Respiratory
Which of the following represents a correct sequence of air passages in the bronchial tree?
Secondary bronchi -> Tertiary bronchi -> Bronchioles
Which division of the pharynx is located behind the mouth, extending from the soft palate to the hyoid bone, and contains tonsils?
Oropharynx
What are the three main components of the lower respiratory tract as described in the notes?
Trachea, Bronchial Tree, and Lungs.
What are the microscopic air sacs where gas exchange with blood occurs?
Alveolar sacs.
Name two functions of the respiratory system that involve modifying the air before it reaches the lungs.
Filters, warms, and humidifies air.
What is the name of the structure that separates the right and left nostrils and is prone to nosebleeds due to a rich blood supply?
Septum.
Expiration is primarily achieved through the relaxation of which two muscle groups?
Diaphragm and intercostal muscles
An increase in breathing to meet an increased demand for oxygen by the body is known as:
Hyperpnea
What is the definition of "apnea"?
Temporary cessation of breathing.
During inspiration, what happens to the pressure inside the lungs compared to the atmospheric pressure?
It becomes lower
What is the physiological process called when the pharynx changes shape to produce vowel sounds?
Phonation.
What is a key principle utilized in the Heimlich Maneuver?
Expelling air from the lungs
During inspiration, what physical change occurs in the diaphragm and intercostal muscles?
They contract.
The trachea is characterized by C-shaped rings made of what material?
Cartilage.
The structure commonly referred to as the "voice box" is the:
Larynx
Which structure is considered part of the upper respiratory tract?
Pharynx
What is the term for the inflammation of the pleural lining surrounding the lungs?
Pleurisy.
The palantine bone separates the nasal cavity from which other structure?
The mouth
The "Adam's apple" is formed by which specific cartilage in the larynx?
Thyroid cartilage.
What term describes a condition where the palantine bone does not form correctly, causing difficulty in swallowing and speaking?
Cleft palate.
What is a primary function of the four air-containing spaces known as sinuses?
Lower skull weight
What term describes normal, quiet breathing, characterized by 12-20 breaths per minute?
Eupnea.
What is the critical function of the epiglottis during the act of swallowing food?
Closes off the trachea
Which of the following is NOT a primary function of the respiratory system?
Regulates blood sugar
What is the medical term for cutting an opening into the trachea to facilitate breathing?
Tracheostomy
The inflammation of the pleural lining surrounding the lungs is medically known as:
Pleurisy condition
What change occurs in the size of the thoracic cavity during expiration?
It experiences a decrease in size
What is the medical procedure that involves creating an opening in the trachea to facilitate breathing?
Tracheostomy
The lungs extend from the diaphragm superiorly to which specific bony landmarks?
The clavicles
The pharynx is commonly known as what part of the body?
The throat
Which two primary muscle groups contract to facilitate inspiration?
The diaphragm and the intercostal muscles
The structure that separates the right and left nostrils is called the:
Septum
Which of the following structures is considered part of the lower respiratory tract?
The tracheal passageway
After branching from tertiary bronchi, bronchioles further divide into what microscopic structures?
Microscopic alveolar ducts
Name the flap of skin that moves to close off the trachea during the act of swallowing food.
Epiglottis
What is the physiological term for the process of breathing?
Pulmonary ventilation
Define eupnea, based on its characteristics.
Normal quiet breathing, typically occurring at 12-20 breaths per minute.
List three functions of the respiratory system.
Air distribution, gas exchange, and filtering, warming, and humidifying air.
What is the main objective of performing the Heimlich Maneuver?
To open a windpipe that has become suddenly obstructed.
What term describes an increase in the rate and depth of breathing to meet an elevated demand for oxygen?
Increased hyperpnea
During the process of inspiration, which statement accurately describes the pressure relationship?
Atmospheric pressure is notably greater
A condition where the Palantine bone does not form correctly, causing difficulty in swallowing and speaking, is known as:
A cleft palate
What is the function of the Palantine bone in the nasal cavity?
It separates the nasal cavity from the mouth.
The ability of the pharynx to change shape to allow for vowel sounds is called:
Phonation
In which specific structures within the lungs does gas exchange with the blood occur?
Alveolar sacs
The larynx is often referred to as the:
Primary voice box
Which division of the pharynx extends behind the mouth, from the soft palate to the hyoid bone?
The oropharynx region
What is the common name for the thyroid cartilage, which is typically larger in males?
Adam's apple
A primary function of the nose in the respiratory system is to:
Warm and moisten incoming air
The trachea (windpipe) is characterized by its composition of:
Smooth muscle and C-shaped cartilage rings