NR 329 Maternal-Newborn Nursing Exam 1
Actual Practice Questions: Comprehensive
Assessment with Complete Solutions
SECTION 1: REPRODUCTIVE ANATOMY & PHYSIOLOGY (Questions 1-12)
Menstrual Cycle & Conception
Q1. A patient asks about the optimal time for conception in relation to her menstrual
cycle. The nurse explains that ovulation typically occurs:
A) 14 days after the start of menstruation
B) 14 days before the next menstrual period
C) During menstruation
D) 7 days after menstruation ends
Correct Answer: B
Rationale: Ovulation occurs approximately 14 days BEFORE the onset of the next
menstrual period, regardless of total cycle length. This is because the luteal phase
(post-ovulatory) is relatively constant at 14 days, while the follicular phase varies.
Option A assumes a 28-day cycle, which is not universal. Ovulation does not occur
during menstruation (C) or immediately after (D).
Clinical Application: Understanding ovulation timing is essential for preconception
counseling and fertility awareness.
,Patient Education: Teach patients to track basal body temperature and cervical mucus
changes for fertility planning.
Q2. During a preconception visit, a patient asks where fertilization normally occurs. The
nurse explains that fertilization typically takes place in the:
A) Uterus
B) Cervix
C) Fallopian tube (ampulla)
D) Ovary
Correct Answer: C
Rationale: Fertilization most commonly occurs in the ampullary portion of the fallopian
tube. The fertilized ovum (zygote) then undergoes cleavage during its 3-4 day journey to
the uterus for implantation. Fertilization does not occur in the uterus (A), cervix (B), or
ovary (D)—the ovary releases the ovum, which is then captured by the fimbriae.
Physiology Integration: Tubal transport is critical; ectopic pregnancies occur when
implantation happens outside the uterus, most commonly in the fallopian tube.
Evidence Reference: Moore & Persaud, The Developing Human; ACOG Practice Bulletin
No. 193.
Q3. A nursing student asks about the function of the corpus luteum after ovulation. The
correct response is that the corpus luteum primarily secretes:
A) Follicle-stimulating hormone (FSH)
,B) Estrogen only
C) Progesterone and estrogen
D) Human chorionic gonadotropin (hCG)
Correct Answer: C
Rationale: The corpus luteum (formed from the ruptured ovarian follicle) secretes
progesterone (dominant) and estrogen to maintain the endometrial lining for potential
implantation. FSH (A) is secreted by the anterior pituitary. hCG (D) is produced by the
trophoblast after implantation and rescues the corpus luteum.
Hormonal Cascade: Without hCG (pregnancy), the corpus luteum degenerates after 14
days, causing progesterone withdrawal and menstruation.
Clinical Connection: Luteal phase defect can cause early pregnancy loss due to
insufficient progesterone.
Q4. A patient with a 35-day menstrual cycle asks when she is most fertile. The nurse
calculates that ovulation most likely occurs around:
A) Day 14
B) Day 16
C) Day 21
D) Day 28
Correct Answer: C
, Rationale: Ovulation occurs 14 days before menses. With a 35-day cycle: 35 - 14 = Day
21. This demonstrates that ovulation timing is relative to the NEXT period, not the
previous one. Day 14 (A) assumes a 28-day cycle.
Fertility Awareness: Teach patients to subtract 14 from their typical cycle length to
estimate ovulation.
Calculation Method: Longest cycle minus 18 and shortest cycle minus 11 = fertile
window (Standard Days Method).
Implantation & Early Development
Q5. The nurse explains that implantation of the blastocyst into the endometrium
normally occurs approximately:
A) 12 hours after fertilization
B) 3 days after fertilization
C) 6-7 days after fertilization
D) 14 days after fertilization
Correct Answer: C
Rationale: Implantation occurs 6-7 days after fertilization (Day 20-21 of a 28-day cycle).
The blastocyst hatches from the zona pellucida and invades the endometrial lining.
Before this, the conceptus travels through the fallopian tube (A, B are too early). Day 14
(D) would be after the next menstrual period is expected.
Critical Window: Implantation requires proper endometrial receptivity
(progesterone-dominated "implantation window").
Actual Practice Questions: Comprehensive
Assessment with Complete Solutions
SECTION 1: REPRODUCTIVE ANATOMY & PHYSIOLOGY (Questions 1-12)
Menstrual Cycle & Conception
Q1. A patient asks about the optimal time for conception in relation to her menstrual
cycle. The nurse explains that ovulation typically occurs:
A) 14 days after the start of menstruation
B) 14 days before the next menstrual period
C) During menstruation
D) 7 days after menstruation ends
Correct Answer: B
Rationale: Ovulation occurs approximately 14 days BEFORE the onset of the next
menstrual period, regardless of total cycle length. This is because the luteal phase
(post-ovulatory) is relatively constant at 14 days, while the follicular phase varies.
Option A assumes a 28-day cycle, which is not universal. Ovulation does not occur
during menstruation (C) or immediately after (D).
Clinical Application: Understanding ovulation timing is essential for preconception
counseling and fertility awareness.
,Patient Education: Teach patients to track basal body temperature and cervical mucus
changes for fertility planning.
Q2. During a preconception visit, a patient asks where fertilization normally occurs. The
nurse explains that fertilization typically takes place in the:
A) Uterus
B) Cervix
C) Fallopian tube (ampulla)
D) Ovary
Correct Answer: C
Rationale: Fertilization most commonly occurs in the ampullary portion of the fallopian
tube. The fertilized ovum (zygote) then undergoes cleavage during its 3-4 day journey to
the uterus for implantation. Fertilization does not occur in the uterus (A), cervix (B), or
ovary (D)—the ovary releases the ovum, which is then captured by the fimbriae.
Physiology Integration: Tubal transport is critical; ectopic pregnancies occur when
implantation happens outside the uterus, most commonly in the fallopian tube.
Evidence Reference: Moore & Persaud, The Developing Human; ACOG Practice Bulletin
No. 193.
Q3. A nursing student asks about the function of the corpus luteum after ovulation. The
correct response is that the corpus luteum primarily secretes:
A) Follicle-stimulating hormone (FSH)
,B) Estrogen only
C) Progesterone and estrogen
D) Human chorionic gonadotropin (hCG)
Correct Answer: C
Rationale: The corpus luteum (formed from the ruptured ovarian follicle) secretes
progesterone (dominant) and estrogen to maintain the endometrial lining for potential
implantation. FSH (A) is secreted by the anterior pituitary. hCG (D) is produced by the
trophoblast after implantation and rescues the corpus luteum.
Hormonal Cascade: Without hCG (pregnancy), the corpus luteum degenerates after 14
days, causing progesterone withdrawal and menstruation.
Clinical Connection: Luteal phase defect can cause early pregnancy loss due to
insufficient progesterone.
Q4. A patient with a 35-day menstrual cycle asks when she is most fertile. The nurse
calculates that ovulation most likely occurs around:
A) Day 14
B) Day 16
C) Day 21
D) Day 28
Correct Answer: C
, Rationale: Ovulation occurs 14 days before menses. With a 35-day cycle: 35 - 14 = Day
21. This demonstrates that ovulation timing is relative to the NEXT period, not the
previous one. Day 14 (A) assumes a 28-day cycle.
Fertility Awareness: Teach patients to subtract 14 from their typical cycle length to
estimate ovulation.
Calculation Method: Longest cycle minus 18 and shortest cycle minus 11 = fertile
window (Standard Days Method).
Implantation & Early Development
Q5. The nurse explains that implantation of the blastocyst into the endometrium
normally occurs approximately:
A) 12 hours after fertilization
B) 3 days after fertilization
C) 6-7 days after fertilization
D) 14 days after fertilization
Correct Answer: C
Rationale: Implantation occurs 6-7 days after fertilization (Day 20-21 of a 28-day cycle).
The blastocyst hatches from the zona pellucida and invades the endometrial lining.
Before this, the conceptus travels through the fallopian tube (A, B are too early). Day 14
(D) would be after the next menstrual period is expected.
Critical Window: Implantation requires proper endometrial receptivity
(progesterone-dominated "implantation window").
