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Quiz on the Respiratory System

Total questions: 69

Worksheet time: 35mins

Name
Class
Date
1.

What are the two main parts of the respiratory system classified structurally?

a)

Nasal and oral cavity

b)

Conducting and respiratory zone

c)

Upper and lower respiratory system

d)

Alveoli and bronchi

2.

Which law states that the volume of a gas varies inversely with its pressure?

a)

Charles's Law

b)

Boyle's Law

c)

Henry's Law

d)

Dalton's Law

3.

What is the primary function of the pharynx?

a)

Oxygen transport

b)

Passageway for air and food

c)

Gas exchange

d)

Sound production

4.

Which component of the respiratory system is responsible for sound production?

a)

Bronchi

b)

Alveoli

c)

Larynx

d)

Trachea

5.

What percentage of oxygen is carried by hemoglobin in the blood?

a)

70%

b)

23%

c)

98.5%

d)

1.5%

6.

What is the primary role of alveoli in the respiratory system?

a)

Air passage

b)

Gas exchange

c)

Blood filtration

d)

Sound production

7.

Which factor does NOT affect the affinity of hemoglobin for oxygen?

a)

Partial pressure of CO2

b)

Age

c)

pH

d)

Temperature

8.

What is the term for normal quiet breathing?

a)

Hyperventilation

b)

Dyspnea

c)

Apnea

d)

Eupnea

9.

What happens during external respiration?

a)

Oxygen diffuses from tissues to blood

b)

CO2 diffuses from blood to alveoli

c)

Oxygen diffuses from alveoli to blood

d)

CO2 is produced in the lungs

10.

Which part of the respiratory system is primarily involved in the exchange of gases?

a)

Bronchi

b)

Trachea

c)

Larynx

d)

Alveoli

11.

What is the effect of exercise on the respiratory system?

a)

Reduced oxygen diffusion

b)

Lowered breathing rate

c)

Decreased lung capacity

d)

Increased pulmonary perfusion

12.

What is the primary function of the medullary respiratory center?

a)

Control of heart rate

b)

Oxygen transport

c)

Gas exchange

d)

Regulation of breathing

13.

Which of the following is NOT a region of the pharynx?

a)

Nasopharynx

b)

Oropharynx

c)

Laryngopharynx

d)

Bronchopharynx

14.

What happens to the respiratory system as a person ages?

a)

Improved ciliary action

b)

Enhanced alveolar macrophage activity

c)

Decreased blood O2 level

d)

Increased vital capacity

15.

What is the role of the inflation reflex?

a)

Enhance gas exchange

b)

Prevent excessive lung inflation

c)

Regulate heart rate

d)

Stimulate breathing

16.

moving air IN and OUT of the lungs

a)

External Respiration

b)

pulmonary ventilation

c)

Internal Respiration

17.

Site of gas exchange?

a)

bronchi

b)

trachea

c)

alveoli

d)

larynx

18.

What nerve innervates the diaphragm

a)

sciatic nerve

b)

brachial plexus

c)

phrenic nerve

d)

radial nerve

19.

Difficulty breathing

a)

Apnea

b)

Eupnea

c)

Dyspnea

d)

Hypercapnia

20.

major stimulus for breathing

a)

oxygen

b)

carbon dioxide

21.

bluish looking skin due to poorly oxygenated blood

a)

albinism

b)

cyanosis

c)

hypercapnia

d)

dyspnea

22.

Normal breathing

a)

Apnea

b)

Eupnea

c)

Dyspnea

d)

Hypercapnia

23.

also known as the windpipe

a)

larynx

b)

pharynx

c)

trachea

d)

bronchi

24.

consists of tubes and tissues within the lungs where gas exchange occurs

a)

Conducting zone

b)

Respiratory zone

25.

whose functions is to filter, warm, and moisten air and cunduct it into the lungs

a)

Conducting zone

b)

Respiratory zone

26.

other term for nostrils

a)

nasal cavity

b)

external nares

c)

laryngopharynx

d)

oropharynx

27.

cavities in certain cranial and facial bones lined with mucous membranes that are continuous with the lining of the nasal cavity


a)

pharynx

b)

larynx

c)

paranasal sinuses

d)

laryngopharynx

28.

divides the nasal cavity into right and left sides


a)

bridge of the nose

b)

nasal septum

c)

nasal conchae

d)

nasal divider

29.

Three anatomical regions of pharynx

a)

nasopharynx,oropharynx, laryngopharynx

b)

nasal pharynx,oreopharynx, laryngopharynx

c)

nasopharynx,orapharynx, laryngopharynx

d)

nasoepharynx,oropharynx, laryngopharynx

30.

Pair of tonsils at the root of the tongue

a)

palatine tonsil

b)

adenoid

c)

lingual tonsil

31.

has both respiratory and digestive functions, serving as a common passegeway for air, food, and drink


a)

nasopharynx

b)

oropharynx

c)

laryngopharynx

32.

both a respiratory and a digestive pathway and is lined by nonkeratinized stratified squamous epithelium


a)

nasopharynx

b)

oropharynx

c)

laryngopharynx

33.

a large, leaf-shaped piece of elastic cartilage that is covered with epithelium; moves down and forms a lid over glottis, when we eat


a)

glottis

b)

epiglottis

c)

hypoglottis

34.

a ring of hyaline cartilage that forms the inferior wall of the larynx; landmark for making an emergency airway (tracheotomy)


a)

thyroid cartilage

b)

cricoid cartilage

35.

the point where trachea divides into right and left primary bronchi

a)

bronchioles

b)

carina

c)

alveoli

36.

a double-layered serous membrane that encloses each lung

a)

pericardial

b)

pleural

c)

peritoneal

d)

parietal

37.

the superficial layer of the pleural membrane

a)

visceral pleura

b)

parietal pleura

38.

What is the main function of the alveoli in the lungs?

a)

Transport air to the bronchi

b)

Facilitate gas exchange

c)

Produce mucus

d)

Regulate airflow

39.

O2 leaves the bloodstream, oxygenated blood is converted into deoxygenated blood (happens in the tissues throughout the body)


a)

Internal Respiration

b)

External Respiration

40.

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.


a)

internal respiration

b)

external respiration

41.

The quantity of gas that will dissolve in a liquid is proportional to the partial pressure of the gas and its solubility


a)

dalton's law

b)

henry's law

c)

boyle's law

42.

the air remaining in the lungs after expiratory reserve volume is exhaled

a)

transitional volume

b)

inspiratory volume

c)

residual volume

d)

expiratory volume

43.

the apparatus commonly used to measure the volume of air exchanged during breathing and the respiratory rate


a)

stethoscope

b)

peak flow meter

c)

spirometer

44.

a pattern of shallow chest breathing

a)

costal breathing

b)

diaphragmatic breathing

45.

a pattern of deep abdominal breathing

a)

costal breathing

b)

diaphragmic breathing

46.

the sum of inspiratory reserve volume, tidal volume, and expiratory reserve volume

a)

functional capacity

b)

vital capacity

c)

residual capacity

47.

What is the primary function of the diaphragm in respiration?

a)

To filter air

b)

To facilitate gas exchange

c)

To assist in inhalation and exhalation

d)

To produce sound

48.

Which structure prevents food from entering the trachea during swallowing?

a)

Epiglottis

b)

Uvula

c)

Pharynx

d)

Larynx

49.

What is the term for the volume of air that remains in the lungs after a forced exhalation?

a)

Tidal volume

b)

Residual volume

c)

Vital capacity

d)

Inspiratory reserve volume

50.

Which of the following is not part of the respiratory system?

a)

trachea

b)

bronchi

c)

esophagus

d)

pharynx

51.

Which structure is the initial entry way for air to enter the respiratory system?

a)

nose

b)

mouth

c)

esophagus

d)

lungs

52.

What is the primary function of the larynx in the respiratory system?

a)

Sound production

b)

Gas exchange

c)

Air filtration

d)

Regulation of blood flow

53.

Which structure is responsible for the exchange of gases in the lungs?

a)

Bronchi

b)

Alveoli

c)

Trachea

d)

Diaphragm

54.

What is the role of surfactant in the lungs?

a)

To increase surface tension

b)

To decrease surface tension

c)

To facilitate gas exchange

d)

To filter out pathogens

55.

What is the primary role of surfactant in the lungs?

a)

Increase surface tension

b)

Decrease surface tension

c)

Facilitate gas exchange

d)

Prevent lung infections

56.

Which muscle is primarily responsible for inhalation?

a)

Intercostal muscles

b)

Diaphragm

c)

Abdominal muscles

d)

Scalene muscles

57.

What is the term for the volume of air that can be forcibly exhaled after a normal exhalation?

a)

Expiratory reserve volume

b)

Tidal volume

c)

Inspiratory reserve volume

d)

Residual volume

58.

What is the primary purpose of the respiratory system?

a)

To circulate blood

b)

To facilitate gas exchange

c)

To digest food

d)

To regulate body temperature

59.

Which structure is responsible for the exchange of oxygen and carbon dioxide in the lungs?

a)

Bronchi

b)

Alveoli

c)

Trachea

d)

Diaphragm

60.

What is the term for the process of breathing in?

a)

Exhalation

b)

Inhalation

c)

Ventilation

d)

Respiration

61.

What is the primary role of the alveolar macrophages in the respiratory system?

a)

Gas exchange

b)

Pathogen defense

c)

Air filtration

d)

Oxygen transport

62.

Which structure is responsible for producing sound during speech?

a)

Trachea

b)

Larynx

c)

Pharynx

d)

Bronchi

63.

What is the primary gas exchanged in the alveoli?

a)

Nitrogen

b)

Oxygen

c)

Carbon monoxide

d)

Carbon dioxide

64.

What is the primary muscle involved in the process of inhalation?

a)

Intercostal muscles

b)

Diaphragm

c)

Abdominal muscles

d)

Scalene muscles

65.

Which part of the respiratory system is responsible for filtering, warming, and humidifying the air?

a)

Trachea

b)

Nasal cavity

c)

Bronchi

d)

Alveoli

66.

What is the term for the maximum amount of air that can be exhaled after a maximum inhalation?

a)

Vital capacity

b)

Tidal volume

c)

Inspiratory capacity

d)

Functional residual capacity

67.

What is the primary function of the larynx in the respiratory system?

a)

Sound production

b)

Gas exchange

c)

Air filtration

d)

Regulating blood flow

68.

Which gas is primarily responsible for stimulating the respiratory center in the brain?

a)

Oxygen

b)

Nitrogen

c)

Carbon dioxide

d)

Hydrogen

69.

What is the term for the process of breathing in?

a)

Exhalation

b)

Inhalation

c)

Ventilation

d)

Respiration