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Ardms OBGYN Davies Exam Questions and Answers 2024
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When does the first trimester begin? -Correct Answer Begins with the first day of the woman's last menstrual period (lmp) and ends 10 weeks later. Marks the point when all organ systems have been differentiated and are in place and the embryo has become a fetus. -Correct Answer The end of the fi...

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  • October 30, 2024
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Ardms OBGYN Davies



Ardms OBGYN Davies Exam Questions and
Answers 2024
When does the first trimester begin? -Correct Answer ✔Begins with the first day of the
woman's last menstrual period (lmp) and ends 10 weeks later.

Marks the point when all organ systems have been differentiated and are in place and
the embryo has become a fetus. -Correct Answer ✔The end of the first trimester

Occurs 14 days after the first day of menstrual period. -Correct Answer ✔Ovulation

Determines the beginning of pregnancy in clinical obstetrics. -Correct Answer ✔The first
day of the last period

Embryologic tests are based on what? -Correct Answer ✔Conceptual age

Gracie uterus -Correct Answer ✔Name for uterus during pregnancy

Chadwick's sign -Correct Answer ✔Bluish purple discoloration of the cervix, vagina, and
labia during pregnancy as a result of increased vascular congestion.

Goodell's sign -Correct Answer ✔softening of the vaginal portion of the cervix

Hegar's sign -Correct Answer ✔softening of the lower uterine segment (uterine isthmus)

Hyper pigmentation of the lines alba -Correct Answer ✔The fibrous structure that runs
down the the abdominal midline

Labratory hormones that can determine early pregnancy -Correct Answer
✔Progesterone, early pregnancy factor, HCG

beta-hCG stands for? -Correct Answer ✔Beta subunit of human chorionic honadotropin
in maternal serum

In a normal first trimester pregnancy what happens to progesterone? -Correct Answer
✔Progesterone levels rise to multiples of those observed during the non pregnant state
and are an indicator of the integrity of an intrauterine gestation.

What lab in the first trimester is an indicator of the integrity of an intrauterine
pregnancy? -Correct Answer ✔Progesterone

First trimester lab levels for progesterone range from? -Correct Answer ✔10-
44nanograms per milliliter (ng/ml)


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Typical progesterone levels first trimester pregnancy are 10-44 no/ml. Labs less than
this Raise concern for? -Correct Answer ✔Ectopic pregnancy and are also assoc. with
and increased risk of failed intrauterine pregnancy

early pregnancy factor -Correct Answer ✔Is a protein produced by the conceptual within
hours after fertilization.

Earliest laboratory evidence of pregnancy? -Correct Answer ✔Early pregnancy factor

How is EPF (early pregnancy factor) measured? -Correct Answer ✔Using the rosette
inhibition test (RIT), positive or negative results

When is EPF produced? -Correct Answer ✔Prior to implantation.

human chorionic gonadotropin (hCG) can be detected In the maternal serum as early as
-Correct Answer ✔6-8days post conception

Type of hcg test that is either positive or negative results? -Correct Answer ✔Qualitative
serum hcg

Type of hcg test that is more sensitive and provides a numerical value that can be
followed serially and correlated with a normal progressing gestation to rule out failed
pregnancy. -Correct Answer ✔Quantitative

human chorionic gonadotropin is secreted by? -Correct Answer ✔Secreted by
physiologically active trophoblastic tissue.

What test excludes the diagnosis of a live pregnancy anywhere in the body. -Correct
Answer ✔A negative beta hcg blood test

Descrinatory levels of serum beta hcg -Correct Answer ✔

Early pregnancy timeline -Correct Answer ✔

When does fertilization occur? -Correct Answer ✔24-36 hours after ovulation.

Fertilization of the ovum occurs how many days after the beginning of the last mentrual
period? -Correct Answer ✔15-16 days after

Conceptual age is how much less than menstrual age? -Correct Answer ✔2 weeks less

Mentrual age -Correct Answer ✔In clinical obstetrics the exact date of ovulation is
unknown. Calculated by lmp


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Occurs 14 days after LMP -Correct Answer ✔Ovulation

Occurs 15-16 days after lmp -Correct Answer ✔Fertilization

Occurs 18-19 days after lmp -Correct Answer ✔Conceptus enters uterine cavity

Occurs 21-22 days after lmp -Correct Answer ✔Implantation

Occurs 29-30 days after lmp -Correct Answer ✔Gastrulation

Occurs 35 days after lmp -Correct Answer ✔Neurulation starts

Occurs 42 days after lmp -Correct Answer ✔Neurulation ends

Occurs 43 days after lmp -Correct Answer ✔Heart separation starts

Nearly all permanent internal and external structures are formed by how many weeks? -
Correct Answer ✔6-10 weeks

What week of pregnancy does unidirectional blood flow begin? -Correct Answer ✔Week
6

Formation of the heart is complete by what week? -Correct Answer ✔Week 8

Formation of the peripheral vascular system is complete by what week? -Correct
Answer ✔Week 10

Formation of the primitive gut is complete? -Correct Answer ✔Week 6

The rectum separates from the urogenital sinus at what week? -Correct Answer ✔Week
8

The midgut herniated into the umbilical cord and then returns to the abdomen at what
week? -Correct Answer ✔Weeks 8-12

The anal membrane perforated at what week? -Correct Answer ✔Week 10

The primitive kidneys (metanephrol) begin to form and descend into the abdomen at
what week? -Correct Answer ✔Week 8

Kidneys are in the adult position; external genitalia are visually similar in males and
females at what week? -Correct Answer ✔Week 11



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Differentiation of external male and female genitalia is complete at what week? -Correct
Answer ✔Week 14

Formation of limb buds is complete at what week? -Correct Answer ✔Week 5.5-6

Digital rays develop; arm are Brent at the elbows at what week? -Correct Answer
✔Week 7.5-8

The clavicle begins to ossify at what week? -Correct Answer ✔Week 8

The mandible, palate, vertebral bodies, and neural arches begin to ossify at what week?
-Correct Answer ✔Week 9

The long bones begin to ossify at what week? -Correct Answer ✔Week 11

Is the first sonographic evidence that a normal intrauterine pregnancy in present? -
Correct Answer ✔Gestational sac within the endometrial cavity

A gestational sac is always seen in a normal intrauterine pregnancy when the following
discriminatory levels are achieved -Correct Answer ✔Serum beta hcg>or = 800-
1000miu/ml (endovaginal) using 2ls
Serum beta hcg >or= 1800mlu/ml ( trans abdominal) using 2ls
Certain LMP>or = 5weeks
Decide all thickening

What is the earliest sonographic sign of pregnancy? -Correct Answer ✔Is focal
thickening of the echo genie decides at the site of implementation.

The fluid filled gestational sac is the first definitive sonographic sign of pregnancy and is
first visible at how many weeks? -Correct Answer ✔4.5-5 weeks

Early intrauterine pregnancy -Correct Answer ✔

When the gestational sac mean sac diameter is 2-3mm what week can it be visible on
endovaginal scan? -Correct Answer ✔5 weeks

Gestational sac can be visually seen on trans abdominal scan at what week? -Correct
Answer ✔6 weeks

Characteristic signs of a normal intrauterine gestational sac -Correct Answer ✔1.
Round, oval, well defined borders
2. Echogenic, intact borders
3.positioned in fundus or mid uterus
4. Growth =1mm/day


Ardms OBGYN Davies

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