Question 1

Which of the following tests of the amniotic fluid have been shown to be sensitive indicators of lung maturity?

Accepted Answer

A)  Levels of prednisone 
B)  Levels of epidermal growth factor 
C)  Levels of prostaglandins 
D)  Levels of phosphatidylglycerol and phosphatidylcholine 
A)  Levels of prednisone 
B)  Levels of epidermal growth factor 
C)  Levels of prostaglandins 
D)  Levels of phosphatidylglycerol and phosphatidylcholine D

Question 2

What is the purpose of the substance secreted by the type II pneumocyte?

Accepted Answer

A)  To increase the gas exchange surface area 
B)  To reduce surface tension 
C)  To maintain lung elasticity 
D)  To preserve the volume of the amniotic fluid 
A)  To increase the gas exchange surface area 
B)  To reduce surface tension 
C)  To maintain lung elasticity 
D)  To preserve the volume of the amniotic fluid B

Question 3

Which of the following mechanisms are responsible for the possible association between oligohydramnios and lung hypoplasia?
I. Abnormal carbohydrate metabolism
II. Mechanical restriction of the chest wall
III. Interference with fetal breathing
IV. Failure to produce fetal lung liquid

Accepted Answer

A)  I and III only 
B)  II and III only 
C)  I, II, and IV only 
D)  II, III, and IV only 
A)  I and III only 
B)  II and III only 
C)  I, II, and IV only 
D)  II, III, and IV only D

Question 4

Regarding postnatal lung growth, by approximately what age do most of the alveoli that will be present in the lungs for life develop?

Accepted Answer

A)  6 months 
B)  1 year 
C)  1.5 years 
D)  2 years 
A)  6 months 
B)  1 year 
C)  1.5 years 
D)  2 years

Question 5

The lung bud emerges from which of the following structures?

Accepted Answer

A)  The pharynx 
B)  The foregut 
C)  The mesenchyme 
D)  The tubular epithelium 
A)  The pharynx 
B)  The foregut 
C)  The mesenchyme 
D)  The tubular epithelium

Question 6

The respiratory therapist is evaluating a newborn with mild respiratory distress due to tracheal stenosis. During which period of lung development did this problem develop?

Accepted Answer

A)  Embryonal 
B)  Saccular 
C)  Canalicular 
D)  Alveolar 
A)  Embryonal 
B)  Saccular 
C)  Canalicular 
D)  Alveolar

Question 7

Approximately how much fetal lung fluid is secreted daily?

Accepted Answer

A)  About 150 to 200 ml 
B)  About 250 to 300 ml 
C)  About 350 to 400 ml 
D)  About 450 to 500 ml 
A)  About 150 to 200 ml 
B)  About 250 to 300 ml 
C)  About 350 to 400 ml 
D)  About 450 to 500 ml

Question 8

Which of the following phases of human lung development is characterized by the formation of a capillary network around airway passages?

Accepted Answer

A)  Pseudoglandular 
B)  Saccular 
C)  Alveolar 
D)  Canalicular 
A)  Pseudoglandular 
B)  Saccular 
C)  Alveolar 
D)  Canalicular

Exam 1: Fetal Lung Development

Which of the following tests of the amniotic fluid have been shown to be sensitive indicators of lung maturity?

What is the purpose of the substance secreted by the type II pneumocyte?

Which of the following mechanisms are responsible for the possible association between oligohydramnios and lung hypoplasia? I. Abnormal carbohydrate metabolism II. Mechanical restriction of the chest wall III. Interference with fetal breathing IV. Failure to produce fetal lung liquid

Regarding postnatal lung growth, by approximately what age do most of the alveoli that will be present in the lungs for life develop?

The lung bud emerges from which of the following structures?

The respiratory therapist is evaluating a newborn with mild respiratory distress due to tracheal stenosis. During which period of lung development did this problem develop?

Approximately how much fetal lung fluid is secreted daily?

Which of the following phases of human lung development is characterized by the formation of a capillary network around airway passages?

Fetal Gas Exchange and Circulation

Antenatal Assessment and High-Risk Delivery

Examination and Assessment of the Neonatal and Pediatric Patient

Pulmonary Function Testing and Bedside Pulmonary Mechanics

Radiographic Assessment

Pediatric Flexible Bronchoscopy

Invasive Blood Gas Analysis and Cardiovascular Monitoring

Noninvasive Monitoring in Neonatal and Pediatric Care

Oxygen Administration

Aerosols and Administration of Inhaled Medications

Airway Clearance Techniques and Hyperinflation Therapy

Airway Management

Surfactant Replacement Therapy

Noninvasive Mechanical Ventilation and Continuous Positive Pressure of the Neonate

Noninvasive Mechanical Ventilation of the Infant and Child

Invasive Mechanical Ventilation of the Neonate and Pediatric Patient

Administration of Gas Mixtures

Extracorporeal Membrane Oxygenation

Pharmacology

Thoracic Organ Transplantation

Neonatal Pulmonary Disorders

Surgical Disorders in Childhood That Affect Respiratory Care

Congenital Cardiac Defects

Pediatric Sleep-Disordered Breathing

Pediatric Airway Disorders and Parenchymal Lung Diseases

Asthma

Cystic Fibrosis

Acute Respiratory Distress Syndrome

Shock

Pediatric Trauma

Disorders of the Pleura

Neurological and Neuromuscular Disorders

Transport of Infants and Children

Home Care

Quality and Safety

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