Answers
A nurse is teaching a prenatal class on fetal growth and development. In which
gestational week does the nurse inform the parents that the heart begins to beat?
a. second
b. third
c. fourth
d. sixth - answerA
A nurse is teaching a prenatal class about placental development and functions. Which
information about the placenta is best?
a. cushions the fetus and protects it against mechanical injury
b. is the site of hematopoiesis during the first two gestational weeks
c. produces Wharton's jelly that surrounds the umbilical blood vessels
d. provides oxygenation, nutrition, hormones, and waste removal - answerD
A faculty member is teaching a nursing class about fetal circulation. The faculty member
explains that most blood bypasses the liver and enters the inferior vena cave through
the
a. ductus arteriosus
b. doctor venosus
c. foramen ovale
d. pulmonary artery - answerB
Which heart valve prevents regurgitation of blood from he pulmonary artery into the right
ventricle?
a. aortic
b. mitral
c. pulmonary
d. tricuspid - answerC
A nurse suspects an infant of having advanced heart failure. Which clinical
manifestation of heart failure did the nurse assess to reach this conclusion?
a. enlarged liver
b. feeding problems
c. poor growth
c. sweating excessively - answerA
Which hormone is partly responsible for ensuring that the ductus artists closes
normally?
a. estrogen
b. human growth hormone