Neonatal And Pediatric Respiratory Care by Perretta - Test Bank

Chapter 2 Fetal Cardiopulmonary Development

Multiple Choice

1. What percentage of live births occurs before the 37-week gestation period?

A. 10%

B. 15%

C. 12%

D. 18%

ANS: C

2. What measuring tool for due date estimation is effective at young gestational age as a result of size variability being minimal?

A. Biparietal diameter

B. Crown-rump

C. Transverse diameter of the head

D. Head circumference

ANS: B

3. During which lung development stage do the right and left lung buds arise from the esophagus?

A. Canalicular phase

B. Pseudoglandular phase

C. Saccular phase

D. Embryonic phase

ANS: D

4. Starting at which week during the gestational period can the presence of mucus be found in the fetal lung? 

A. 13 weeks

B. 12 weeks

C. 14 weeks

D. 11 weeks

ANS: A

5. During which gestational phase have the airways begun to branch to approximately four generations?

A. Embryonic phase

B. Saccular phase

C. Pseudoglandular phase

D. Canalicular phase

ANS: C

6. Fetal lung fluid composition consists of which of the following?

A. Very high pH, low bicarbonate and protein levels, lower sodium and high chloride concentrations

B. Very low pH, low bicarbonate and protein levels, higher sodium and high chloride concentrations

C. Very low pH, low bicarbonate and protein levels, lower sodium and low chloride concentrations

D. Very high pH, low bicarbonate and protein levels, high sodium and low chloride concentrations

ANS: B

7. During which lung development phase does phosphatidylglycerol (PG) first appear?

A. Saccular phase

B. Pseudoglandular phase

C. Canalicular phase

D. Alveolar phase

ANS: A

8. At the end of which phase does mature surfactant begin to appear, so that the neonate is at minimal risk of pulmonary complications?

A. Alveolar phase

B. Saccular phase

C. Canalicular phase

D. Pseudoglandular phase

ANS: B

9. At which week of development is the one-chambered heart efficiently pumping blood to the embryo?

A. 3 weeks

B. 5 weeks

C. 4 weeks

D. 2 weeks

ANS: C

10. Which of the following statements is not true about the germinal matrix?

A. The germinal matrix is a weakly supported and highly vascularized area at the surface of the lateral