Respiratory System MCQ Question with Answer

Respiratory System MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

Question No : 43
The respiratory portion of the respiratory tract consists of

Pharynx, larynx, trachea, bronchi and bronchioles

Trachea, bronchi, bronchioles, alveolar ducts and alveoli

Respiratory bronchioles, alveola ducts, alveolar sacs and alveoli

Bronchi, bronchioles, alveolar ducts, alveolar sacs and alveoli

Question No : 44
In a man at rest the body's cells consume approximately

5000 ml of oxygen per day

5000 ml of oxygen per hour

500 ml of oxygen per hour

200 ml of oxygen per minute

Question No : 45
Diaphragm is characteristic of

egg-laying mammals only

marsupial mammals only

eutherian mammals only

all the mammals

Question No : 46
Oxygen will diffuse through a membrane only if it is

moist

immersed in water

very thin

vascular

Question No : 47
The impulses reaching voluntary muscles for forced breathing originate from

medulla oblongata

spinal cord

vagus nerve

cerebrum

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