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)
Alveoli have very thin walls to allow for . . .
gas exchange
Alveoli are also called:
pulmonary parenchyma
Lungs are divided into:
right lung = 3 lobes
left lung = 2 lobes
The pleura is a . . .
double folded membrane
How many pleura are there?
two
The parietal pleura is . . .
outer layer
lines thoracic cavity
The visceral pleura is . . .
inner layer
covers the lungs
The top of the lung is called . . .
apex
The bottom of the lung is called . . .
base
The _________ is where bronchi, blood vessels, nerves, and lymphatics ____________________.
hilum
enter the lungs
The ________________ is a place in the thoracic cavity that is in the center and underneath the sternum.
mediastinum
This muscle lies below the lungs and is shaped like a parachute
diaphragm
______________ for evidence of abnormality by using hands and ______.
palpation
fingers
Listening for abnormal sounds with a stethoscope
auscultation
Percussion is . . .
Use of the fingertips to tap the body lightly but sharply to determine position, size, and consistency of an underlying structure and the presence of fluid or pus in a cavity.
Temporary cessation of breathing . . .
apnea
Collapse of part of a lung . . .
atelectasis
Cyanosis is blue-gray discoloration of the skin because
not enough oxygen in the blood
Difficulty breathing is
dyspnea
Another name for a nosebleed
epistaxis
Spitting up blood is
hemoptysis