The respiratory system test questions

Which two structures does the trachea lead to in the lungs?

• The bronchi

• The bronchioles

• The pleural membranes

What are the tiny air sacs in the lungs called?

• Bronchioles

• Alveoli

• Capillaries

What happens when we exhale (breathe out)?

• The diaphragm contracts and moves upwards

• The diaphragm relaxes and moves upwards

• The diaphragm relaxes and moves downwards

Which of the following is the correct pathway through which air travels in the human respiratory system?

• nose, lungs, pharynx, trachea

• nose, pharynx, trachea, lungs

• pharynx, nose, trachea, lungs

Which of the following is responsible for preventing food from entering the trachea?

• epiglottis

• glottis

• larynx

Which of the following correctly describes the method of inhalation?

• rib muscles and diaphragm contract, volume in chest cavity decreases, air pressure increases

• rib muscles and diaphragm contract, volume of chest cavity increases, air pressure decreases

• rib muscles and diaphragm relax, volume of chest cavity increases, air pressure decreases

Your two lungs are the same size.

• True

• False

The work of breathing is done by the:

• Diaphragm

• Larynx

• Bronchioles