Worksheets2nd Trimester Fetal Development Quiz
Total questions: 16
Worksheet time: 16mins
Which of these develops around Week 14?
Vernix caseosa
Lanugo
Moro reflex
Surfactant
At Weeks 15–16, what might the fetus be doing?
Thumb-sucking
REM sleep
Startle reflex
Developing fingerprints
Brown fat, which helps regulate body temperature after birth, begins forming at:
Weeks 14–15
Weeks 15–16
Weeks 17–18
Weeks 25–27
Which milestone belongs to Weeks 19–21?
Surfactant forms in lungs
Vernix caseosa covers skin
Prostate gland forms
Eyebrows visible
During Weeks 22–24, the fetus begins to:
Develop fingerprints
Produce thyroid hormones
Develop motor neurons
Show REM sleep
Which milestone is part of Weeks 25–27?
Taste buds develop
Moro reflex begins
Thyroid begins working
Digestive glands complete
At the end of the second trimester, the baby is about the size of a:
Lemon
Apple
Bell pepper
Cauliflower
Which of these developments helps the baby’s lungs work after birth?
Surfactant
Vernix caseosa
Brown fat
Motor neurons
What protective coating forms on the baby’s skin around Weeks 19–21?
Lanugo
Vernix caseosa
Surfactant
Myelin
Which milestone does NOT belong in the second trimester?
Thumb-sucking
REM sleep
Surfactant production
Birth
Which milestone happens around Week 14?
Lanugo develops
REM sleep begins
Surfactant forms in lungs
Eyebrows become visible
At Weeks 15–16, the fetus may:
Begin producing brown fat
Suck its thumb
Show the Moro reflex
Grow fingerprints
At Weeks 17–18, which is true?
Surfactant begins to form in the lungs
Vernix covers the skin
Taste buds develop
REM sleep begins
During Weeks 19–21, the baby…
Begins REM sleep
Develops motor neurons rapidly
Responds to familiar sounds
Develops the thyroid gland
At Weeks 25–27, which milestone appears?
Brown fat forms
Eyebrows become visible
Moro reflex begins
Thyroid starts producing hormones
A fertilized egg develops in the
the cervix
the uterus
an ovary
the vagina
