ch 9 Flashcards
the amount of air that can be inhaled immediately after a normal inspiration is
inspiratory reserve volume
The most common forms of COPD are ____ and chronic bronchitis
emphysema
t/f: as the lungs expand, the intrapulmonary pressure falls below the atmospheric pressure
true
the left lung has ___ lobes
two
Between the vocal folds is a space called the ____
GLOTTIS
In ___, air is continually moved into and out of the lungs
pulmonary ventilation
According to Boyle’s law, if the volume of gas increases, then the pressure of the gas _____
DECREASES
The main site of gas exchange in the lungs is the ____
ALVEOLI
____ is the process by which air flows into the lings
inspiration
t/f: the common cold is called nasopharyngitis
true
in the ____, oxygen diffuses into the blood.
ALVEOLI
t/f: Acute bronchitis is an inflammation of the mucous membranes that line the trachea and bronchial passageways
true
during inspiration, the diaphragm _____
flattens
t/f: residual volume cannot be measured by a spirometer
true
what is the shape of the cartilaginous rings in the trachea
c-shaped
the airways of the lungs become narrow or inflamed during episodes called:
asthma attacks
t/f: gasses diffuse from the areas of high concentration to areas of low concentration
true
t/f: for the lungs to take in air, the intrapulmonary pressure must be greater than the atmospheric pressure
false
the lungs can be divided into two zones: the _____ and the respiratory system
CONDUCTING
The Eustachian tubes drain into the ______
NASOPHARYNX
More people in the united states die from lung cancer than any other form of cancer
true
____ is an infection of the lungs
pneumonia
at its bottom end the trachea divides into right and left _____
BRONCHIOLES
the two types of lung volume are static and ____
dynamic
t/f: hiccups cause spasms in the diaphragm muscle
true
t/f: the amount of air that remains in the lungs after a normal expiration is inspiratory reserve volume
false
The need to clear dust or other debris from the lower respiratory tract causes you to ____.
SNEEZE
Which of the following may cause pneumonia?
VIRUS, BACTERIA AND FUNGUS
The larynx is composed of ____ cartilaginous plates.
8
The virus Mycobacterium tuberculosis causes emphysema.
false
Posterior to the hard palate is the _
soft palate
According to Boyle’s law, if the volume of a gas increases, the pressure of the gas decreases.
true
All of the following are sinuses except the ____.
TEMPORAL SINUS
Men have a higher respiratory rate than women.
false
Which of the following is superior to the others?
nasopharynx
The medulla oblongata and ____ work together to control breathing.
PONS
In the alveoli, carbon dioxide diffuses out of the blood and into the alveolar sac.
true
External respiration takes place in the lungs
true
flu symptoms strike quickly
true
lung volume varies according to which of the following
height, weight and gender