Test 1

Question 1

The biparietal diameter can be measured after what week?

Answer 1

11 weeks

Question 2

What anatomic feature is considered a landmark for the appropriate view to measure the abdominal circumference?

Answer 2

Left portal vein

Question 3

What is the most accurate method to determine gestational age?

Answer 3

Crown-rump length measured at 8 weeks

Question 4

Fetal lie refers to:

Answer 4

Long axis of the spine compared to long axis of moms spine

Question 5

The term brachycephaly refers to

Answer 5

A round head

Question 6

What is the echogenic, linear, midline structure routinely seen on sonograms of the cranial vault of a fetus?

Answer 6

Falx cerebri

Question 7

What portion of the spine is imaged if the fetal kidneys are seen?

Answer 7

Lumbar

Question 8

When does the volume of amniotic fluid peak?

Answer 8

33 Weeks

Question 9

What measuring technique should be used when obtaining a biparietal diameter?

Answer 9

Outer edge to inner edge

Question 10

Which group of measurements will calculate the estimated fetal weight?

Answer 10

BPD, HC, AC, FL

Question 11

What is a major limitation to endovaginal sonography?

Answer 11

Smaller field of view

Question 12

What does the OFD help you determine?

Answer 12

Cephalic index

Question 13

What is producing human chorionic gonadotropin in the first trimester?

Answer 13

Trophoblastic cells

Question 14

The yolk sac may be identified with ultrasound as early as:

Answer 14

5.5 Weeks

Question 15

How often should hCG levels double during early pregnancy?

Answer 15

48 hrs

Question 16

Ectopic pregnancies usually occur in which portion of the fallopian tube?

Answer 16

ampullary

Question 17

Nuchal translucency screening is done during which gestational timeframe?

Answer 17

11-13 weeks

Question 18

Where is the secondary yolk sac located?

Answer 18

Chorionic cavity

Question 19

Fusion of the amnion and chorion is expected to occur around which gestational week?

Answer 19

14

Question 20

You are scanning a retroflexed uterus transvaginally and you are at mid. Which direction do you angle the probe to find the cervix?

Answer 20

Ventral on the patient

Question 21

True/False
When prepping your transvaginal probe for an exam you need to make sure that gel is inside the sheath as well as outside the sheath

Answer 21

True

Question 22

True/False
Your next patient has a quantitative hCG of 475 mlU/ml. At this level you will see a gestational sac ad yolk sac.

Answer 22

False

Question 23

True/False
To determine a persons delivery date one can use Naegals Rule. It is LMP+7 days, then subtract 4 months to find the delivery date.

Answer 23

False

Question 24

Dolichocephaly

Answer 24

Refers to an elongated oval shaped head (stretched out)

Question 25

What is head shape determined by?

Answer 25

Cephalic index formula

Question 26

What is head shape determined by?

Answer 26

Cephalic index formula

Question 27

The abdominal circumference can be measured after which week?

Answer 27

14

Question 28

The femur length can be measured after which week?

Answer 28

13

Question 29

Three landmarks that must be seen in thalamus view:

Answer 29

Cavum septum
Thalami
Fall cerebri

Question 30

If you are scanning for thalamic view and see the orbits, eyes, or cerebellum, you’re too (blank)

Answer 30

Too low

Question 31

If you are scanning for thalamic view and see the orbits, eyes, or cerebellum, you’re too (blank)

Answer 31

Too low

Question 32

If you’re scanning for thalamic view and see the level of lateral ventricles or ventricular atrium, you’re too (blank)

Answer 32

Too high

Question 33

Two reasons falciform Cerebri should be imaged horizontally

Answer 33

Easier to measure

The falx being a linear structure means that it’s better for it to be hit by the beam perpendicularly