Nur 235 Exam 1 Questions and Answers
100% Solved
Teratogens agents, such as chemicals and viruses, that can reach the embryo or fetus
during prenatal development and cause harm
ex: radiation. smoke, drugs,
Dizygotic fraternal twins (2 sacks)
MONOzygotic Identical twins (1sack)
Fertilization
Implantation 3-4 days to travel
5-6days
ovum,
embryo,
,fetus conception to 14d
days 15-8w
starts at 9w
Amniotic Sac cushion, temp. regulation, freedom of movement, allows symetrical growth
NO NUTRITIONAL VALUE
If low amniotic fluid check? Check baby's kidneys
POLYhydramnios
OLIgohydramnios too much baby juice (1500-2000ml)
too little baby juice (>750ml)
meconnium first baby shit
Umbilical cord veins do?
Umbilical cord arteries do? ARTERy= AWAY (2 arteries)
, VEIN= To (1 vein)
placenta fully functional by 8-10 weeks
metabolic exchange happens here
Viability - ability to live outside uterus (22-25w very earliest maybe)
1st Trimester 1-13w
2nd Trimester 14-26 weeks
3rd trimester 27-40w
Pregnancy tests detect? HcG
best to test first thing in the morning
High HCG could indicate? malformations
100% Solved
Teratogens agents, such as chemicals and viruses, that can reach the embryo or fetus
during prenatal development and cause harm
ex: radiation. smoke, drugs,
Dizygotic fraternal twins (2 sacks)
MONOzygotic Identical twins (1sack)
Fertilization
Implantation 3-4 days to travel
5-6days
ovum,
embryo,
,fetus conception to 14d
days 15-8w
starts at 9w
Amniotic Sac cushion, temp. regulation, freedom of movement, allows symetrical growth
NO NUTRITIONAL VALUE
If low amniotic fluid check? Check baby's kidneys
POLYhydramnios
OLIgohydramnios too much baby juice (1500-2000ml)
too little baby juice (>750ml)
meconnium first baby shit
Umbilical cord veins do?
Umbilical cord arteries do? ARTERy= AWAY (2 arteries)
, VEIN= To (1 vein)
placenta fully functional by 8-10 weeks
metabolic exchange happens here
Viability - ability to live outside uterus (22-25w very earliest maybe)
1st Trimester 1-13w
2nd Trimester 14-26 weeks
3rd trimester 27-40w
Pregnancy tests detect? HcG
best to test first thing in the morning
High HCG could indicate? malformations
