The area of respiratory passageways that extends from the opening of the nasal cavity to the smallest bronchioles is the

a. respiratory portion

b. lower respiratory tract

c. conducting portion

d. upper respiratory tract

e. all of the above

What is the significance of the "c-shaped" cartilages that reinforce the tracheal rings?

a. they form a solid cartilaginous tube

b. the incomplete portion of the C-shaped cartilages are located at the posterior of the tracheal cartilages, to permit the esophagues to bulge anteriorly into the tracheal lumen in transient fashion to permit a large bolus to pass

c. these cartilages hold the trachea rigidly open at the same diameter at all times

d. the open region permits passage of the nerves that stimulate the muscles of the laryngeal region

e. none of the above are true

The _________ is shared by the digestive and respiratory systems

a. nasal septum

b. esophagus

c. larynx

d. nasal cavity

e. pharynx

The area of the respiratory system that includes the larynx and respiratory tree is called the

a. bronchi

b. upper respiratory tract

c. respiratory portion

d. lower respiratory tract

e. conducting portion

The chamber posterior to the uvula and base of the tongue is the

a. oral cavity

b. nasopharynx

c. oropharynx

d. larynx

e. none of the above

The fissures divide the lungs into 

a. lobules 

b. alveoli

c. bronchi

d. lobes

e. segments

The false vocal folds are also called

a. vocal ligament

b. functional folds

c. vestibular folds

d. glottis 

e. none of the above

Together, the epithelium and the lamina propria of the respiratory tract constitute a

a. cutaneous membrane

b. serous membrane

c. mucous membrane

d. synovial membrane

e. all of the above

The structures that form the respiratory membrane include:

1. elastic fibers

2. secondary bronchioles

3. Type I aveolar cell and the basement membrane of the alveolar epithelium

4. pulmonary nerve plexus

5. capillary walls

3 and 5

3.Type I aveolar cell and the basement membrane of the alveolar epithelium

5. capillary walls

During exterme bouts of exercise, inspiration may be aided by the

a. rectus abdominus, external and internal oblique, and the transversus abdominus

b. serratus anterior and levator scapulae

c. intrinsic back muscles and the scalenus anterior and medius

d. diaphragm and external and internal intercostal muscles

e. all of the above

The ridge found at the bifurcation of the trachea is called the

a. carina

b. extrapulmonary ridge

c. hilum

d. trachealis

e. root of the lung

The function of the surfactant is to

a. reduce the surface tension in the fluid coating alveolar surfaces to prevent alveolar collapse

b. cause capillaries to adhere closely to the alveolar surfaces to promote gas exchange

c. phagocytize particulate matter that has eluded the respiratory defenses and reached the alveoli

d. cause diffusion

e. do none of the above

Compared with the left primary bronchus, the right primary bronchus is

a. wider

b. less resistant to airflow

c. steeper

d. more prone to blockage

e. all ove the above

The most important skeletal muscles involved in making normal, relaxed, respiratory movements include the

a. diaphragm and external and internal intercostal muscles

b. rectus abdominus, external and internal oblique, and the transversus abdominis

c. serratus anterior and levator scapulae

d. intrinsic back muscles and the scalenus anterior and medius

e. all of the above

The superior and inferior lobes of the left lung are seperated by the

a. horizontal fissure

b. transverse fissure

c. oblique fissure

d. sagittal fissure

e. none of the above

The curving anterior surface of the lungs is called the

a. costal surface

b. root of the lung

c. diaphragmatic surface

d. mediastinal surface

e. base of the lung

Secondary bronchi are also termed ________ bronchi.

a. lobular

b. lobar

c. tertiary

d. segmental

e. none of the above

Each tertiary bronchus leads to one

a. septum

b. lobe

c. bronchopulmonary segment

d. lung

e. none of the above

The middle lobar bronchus is found

a. in both lungs

b. only in very large individuals

c. only in males

d. in the left lung only

e. in the right lung only

The first passageway of the respiratory protion of the respiratory tract is called the

a. alveolar tract

b. respiratory bronchiole

c. air sac

d. terminal bronchiole

e. alveolus

Which OZ character is suspected of creating a serious wind invasion problem in the respiratory tract of OZ?

a. Toto

b. The Lion

c. The Scarecrow

d. The Wicked Witch of the West

e. The Wizard of OZ

d. The Wicked Witch of the West

Watch out for Flying Monkies!