TWO PAIRS OF VOCAL FOLDS ARE FOUND IN THE LARYNX. WHICH PAIR ARE THE TRUE VOCAL CORDS (SUPERIOR OF INFERIOR)?
INFERIOR VOCAL FOLDS (TRUE VOCAL FOLDS)
FORMS THE ADAMS APPLE
THYROID CARTILAGE
A "LID" FOR THE LARYNX
EPIGLOTTIS
SHAPED LIKE A SIGNET RING
CRICOID CARTILAGE
VOCAL CORD ATTACHMENT
ARYTENOID CARTILAGES
WHAT IS THE SIGNIFICANCE OF THE FACT THAT THE HUMAN TRACHEA IS REINFORCED WITH CARTILAGINOUS RINGS?
REINFORCE THE TRACHEA WALLS TO MAINTAIN ITS OPEN PASSAGEWAY REGUARDLESS OF THE PRESSURE CHANGES THAT OCCUR DURING BREATHING
OF THE FACT THAT THE RINGS ARE INCOMPLETE POSTERIORLY?
ALLOWS ESOPHAGUS TO EXPAND ANTERIORLY WHEN A LARGE FOOD BOLUS IS SWALLOWED
WHAT IS THE FUNCTION OF THE PLEURAL MEMBRANES?
PRODUCE LUBRICATING SEROUS FLUID THAT CAUSES THEM TO ADHERE CLOSELY TO ONE ANOTHER, HOLDING THE LUNGS TO THE THORACIC WALL AND ALLOWING THEM TO MOVE EASILY AGAINST ONE ANOTHER DURING THE MOVEMENTS OF BREATHING
NAME TWO FUNCTIONS OF THE NASAL CAVITY MUCOSA
IT WARMS, MOISTENS - AND - FILTERS THE AIR THAT PASSES THROUGH THE NASAL CAVITY
PRIMARY BRONCHI:
WHICH IS LONGER?
LEFT MAIN BRONCHUS
PRIMARY BRONCHI:
LARGER IN DIAMETER?
RIGHT MAIN BRONCHUS
PRIMARY BRONCHI:
MORE HORIZONTAL?
LEFT MAIN BRONCHUS
PRIMARY BRONCHI:
WHICH MORE COMMONLY TRAPS A FOREIGN OBJECT THAT HAS ENTERED THE RESPIRATORY PASSAGEWAYS?
RIGHT MAIN BRONCHUS
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TRACE A MOLECULE OF OXYGEN FROM THE NOSTRILS TO THE PULMONARY CAPILLARIES OF THE LUNGS
NOSTRILS -> NASAL CAVITY -> PHARYNX -> LARYNX -> TRACHEA -? PRIMARY BRONCHUS -> SECONDARY BRONCHI -> TERTIARY BRONCHI -> BRONCHIOLE -> RESPIRATORY BRONCHIOLE -> ALVEOLAR DUCT ->ALVEOLAR SAC -> ALVEOLAR/CAPILLARY WALLS -> PULMONARY BLOOD
CONNECTS THE LARYNX TO THE PRIMARY BRONCHI
TRACHEA
SITE OF TONSILS
PHARYNX
FOOD PASSAGEWAY POSTERIOR TO THE TRACHEA
ESOPHAGUS
COVERS THE GLOTTIS DURING SWALLOWING OF FOOD
EPIGLOTTIS
CONTAINS THE VOCAL CORDS
LARYNX
NERVE THAT ACTIVATES THE DIAPHRAGM DURING INSPIRATION
PHRENIC NERVE
PLEURAL LAYER LINING THE WALLS OF THE THORAX
PARIETAL PLEURA
SITE FROM WHICH OXYGEN ENTERS THE PULMONARY BLOOD
ALVEOLUS
CONNECTS THE MIDDLE EAR TO THE NASOPHARYNX
PHARYNGOTYMPANIC TUBE
OPENING BETWEEN THE VOCAL FOLDS
GLOTTIS
INCREASES AIR TURBULENCE IN THE NASAL CAVITY
CONCHAE
SEPARATES THE ORAL CAVITY FROM THE NASAL CAVITY
PALATE
WHAT PORTIONS OF THE RESPIRATORY SYSTEM ARE REFERRED TO AS ANATOMICAL DEAD SPACE? WHY?
ALL RESPIRATORY PASSAGEWAYS (CONDUCTING ZONE STRUCTURES), BESIDES RESPIRATORY ZONE STRUCTURES, FROM NASAL CAVITY TO TERMINAL BRONCHIOLES.
WHY = THEY HAVE NO EXCHANGE FUNCTION
DEFINE EXTERNAL RESPIRATION
THE GAS EXCHANGE BETWEEN THE BLOOD AND THE AIR-FILLED CHAMBERS OF THE LUNGS (OXYGEN LOADING/CARBON DIOXIDE UNLOADING)
DEFINE INTERNAL RESPIRATION
EXCHANGE OF GASES BETWEEN SYSTEMIC BLOOD AND TISSUE CELLS (OXYGEN UNLOADING AND CARBON DIOXIDE LOADING)
DEFINE CELLULAR RESPIRATION
BODY CELLS REQUIRE AN ABUNDANT AND CONTINUOUS SUPPLY OF OXYGEN. AS THE CELLS USE OXYGEN, THEY RELEASE CARBON DIOXIDE, A WASTE PRODUCT THAT THE BODY MUST GET RID OF. THESE OXYGEN USING CELLULAR PROCESSES ARE REFERRED TO CELLULAR RESPIRATION (CELLULAR METABOLISM)
SHEEP PLUCK:
DOES THE LUNG INFLATE PART BY PART OR AS A WHOLE, LIKE A BALLOON?
PART BY PART
SHEEP PLUCK:
WHAT HAPPENED WHEN THE PRESSURE WAS RELEASED
IT DEFLATES
WHAT TYPE OF TISSUE ENSURES THIS PHENOMENON?
ELASTIC CONNECTIVE TISSUE
SLIDES OF TRACHEA AND LUNG TISSUE:
WHAT STRUCTURAL CHARACTERISTICS OF THE ALVEOLI MAKE THEM AN IDEAL SITE FOR THE DIFFUSION OF GASES?
VERY THIN WALLS, LARGE SURFACE AREA
WHY DOES OXYGEN MOVE FROM THE ALVEOLI INTO THE PULMONARY CAPILLARY BLOOD?
OXYGEN DIFFUSES FROM THE ALVEOLI INTO THE BLOOD DUE TO HIGHER PO2 (PARTIAL PRESSURE OF OXYGEN) LEVELS IN THE ALVEOLI THAN IN THE BLOOD.