APHY 102 EXAM 3 QUESTIONS AND
ANSWERS
What factor determines whether a structure in the respiratory system is part of the "conduction
pathway" or the "respiratory pathway"
whether or not the structure accomplishes gas exchange
The slit-like opening between the vocal cords or the larynx is the _; the largest cartilage of the larynx
is the _
glottis; thyroid cartilage
What are "conchae", as the term applies to the respiratory system
tiny, curled bones that scroll inward from the sides of the nasal cavity, separating it into chambers
Which of the following accurately describes the histology of the alveoli
simple squamous epithelium, no cartilage rings, and no smooth muscle
Find the false statement below, if any, concerning the bronchi
the segmental bronchi are also called secondary bronchi
What is the "respiratory membrane"
the layers of simple squamous epithelium of the alveoli and pulmonary capillaries, and the basement
membranes between them
Find the false statement below, if any, concerning surface tension in the respiratory system
it is increased by surfacant
How is the process of normal, quiet inspiration accomplished
by phrenic nerve stimulation of the diaphragm, and contraction of the diaphragm and external
intercostals
Find the false statement below, if any, concerning normal, quiet expiration
it is an active process, concerning contraction of several muscles
All of the following are true of the anatomy of the lungs, except
the parietal pleura is continuous with the outer surface of the lungs
Find the false statement below, if any, concerning emphysema
it involves an excess production of surfactant in the lungs
Find the false statement below, if any, concerning atelectasis
its most common cause is a bacterial infection of streptococcus atelectasis
Which of the following is true of anatomic dead space
in most cases, it is practically equal to physiologic dead space
ANSWERS
What factor determines whether a structure in the respiratory system is part of the "conduction
pathway" or the "respiratory pathway"
whether or not the structure accomplishes gas exchange
The slit-like opening between the vocal cords or the larynx is the _; the largest cartilage of the larynx
is the _
glottis; thyroid cartilage
What are "conchae", as the term applies to the respiratory system
tiny, curled bones that scroll inward from the sides of the nasal cavity, separating it into chambers
Which of the following accurately describes the histology of the alveoli
simple squamous epithelium, no cartilage rings, and no smooth muscle
Find the false statement below, if any, concerning the bronchi
the segmental bronchi are also called secondary bronchi
What is the "respiratory membrane"
the layers of simple squamous epithelium of the alveoli and pulmonary capillaries, and the basement
membranes between them
Find the false statement below, if any, concerning surface tension in the respiratory system
it is increased by surfacant
How is the process of normal, quiet inspiration accomplished
by phrenic nerve stimulation of the diaphragm, and contraction of the diaphragm and external
intercostals
Find the false statement below, if any, concerning normal, quiet expiration
it is an active process, concerning contraction of several muscles
All of the following are true of the anatomy of the lungs, except
the parietal pleura is continuous with the outer surface of the lungs
Find the false statement below, if any, concerning emphysema
it involves an excess production of surfactant in the lungs
Find the false statement below, if any, concerning atelectasis
its most common cause is a bacterial infection of streptococcus atelectasis
Which of the following is true of anatomic dead space
in most cases, it is practically equal to physiologic dead space
