Lesson 1, Topic 1
In Progress


April 11, 2024

accessory muscles    Muscles in the neck, abdomen, and back that assist in breathing.
analgesic    (an ahl JEE zik) A drug that reduces or eliminates pain.
antipyretic    (an tee pie RET ik) A drug that is used to reduce a fever.
aspirating    The process of removing fluids or gases from the body using a suction device. Inhaling liquid (e.g., blood and vomitus) or a foreign object into the respiratory tract.
bronchodilator    A drug that relaxes smooth muscle contractions in the bronchioles to improve lung ventilation.
clubbing    Abnormal enlargement of the distal phalanges (fingers and toes) associated with chronic tissue hypoxia due to cyanotic heart disease or advanced chronic pulmonary disease.
corticosteroids    (kor ti koe STER oids) A group of steroid hormones produced in the body or given as a medication. Some have metabolic functions, and others reduce tissue inflammation. Glucocorticoids and mineralocorticoids are two types.
decongestant    A drug that is used for nasal congestion.
diaphragm    (DIE uh fram) A broad, dome-shaped muscle used for breathing. It separates the thoracic and abdominopelvic cavities.
expectorate    To cough up and spit out mucus from the lower respiratory tract.
expiration    Exhaling; movement of waste gases from the alveoli into the atmosphere.
inspiration    Inhaling; movement of oxygen from the atmosphere into the alveoli.
intercostal muscles    (in tur KOS tul) Muscles located between the ribs that help with quiet respiration.
mediastinum    The space in the thoracic cavity that lies between the lungs, containing the heart, trachea, and esophagus.
paranasal sinuses    (pair uh NAY zul SIE nus suhs) Hollow, air-filled cavities in the skull and facial bones. They lighten the weight of the skull and increase the tone, or resonance, of speech.
pharyngitis    Inflammation or infection of the pharynx, usually causing the symptoms of a sore throat.
productive cough    A cough that produces phlegm or mucus.
pulmonary hypertension    High blood pressure that affects the pulmonary system (pulmonary arteries and the right side of the heart).
respiratory arrest    Stoppage of breathing.
sputum    Mucous secretion coughed up from the lungs and expectorated through the mouth.
surfactant    (sur FACK tunt) A mixture of protein and fats that lines the alveoli and prevents the tissues from sticking together and collapsing during exhalation.
thoracentesis    (thor ah sen TEE sis) Aspiration of a fluid from the pleural cavity.