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The Respiratory System Quiz

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Questions and Answers

Which organ is responsible for purifying, warming, and humidifying the incoming air?

Pharynx
Nose (correct)
Trachea
Larynx

What is the function of the respiratory system?

Transport oxygen to the cells
Exchange gases between the blood and external environment (correct)
Purify, warm, and humidify the incoming air
Remove waste gases from the body

Which part of the respiratory system is the only externally visible part?

Larynx
Pharynx
Nose (correct)
Trachea

What is the purpose of the nasal conchae (turbinates) in the nasal cavity?

Increase surface area (B) Signup and view all the answers

Which part of the pharynx is located behind the mouth?

Oropharynx (D) Signup and view all the answers

Which of the following statements about electromagnetic radiation is true?

Electromagnetic radiation has the same velocity and wavelength. (B) Signup and view all the answers

What is the relationship between wavelength and frequency?

They are inversely related. (C) Signup and view all the answers

What is the unit of measurement for frequency?

Hertz (A) Signup and view all the answers

What is natural background radiation also known as?

Environmental radiation (C) Signup and view all the answers

What is the relationship between frequency and photon energy?

They are directly related. (C) Signup and view all the answers