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Quiz 4 Respiratory
Q & A
25
Medical
Undergraduate 1
08/26/2024

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Cards

Term
The 3 mucosa-covered projections into the nasal cavity that greatly increase surface area of mucosa exposed to air are called _____
Definition
Conchae
Term
From Superior to inferior, the 3 regions of the pharynx are the _____
Definition
Nasopharynx, oropharynx, and Laryngopharynx
Term
Which tonsils sit at the base of the tongue?
Definition
Lingual
Term
What parts of the respiratory system routes air and food into their proper channels and plays a role in speech?
Definition
Larynx
Term
What structure protects the superior opening of the larynx?
Definition
Epiglottis
Term
Which part of the larynx produces sounds when air passes through?
Definition
Vocal folds (true vocal cords)
Term
When breathing in, air enter the larynx through an opening called the _______
Definition
Glottis
Term
Which tissue forms the C-shaped rings that reinforce the trachea?
Definition
Hyaline cartilage
Term
The serous membrane that surrounds each lung is created by a parietal and visceral ________
Definition
Pleura
Term
Which passageways branch off of the inferior end of the trachea?
Definition
Bronchi
Term
What are the smallest conducting zone passageways of the lungs?
Definition
Terminal bronchioles
Term
Which zone includes the respiratory bronchioles, alveolar ducts, alveolar sacs, and alveoli and is where gas exchange occurs?
Definition
Respiratory zone
Term
The process of moving air into and out of the lungs is commonly called breathing or ________
Definition
Pulmonary Ventilation
Term
Air flowing out of the lungs is known as _________
Definition
Expiration
Term
Which inspiratory muscles contract so we can inspire air?
Definition
Diaphragm; external intercostals
Term
<> Lung Collapse, or ________, can occur if the interpleural pressure equals atmospheric pressure when air enters the pleural space.
Definition
Atelectasis
Term
<> __________ volume is the air moved into and out of the lungs during normal quiet breathing and is approximately 500mL of air.
Definition
Tidal
Term
<> The total amount of exchangeable air is known as ________
Definition
Vital Capacity (VC)
Term
What non-respiratory air movement is intended to ventilate all alveoli?
Definition
Yawn
Term
<> During ______, Oxygen binds to hemoglobin to form Oxyhemoglobin.
Definition
External respiration
Term
What odorless, colorless gas binds preferentially with the same binding site of hemoglobin as oxygen?
Definition
Carbon monoxide
Term
The normal respiratory rate of 12-15 breaths per minute is known as ________
Definition
Eupnea
Term
What portions of the brain contain respiratory centers and set the breathing rate?
Definition
Medulla oblongata and Pons
Term
The most important stimulus for breathing in a healthy person is the body's need to rid itself of the blood gas called _________
Definition
Carbon dioxide
Term
What fatty molecule is made by alveolar cells to reduce surface tension and prevent alveolar collapse between breaths?
Definition
Surfactant
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