chapter 23 sb

Identify structures of the upper respiratory tract. Select all that apply.

Pharynx Nasal cavity

Indicate the correct order of respiratory airways as air is inhaled.

1. pharynx 2. Larynx 3. Trachea 4.bronchi and Bronchioles 5.Respiratory bronchioles 6.Alveolar ducts and sacs

Identify the functions of the respiratory system.

Plays a role in regulating blood pH Assists in vocalization and speech Olfaction Produces chemical mediators that activate substances in the blood Assists in the removal of carbon dioxide Protection from microorganisms Exchange of O2 and CO2 between the atmosphere and the tissues of the bod

One of the functions of the respiratory system is to alter the levels of carbon dioxide in the blood; thus regulating ______.

blood pH

The respiratory system can influence blood pH by ______.

changing blood CO2 levels

The thyroid cartilage, cricoid cartilage, epiglottis vestibular folds, and vocal folds are associated with the ______.

larynx

The portion of the pharynx that extends from the soft palate to the epiglottis is the

oropharynx

The nasal cavity, choana and oropharynx are components of the ______.

upper respiratory tract

The posterior extension of the soft palate is the

uvula

Choose the functions of the respiratory system. Select all that apply.

Assists in the removal of carbon dioxide Plays a role in regulating blood pressure Regulation of blood pH Assists in vocalization and speech Supplies the body with oxygen

identify structures found in the lower respiratory tract. Select all that apply.

Bronchi Trachea

List the correct order of airways from the trachea to the alveoli.

Bronchi, bronchioles, respiratory bronchioles, alveolar ducts, and sacs

Identify the functions of the conducting zone of the respiratory system. Select all that apply.

Cleaning air Warming air Humidification

Warming and humidification are functions of which part of the respiratory system?

Conducting zone

What structure covers the opening to the larynx during swallowing?

Epiglottis

What is the function of the respiratory zone?

Gas exchange

The most superior portion of the pharynx, posterior to the nasal cavity, extending to the soft palate, is the

Nasopharynx

Gas exchange occurs in which location in the respiratory system?

Respiratory zone

Indicate the features that are associated with the larynx. Select all that apply

Vestibular and vocal folds epiglottis and glottis Thyroid and cricoid cartilages

The ______ is the main structure located between the laryngopharynx and the trachea.

larynx

The oropharynx extends from the _____ to the _____.

soft palate, epiglottis

The two divisions of the respiratory tract are ______.

upper and lower respiratory tracts