FETAL DEVT Flashcards
At what stage does the neural tube begin to form?
a) Week 5-8
b) Week 1-4
c) Week 9-12
d) Week 13-16
When does the heart start beating?
a) Around day 22
b) Week 8
c) Week 12
d) Week 16
A
During which week does the embryo officially become a fetus?
a) Week 4
b) Week 6
c) Week 8
d) Week 12
C
By the end of the first trimester, which of the following is true?
a) The fetus has fully developed lungs.
b) Reflexes begin to develop.
c) The fetus is viable outside the womb.
d) The bones are fully hardened
B
When does the fetus start responding to sound?
a) Weeks 13-16
b) Weeks 17-20
c) Weeks 21-24
d) Weeks 25-28
B
What is lanugo?
a) A protective skin coating
b) A type of fetal hair
c) The first bone structure
d) The fetal digestive system
B
At what point do fingerprints and footprints form?
a) Weeks 13-16
b) Weeks 17-20
c) Weeks 21-24
d) Weeks 25-28
C
At how many weeks does the fetus have a chance of survival outside the womb with medical support?
a) 20 weeks
b) 22 weeks
c) 24 weeks
d) 28 weeks
C
When do the lungs start producing surfactant?
a) Weeks 13-16
b) Weeks 21-24
c) Weeks 25-28
d) Weeks 33-36
C
What is the primary function of brown fat in the fetus?
a) Brain development
b) Nutrient storage
c) Temperature regulation
d) Muscle formation
C
At what stage does the fetus assume a head-down position in preparation for birth?
a) Weeks 21-24
b) Weeks 25-28
c) Weeks 33-36
d) Weeks 37-40
C
When is a baby considered full-term?
a) Week 35
b) Week 36
c) Week 37
d) Week 39
D
What major organ begins to function around week 5-6?
a) Brain
b) Lungs
c) Heart
d) Kidneys
C
When do limb buds first appear?
a) Weeks 1-4
b) Weeks 5-8
c) Weeks 9-12
d) Weeks 13-16
A
Which of the following is not a characteristic of fetal development by week 12?
a) Sex organs become distinct
b) Reflexes start developing
c) The fetus can survive outside the womb
d) Facial features are forming
C
At what stage do intestines move into the abdomen?
a) Weeks 5-8
b) Weeks 9-12
c) Weeks 13-16
d) Weeks 17-20
B
When does skeletal ossification (hardening of bones) begin?
a) Weeks 9-12
b) Weeks 13-16
c) Weeks 17-20
d) Weeks 21-24
B
What is vernix caseosa?
a) A protective skin coating
b) A type of fetal movement
c) The fetal digestive system
d) A type of hormone
A
When does the fetus start swallowing and sucking?
a) Weeks 9-12
b) Weeks 13-16
c) Weeks 17-20
d) Weeks 21-24
B
At how many weeks does the fetus begin developing a sleep-wake cycle?
a) Weeks 13-16
b) Weeks 17-20
c) Weeks 21-24
d) Weeks 25-28
C
What major neurological event occurs between weeks 25-28?
a) Reflex development
b) Brain growth and increased neural connections
c) Heart development completion
d) Skeletal ossification completion
B
When do the eyes open and start blinking?
a) Weeks 17-20
b) Weeks 21-24
c) Weeks 25-28
d) Weeks 29-32
C
What is the primary reason for weight gain in the third trimester?
a) Increased blood flow
b) Storage of fat for energy and temperature regulation
c) Skeletal growth
d) Lung expansion
B
At what week is the baby’s organ system fully developed and prepared for birth?
a) Week 32
b) Week 36
c) Week 39
d) Week 41
C
A pregnant woman at her first ultrasound is told that the baby’s heart has started beating. Based on this, what is the earliest possible gestational age of the fetus?
a) 2 weeks
b) 4 weeks
c) 6 weeks
d) 10 weeks
C
A woman in her 8th week of pregnancy asks whether she can determine the baby’s sex through ultrasound. What is the correct response?
a) Yes, the sex is fully visible.
b) No, external genitalia are not yet fully developed.
c) Yes, but only through amniocentesis.
d) No, fetal sex remains undetermined until birth.
B
Sex differentiation begins in the first trimester but is clearer in the second trimester)
. A doctor tells a couple that their baby has developed fingers and toes but still has webbing between them. Based on fetal development, at what stage is the pregnancy likely to be?
a) Week 4
b) Week 6-7
c) Week 10
d) Week 14
B
Fingers and toes begin forming around week 6, but webbing remains).
A pregnant woman in her 19th week reports feeling slight movements in her abdomen for the first time. What is the term for this sensation?
a) Braxton Hicks contractions
b) Quickening
c) Lanugo development
d) Vernix caseosa formation
B
A premature baby is born at 24 weeks. Which of the following is the biggest concern for survival?
a) Brain development
b) Lung immaturity and lack of surfactant
c) Kidney function
d) Skeletal ossification
B
A baby is born at 34 weeks. Which of the following is most likely true?
a) The lungs are fully developed and functioning normally.
b) The baby has little fat and may have difficulty regulating body temperature.
c) The baby will have difficulty forming new brain connections.
d) The digestive system is completely developed and functioning like a full-term baby.
B
A baby born at 37 weeks is classified as:
a) Preterm
b) Early-term
c) Full-term
d) Post-term
b) Early-term (Full-term is from 39 weeks onward, while 37-38 weeks is early-term).
