Respiratory Basics: 169

Bony ridges on the lateral walls of the nasal cavity that increase the turbulence of air flow (which helps to trap pathogens)

• paranasal sinuses

• nasal septa

• conchae

• nostrils

Given the following structures:
1. larynx
2. nasal cavity
3. pharynx
4. trachea
Which of the following is the correct order that air would flow during inhalation. 

• 1,2,3,4
• 2,3,1,4
• 2,1,3,4
• 4,2,3,1 

The trachea...

• extends from the nasal cavity to the bronchi
• is lined with cilia
• lies posterior to the esophagus
• is the passageway for food into the stomach

Given the following structures:
1. alveoli
2. bronchi
3. bronchioles
Which of the following is the correct order in which air would flow after inhalation? 

• 1,2,3
• 2,1,3
• 2,3,1
• 3,2,1

The majority of actual gas exchange occurs in the:

• bronchi

• bronchioles

• alveoli

• ventricles

Surfactant...

• decreases the surface tension of fluid in the alveoli, which increases the elastic properties of the lungs

• increases the energy required to keep the lungs inflated properly

• increases the tendency of lungs to collapse

• traps foreign particles and pathogens that enter the lungs

Which of the following is not a characteristic of human lungs?

• Both right and left lungs are composed of three lobes. 
• Bronchi divide to form bronchioles.
• Capillary supply is abundant to facilitate gas exchange with the blood.
• The alveoli are tiny air sacs arranged in clusters.  

Which body function is made possible by the fibrous bands stretched across the larynx?

• swallowing
• breathing
• diffusion
• speech

We need to eat and breathe because the release of energy in cells (for repair, mitosis and maintenance) requires...

• oxygen and glucose
• carbon dioxide and water
• oxygen and carbon dioxide
• oxygen and urea

The energy used to make ATP comes from...

• oxygen
• carbon dioxide
• glucose
• water

Tags

NGSS.HS-LS1-7