NUR 631 Respiratory-Questions and Verified
Answers| 100% Correct-
Which mainstream bronchus is more vertical due to its continuation of the laryngotracheal
tube?
right mainstream. Its about 20 degree angle
What kind of recessive disorder is cystic fibrosis?
autosomal recessive
The most common cause of croup is what?
parainfluenza virus
Is regeneration of epithelial cells lining the alveoli a finding in RSV?
NO
A highly contagious acute respiratory illness characterized by paroxysmal cough is what?
pertussis
An incentive spirometer is used to determine what?
peak expiratory flow
What influence causes the most human infections?
Influenza A
A pediatric patient complaints of whooping cough with posttussive vomiting. Which stage of
pertussis is suggested by these symptoms?
paroxysmal
Are monocytes involve in inflammation associated with asthma?
No
,Which side of the lungs is larger ?
Right side
What must occur at the alveolar-capillary interface for effective gas exchange?
ventilation
perfusion
diffusion
Where does the exchange of oxygen and CO2 take place?
alveolar-capillary membrane
What is the primary function of the lungs?
gas exchange
What angle does the left bronchus branch off the trachea?
40-60 degrees
Which lung is more susceptible to aspiration or foreign body?
right lung
What are the 4 stages of fetal lung development?
Pseudoglandular period
canalicular period
terminal sac period
Alveolar period
Which fetal development lung stage is when the bronchial divisions differentiate and major
elements of lung tissue are present except for the ones involved in gas exchanges
(bronchioles and alveoli)
Pseudoglandular period which is at 5-17 weeks gestation
, Which period is of fetal lung development do the bronchi/bronchioles enlarge and vascularize
of lung tissue takes place?
Canalicular period @ 16-25 weeks
Why is Respiration is possible at the end of the canicular period, around 25 weeks?
because respiratory bronchioles and primitive alveoli are developed
Type II pneumocystis begin secreting what at the end of 25 weeks?
surfactant
What is an epithelial cell on the inertial surface of an alveoli
Type II pneumocytes
What is a phospholipid essential for maintaining alveolar potency?
surfactant
When does the terminal sac period begin?
24 weeks to brith
What occurs during the terminal sac period (24-birth) ?
terminal sacs become thinner, preparing the lung tissue for gas exchange
Proliferation of pulmonary capillaries is prominent during the terminal sac period but infants
born between 25-28 weeks are susceptible to what?
respiratory distress syndrome because lungs have no finished developing.
When is the alveolar period?
late fetal life to 8 years of life
Describe what occurs during the alveolar period?
Answers| 100% Correct-
Which mainstream bronchus is more vertical due to its continuation of the laryngotracheal
tube?
right mainstream. Its about 20 degree angle
What kind of recessive disorder is cystic fibrosis?
autosomal recessive
The most common cause of croup is what?
parainfluenza virus
Is regeneration of epithelial cells lining the alveoli a finding in RSV?
NO
A highly contagious acute respiratory illness characterized by paroxysmal cough is what?
pertussis
An incentive spirometer is used to determine what?
peak expiratory flow
What influence causes the most human infections?
Influenza A
A pediatric patient complaints of whooping cough with posttussive vomiting. Which stage of
pertussis is suggested by these symptoms?
paroxysmal
Are monocytes involve in inflammation associated with asthma?
No
,Which side of the lungs is larger ?
Right side
What must occur at the alveolar-capillary interface for effective gas exchange?
ventilation
perfusion
diffusion
Where does the exchange of oxygen and CO2 take place?
alveolar-capillary membrane
What is the primary function of the lungs?
gas exchange
What angle does the left bronchus branch off the trachea?
40-60 degrees
Which lung is more susceptible to aspiration or foreign body?
right lung
What are the 4 stages of fetal lung development?
Pseudoglandular period
canalicular period
terminal sac period
Alveolar period
Which fetal development lung stage is when the bronchial divisions differentiate and major
elements of lung tissue are present except for the ones involved in gas exchanges
(bronchioles and alveoli)
Pseudoglandular period which is at 5-17 weeks gestation
, Which period is of fetal lung development do the bronchi/bronchioles enlarge and vascularize
of lung tissue takes place?
Canalicular period @ 16-25 weeks
Why is Respiration is possible at the end of the canicular period, around 25 weeks?
because respiratory bronchioles and primitive alveoli are developed
Type II pneumocystis begin secreting what at the end of 25 weeks?
surfactant
What is an epithelial cell on the inertial surface of an alveoli
Type II pneumocytes
What is a phospholipid essential for maintaining alveolar potency?
surfactant
When does the terminal sac period begin?
24 weeks to brith
What occurs during the terminal sac period (24-birth) ?
terminal sacs become thinner, preparing the lung tissue for gas exchange
Proliferation of pulmonary capillaries is prominent during the terminal sac period but infants
born between 25-28 weeks are susceptible to what?
respiratory distress syndrome because lungs have no finished developing.
When is the alveolar period?
late fetal life to 8 years of life
Describe what occurs during the alveolar period?
