TESTED ANSWERS GRADED A+
⩥ Lower Airway.
Answer: Function is to exchange oxygen and carbon dioxide. Starts at
the larynx. Spans from the glottis to the pulmonary capillary membrane.
⩥ Turbinates.
Answer: Increase the surface area of the nasal mucosa, thereby
improving the processes of warming, filtering and humidification of
inhaled air.
⩥ Hyoid Bone.
Answer: Small, horseshoe shaped bone that attaches to the tongue.
⩥ Thyroid Cartilage.
Answer: Adams apple. Directly anterior to the glottic opening.
⩥ Cricoid Cartilage.
Answer: AKA Cricoid Ring, forms the lowest portion of the larynx, and
the first ring of the trachea.
⩥ Cricothyroid Membrane.
,Answer: Site for emergency surgical and nonsurgical access to the
airway. Between the thyroid and cricoid cartilage.
⩥ Vellecula.
Answer: Anatomic space or "pocket" located between the base of the
tongue and the epiglottis. Where the MAC blade goes.
⩥ Laryngospasm.
Answer: When the airway is stimulated (such as during aspiration of
foreign material or submersion incident), defensive reflexes cause a
spasmodic closure of the vocal cords, which seals off the airway.
⩥ Trachea.
Answer: AKA Windpipe, is the conduit for air entry into the lungs.
Approx 10-12 cm long, & consists of C-Shaped Cartilaginous rings.
Begins immediately below the cricoid cartilage. Divides into the right
and left mainstem bronchi at the level of the Carina.
⩥ Mediastinum.
Answer: The space between the lungs that contains, in addition to the
trachea, the heart, great vessels, and a portion of the esophagus. Main
thing to know- the heart is housed there.
⩥ Carina.
, Answer: Where the right and left mainstem bronchi branch off.
⩥ Goblet Cells.
Answer: Mucous producing cells, that are lined in the trachea and
bronchi. They trap small particles and other potential contaminants.
⩥ Beta-2 Adrenergic Receptors.
Answer: Stimulate bronchodilation.
⩥ # of Lobes in each Lung.
Answer: Right lung- 3, Left lung- 2.
⩥ Visceral pleura.
Answer: Thin, slippery, outer membrane covering the lungs.
⩥ Parietal Pluera.
Answer: Lines the inside of the thoracic cavity.
⩥ Bronchioles.
Answer: Made of smooth muscle & lined with beta-2 receptors, which
can dilate and constrict based on stimuli.