WorksheetsQuiz on the Respiratory System
Total questions: 69
Worksheet time: 35mins
What are the two main parts of the respiratory system classified structurally?
Nasal and oral cavity
Conducting and respiratory zone
Upper and lower respiratory system
Alveoli and bronchi
Which law states that the volume of a gas varies inversely with its pressure?
Charles's Law
Boyle's Law
Henry's Law
Dalton's Law
What is the primary function of the pharynx?
Oxygen transport
Passageway for air and food
Gas exchange
Sound production
Which component of the respiratory system is responsible for sound production?
Bronchi
Alveoli
Larynx
Trachea
What percentage of oxygen is carried by hemoglobin in the blood?
70%
23%
98.5%
1.5%
What is the primary role of alveoli in the respiratory system?
Air passage
Gas exchange
Blood filtration
Sound production
Which factor does NOT affect the affinity of hemoglobin for oxygen?
Partial pressure of CO2
Age
pH
Temperature
What is the term for normal quiet breathing?
Hyperventilation
Dyspnea
Apnea
Eupnea
What happens during external respiration?
Oxygen diffuses from tissues to blood
CO2 diffuses from blood to alveoli
Oxygen diffuses from alveoli to blood
CO2 is produced in the lungs
Which part of the respiratory system is primarily involved in the exchange of gases?
Bronchi
Trachea
Larynx
Alveoli
What is the effect of exercise on the respiratory system?
Reduced oxygen diffusion
Lowered breathing rate
Decreased lung capacity
Increased pulmonary perfusion
What is the primary function of the medullary respiratory center?
Control of heart rate
Oxygen transport
Gas exchange
Regulation of breathing
Which of the following is NOT a region of the pharynx?
Nasopharynx
Oropharynx
Laryngopharynx
Bronchopharynx
What happens to the respiratory system as a person ages?
Improved ciliary action
Enhanced alveolar macrophage activity
Decreased blood O2 level
Increased vital capacity
What is the role of the inflation reflex?
Enhance gas exchange
Prevent excessive lung inflation
Regulate heart rate
Stimulate breathing
moving air IN and OUT of the lungs
External Respiration
pulmonary ventilation
Internal Respiration
Site of gas exchange?
bronchi
trachea
alveoli
larynx
What nerve innervates the diaphragm
sciatic nerve
brachial plexus
phrenic nerve
radial nerve
Difficulty breathing
Apnea
Eupnea
Dyspnea
Hypercapnia
major stimulus for breathing
oxygen
carbon dioxide
bluish looking skin due to poorly oxygenated blood
albinism
cyanosis
hypercapnia
dyspnea
Normal breathing
Apnea
Eupnea
Dyspnea
Hypercapnia
also known as the windpipe
larynx
pharynx
trachea
bronchi
consists of tubes and tissues within the lungs where gas exchange occurs
Conducting zone
Respiratory zone
whose functions is to filter, warm, and moisten air and cunduct it into the lungs
Conducting zone
Respiratory zone
other term for nostrils
nasal cavity
external nares
laryngopharynx
oropharynx
cavities in certain cranial and facial bones lined with mucous membranes that are continuous with the lining of the nasal cavity
pharynx
larynx
paranasal sinuses
laryngopharynx
divides the nasal cavity into right and left sides
bridge of the nose
nasal septum
nasal conchae
nasal divider
Three anatomical regions of pharynx
nasopharynx,oropharynx, laryngopharynx
nasal pharynx,oreopharynx, laryngopharynx
nasopharynx,orapharynx, laryngopharynx
nasoepharynx,oropharynx, laryngopharynx
Pair of tonsils at the root of the tongue
palatine tonsil
adenoid
lingual tonsil
has both respiratory and digestive functions, serving as a common passegeway for air, food, and drink
nasopharynx
oropharynx
laryngopharynx
both a respiratory and a digestive pathway and is lined by nonkeratinized stratified squamous epithelium
nasopharynx
oropharynx
laryngopharynx
a large, leaf-shaped piece of elastic cartilage that is covered with epithelium; moves down and forms a lid over glottis, when we eat
glottis
epiglottis
hypoglottis
a ring of hyaline cartilage that forms the inferior wall of the larynx; landmark for making an emergency airway (tracheotomy)
thyroid cartilage
cricoid cartilage
the point where trachea divides into right and left primary bronchi
bronchioles
carina
alveoli
a double-layered serous membrane that encloses each lung
pericardial
pleural
peritoneal
parietal
the superficial layer of the pleural membrane
visceral pleura
parietal pleura
What is the main function of the alveoli in the lungs?
Transport air to the bronchi
Facilitate gas exchange
Produce mucus
Regulate airflow
O2 leaves the bloodstream, oxygenated blood is converted into deoxygenated blood (happens in the tissues throughout the body)
Internal Respiration
External Respiration
the diffusion of O2 from air in the alveoli of the lungs to blood in pulmonary capillaries, and diffusion of CO2 in the opposite direction;
Conversion of deoxygenated blood coming from the right side of the heart into oxygenated blood that returns to the left side of the heart.
internal respiration
external respiration
The quantity of gas that will dissolve in a liquid is proportional to the partial pressure of the gas and its solubility
dalton's law
henry's law
boyle's law
the air remaining in the lungs after expiratory reserve volume is exhaled
transitional volume
inspiratory volume
residual volume
expiratory volume
the apparatus commonly used to measure the volume of air exchanged during breathing and the respiratory rate
stethoscope
peak flow meter
spirometer
a pattern of shallow chest breathing
costal breathing
diaphragmatic breathing
a pattern of deep abdominal breathing
costal breathing
diaphragmic breathing
the sum of inspiratory reserve volume, tidal volume, and expiratory reserve volume
functional capacity
vital capacity
residual capacity
What is the primary function of the diaphragm in respiration?
To filter air
To facilitate gas exchange
To assist in inhalation and exhalation
To produce sound
Which structure prevents food from entering the trachea during swallowing?
Epiglottis
Uvula
Pharynx
Larynx
What is the term for the volume of air that remains in the lungs after a forced exhalation?
Tidal volume
Residual volume
Vital capacity
Inspiratory reserve volume
Which of the following is not part of the respiratory system?
trachea
bronchi
esophagus
pharynx
Which structure is the initial entry way for air to enter the respiratory system?
nose
mouth
esophagus
lungs
What is the primary function of the larynx in the respiratory system?
Sound production
Gas exchange
Air filtration
Regulation of blood flow
Which structure is responsible for the exchange of gases in the lungs?
Bronchi
Alveoli
Trachea
Diaphragm
What is the role of surfactant in the lungs?
To increase surface tension
To decrease surface tension
To facilitate gas exchange
To filter out pathogens
What is the primary role of surfactant in the lungs?
Increase surface tension
Decrease surface tension
Facilitate gas exchange
Prevent lung infections
Which muscle is primarily responsible for inhalation?
Intercostal muscles
Diaphragm
Abdominal muscles
Scalene muscles
What is the term for the volume of air that can be forcibly exhaled after a normal exhalation?
Expiratory reserve volume
Tidal volume
Inspiratory reserve volume
Residual volume
What is the primary purpose of the respiratory system?
To circulate blood
To facilitate gas exchange
To digest food
To regulate body temperature
Which structure is responsible for the exchange of oxygen and carbon dioxide in the lungs?
Bronchi
Alveoli
Trachea
Diaphragm
What is the term for the process of breathing in?
Exhalation
Inhalation
Ventilation
Respiration
What is the primary role of the alveolar macrophages in the respiratory system?
Gas exchange
Pathogen defense
Air filtration
Oxygen transport
Which structure is responsible for producing sound during speech?
Trachea
Larynx
Pharynx
Bronchi
What is the primary gas exchanged in the alveoli?
Nitrogen
Oxygen
Carbon monoxide
Carbon dioxide
What is the primary muscle involved in the process of inhalation?
Intercostal muscles
Diaphragm
Abdominal muscles
Scalene muscles
Which part of the respiratory system is responsible for filtering, warming, and humidifying the air?
Trachea
Nasal cavity
Bronchi
Alveoli
What is the term for the maximum amount of air that can be exhaled after a maximum inhalation?
Vital capacity
Tidal volume
Inspiratory capacity
Functional residual capacity
What is the primary function of the larynx in the respiratory system?
Sound production
Gas exchange
Air filtration
Regulating blood flow
Which gas is primarily responsible for stimulating the respiratory center in the brain?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
What is the term for the process of breathing in?
Exhalation
Inhalation
Ventilation
Respiration
