Module 6
the right lung has ______ lobes; the left lung has _______ lobes.
3 -- 2
Place in descending order hemoglobin's affinity for these gasses (highest affinity first): 1. nitrogen 2. oxygen 3. carbon monoxide 4. carbon dioxide
3, 2, 4, 1
The reason for pulmonary ventilation (bulk flow) through the Respiratory Zone is alveolar ventilation (diffusion) through the Conduction Zone.
False
In systemic gas exchange, _____________ is ___________ in _____________ than _____________.
PO2 -- higher -- blood -- tissues
The reason for pulmonary ventilation (bulk flow) through the Conducting Zone is alveolar ventilation (diffusion) through the Respiratory Zone.
True
Respiration is suspended during ______________.
apnea
Which of the following is not a function of the paranasal sinuses?
assists audition
After entering the bloodstream, carbon dioxide may do all the following, except _______________.
bind to oxygen
The submucosa of the trachea contains ______________.
c- cartilages
Which of the following has the greatest effect on the respiratory centers?
carbon dioxide
The "speedo shaped" cartilaginous structure between the trachea and primary bronchi is known as the _______________,
carina
Pulmonary ventilation is to the ___________, as alveolar ventilation is to the ____________.
conducting zone; respiratory zone
The two main functional zones of the respiratory tract are the ___________ and the __________.
conducting zone; respiratory zone
The surface of the nasal cavity functions to do all the following, except ____________ the air.
cool
Which structure completely surrounds the larynx?
cricoid cartilage
As tissue oxygen levels __________, the hemoglobin saturation level ____________
decrease -- decreases
Type I alveolar cells are responsible for _______________.
diffusion of gasses
Pontine pneumotaxic center
effort & rate coordination
A smoker can expect to have the alveolar wall break down decreasing respiratory surface area known as ______________.
emphysema
The volume of air exhaled at the end of tidal volume plus all the air that can possibly be exhaled is the __________________.
expiratory reserve volume
As a rule of thumb the ____________ thoracic muscles are involved in inspiration.
external
The combination of pulmonary and alveolar ventilation is termed ____________.
external respiration
Medullary ventral respiratory group
forced inspiration and expiration
Pontine apneustic center
gasping reflex
A __________ compliance produces a(n) ___________.
high; easy expansion
The collapse or overexpansion of the tracheal walls is prevented by ______________.
hyaline cartilage
Tissues starved of oxygen is termed __________.
hypoxia
As tissue oxygen levels _____________, the hemoglobin saturation level ____________.
increase -- increases
Which of the nasal conchae are separate individual bones?
inferior
Medullary dorsal respiratory group
inspiratory action of diaphragm and intercostal muscles
As a rule of thumb, the ___________ thoracic muscles are involved in expiration.
internal
The vocal cords are located in the _____________.
larynx
What surrounds and protects the glottis?
larynx
All the following are layers of the trachea, except the ____________.
lumen
The primary bronchi enter the ______, while the secondary bronchi enter the _______.
lungs -- lobes
All the following are bones with paranasal sinuses, except ____________.
nasal
The auditory (eustachian) tube is located in the _______________.
nasopharynx
The most normal beginning of pulmonary ventilation is the ________________.
nose
The upper respiratory tract begins at the __________ and ends at the ____________.
nose; pharynx
The soft palate separates the nasopharynx from the ___________.
oropharynx
Which of the following would not be expected to change hemoglobin saturation?
oxygen content
Select the appropriate muscles of inspiration.
pectoralis minor external intercostals diaphragm sternocleidomastoid scalenes
The area shared by the digestive and the respiratory system is the __________.
pharynx
All the following are terms for emesis, except ______________
scarfing
For quick diffusion purposes, both the alveolar and adjacent capillaries are composed of ______________.
simple squamous epithelium
Dust and other foreign particles are trapped by cilia and mucus produced by the respiratory _______________.
sinuses
Of the 9 cartilages of the larynx the ____________ cartilage is the largest.
thyroid
The " Adam's apple" is a prominent ridge on the anterior of the ____________.
thyroid cartilage
The " Adam's apple" is a prominent ridge on the anterior of the ____________. glottis
thyroid cartilage
In quite breathing which involves __________ volume, inspiration is ______________ and expiration is ______________.
tidal -- active -- passive
Which of the alveolar cells are responsible for the production of surfactant?
type II cells
The two structural areas of the respiratory tract are the _________ and the ___________.
upper respiratory tract; lower respiratory tract
___________ airways allow ____________ resistance allowing __________ airflow.
wider; decreased; faster
