Embryonic and Fetal Development Worksheet

Question 1

Considerations for a good sperm production:

Answer 1

caffeine, not smoking, avoiding tight underwear, avoiding hot baths

Question 2

once sperm penetrates the egg, can other sperm cells enter and still compete?

Answer 2

no

Question 3

whose chromosomes determine the sex of the future baby?

Answer 3

father’s

Question 4

what is the significance of stem cells?

Answer 4

they can turn into any type of cell and grow into any certain part of the body

Question 5

maternal blood volume is increased by __%

Answer 5

50%

Question 6

which organ is formed first?

Answer 6

heart

Question 7

at four weeks which organs start to form?

Answer 7

heart, skin

Question 8

when does the embryo become a fetus?

Answer 8

8weeks

Question 9

what are some important functions of the placenta?

Answer 9

provide nutrients, filters waste, produces hormones

Question 10

What are the dangers of ultrasound scans?

Answer 10

change in brain cells, linked to decreased weight in fetus

Question 11

When does the second trimester start?

Answer 11

12 weeks

Question 12

When do most miscarriages happen (gestational age, trimester)?

Answer 12

first 3 months, 1st trimester

Question 13

Which extremities develop first: hands or feet?

Answer 13

hands

Question 14

What senses are developed in intrauterine environment?

Answer 14

touch, taste, hearing, smell

Question 15

What sense is the most developed at 3 month gestation?

Answer 15

hearing

Question 16

What is the purpose of swallowing while inside the womb?

Answer 16

helps digestive system develop and maintain fluid balance

Question 17

which assessment data provides a good indication of fetal general condition?

Answer 17

monitoring heart beat

Question 18

How does maternal stress affect fetal development?

Answer 18

increase BPandHR can filter to fetus - HR will rise low birth weight, prematurity - mental development

Question 19

Which major organ is formed last?

Answer 19

lungs

Question 20

What is surfactant and what is its role?

Answer 20

liquid lipid produced for lungs, reduce surface tension of fluid in lungs

Question 21

Which trimester is the most comfortable for mothers?

Answer 21

second trimester