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TEAS -Science

Respiratory

QuestionAnswer
Tiny air sacs in the lungs where exchange of oxygen and carbon dioxide takes place. Alveoli
A lung disease characterized by inflamed, narrowed airways and difficulty breathing. Asthma
The main passageways directly attached to the lungs Bronchi
Small passages in the lungs that connect bronchi to alveoli Bronchioles
A generic disorder that affects the lungs and other organs, characterized by difficulty breathing, coughing up sputum, and lung infections. Cystic fibrosis
The passage of fluid to an organ or a tissue Perfusion
A membrane around the lungs and inside the chest cavity Pleura
A fluid secreted by alveoli and found in the lungs, prevents lung from collapsing (atelectasis) Surfactant
The amount of air breathed in a normal inhalation or exhalation Tidal volume
The windpipe, which connects the larynx to the lungs Trachea
The movement of air in and out of the body via inhalation and exhalation Ventilation
The "BLANK" mediates the uptake of oxygen for metabolism and the release of carbon dioxide (a waste product) into the atmosphere. respiratory system
The respiratory system is divided into the: Upper respiratory tract and the lower respiratory tract
The upper respiratory tract includes The nose, nasal cavity, paranasal sinuses, oral cavity, pharynx, glottis, and larynx.
The lower respiratory tract begins at the Trachea and extends into the lungs via of bronchus into bronchioles and ending at the alveoli, where gas exchange occur
The "BLANK" are the organs of respiration and are divided into"BLANK" lobes lungs; three lobes on the right and two lobes on the left.
Air continues to flow from the nasal and oral cavities into the "BLANK" a pathway beginning in the back of the throat and ending at the glottis Pharynx,
The "BLANK" is a shared passageway for both air and food and contains an opening for the digestive system, as well as the continuation of the respiratory system at the glottis. pharynx
A flap called the "BLANK"covers the opening of the glottis during swallowing to prevent food and liquids from entering the lungs epiglottis
The "BLANK" is the passageway for air through the vocal chords and leads to the larynx, commonly called the voice box. Glottis
Sound is produced in the "BLANK" when air from the lungs is forced against the vocal chords. larynx
Oxygen flow continues from the larynx into the "BLANK" which is the beginning of the lower respiratory tract. Trachea
The "BLANK" also known as the windpipe, consists of a rigid tube of cartilaginous rings and lies anterior to the esophagus. Trachea,
The trachea then splits into two main branches that enter the lungs, known as the Right and left primary bronchi.
The primary bronchi of each lung branch repeatedly into the smaller Secondary and even smaller tertiary bronchi.
The tertiary bronchi again branch into the microscopic tubes of the Bronchioles.
Bronchioles divide further until they terminate in the air sacs of the lungs known as The alveoli.
The walls of the alveoli are a, which allows for the simple diffusion of gases in and out. Single layer of epithelial tissue
Alveoli are surrounded by "BLANK" whose walls also consist of a single layer of epithelial cells. Capillaries,
Inhaled "BLANK" diffuses into the red blood cells in the surrounding capillaries and from there into the nearby tissues. Oxygen
"BLANK" diffuses out of the tissues into the red blood cells and then the Alveoli to be exhaled from the lungs. Carbon dioxide
The "BLANK" and "BLANK" in the brainstem monitor the levels of CO2 and pH in the blood. Medulla oblongata and Pons
Increasing levels of "BLANK" causes an increase in "BLANK" , which makes the blood more acidic. This stimulates inhalation. CO2, H+ ions
During "BLANK" , the muscular diaphragm below the rib cage and the intercostal muscles between the ribs contract simultaneously. inhalation
"BLANK" increases the volume of the thoracic cavity and in turn causes the lung volume to "BLANK" . Inhalation, increase
During inhalation the alveolar pressure inside of the lungs therefore "BLANK" , causing air to flow into the lungs down the pressure gradient from "BLANK" Decreases, high (outside lungs) to low (inside lungs).
"BLANK" occurs passively with the relaxation of the diaphragm and the intercostal muscles. Exhalation
The thoracic cavity "BLANK" in volume, causing a con "BLANK" in the lung volume. Decreases
Alveolar pressure "BLANK" , and the elastic recoil from the lungs and thoracic wall causes air to flow out of the lungs once again down the pressure gradient Increases
The amount of gas in the lungs after a maximum inspiration or deep breath. The total lung capacity (TLC)
The"BLANK" plus the "BLANK" is equal to the total lung capacity. vital capacity, residual volume
The amount of gas that can be exhaled after a maximum inspiration, as in exhaling after a deep breath is The vital capacity (VC)
The amount of gas remaining in the lungs after a maximum expiration is The residual volume (RV)
"BLANK" is a measure of the ease of expanding the lungs. Lung compliance
Lung compliance depends on two respiratory characteristics: The elasticity of the lung tissue and the alveolar surface tension.
"BLANK" causes destruction of elastic lung tissue, resulting in greater-than normal expansion of the lungs but poor recoil and increased residual volume. Emphysema
"BLANK" cause increased resistance to lung expansion, resulting in a low compliance. Asthma, bronchitis, and lung cancer
Created by: bonitasoul