Question 1

What is the normal PO2 in the umbilical arteries?

Accepted Answer

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

Question 2

What is the average lung compliance of a neonate?

Accepted Answer

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

Question 3

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 A

Question 4

What is the normal respiratory rate of an average newborn?

Accepted Answer

A)  35-50/min 
B)  46-69/min 
C)  25-35/min 
D)  60-80/min 
A)  35-50/min 
B)  46-69/min 
C)  25-35/min 
D)  60-80/min

Question 5

What response would be expected if a newborn of 28 weeks gestational age received endotracheal suctioning?

Accepted Answer

A)  no change in respiratory rate would occur 
B)  bradypnea or apnea would occur 
C)  tachypnea would occur followed by apnea 
D)  the newborn would take a breath on top of a breath 
A)  no change in respiratory rate would occur 
B)  bradypnea or apnea would occur 
C)  tachypnea would occur followed by apnea 
D)  the newborn would take a breath on top of a breath

Question 6

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

Accepted Answer

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

Question 7

What is the term for the premature separation of the placenta from the uterine wall?

Accepted Answer

A)  placenta percreta 
B)  placenta accreta 
C)  placenta previa 
D)  abruptio placentae 
A)  placenta percreta 
B)  placenta accreta 
C)  placenta previa 
D)  abruptio placentae

Question 8

Where does fetal lung fluid originate?

Accepted Answer

A)  from the stomach and esophagus 
B)  from maternal lymph vessels 
C)  from alveolar cells 
D)  from aspiration of amniotic fluid 
A)  from the stomach and esophagus 
B)  from maternal lymph vessels 
C)  from alveolar cells 
D)  from aspiration of amniotic fluid

Question 9

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 volume, which widens the caliber of extralveolar vessels

Accepted Answer

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

Question 10

What is the most common cause of respiratory failure in preterm infants?

Accepted Answer

A)  BPD 
B)  RDS 
C)  pneumonia 
D)  meconium aspiration 
A)  BPD 
B)  RDS 
C)  pneumonia 
D)  meconium aspiration

Question 11

During the first 72 hours in the life of a healthy newborn, what changes would be expected in arterial blood gases?
I. pH would increase
II. PaCO2 would decrease
III. HCO3- would increase
IV. PaO2 would increase

Accepted Answer

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

Question 12

At what gestational age does the placenta begin to develop?

Accepted Answer

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

Question 13

In a full-term newborn, how many alveoli are present at birth?

Accepted Answer

A)  240 million 
B)  200 million 
C)  24 million 
D)  50 million 
A)  240 million 
B)  200 million 
C)  24 million 
D)  50 million

Question 14

What is the term for the procedure in which a sample of the fluid surrounding a fetus is removed via a needle inserted through the uterine wall and the fluid sample is analyzed for abnormalities?

Accepted Answer

A)  chorionic villi sampling 
B)  thoracentesis 
C)  amniocentesis 
D)  sonography 
A)  chorionic villi sampling 
B)  thoracentesis 
C)  amniocentesis 
D)  sonography

Question 15

At what gestational age after fertilization are all major bronchi present?

Accepted Answer

A)  pseudoglandular 
B)  canalicular 
C)  embryonic period 
D)  terminal saccular 
A)  pseudoglandular 
B)  canalicular 
C)  embryonic period 
D)  terminal saccular

Question 16

What would you conclude regarding a fetus' lung maturity if the S:A ratio equaled 60?

Accepted Answer

A)  uncertain lung maturity 
B)  unable to make a conclusion since the S:A ratio does not assess lung maturity 
C)  fetal lung maturity 
D)  immature fetal lungs 
A)  uncertain lung maturity 
B)  unable to make a conclusion since the S:A ratio does not assess lung maturity 
C)  fetal lung maturity 
D)  immature fetal lungs

Question 17

At what gestational age do primitive respiratory bronchioles appear?

Accepted Answer

A)  12-16 weeks 
B)  25-28 weeks 
C)  17-26 weeks 
D)  8-12 weeks 
A)  12-16 weeks 
B)  25-28 weeks 
C)  17-26 weeks 
D)  8-12 weeks

Question 18

Constriction of the ductus arteriosus occurs in response to

Accepted Answer

A)  the newborn's increased PO2 
B)  the increase in blood pressure in the left atrium 
C)  the increase in blood pressure in the pulmonary artery 
D)  the newborn's decreased pH 
A)  the newborn's increased PO2 
B)  the increase in blood pressure in the left atrium 
C)  the increase in blood pressure in the pulmonary artery 
D)  the newborn's decreased pH

Question 19

At what gestational age do lung buds first appear?

Accepted Answer

A)  16th week 
B)  26th day 
C)  21st week 
D)  28th day 
A)  16th week 
B)  26th day 
C)  21st week 
D)  28th day

Question 20

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

Accepted Answer

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

What is the normal P_O₂ in the umbilical arteries?

What is the average lung compliance of a neonate?

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

What is the normal respiratory rate of an average newborn?

What response would be expected if a newborn of 28 weeks gestational age received endotracheal suctioning?

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

What is the term for the premature separation of the placenta from the uterine wall?

Where does fetal lung fluid originate?

What is the most common cause of respiratory failure in preterm infants?

During the first 72 hours in the life of a healthy newborn, what changes would be expected in arterial blood gases? I. pH would increase II. PaCO₂ would decrease III. HCO₃- would increase IV. PaO₂ would increase

At what gestational age does the placenta begin to develop?

In a full-term newborn, how many alveoli are present at birth?

What is the term for the procedure in which a sample of the fluid surrounding a fetus is removed via a needle inserted through the uterine wall and the fluid sample is analyzed for abnormalities?

At what gestational age after fertilization are all major bronchi present?

What would you conclude regarding a fetus' lung maturity if the S:A ratio equaled 60?

At what gestational age do primitive respiratory bronchioles appear?

Constriction of the ductus arteriosus occurs in response to

At what gestational age do lung buds first appear?

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

The Anatomy and Physiology of the Respitory System

Ventilation

Pulmonary Function Measurements

The Diffusion of Pulmonary Gases

The Anatomy and Physiology of the Circulatory System

Oxygen and Carbon Dioxide Transport

Acid-Base Balance and Regulation

Ventilation-Perfusion Relationships

Control of Ventilation

Aging and the Cardiopulmonary System

Electrophysiology of the Heart

The Standard 12-Ecg Lead 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

What is the normal PO2 in the umbilical arteries?

What is the average lung compliance of a neonate?

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

What is the normal respiratory rate of an average newborn?

What response would be expected if a newborn of 28 weeks gestational age received endotracheal suctioning?

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

What is the term for the premature separation of the placenta from the uterine wall?

Where does fetal lung fluid originate?

What is the most common cause of respiratory failure in preterm infants?

During the first 72 hours in the life of a healthy newborn, what changes would be expected in arterial blood gases? I. pH would increase II. PaCO2 would decrease III. HCO3- would increase IV. PaO2 would increase

At what gestational age does the placenta begin to develop?

In a full-term newborn, how many alveoli are present at birth?

What is the term for the procedure in which a sample of the fluid surrounding a fetus is removed via a needle inserted through the uterine wall and the fluid sample is analyzed for abnormalities?

At what gestational age after fertilization are all major bronchi present?

What would you conclude regarding a fetus' lung maturity if the S:A ratio equaled 60?

At what gestational age do primitive respiratory bronchioles appear?

Constriction of the ductus arteriosus occurs in response to

At what gestational age do lung buds first appear?

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

The Anatomy and Physiology of the Respitory System

Ventilation

Pulmonary Function Measurements

The Diffusion of Pulmonary Gases

The Anatomy and Physiology of the Circulatory System

Oxygen and Carbon Dioxide Transport

Acid-Base Balance and Regulation

Ventilation-Perfusion Relationships

Control of Ventilation

Aging and the Cardiopulmonary System

Electrophysiology of the Heart

The Standard 12-Ecg Lead 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

What is the normal P_O₂ in the umbilical arteries?

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

During the first 72 hours in the life of a healthy newborn, what changes would be expected in arterial blood gases? I. pH would increase II. PaCO₂ would decrease III. HCO₃- would increase IV. PaO₂ would increase