OB HESI STUDY QUESTIONS (TAKEN FROM HESI
NCLEX-RN BOOK) STUDY GUIDE WITH COMPLETE
SOLUTION!!
Q: What objective signs indicate that ovulation is occurring?
A: Signs include abundant, clear, stretchy cervical mucus (similar to egg whites),
an open cervical os, a brief drop in basal body temperature followed by a rise of
about 0.5–1°F, and a ferning pattern on microscopic exam.
Q: Ovulation typically happens how many days before the next menstrual period?
A: About 14 days before the next period.
Q: What are common ways to describe the length of pregnancy?
A: Pregnancy can be described as 10 lunar months, 9 calendar months, 3 trimesters
of approximately 3 months each, 40 weeks, or 280 days.
Q: Which maternal position promotes the best blood flow to the fetus and
placenta?
A: The knee-chest position offers optimal perfusion, but a left side-lying position is
most comfortable and helps relieve pressure on major abdominal vessels.
,Q: What are typical first-trimester discomforts and helpful relief measures?
A:
Nausea/Vomiting: Eat crackers or dry toast before getting out of bed.
Fatigue: Aim for 7–8 hours of uninterrupted sleep each night.
Q: What is Naegele’s Rule and what is the estimated due date for an LMP of
October 24?
A: Naegele’s Rule calculates the EDD by subtracting 3 months from the LMP and
adding 7 days.
LMP: October 24
EDD: July 31 (adjust year as needed)
Q: Where should the fundus be located at 20 weeks gestation?
A: At the level of the umbilicus.
Q: Approximately how much does the fetus weigh at 20 weeks?
,A: Around 300–400 grams.
Q: What does the fetus typically look like at 20 weeks gestation?
A: The fetus has hair, lanugo, and vernix, with very little subcutaneous fat.
Q: What psychosocial changes are common in the second trimester?
A: Growing acceptance of pregnancy and the emergence of maternal-fetal bonding
behaviors.
Q: When does hemodilution peak during pregnancy?
A: Between 28 and 32 weeks, often reflected by a decrease in hematocrit.
Q: What are key principles of expected weight gain in pregnancy?
A:
Total expected gain is about 24–30 pounds.
Weight gain should be steady.
, In the 2nd and 3rd trimesters, average gain is about 0.9 lb per week.
Q: How many additional calories should be consumed daily during pregnancy?
A: About 300 extra calories per day.
Q: How much milk or dairy should a pregnant woman consume daily?
A: Approximately 1 quart (or equivalent dairy servings).
Q: At how many weeks can fetal heart tones be heard using a Doppler device?
A: 10–12 weeks gestation.
Q: What is the typical prenatal visit schedule for a low-risk pregnancy?
A:
Monthly visits until 28 weeks
Every 2 weeks from 28–36 weeks
NCLEX-RN BOOK) STUDY GUIDE WITH COMPLETE
SOLUTION!!
Q: What objective signs indicate that ovulation is occurring?
A: Signs include abundant, clear, stretchy cervical mucus (similar to egg whites),
an open cervical os, a brief drop in basal body temperature followed by a rise of
about 0.5–1°F, and a ferning pattern on microscopic exam.
Q: Ovulation typically happens how many days before the next menstrual period?
A: About 14 days before the next period.
Q: What are common ways to describe the length of pregnancy?
A: Pregnancy can be described as 10 lunar months, 9 calendar months, 3 trimesters
of approximately 3 months each, 40 weeks, or 280 days.
Q: Which maternal position promotes the best blood flow to the fetus and
placenta?
A: The knee-chest position offers optimal perfusion, but a left side-lying position is
most comfortable and helps relieve pressure on major abdominal vessels.
,Q: What are typical first-trimester discomforts and helpful relief measures?
A:
Nausea/Vomiting: Eat crackers or dry toast before getting out of bed.
Fatigue: Aim for 7–8 hours of uninterrupted sleep each night.
Q: What is Naegele’s Rule and what is the estimated due date for an LMP of
October 24?
A: Naegele’s Rule calculates the EDD by subtracting 3 months from the LMP and
adding 7 days.
LMP: October 24
EDD: July 31 (adjust year as needed)
Q: Where should the fundus be located at 20 weeks gestation?
A: At the level of the umbilicus.
Q: Approximately how much does the fetus weigh at 20 weeks?
,A: Around 300–400 grams.
Q: What does the fetus typically look like at 20 weeks gestation?
A: The fetus has hair, lanugo, and vernix, with very little subcutaneous fat.
Q: What psychosocial changes are common in the second trimester?
A: Growing acceptance of pregnancy and the emergence of maternal-fetal bonding
behaviors.
Q: When does hemodilution peak during pregnancy?
A: Between 28 and 32 weeks, often reflected by a decrease in hematocrit.
Q: What are key principles of expected weight gain in pregnancy?
A:
Total expected gain is about 24–30 pounds.
Weight gain should be steady.
, In the 2nd and 3rd trimesters, average gain is about 0.9 lb per week.
Q: How many additional calories should be consumed daily during pregnancy?
A: About 300 extra calories per day.
Q: How much milk or dairy should a pregnant woman consume daily?
A: Approximately 1 quart (or equivalent dairy servings).
Q: At how many weeks can fetal heart tones be heard using a Doppler device?
A: 10–12 weeks gestation.
Q: What is the typical prenatal visit schedule for a low-risk pregnancy?
A:
Monthly visits until 28 weeks
Every 2 weeks from 28–36 weeks
