Quiz 7 Chapter 21 Lab Ex 25 Resp Anatomy

The ring-shaped cartilage just inferior to the thyroid cartilage is the ________ cartilage.

cricoid

Functions of the nasal cavity include which of the following?

filtering the air warming the air humidifying the air trapping airborne particles

The nasal cavity is separated from the oral cavity by the

hard palate.

Which of the following answer choices correctly organizes the airways of the bronchial tree (large airways to small airways)

primary bronchus > secondary bronchus > tertiary bronchus > small bronchi > bronchioles > terminal bronchioles > respiratory bronchiole > alveolar duct > alveolar sac > alveoli

Type II pneumocytes:

produce surfactant

The technical term for "breathing" is

pulmonary ventilation

During a choking episode, most foreign objects are more likely to become lodged in the ________ bronchus due to its larger diameter and steeper angle.

right primary

The pharynx ________.

serves as a common passageway for air to the larynx and food to the esophagus

Gas exchange surfaces in the alveoli consist of which tissue type?

simple squamous epithelium

The right lung has ________; the left lung has ________.

three lobes; two lobes

Which laryngeal cartilage has, on its superior surface, ligamentous attachments to the hyoid bone, the epiglottis, and the smaller laryngeal cartilages?

thyroid cartilage

The airway that connects the larynx to the bronchi is the

trachea

Which of the following statements correctly describes the role of the hair that lines the external nares (nostrils)?

The hair that lines the nostrils filters foreign particles.

During swallowing, solids and liquids are prevented from entering the respiratory tract. the larynx is elevated. the epiglottis folds back over the glottis. All of the answers are correct. None of the answers is correct.

all of the answers are correct

A hemoglobin molecule contains ________ globular protein subunits.

4

Which of the following structures is/are part of the lower respiratory system? pharynx larynx nasal vestibule bronchus

bronchus

The nasal cavity is divided into left and right portions by the

nasal septum

The ________ extends between the soft palate and the base of the tongue at the level of the hyoid bone.

oropharynx

Which of the pharyngeal regions is most closely associated with the oral cavity?

oropharynx

The lungs are located in the ________ on either side of the heart.

plural cavities

A 10 percent increase in the level of carbon dioxide in the blood will

double the rate of breathing.

The C shape of the tracheal cartilages is important because

large masses of food can pass through the esophagus during swallowing.

The vocal cords are located in the ________.

larynx

Components of the upper respiratory system include all of the following except the

lips