© 2026 Copy Right Reserved.
Obstetric Nursing Fundamentals Test
Questions And Answers With Verified
Rationales | 2026/27 Qs & Ans | Digital Pdf
Download
1. The primary hormone responsible for maintaining pregnancy in early
gestation is:
A. Estrogen
B. Prolactin
C. Progesterone
D. Oxytocin
Rationale: Progesterone maintains the uterine lining and prevents uterine
contractions in early pregnancy.
2. Which sign is considered a presumptive sign of pregnancy?
A. Fetal heartbeat
B. Ultrasound visualization
C. Amenorrhea
D. Positive hCG blood test
Rationale: Presumptive signs are subjective and include missed periods.
3. A positive pregnancy test detects:
1
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A. Estrogen
B. Progesterone
C. Human chorionic gonadotropin (hCG)
D. Oxytocin
Rationale: hCG is produced by the placenta shortly after implantation.
4. Which is a probable sign of pregnancy?
A. Fetal movement felt by nurse
B. Positive urine pregnancy test
C. Ultrasound confirmation
D. Fetal heart tones heard by Doppler
Rationale: Probable signs are objective findings such as a positive
pregnancy test.
5. The first-trimester most common discomfort is:
A. Back pain
B. Edema
C. Nausea and vomiting
D. Dyspnea
Rationale: Morning sickness is common due to hormonal changes.
6. Which finding is a positive sign of pregnancy?
2
, © 2026 Copy Right Reserved.
A. Breast tenderness
B. Morning sickness
C. Fetal heartbeat auscultation
D. Amenorrhea
Rationale: Positive signs confirm pregnancy definitively.
7. The expected weight gain in a normal pregnancy is:
A. 5–10 lbs
B. 10–15 lbs
C. 25–35 lbs
D. 40–50 lbs
Rationale: Normal pregnancy weight gain supports fetal growth.
8. Which nutrient is most important during pregnancy to prevent neural
tube defects?
A. Calcium
B. Iron
C. Vitamin C
D. Folic acid
Rationale: Folic acid prevents neural tube defects such as spina bifida.
9. The fundus at 12 weeks gestation is located at:
3
, © 2026 Copy Right Reserved.
A. Symphysis pubis
B. Umbilicus
C. Just above the symphysis pubis
D. Xiphoid process
Rationale: The uterus begins to rise out of the pelvis at 12 weeks.
10. A gravida is defined as:
A. Number of births
B. Number of pregnancies
C. Number of living children
D. Number of abortions only
Rationale: Gravida refers to total pregnancies regardless of outcome.
11. A para is defined as:
A. Number of pregnancies
B. Number of births after 20 weeks gestation
C. Number of abortions
D. Number of miscarriages
Rationale: Para refers to births after viability.
12. Which trimester has the highest risk for miscarriage?
4
Obstetric Nursing Fundamentals Test
Questions And Answers With Verified
Rationales | 2026/27 Qs & Ans | Digital Pdf
Download
1. The primary hormone responsible for maintaining pregnancy in early
gestation is:
A. Estrogen
B. Prolactin
C. Progesterone
D. Oxytocin
Rationale: Progesterone maintains the uterine lining and prevents uterine
contractions in early pregnancy.
2. Which sign is considered a presumptive sign of pregnancy?
A. Fetal heartbeat
B. Ultrasound visualization
C. Amenorrhea
D. Positive hCG blood test
Rationale: Presumptive signs are subjective and include missed periods.
3. A positive pregnancy test detects:
1
, © 2026 Copy Right Reserved.
A. Estrogen
B. Progesterone
C. Human chorionic gonadotropin (hCG)
D. Oxytocin
Rationale: hCG is produced by the placenta shortly after implantation.
4. Which is a probable sign of pregnancy?
A. Fetal movement felt by nurse
B. Positive urine pregnancy test
C. Ultrasound confirmation
D. Fetal heart tones heard by Doppler
Rationale: Probable signs are objective findings such as a positive
pregnancy test.
5. The first-trimester most common discomfort is:
A. Back pain
B. Edema
C. Nausea and vomiting
D. Dyspnea
Rationale: Morning sickness is common due to hormonal changes.
6. Which finding is a positive sign of pregnancy?
2
, © 2026 Copy Right Reserved.
A. Breast tenderness
B. Morning sickness
C. Fetal heartbeat auscultation
D. Amenorrhea
Rationale: Positive signs confirm pregnancy definitively.
7. The expected weight gain in a normal pregnancy is:
A. 5–10 lbs
B. 10–15 lbs
C. 25–35 lbs
D. 40–50 lbs
Rationale: Normal pregnancy weight gain supports fetal growth.
8. Which nutrient is most important during pregnancy to prevent neural
tube defects?
A. Calcium
B. Iron
C. Vitamin C
D. Folic acid
Rationale: Folic acid prevents neural tube defects such as spina bifida.
9. The fundus at 12 weeks gestation is located at:
3
, © 2026 Copy Right Reserved.
A. Symphysis pubis
B. Umbilicus
C. Just above the symphysis pubis
D. Xiphoid process
Rationale: The uterus begins to rise out of the pelvis at 12 weeks.
10. A gravida is defined as:
A. Number of births
B. Number of pregnancies
C. Number of living children
D. Number of abortions only
Rationale: Gravida refers to total pregnancies regardless of outcome.
11. A para is defined as:
A. Number of pregnancies
B. Number of births after 20 weeks gestation
C. Number of abortions
D. Number of miscarriages
Rationale: Para refers to births after viability.
12. Which trimester has the highest risk for miscarriage?
4
