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RS Review

Review of the Respiratory System

Main function of the respiratory system is to bring _____into the body and eliminate _____ from the body. O2 and CO2
5 Functions of the respiratory system Gas Exchange, Voice Production, Body Temperature Regulation, Acid - Base balance, Sense of Smell
The more CO2 in the blood, the more ____ the blood will be. Acidic
The part of the respiratory system commonly called the "voice box" is the: Larynx
What structure of the respiratory tract acts like a "trapdoor" to cover the Glottis so swallowed material doesn't go into the Larynx? Epiglottis
During physical activity, what happens to the Bronchi to allow more air to be moved back and forth with each breath? Bronchodilation
Tiny sacs in the lungs where gas exchange occurs: Alveoli
Membrane that covers the organs and structures of the Thoracic cavity: Visceral Pleura
Thin sheets of muscle that divides the Thoracic and Abdominal cavities is the: Diaphragm
Amount of air remaining in the lungs after expiration is the: Residual Volume
Condition where the space between the ends of the C-shaped tracheal rings is larger than normal results in: Tracheal Collapse
What causes asthma in animals Exposure to allergic irritants in the air
A protective reflex stimulated by irritation to the Trachea or Bronchi is a: Cough
If the CO2 of the blood increases, the Respiratory system will: Increase rate of respiration to remove excess CO2
Process of drawing air into the lungs is called: Inspiration
In the caudal part of the Pharynx, where is the respiratory tract located in comparison to the digestive tract? Ventrally located
Structure lying between the lungs that divides the Thoracic cavity into left and right halves. Mediastinum
What is placed into the trachea to provide an open airway for administration of inhalant anesthesia or for artificial ventilation? Endotracheal Tube
Three causes of aspiration pneumonia: Anesthesia - loss of swallow reflex, Ingesting liquid too quickly to swallow, Vomiting
Why are lower respiratory infections more serious than upper respiratory tract infections? Deeper tissues - Harder to cough up liquid built up in the alveoli - causes interference with O2 and CO2 exchange.
List the lobes of the left lung: Cranial and Caudal
List the lobes of the right lung: Cranial, Middle, Caudal and Accessory
Structure of Larynx responsible for sound production: Vocal Cords
Divides right and left nasal passages: Nasal Septum
External openings of the nose Nares
List the structures air flows into the respiratory tract in order: 1.Nasal Cavity 2.Pharynx 3.Larynx 4.Trachea 5.Bronchial Tree 6. Alveoli
Term for sense of smell: Olfaction
Mechanical Breathing Starts the normal rhythmic breathing pattern through stretch receptors in the lungs
Chemical Breathing Adjusted by chemical receptors when CO2, PH, or O2 content of the blood varies outside normal limits.
Term for voice production: Phonation
Scroll-like bones filling the nasal passages: Turbinates
Outpouchings of the nasal passages that are contained within the spaces of certain bones: Paranasal Sinuses
Where the trachea divides into two bronchi: Bifurcation of the Trachea
Area of thorax between the lungs that contains the trachea, esophagus, and blood vessels: Mediastinum
Bronchi divide into smaller: Bronchiole
Two Cartilages of the larynx to which the vocal cords attach: Arytenoid cartilages
A cluster of alveoli at the end of an alveolar duct. It is shaped like a bunch of grapes. Alveolar Sacs
Animal whose lungs are not divided into lobes: Horse
Small area on medial surface of each lung where Bronchi, blood vessels and nerves enter, only spot of the lung that is attached to the rest of the body: Hilus
Lines the Thoracic Cavity: Parietal Pleura
Covers the Thoracic organs and structures: Visceral Pleura
Process of pushing air out of the lungs: Expiration
Volume of air inhaled and exhaled during one breath: Tidal Volume
Instrument with battery-containing handle to which a long narrow blade with small light source near the end of it: Laryngoscope
Spasmodic contraction of the diaphragm accompanied by sudden closure of glottis: Hiccups
Created by: 320100273



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