Chapter 22 Part 1

Which oily substance is found inside alveoli to reduce surface tension and keep the alveolar sacs open?

• Sebum

• Sebaceous fluids

• Surfactant

• Soap

The upper respiratory tract includes the

• pharynx

• bronchi

• alveoli

• trachea

Sympathetic activation of the bronchioles is moderated by ___ resulting in ___

• H1 receptors, broncho-constriction

• H1 receptors, broncho-dilation

• Beta 2 receptors, broncho-constriction

• Beta 2 receptors, broncho-dilation

Type 1 pneumocytes primarily ___ whereas type 2 pneumocytes primarily ___

• produce surfactant, allow for gas exchange

• allow for gas exchange, produce surfactant

• allow for gas exchange, play an immunological role

• play an immunological role, produce surfactant

The right lung has ___ lobes and the left lung has ___ lobes

• 3, 2

• 2, 3

• 3, 3

• 2, 2

A patient overdoses on fentanyl and enters into a state of respiratory depression. The patient will become

• hypocapnic

• hypercapnic

• hyperemic

• hyperoxic

In pulmonology, the conducting zone refers to:

• The airways that transport air to the lungs without gas exchange.
• The diaphragm that aids in breathing.
• The alveoli responsible for oxygen absorption.
• The lungs where gas exchange occurs.

What in the respiratory system allows for the movement of debris and infectious agents out of the lungs?

• Alveoli
• Bronchioles
• Diaphragm
• Cilia