Question 1

At what gestational age are all of the subsegmental bronchi present?

Accepted Answer

A)  16 weeks 
B)  10 weeks 
C)  5 weeks 
D)  20 weeks 
A)  16 weeks 
B)  10 weeks 
C)  5 weeks 
D)  20 weeks

Question 2

At what gestational age do lung buds first appear?

Accepted Answer

A)  24th day 
B)  28th day 
C)  16th week 
D)  21st week 
A)  24th day 
B)  28th day 
C)  16th week 
D)  21st week

Question 3

At what gestational age does the placenta begin to develop?

Accepted Answer

A)  at implantation of the fertilized egg 
B)  Day 3 
C)  Day 5 
D)  Day 7 
A)  at implantation of the fertilized egg 
B)  Day 3 
C)  Day 5 
D)  Day 7

Question 4

In the fetus,where does the majority of blood flow go after leaving the right atrium?

Accepted Answer

A)  left atrium 
B)  right ventricle 
C)  left ventricle 
D)  pulmonary artery 
A)  left atrium 
B)  right ventricle 
C)  left ventricle 
D)  pulmonary artery

Question 5

What is the average lung compliance of a neonate?

Accepted Answer

A)  0.005 L/cm H20 
B)  0.5 L/cm H20 
C)  0.050 L/cm H20 
D)  0.005 mL/cm H20 
A)  0.005 L/cm H20 
B)  0.5 L/cm H20 
C)  0.050 L/cm H20 
D)  0.005 mL/cm H20

Question 6

How many alveoli would be expected in a 12 year old child?

Accepted Answer

A)  > 240 million 
B)  24 million 
C)  50 million 
D)  100 million 
A)  > 240 million 
B)  24 million 
C)  50 million 
D)  100 million

Question 7

Which of the following contribute to the wide variance between maternal and fetal PO2 and PCO2?
I.The placenta is an actively metabolizing organ
II.Regional variations occur in placental permeability
III.Maternal and fetal vascular shunts occur

Accepted Answer

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

Question 8

Which of the following structure would compose the plavental cotyledons?
I.Fetal vessels
II.Chorionic villi
III.Intervillous spaces

Accepted Answer

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

Question 9

Which of the following would be most likely to develop after delivery of a newborn at 27 weeks gestational age?

Accepted Answer

A)  PPHN 
B)  meconium aspiration 
C)  Tetralogy of Fallot 
D)  Coarctation of the aorta 
A)  PPHN 
B)  meconium aspiration 
C)  Tetralogy of Fallot 
D)  Coarctation of the aorta

Question 10

What is the normal PO₂ in the umbilical arteries?

Accepted Answer

A)  20 mm Hg 
B)  40 mm Hg 
C)  55 mm Hg 
D)  80 mm Hg 
A)  20 mm Hg 
B)  40 mm Hg 
C)  55 mm Hg 
D)  80 mm Hg

Question 11

At what gestational age do primitive respiratory bronchioles appear?

Accepted Answer

A)  17-24 weeks 
B)  12-16 weeks 
C)  25-28 weeks 
D)  8-12 weeks 
A)  17-24 weeks 
B)  12-16 weeks 
C)  25-28 weeks 
D)  8-12 weeks

Question 12

What is the normal tidal volume and TLC of an average newborn?

Accepted Answer

A)  Tidal volume 15 mL and TLC 155 mL 
B)  Tidal volume 40 mL and TLC 300 mL 
C)  Tidal volume 50 mL and TLC 400 mL 
D)  Tidal volume 75 mL and TLC 500 mL 
A)  Tidal volume 15 mL and TLC 155 mL 
B)  Tidal volume 40 mL and TLC 300 mL 
C)  Tidal volume 50 mL and TLC 400 mL 
D)  Tidal volume 75 mL and TLC 500 mL

Question 13

What of the following factors cause a reduction in the pulmonary vascular resistance following the first breath?
I.Increased alveolar pressure of oxygen
II.Removal of lung fluid which reduces pressure on pulmonary vessels
III.Increase in lung volumewhich widens the caliber of extralveolar vessels

Accepted Answer

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

Question 14

At what gestational age after fertilization do primitive lobar bronchi first appear?

Accepted Answer

A)  30-32 days 
B)  24-26 days 
C)  42-45 days 
D)  38-40 days 
A)  30-32 days 
B)  24-26 days 
C)  42-45 days 
D)  38-40 days

Question 15

If a registered repiratory therapist succesfully completes the NBRC's neonatal/pediatric specialty credential,what credential would be awarded?

Accepted Answer

A)  RRT-NPS 
B)  CRT-NPS 
C)  NPRCS 
D)  None-no such credential exists 
A)  RRT-NPS 
B)  CRT-NPS 
C)  NPRCS 
D)  None-no such credential exists

At what gestational age are all of the subsegmental bronchi present?

At what gestational age do lung buds first appear?

At what gestational age does the placenta begin to develop?

In the fetus,where does the majority of blood flow go after leaving the right atrium?

What is the average lung compliance of a neonate?

How many alveoli would be expected in a 12 year old child?

Which of the following contribute to the wide variance between maternal and fetal P_O2 and P_CO2? I.The placenta is an actively metabolizing organ II.Regional variations occur in placental permeability III.Maternal and fetal vascular shunts occur

Which of the following structure would compose the plavental cotyledons? I.Fetal vessels II.Chorionic villi III.Intervillous spaces

Which of the following would be most likely to develop after delivery of a newborn at 27 weeks gestational age?

What is the normal PO₂ in the umbilical arteries?

At what gestational age do primitive respiratory bronchioles appear?

What is the normal tidal volume and TLC of an average newborn?

What of the following factors cause a reduction in the pulmonary vascular resistance following the first breath? I.Increased alveolar pressure of oxygen II.Removal of lung fluid which reduces pressure on pulmonary vessels III.Increase in lung volumewhich widens the caliber of extralveolar vessels

At what gestational age after fertilization do primitive lobar bronchi first appear?

If a registered repiratory therapist succesfully completes the NBRC's neonatal/pediatric specialty credential,what credential would be awarded?

The Anatomy and Physiology of the Respiratory System

Ventilation

Pulmonary Function Measurements

The Diffusion of Pulmonary Gases

The Anatomy and Physiology of the Circulatory System

Oxygen and Carbon DioxideTransport

Acid Base Balance

Ventilation Perfusion Relationships

Control of Ventilation

Aging and the Cardiopulmonary System

Electrophysiology of the Heart

The Standard 12 ECG System

ECG Interpretation

Hemodynamic Measurements

Renal Failure and Its Effects on the Cardiopulmonary System

Sleep Physiology and Its Relationship to the Cardiopulmonary System

Exercise and Its Effects on the Cardiopulmonary System

High Altitude and Its Effects on the Cardiopulmonary System

High Pressure Environments and Their Effects on the Cardiopulmonary System

Filters

Exam 10: Fetal Development and the Cardiopulmonary System

At what gestational age are all of the subsegmental bronchi present?

At what gestational age do lung buds first appear?

At what gestational age does the placenta begin to develop?

In the fetus,where does the majority of blood flow go after leaving the right atrium?

What is the average lung compliance of a neonate?

How many alveoli would be expected in a 12 year old child?

Which of the following contribute to the wide variance between maternal and fetal PO2 and PCO2? I.The placenta is an actively metabolizing organ II.Regional variations occur in placental permeability III.Maternal and fetal vascular shunts occur

Which of the following structure would compose the plavental cotyledons? I.Fetal vessels II.Chorionic villi III.Intervillous spaces

Which of the following would be most likely to develop after delivery of a newborn at 27 weeks gestational age?

What is the normal PO₂ in the umbilical arteries?

At what gestational age do primitive respiratory bronchioles appear?

What is the normal tidal volume and TLC of an average newborn?

What of the following factors cause a reduction in the pulmonary vascular resistance following the first breath? I.Increased alveolar pressure of oxygen II.Removal of lung fluid which reduces pressure on pulmonary vessels III.Increase in lung volumewhich widens the caliber of extralveolar vessels

At what gestational age after fertilization do primitive lobar bronchi first appear?

If a registered repiratory therapist succesfully completes the NBRC's neonatal/pediatric specialty credential,what credential would be awarded?

The Anatomy and Physiology of the Respiratory System

Ventilation

Pulmonary Function Measurements

The Diffusion of Pulmonary Gases

The Anatomy and Physiology of the Circulatory System

Oxygen and Carbon DioxideTransport

Acid Base Balance

Ventilation Perfusion Relationships

Control of Ventilation

Aging and the Cardiopulmonary System

Electrophysiology of the Heart

The Standard 12 ECG System

ECG Interpretation

Hemodynamic Measurements

Renal Failure and Its Effects on the Cardiopulmonary System

Sleep Physiology and Its Relationship to the Cardiopulmonary System

Exercise and Its Effects on the Cardiopulmonary System

High Altitude and Its Effects on the Cardiopulmonary System

High Pressure Environments and Their Effects on the Cardiopulmonary System

Filters

Which of the following contribute to the wide variance between maternal and fetal P_O2 and P_CO2? I.The placenta is an actively metabolizing organ II.Regional variations occur in placental permeability III.Maternal and fetal vascular shunts occur