OBGYN ARDMS 2026 EXAMS SCRIPT QUESTIONS
AND ANSWERS SURE A+
✔✔15. - ✔✔15. The yolk sac is typically demonstrated by
A. 3-4 weeks
B. 4-5 weeks
C. 5-6 weeks
D. 6-7 weeks
✔✔16. - ✔✔16. What is the mean sac diameter at the earliest point that the normal yolk
sac becomes visible?
A. 4.0mm
B. 4.5mm
C. 5.0mm
D. 5.5mm
✔✔17. - ✔✔17. A normal yolk sac will always be visualized when the mean sac
diameter measures:
A. Equal to or greater than 5.0 mm
B. Equal to or greater than 6.0mm
C. Equal to or greater than 7.0 mm
D. Equal to or greater than 8.0 mm
,✔✔18. - ✔✔18. Embryonic cardiac activity may be visualized when the crown-rump
length is approximately:
A. 1-3mm
B. 2-4mm
C. 3-5mm
D. 4-6mm
✔✔19. - ✔✔19. When does normal embryonic midgut herniio occur? A. 6 menstrual
weeks B. 7 menstrual weeks C. 8 menstrual weeks D. 10 menstrual weeks
✔✔20. - ✔✔20. By when does normal embryonic midgut herniation regress back into
the abdominal cavity?
A. 11 menstrual weeks
B. 12 menstrual weeks
C. 13 menstrual weeks
D. 14 menstrual weeks
✔✔21. The arrow in this image points to - ✔✔
✔✔A. Hydrocephalus B. Cisterna magna C. Embryonic rhombencephalon D. Nuchal
translucency - ✔✔21
✔✔22. - ✔✔22. All of the following sonographic findings are reliable indicators of
abnormal early pregnancy EXCEPT
A. Mean sac diameter less than 8 mm without a yolk sac
B. Cr own-rump length > 16 mm without an embryo
C. Embryo> 5 mm without cardiovascular activity
D. Amniotic sac noted without an embryo
✔✔23. - ✔✔23. All of the following sonographic findings are indicators of a failed first
trimester gestation EXCEPT
A. Irregular shape of gestational sac
B. Double sac sign
C. Eccentric position of sac in uterine cavity
D. Mean sac diameter growth rate <0.6 mm per day
✔✔24. - ✔✔24. Physiologic termination of pregnancy prior to 20 weeks' gestation is
called A. Blighted ovum B. Anembryonic pregnancy C. Spontaneous abortion D.
Therapeutic abortion
✔✔25. - ✔✔25. All of the following sonographic findings are consistent with a
spontaneous complete abortion31. EXCEPT
A. Complex echogenic material in the uterine cavity
B. Empty uterus with "clean" endometrial stripe
C. Moderate to bright endometrial echoes
,D. Uterine enlargement
✔✔26. - ✔✔26. All of the following sonographic findings are consistent with an
incomplete abortion EXCEPT:
A. Complex echogenic material in the uterine cavity
B. Acoustic shadowing from air bubbles in the uterine cavity
C. Persistent trophoblastic Doppler waveforms near the endometrial cavity D. Empty
uterus with "clean" endometrial stripe
✔✔27. - ✔✔27. What is the name tational sac in the without an accompanying
endometrial cavity measurin for the presence of an intact embryo? z 25 mm
A. Complete spontaneous abortion
B. Anembryonic pregnancy
C. Incomplete abortion
D. Fetal demise
✔✔28. - ✔✔28. Implantation of a conceptus anywhere outside the endometrial cavity is
called;
A. Ectopic pregnancy
B. Incomplete abortion
C. Missed abortion
D. Blighted ovum
✔✔29. - ✔✔29. Approximately 80 % of ectopic pregnancies implant in the
A. Uterine cornu
B. Cervix
C. Ampullary portion of the fallopian tube
D. Interstitial portion of the fallopian tube
✔✔30. - ✔✔30. What sonographic finding is pathognomonic for ectopic pregnancy? A.
Empty uterus in a patient with a positive pregnancy test
B. Identification of an extrauterine gestatio sac with live embryo
C. Free fluid in the cul-de-sac
D. Complex adnexal mass in a patient with a positive pregnancy test
✔✔31 - ✔✔What is the term for the concomitant impla ations of both an intrauterine and
an extrauterine conceptus?
A. Ectopic pregnancy
B. Heterotopic pregnancy
C. Supernumerary pregnancy
D. Twin pregnancy
✔✔32. - ✔✔32. All of the following sonographic findings are non- specific indicators of
ectopic pregnancy EXCEPT
A. Free fluid in the cul-de-sac
, B. Empty uterus in a patient with a positive pregnancy test
C. Identification of an extrauterine gestational sac with yolk sac
D. Doppler ring of fire sign around a complex adnexal mass
✔✔D. Foramen ovale - ✔✔49. In a fetal heart, what is the name for the normal
communication between the right and left atria?
A. Atrial orifice
B. Atrial septal defect
C. Ventricular septal defect
D. Foramen ovale
E. Atrial meatus
✔✔D. Fetal anatomy - ✔✔50. Second trimester obstetric ultrasound examinations are
better than first trimester sonograms in determining:
A. Gestational age of the fetus
B. Fetal life
C. Fetal birth weight at term
D. Fetal anatomy
E. Fetal position
✔✔B. Left ventricle - ✔✔51. What structure is labeled 1 in this image?.
A. Right ventricle
B. Left ventricle
C. Right atrium
D. Left atrium
E. Univentricle
✔✔A. Right ventricle - ✔✔52. In the image in question 51, what structure is labeled 2?
A. Right ventricle
B. Left ventricle
C. Right atrium
D. Left atrium
E. Aorta
✔✔D. Left atrium - ✔✔53. In the image in question 51, what structure is labeled 3?
A. Right ventricle
B. Left ventricle
C. Right atrium
D. Left atrium
E. Aorta
✔✔E. Aorta - ✔✔54. In the image in question 51, what structure is labeled 4?
A. Right ventricle
B. Left ventricle
C. Right atrium
D. Left atrium
AND ANSWERS SURE A+
✔✔15. - ✔✔15. The yolk sac is typically demonstrated by
A. 3-4 weeks
B. 4-5 weeks
C. 5-6 weeks
D. 6-7 weeks
✔✔16. - ✔✔16. What is the mean sac diameter at the earliest point that the normal yolk
sac becomes visible?
A. 4.0mm
B. 4.5mm
C. 5.0mm
D. 5.5mm
✔✔17. - ✔✔17. A normal yolk sac will always be visualized when the mean sac
diameter measures:
A. Equal to or greater than 5.0 mm
B. Equal to or greater than 6.0mm
C. Equal to or greater than 7.0 mm
D. Equal to or greater than 8.0 mm
,✔✔18. - ✔✔18. Embryonic cardiac activity may be visualized when the crown-rump
length is approximately:
A. 1-3mm
B. 2-4mm
C. 3-5mm
D. 4-6mm
✔✔19. - ✔✔19. When does normal embryonic midgut herniio occur? A. 6 menstrual
weeks B. 7 menstrual weeks C. 8 menstrual weeks D. 10 menstrual weeks
✔✔20. - ✔✔20. By when does normal embryonic midgut herniation regress back into
the abdominal cavity?
A. 11 menstrual weeks
B. 12 menstrual weeks
C. 13 menstrual weeks
D. 14 menstrual weeks
✔✔21. The arrow in this image points to - ✔✔
✔✔A. Hydrocephalus B. Cisterna magna C. Embryonic rhombencephalon D. Nuchal
translucency - ✔✔21
✔✔22. - ✔✔22. All of the following sonographic findings are reliable indicators of
abnormal early pregnancy EXCEPT
A. Mean sac diameter less than 8 mm without a yolk sac
B. Cr own-rump length > 16 mm without an embryo
C. Embryo> 5 mm without cardiovascular activity
D. Amniotic sac noted without an embryo
✔✔23. - ✔✔23. All of the following sonographic findings are indicators of a failed first
trimester gestation EXCEPT
A. Irregular shape of gestational sac
B. Double sac sign
C. Eccentric position of sac in uterine cavity
D. Mean sac diameter growth rate <0.6 mm per day
✔✔24. - ✔✔24. Physiologic termination of pregnancy prior to 20 weeks' gestation is
called A. Blighted ovum B. Anembryonic pregnancy C. Spontaneous abortion D.
Therapeutic abortion
✔✔25. - ✔✔25. All of the following sonographic findings are consistent with a
spontaneous complete abortion31. EXCEPT
A. Complex echogenic material in the uterine cavity
B. Empty uterus with "clean" endometrial stripe
C. Moderate to bright endometrial echoes
,D. Uterine enlargement
✔✔26. - ✔✔26. All of the following sonographic findings are consistent with an
incomplete abortion EXCEPT:
A. Complex echogenic material in the uterine cavity
B. Acoustic shadowing from air bubbles in the uterine cavity
C. Persistent trophoblastic Doppler waveforms near the endometrial cavity D. Empty
uterus with "clean" endometrial stripe
✔✔27. - ✔✔27. What is the name tational sac in the without an accompanying
endometrial cavity measurin for the presence of an intact embryo? z 25 mm
A. Complete spontaneous abortion
B. Anembryonic pregnancy
C. Incomplete abortion
D. Fetal demise
✔✔28. - ✔✔28. Implantation of a conceptus anywhere outside the endometrial cavity is
called;
A. Ectopic pregnancy
B. Incomplete abortion
C. Missed abortion
D. Blighted ovum
✔✔29. - ✔✔29. Approximately 80 % of ectopic pregnancies implant in the
A. Uterine cornu
B. Cervix
C. Ampullary portion of the fallopian tube
D. Interstitial portion of the fallopian tube
✔✔30. - ✔✔30. What sonographic finding is pathognomonic for ectopic pregnancy? A.
Empty uterus in a patient with a positive pregnancy test
B. Identification of an extrauterine gestatio sac with live embryo
C. Free fluid in the cul-de-sac
D. Complex adnexal mass in a patient with a positive pregnancy test
✔✔31 - ✔✔What is the term for the concomitant impla ations of both an intrauterine and
an extrauterine conceptus?
A. Ectopic pregnancy
B. Heterotopic pregnancy
C. Supernumerary pregnancy
D. Twin pregnancy
✔✔32. - ✔✔32. All of the following sonographic findings are non- specific indicators of
ectopic pregnancy EXCEPT
A. Free fluid in the cul-de-sac
, B. Empty uterus in a patient with a positive pregnancy test
C. Identification of an extrauterine gestational sac with yolk sac
D. Doppler ring of fire sign around a complex adnexal mass
✔✔D. Foramen ovale - ✔✔49. In a fetal heart, what is the name for the normal
communication between the right and left atria?
A. Atrial orifice
B. Atrial septal defect
C. Ventricular septal defect
D. Foramen ovale
E. Atrial meatus
✔✔D. Fetal anatomy - ✔✔50. Second trimester obstetric ultrasound examinations are
better than first trimester sonograms in determining:
A. Gestational age of the fetus
B. Fetal life
C. Fetal birth weight at term
D. Fetal anatomy
E. Fetal position
✔✔B. Left ventricle - ✔✔51. What structure is labeled 1 in this image?.
A. Right ventricle
B. Left ventricle
C. Right atrium
D. Left atrium
E. Univentricle
✔✔A. Right ventricle - ✔✔52. In the image in question 51, what structure is labeled 2?
A. Right ventricle
B. Left ventricle
C. Right atrium
D. Left atrium
E. Aorta
✔✔D. Left atrium - ✔✔53. In the image in question 51, what structure is labeled 3?
A. Right ventricle
B. Left ventricle
C. Right atrium
D. Left atrium
E. Aorta
✔✔E. Aorta - ✔✔54. In the image in question 51, what structure is labeled 4?
A. Right ventricle
B. Left ventricle
C. Right atrium
D. Left atrium
