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WorksheetsRespiratory System MCQs
Total questions: 20
Worksheet time: 20mins
The primary function of the respiratory system is to:
Digest food
Exchange oxygen and carbon dioxide
Regulate blood pressure
Produce hormones
The mucous membrane lining the respiratory tract is called:
Serosa
Mucus
Mucosa
Alveoli
Sticky secretion that traps foreign particles in the airways is:
Sputum
Mucus
Plasma
Saliva
Which structure separates the two nostrils?
Turbinate
Pharynx
Septum
Larynx
The common passageway for both air and food is the:
Larynx
Trachea
Pharynx
Bronchi
The structure that houses the vocal cords is the:
Pharynx
Larynx
Trachea
Bronchi
Which structure conducts air from the larynx to the bronchi?
Pharynx
Trachea
Alveoli
Diaphragm
The primary site of gas exchange in the lungs is the:
Bronchi
Bronchioles
Alveoli
Trachea
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پێکەنیم😂
پێنەکنیم😏
Which muscle plays a crucial role in breathing?
Intercostal muscle
Abdominal muscle
Diaphragm
Pectoral muscle
Pulmonary ventilation refers to:
Gas exchange between blood and tissues
Oxygen transport by hemoglobin
Air movement in and out of lungs
Cellular respiration
Inspiration is best described as:
Passive process
Diaphragm relaxation
Active process
Abdominal muscle contraction only
Low oxygen level in body tissues is known as:
Hypoxemia
Hypercapnia
Hypoxia
Apnea
Excess carbon dioxide in the blood is called:
Hypocapnia
Hypercapnia
Hypoxia
Cyanosis
Listening to lung sounds using a stethoscope is termed:
Percussion
Palpation
Inspection
Auscultation
Normal breathing is known as:
Dyspnea
Apnea
Eupnea
Tachypnea
Rapid breathing is called:
Bradypnea
Eupnea
Tachypnea
Dyspnea
The suffix “-capnia” refers to:
Oxygen level
Smell
Carbon dioxide level
Breathing
Which prefix means “slow”?
Dys-
Brady-
Eu-
Tachy-
A chronic inflammatory disease causing airway narrowing is:
Pneumonia
COPD
Asthma
Tuberculosis
