BIOD 151 EXAM SCRIPT VERIFIED
QUESTIONS AND SOLUTIONS COMPLETE
REVIEW MATERIAL
●● Hilum
Answer: the "root" of the lung
●● healthy lung tissue is what color
Answer: peachy/pink color
●● pleurae
Answer: membranes that surround the lungs and the cavity around the
lungs
●● visceral pleura
Answer: layer of pleura that faces/covers the lung
●● parietal pleura
Answer: outer layer of pleura lying closer to the ribs and chest wall that
covers the surface around the lungs
●● pleural space/cavity
,Answer: Space between the visceral and parietal pleural membranes
(small)
typically empty but has a small amount of fluid that allows for
frictionless breathing
when diseased, this space can fill with air or fluid
●● what is the function of the pleurae
Answer: the pleurae help reduce friction and help with inflation and
inhalation
compartmentalize, protect, and lubricate the lungs
●● the three main functions of the respiratory system
Answer: 1) air conduction
2) air filtration
3) exchange of gases aka respiration
●● other things respiratory system has roles in
Answer: vocalization, sense of smell. body's pH regulation
●● structures in the respiratory system
Answer: nasal cavity, pharynx, larynx, trachea, bronchi, lungs
●● what happens to air as it goes from outside the body to the lungs
, Answer: air is filtered so it has no debris
air is warmed to body temp
air is humidified and becomes saturated with water
●● nasal cavities aka fossae are composed of what
Answer: none and cartilage
●● nasal septum
Answer: a wall of cartilage that divides the nose into two equal sections
of left and right fossae
●● vestibule
Answer: most external part of nasal cavity just inside the nostrils
●● vestibule lining
Answer: skin continuation from the face and vissibrae
●● Vibrissae
Answer: short thick hairs that help filter for the respiratory tract aka nose
hairs
●● nasal conchae or folds
QUESTIONS AND SOLUTIONS COMPLETE
REVIEW MATERIAL
●● Hilum
Answer: the "root" of the lung
●● healthy lung tissue is what color
Answer: peachy/pink color
●● pleurae
Answer: membranes that surround the lungs and the cavity around the
lungs
●● visceral pleura
Answer: layer of pleura that faces/covers the lung
●● parietal pleura
Answer: outer layer of pleura lying closer to the ribs and chest wall that
covers the surface around the lungs
●● pleural space/cavity
,Answer: Space between the visceral and parietal pleural membranes
(small)
typically empty but has a small amount of fluid that allows for
frictionless breathing
when diseased, this space can fill with air or fluid
●● what is the function of the pleurae
Answer: the pleurae help reduce friction and help with inflation and
inhalation
compartmentalize, protect, and lubricate the lungs
●● the three main functions of the respiratory system
Answer: 1) air conduction
2) air filtration
3) exchange of gases aka respiration
●● other things respiratory system has roles in
Answer: vocalization, sense of smell. body's pH regulation
●● structures in the respiratory system
Answer: nasal cavity, pharynx, larynx, trachea, bronchi, lungs
●● what happens to air as it goes from outside the body to the lungs
, Answer: air is filtered so it has no debris
air is warmed to body temp
air is humidified and becomes saturated with water
●● nasal cavities aka fossae are composed of what
Answer: none and cartilage
●● nasal septum
Answer: a wall of cartilage that divides the nose into two equal sections
of left and right fossae
●● vestibule
Answer: most external part of nasal cavity just inside the nostrils
●● vestibule lining
Answer: skin continuation from the face and vissibrae
●● Vibrissae
Answer: short thick hairs that help filter for the respiratory tract aka nose
hairs
●● nasal conchae or folds
