||\\//||
Respiratory portion - correct answer✔✔Smaller delicate bronchioles and alveoli. No cartilage
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
or mucus cells. Exchanges gas. Simple squamous found.
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Bronchioles - correct answer✔✔Air flow regulator. Have smooth muscle in their walls
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Alveoli - correct answer✔✔Little cavity, and the primary site of gas exchange. Lined with
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
pneumocyte cells (simple squamous) ||\\//|| ||\\//|| ||\\//||
Where does the actual gas exchange take place? - correct answer✔✔Alveoli
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What part of the tract is involved in regulating airflow of the tract? - correct
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
answer✔✔bronchioles
What is asthma? - correct answer✔✔The bronchiole smooth muscle is contracting when it
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
shouldn't
What effect does parasympathetic nervous system have on the bronchioles? - correct
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
answer✔✔The stimulate causes bronchoconstriction. Bronchioles contracted less air into the ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
lungs
, What effect does sympathetic nervous system have on the bronchioles? - correct
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
answer✔✔The stimulation causes bronchodilation. Bronchioles dilated allow more air into ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
lungs
What is the function of the type I alveolar cell/pneumocyte? - correct answer✔✔Short
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
diffusional distance, gas exchange. Has simple squamous epithelium and is 90% of alveolar
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
surface
What is the function of the type II alveolar cell/pneumocyte? - correct answer✔✔Cube
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
shaped secretory cells which produce surfactant
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What is Boyle's Law and what does it have to do with the lungs? - correct answer✔✔If the
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
volume of a container holding gas change, the pressure pf the gas will change in an inverse
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
manner. Moves gas. ||\\//|| ||\\//||
What does the term "Bucket Handle Movement" refer to? - correct answer✔✔Refers to the
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
movement of the ribs and the thoracic cage that occurs as respiratory muscles contract and
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
thoracic volume changes ||\\//|| ||\\//||
What changes the size of the thoracic cavity? - correct answer✔✔Volume and pressure
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What happens when the diaphragm contracts? - correct answer✔✔It drops down, and pulls
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
ribcage up ||\\//||
What happens when the diaphragm relaxes? - correct answer✔✔Ribcage drops down, and
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
diaphragm moves up ||\\//|| ||\\//||
Why do the lungs remain inflated in the pleural cavity? - correct answer✔✔Pressure in the
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
pleural cavity is lower than pressure on the lungs, which keeps the lungs from collapsing
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Conducting portion - correct answer✔✔Nose, nasal cavity, pharynx, larynx, trachea, large &
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
small bronchi. Has cartilage, and contains a respiratory epithelium that secretes goblet cells.
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Warms/moistens air. ||\\//||
Respiratory portion - correct answer✔✔Smaller delicate bronchioles and alveoli. No cartilage
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
or mucus cells. Exchanges gas. Simple squamous found.
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Bronchioles - correct answer✔✔Air flow regulator. Have smooth muscle in their walls
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Alveoli - correct answer✔✔Little cavity, and the primary site of gas exchange. Lined with
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
pneumocyte cells (simple squamous) ||\\//|| ||\\//|| ||\\//||
Where does the actual gas exchange take place? - correct answer✔✔Alveoli
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What part of the tract is involved in regulating airflow of the tract? - correct
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
answer✔✔bronchioles
What is asthma? - correct answer✔✔The bronchiole smooth muscle is contracting when it
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
shouldn't
What effect does parasympathetic nervous system have on the bronchioles? - correct
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
answer✔✔The stimulate causes bronchoconstriction. Bronchioles contracted less air into the ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
lungs
, What effect does sympathetic nervous system have on the bronchioles? - correct
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
answer✔✔The stimulation causes bronchodilation. Bronchioles dilated allow more air into ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
lungs
What is the function of the type I alveolar cell/pneumocyte? - correct answer✔✔Short
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
diffusional distance, gas exchange. Has simple squamous epithelium and is 90% of alveolar
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
surface
What is the function of the type II alveolar cell/pneumocyte? - correct answer✔✔Cube
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
shaped secretory cells which produce surfactant
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What is Boyle's Law and what does it have to do with the lungs? - correct answer✔✔If the
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
volume of a container holding gas change, the pressure pf the gas will change in an inverse
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
manner. Moves gas. ||\\//|| ||\\//||
What does the term "Bucket Handle Movement" refer to? - correct answer✔✔Refers to the
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
movement of the ribs and the thoracic cage that occurs as respiratory muscles contract and
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
thoracic volume changes ||\\//|| ||\\//||
What changes the size of the thoracic cavity? - correct answer✔✔Volume and pressure
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What happens when the diaphragm contracts? - correct answer✔✔It drops down, and pulls
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
ribcage up ||\\//||
What happens when the diaphragm relaxes? - correct answer✔✔Ribcage drops down, and
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
diaphragm moves up ||\\//|| ||\\//||
Why do the lungs remain inflated in the pleural cavity? - correct answer✔✔Pressure in the
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
pleural cavity is lower than pressure on the lungs, which keeps the lungs from collapsing
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
