Respiratory System

Which of the following terms is mismatched?

• pharynx - throat
• larynx - voice box
• bronchioles - air sacs
• trachea - wind pipe

Which of the following is NOT an organ of the respiratory system?

• lungs
• trachea
• nasal cavity
• esophagus

Inhalation brings in fresh ______ and exhalation removes _________.

• oxygen, carbon dioxide
• nitrogen, carbon dioxide
• oxygen, nitrogen
• carbon dioxide, oxygen

Small hairs that line opening to nasal cavity and trachea that filter out large dirt particles before they can enter lungs are called:

• flagella
• cilia
• mucus
• phlegm

Vocal cords vibrate to produce sound as air passes through opening between folds called the:

• glottis
• epiglottis
• trachea
• bronchioles

Oxygen exchange occurs in the _______________.

• trachea
• larynx
• bronchioles
• alveoli

Respiratory rate is based off of:

• level of hemoglobin in the blood
• level of oxygen in the blood
• level of carbon dioxide in the blood
• level of calcium in the blood

The normal respiratory rate for an adult is:

• 10-15
• 12-20
• 18-30
• 30-60

Which respiratory rate is normal for an infant?

• 20
• 40
• 65
• 70

Oxygen saturation is a measure of:

• how much hemoglobin is bound to oxygen in the blood
• how much carbon dioxide is in the blood
• how much calcium is in the blood
• how much sodium is in the blood