Which of the following structures is not part of the upper respiratory tract
trachea
larynx
oropharynx
nose
Which sequence is the correct pathway for air movement through the nose and into the pharynx?
anterior nares, posterior nares, vestibule, nasal cavity meatuses
anterior nares, vestibule, posterior nares, nasal cavity meatuses
nasal cavity meatuses, anterior nares, vestibule, posterior nares
anterior nares, vestibule, nasal cavity meatuses, posterior nares
Which is not a paranasal sinus?
frontal
maxillary
mandibular
sphenoid
Failure of the palatine bones to unite is called cribriform palate
The pharynx is a tube like structure that opens only into the mouth and larynx
Enlarged pharyngeal tonsils are called adenoids
The more common name for the thyroid cartilage is the voice box
The epiglottis moves up and down during swallowing to prevent food or liquids from entering the trachea
Aspirated objects tend to lodge in the
right bronchus
left bronchus
the either right or left bronchus
none of the above
The fluid coating the alveoli that reduces surface tension is called
bronchus
surfactant
alveolus
Which of the following is not an area of the lungs?
oblique fissure
horizontal fissure
superior fissure
hilum
Which of the following is false?
When the diaphragm relaxes, it returns to a domelike shape
When the diaphragm contracts, it pulls the floor of the thoracic cavity downward
Changes in thorax size bring about inspiration and expiration
Raising the ribs decreases the depth and width of the thorax
The rings of cartilage that form the trachea are complete rings that prevent it from collapsing and shutting off the vital airway
The trachea divides into symmetrical primary bronchi
A tube is often placed in the trachea before a patient leaves the operating room, especially if he or she has had a muscle relaxant.
The left lung is divided into three lobes by horizontal and oblique fissures
The apex of each lung is lateral and inferior
The exchange of gases between air and blood occurs in the alveoli
The barrier across which gases are exchanged between alveolar air and blood is called the respiratory membrance
Prolonged exposure to cigarette smoke can paralyze respiratory cilia
The visceral pleura lines the entire thoracic cavity
