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The large shield-shaped thyroid cartilage that protrudes anteriorly is commonly called the:
The mucosa-lined windpipe that extends from the larynx to the level of the fifth thoracic vertebra
(T/F)The function of the C-rings of hyaline cartilage in the trachea is to keep the airway patent or open for breathing
(T/F)Each main (primary) bronchus enters the lung at the apex
False; enters lung at hilum (depression on medial side of lung).
The mucosa-lined windpipe that extends from the larynx to the level of the fifth thoracic vertebra is called the
(T/F)There are only three paranasal sinuses located in the frontal, sphenoid, and parietal bones
False; paranasal sinuses are located in frontal, sphenoid, ethmoid, and maxillary bones.
(T/F)Inspiration results when the diaphragm and external intercostal muscles relax
False; inspiration is when the diaphragm and external intercostal muscles contract; the above is expiration
The three mucosa-covered projections into the nasal cavity that greatly increase surface area of mucosa exposed to air are called
(T/F)Expiration occurs when the thoracic and intrapulmonary volumes decrease and the intrapulmonary pressure increases
(T/F)Bronchial sounds are produced as air fills the alveoli of the lungs
False; bronchial sounds are produced by air rushing through the large respiratory passageways; the description above is called vesicular breathing sounds
The homeostatic imbalance associated with the death of many full0term newborn infants is called
SIDS (sudden infant death syndrome)
Wwhich of these age-related disorders is related to loss of elasticity of the lungs and hypoxia:
Which one of the following is NOT true of lung cancer:
It is generally more prevalent in males than females
(T/F)The nasal cavity is separated from the oral cavity by the nasal conchae
False; the cavities are separated by the hard (maxilla) and soft (muscle tissue) palate
(T/F)The "guardian of the airways" that prevents food from entering the superior opening of the larynx is the thyroid cartilage
False; the epiglottis guards the airways; it is made of hyaline cartilage
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