Quiz 12- Respiratory System

Respiration ensures that ________ enters the body and that ________ exits the body.

• oxygen; carbon dioxide

• oxygen; water

• carbon dioxide; oxygen

• carbon dioxide; water

Arrange the following structures to show to the path an oxygen molecule would follow once inhaled.

(1) Alveolus

(2) Bronchus

(3) Bronchiole

(4) Laryngopharynx

(5) Larynx

(6) Nasal cavity

(7) Nasopharynx

(8) Oropharynx

(9) Trachea

• 6, 7, 8, 4, 5, 9, 3, 2, 1

• 6, 7, 8, 5, 4, 9, 2, 3, 1

• 6, 7, 8, 4, 5, 9, 2, 3, 1

• 6, 8, 7, 4, 5, 9, 2, 3, 1

The basic rhythm of breathing is controlled by neurons in the ________.

• medulla oblongata

• heart

• cerebrum

• lungs

Paulette was involved in a serious accident that damaged her brainstem. As a result, she cannot breathe on her own due to lack of stimulation of the diaphragm. Which area of the brainstem is most likely affected?

• The ventral respiratory group of the medulla

• The dorsal respiratory group of the medulla

• The pontine respiratory group

The ________ are branched from the trachea that insert into the lungs.

• tertiary bronchi

• respiratory bronchioles

• secondary bronchi

• primary bronchi

The ________ is the entrance of the respiratory tract.

• pharynx

• nose

• trachea

• oral cavity

The left lung has ________ lobes, and the right lung has ________ lobes.

• 1; 3

• 3; 2

• 2; 3

• 3;4

Which of the following is NOT a function of the respiratory system?

• Voice production

• Delivery of oxygen to the tissues of the body

• Gas exchange

• Olfaction

________ is the volume of air inspired or expired with each breath.

• Inspiratory reserve volume

• Expiratory reserve volume

• Residual volume

• Tidal volume

Which of the following factors affects gas exchange across the respiratory membrane?

• Thickness of the membrane

• The total surface area of the respiratory membrane

• The partial pressure of gases across the membrane

• All of the choices are correct.