Respiratory System Quiz

Firstly – what is the OVERALL FUNCTION of the respiratory system?

• To transport nutrients throughout the body

• To facilitate gas exchange and provide oxygen to the body

• To break down food and absorb nutrients

• To protect the body from infections

Identify the organ in the following picture.

• Heart

• Liver

• Kidney

• Lung

Where do the nerve fibres in the ciliated mucous epithelium of the nasal turbinates go? What sense do they supply?

• They go to the olfactory bulb and supply the sense of smell.

• They go to the optic nerve and supply the sense of sight.

• They go to the auditory nerve and supply the sense of hearing.

• They go to the gustatory cortex and supply the sense of taste.

Which structure warms and moistens air?

• Nasal cavity

• Trachea

• Lungs

• Bronchi

The structure that opens and closes the larynx is:

• Epiglottis

• Vocal cords

• Trachea

• Esophagus

Which set of muscles control movement of the thorax?

• Intercostal muscles

• Abdominal muscles

• Facial muscles

• Pelvic muscles

Which structure is made up of muscle and tendon and moves caudally during inspiration to allow for lung expansion?

• DIAPHRAGM

• LIVER

• STOMACH

• HEART

Which structure is a passageway for air, food and fluid?

• PHARYNX

• ESOPHAGUS

• TRACHEA

• LARYNX

Which structure opens and closes the larynx?

• ARYTENOID CARTILAGES

• EPIGLOTTIS

• VOCAL CORDS

• THYROID CARTILAGE