Respiratory System Essentials Quiz

What is the main function of the respiratory system?

• Oxygen transport

• Gas exchange

• Nutrient absorption

• Hormone regulation

Which of the following is the primary muscle used for breathing?

• Intercostal muscles

• Diaphragm

• Abdominal muscles

• Pectoral muscles

Which components are part of the upper respiratory tract?

• Trachea, bronchi, lungs

• Nose, pharynx, larynx

• Alveoli, pleura, diaphragm

• Medulla oblongata, chemoreceptors, pleura

What are the components of the lower respiratory tract?

• Nose, pharynx, larynx

• Alveoli, pleura, diaphragm

• Trachea, bronchi, lungs

• Medulla oblongata, chemoreceptors, pleura

Where in the lungs does gas exchange primarily take place?

• Bronchioles

• Alveoli

• Pleura

• Larynx

What molecule is responsible for oxygen transport in the blood?

• Myoglobin

• Hemoglobin

• Albumin

• Globulin

How is most carbon dioxide transported in the blood?

• Dissolved in plasma

• Bound to hemoglobin

• As bicarbonate ions

• Attached to white blood cells

Which structure serves as the breathing control center?

• Hypothalamus

• Cerebellum

• Medulla oblongata

• Pineal gland

What is the protective membrane that surrounds the lungs called?

• Pericardium

• Peritoneum

• Pleura

• Meninges

Which part of the respiratory system is also known as the voice box?

• Pharynx

• Larynx

• Trachea

• Epiglottis