Ch. 11 Respiratory System Study Guide/Abbreviations Flashcards
Upper respiratory tract includes . . .
nose, pharynx, larynx
Lower respiratory tract includes . . .
trachea, bronchi, lungs
The purpose of nose hairs is . . .
to help keep out foreign objects
Nostrils are called . . .
nares (naris)
The septum is . . .
the dividing wall
What lines the nose and sinuses?
mucous membranes
What is the function of mucous membranes?
to warm and filter air
Pale mucous membranes . . .
are called pallor
sign of anemia
Icterus (jaundice) . . .
yellow mucous membranes
sign of hyperbilirubinemia
Hair-like projections in the mucous membranes lining the respiratory tract are called:
cilia
The pharynx is divided into 3 parts:
nasopharynx
oropharynx
laryngopharynx
_________ is located in the nasopharynx.
adenoids
_________ is located in the oropharynx.
tonsils
What is the function of adenoids and tonsils?
Help filter out bacteria and foreign matter
__________ is a small flap of cartilage that covers the opening of the larynx.
epiglottis
Why does the epiglottis cover the opening of the pharynx?
To prevent food and liquids from going to the lungs.
Larynx or _______
voice box
What is contained in the larynx?
vocal cords
Trachea or ________
windpipe
The trachea is located . . .
lies in front of the esophagus
What does the trachea do?
Passageway for air to bronchi
The trachea has _____________ to provide rigidity.
cartilage rings
The bronchi are . . .
2 tubes branching from the trachea.
Bronchi turn into __________________ which terminate at the _________________.
bronchioles (smaller)
alveoli (air sacs)