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UNMC Nurses & Midwives Licensing — free MCQ practice

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UNMC Nurses & Midwives Licensing subjects

Biology (29)

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AnatomyBiologyRespiratory System

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The respiratory system divides functionally into a respiratory zone and a zone that is:Read the answer and worked solution →Besides carrying air, the conducting zone warms, humidifies and removes:Read the answer and worked solution →The muscular tube lined with mucous membrane behind the nasal cavity is the:Read the answer and worked solution →The region of the pharynx that serves only as an airway is the:Read the answer and worked solution →

Worked practice questions

The respiratory system divides functionally into a respiratory zone and a zone that is:

  1. Conducting
  2. Connecting
  3. Concluding
  4. Contracting
Show answer and solution

Correct answer: A. Conducting

1. One zone actually performs gas exchange. 2. The other simply carries air to and from it. 3. That carrying part is the conducting zone. _Source: OpenStax Anatomy and Physiology 2e, Chapter 22, The Respiratory System._

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Besides carrying air, the conducting zone warms, humidifies and removes:

  1. Dryness
  2. Debris
  3. Density
  4. Dosage
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Correct answer: B. Debris

1. Incoming air carries particles and pathogens. 2. They must be trapped before reaching the alveoli. 3. So the conducting zone removes debris. _Source: OpenStax Anatomy and Physiology 2e, Chapter 22, The Respiratory System._

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The muscular tube lined with mucous membrane behind the nasal cavity is the:

  1. Pharynx
  2. Phalanx
  3. Plexus
  4. Pylorus
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Correct answer: A. Pharynx

1. It continues on from the nasal cavities. 2. It is formed by skeletal muscle. 3. That tube is the pharynx. _Source: OpenStax Anatomy and Physiology 2e, Chapter 22, The Respiratory System._

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