RN OB Antepartum NGN-NCLEX Questions
first trimester: weeks - ANSWER: 0-13
first trimester: achievements - ANSWER: major organ formation
second trimester: weeks - ANSWER: 12-26
second trimester: achievements - ANSWER: growth and development
third trimester: weeks - ANSWER: 27-40
third trimester: achievements - ANSWER: development and weight gain
preconception: nutrition - ANSWER: - healthy diet prior to conception
- 400mcg folate (decreases risks of neural tube defects)
hormones involved in pregnancy - ANSWER: - human chorionic gonadotropin (hCG)
- human chorionic somatomammotropin (human placental lactogen)
- estrogen
- progesterone
- relaxin
- prostaglandins
placenta: formation - ANSWER: begins to form at implantation
- maternal-placental-embryonic circulation in place on day 17
placenta: function - ANSWER: - metabolic exchange
- oxygen diffuses from maternal blood to the placenta and carbon dioxide diffuses in
the opposite direction
- endocrine gland regulating hormones
placenta: metabolic functions - ANSWER: - respiration
- nutrition
- excretion
- storage
umbilical cord - ANSWER: 2 arteries and 1 vein
LMP/LNMP - ANSWER: last normal menstrual period
EDD/EDC/EDB - ANSWER: estimated due date
gestation - ANSWER: weeks from conception
viability - ANSWER: capacity to live outside the uterus (~24 weeks)
, presumptive signs of pregnancy - ANSWER: - nausea and vomiting
- amenorrhea
- breast changes
- fatigue
- urinary frequency
- quickening
probable signs of pregnancy - ANSWER: - positive pregnancy test
- enlargement of the uterus
- godells's sign
- chadwick's sign
- hegar's sign
- mcdonald's sign
godell's sign - ANSWER: softening of the cervix
chadwick's sign - ANSWER: blue/purple discoloration of the cervix
hegar's sign - ANSWER: softening of the lower uterine segment
mcdonald's sign - ANSWER: ease in flexing the body of the uterus against the cervix,
fundal height
positive/diagnostic signs of pregnancy - ANSWER: - fetal heartbeat (~12 weeks)
- fetal movement (~14-16 weeks, felt by examiner)
- visualization of fetus (ultrasound)
term - ANSWER: between 37 weeks 0 days and 41 weeks 6 days
preterm - ANSWER: pregnancy that has reached 20 weeks gestation but ends before
37 weeks
postterm - ANSWER: pregnancy that is 42 weeks and beyond
gravida - ANSWER: a woman who is pregnant
parity - ANSWER: number of pregnancies in which the fetuses have reached 20
weeks gestation
nullipara - ANSWER: a woman who has not completed a pregnancy with a fetus or
fetuses beyond 20 weeks
primigravida - ANSWER: pregnant for the first time
primipara - ANSWER: has completed one pregnancy with a fetus or fetuses who has
reached 20 weeks gestation
first trimester: weeks - ANSWER: 0-13
first trimester: achievements - ANSWER: major organ formation
second trimester: weeks - ANSWER: 12-26
second trimester: achievements - ANSWER: growth and development
third trimester: weeks - ANSWER: 27-40
third trimester: achievements - ANSWER: development and weight gain
preconception: nutrition - ANSWER: - healthy diet prior to conception
- 400mcg folate (decreases risks of neural tube defects)
hormones involved in pregnancy - ANSWER: - human chorionic gonadotropin (hCG)
- human chorionic somatomammotropin (human placental lactogen)
- estrogen
- progesterone
- relaxin
- prostaglandins
placenta: formation - ANSWER: begins to form at implantation
- maternal-placental-embryonic circulation in place on day 17
placenta: function - ANSWER: - metabolic exchange
- oxygen diffuses from maternal blood to the placenta and carbon dioxide diffuses in
the opposite direction
- endocrine gland regulating hormones
placenta: metabolic functions - ANSWER: - respiration
- nutrition
- excretion
- storage
umbilical cord - ANSWER: 2 arteries and 1 vein
LMP/LNMP - ANSWER: last normal menstrual period
EDD/EDC/EDB - ANSWER: estimated due date
gestation - ANSWER: weeks from conception
viability - ANSWER: capacity to live outside the uterus (~24 weeks)
, presumptive signs of pregnancy - ANSWER: - nausea and vomiting
- amenorrhea
- breast changes
- fatigue
- urinary frequency
- quickening
probable signs of pregnancy - ANSWER: - positive pregnancy test
- enlargement of the uterus
- godells's sign
- chadwick's sign
- hegar's sign
- mcdonald's sign
godell's sign - ANSWER: softening of the cervix
chadwick's sign - ANSWER: blue/purple discoloration of the cervix
hegar's sign - ANSWER: softening of the lower uterine segment
mcdonald's sign - ANSWER: ease in flexing the body of the uterus against the cervix,
fundal height
positive/diagnostic signs of pregnancy - ANSWER: - fetal heartbeat (~12 weeks)
- fetal movement (~14-16 weeks, felt by examiner)
- visualization of fetus (ultrasound)
term - ANSWER: between 37 weeks 0 days and 41 weeks 6 days
preterm - ANSWER: pregnancy that has reached 20 weeks gestation but ends before
37 weeks
postterm - ANSWER: pregnancy that is 42 weeks and beyond
gravida - ANSWER: a woman who is pregnant
parity - ANSWER: number of pregnancies in which the fetuses have reached 20
weeks gestation
nullipara - ANSWER: a woman who has not completed a pregnancy with a fetus or
fetuses beyond 20 weeks
primigravida - ANSWER: pregnant for the first time
primipara - ANSWER: has completed one pregnancy with a fetus or fetuses who has
reached 20 weeks gestation
