solutions.
BIO 169 Exam 3 with 280 complete
solutions.
Volume of air in one quiet breath - ANSWER tidal volume
warms, humidifies, cleanses air; detects odor, voice amplification - ANSWER the nose
little horn looking cartilage in the larynx - ANSWER corniculate cartilage
the sum of the anatomical and pathological dead space - ANSWER physiological dead space
______ and _______ insures air contacts mucus membranes - ANSWER narrowness and turbulance
this rotates the corniculate and arytenoid cartilages, changes the pitch of sound - ANSWER deep intrinsic
muscles (infrahyoid group)
the amount of air left in the lungs after normal tidal expiration - ANSWER functional residual capactiy
decreases friction, creates pressure gradient, prevents the spread of infection - ANSWER the pluerae
pressure and volume are __________ proportional - ANSWER inversely
most common type of lung cancer - ANSWER squamous cell carncinoma
located at the end of the conducting division of the respiratory system - ANSWER terminal bronchi
the _______ of lungs passively pushes air - ANSWER elasticity
,BIO 169 Exam 3 with 280 complete
solutions.
causes cyanosis and tissue necrosis - ANSWER hypoxia
air in the conducting division of airway (no gas exchange occurring) - ANSWER anatomical dead space
spans the opening of c-shaped cartilagenous rings and adjusts air flow by expanding and contracting -
ANSWER the Trachealis
Device which measures ventilation - ANSWER spirometer
Respiratory alkalosis causes _________ to which the body's response is ___________ (slow the
breathing down)
*speed of respiration changes pH - ANSWER hypocapnia and hypoventilation
to sweep debris laden mucus into the pharynx - ANSWER the mucociliary escalator
90% of CO2 transported in the blood as - ANSWER carbonic acid
caused by drowning, aspiration, degenerative lung disease, carbon monoxide poisoning - ANSWER
hypoxemic hypoxia
Tidal volume x respiratory rate - ANSWER minute volume
organs of the respiratory system - ANSWER nose, pharynx, larynx, trachea, bronchi, lungs
vestibule - ANSWER a dilated chamber inside ala nasi
-chamber with stratified squamous epithelium and guard hairs known as vibrissae
,BIO 169 Exam 3 with 280 complete
solutions.
what divides nasal cavity into left and right chambers called fossae - ANSWER nasal septum
the nasal conchae (superior, inferior, middle) - ANSWER -folds of tissue on lateral wall of nasal fossa
-mucous membranes supported by spiral bones
Meatuses - ANSWER -narrow passages for air beneath conchae
Olfactory mucosa - ANSWER lines roof of nasal fossa (cavity)
Respiratory mucosa - ANSWER -lines rest of the nasal cavity with ciliated pseudostratified epithelium
Defensive role of mucosa - ANSWER -mucus from goblet cells traps inhaled particles
-destroys bacteria using lysozyme
The function of the cilia in the respiratory epithelium - ANSWER sweep debris laden mucus into pharynx
to be swallowed
erectile tissue of inferior concha - ANSWER -venous plexus that rhythmically fills with blood
-shifts airflow from one side of fossa to other 1-2 times per hour
-prevents drying
Spontaneous epistaxis - ANSWER -nosebleed
-most commonly inferior concha
Nasopharynx - ANSWER -pseudostratified epithelium
-dorsal to soft palate
-pharyngeal tonsil and auditory tubes
, BIO 169 Exam 3 with 280 complete
solutions.
Oropharynx - ANSWER -stratified squamous epithelium
-b/w soft palate and roof of tongue
-inferior as far as hyoid
-palatine and lingual tonsils
Laryngopharynx - ANSWER -stratified squamous epithelium
-hyoid to cricoid cartilage
Larynx - ANSWER -voicebox
Glottis - ANSWER -long opening between the vocal cords at upper part of windpipe
Epiglottis - ANSWER -flap of tissue that guards glottis
-directs food and drink to esophagus
Infant Larynx - ANSWER -higher in throat, continuous airway from nasal cavity
-allows breathing while swallowing
-age two, more muscular tongue, larynx forced downward
Epiglottic cartilage - ANSWER most superior cartilage
thyroid cartilage - ANSWER -largest cartilage
-laryngeal prominence
Cricoid cartilage - ANSWER -connects larynx to trachea
Arytenoid cartilages (2) - ANSWER posterior to thyroid cartilage