Quiz 52 :
Obstetric Measurements and Gestational Age

The abdominal circumference (AC) is taken at the ________________________.

Which one of the following sonographic signs refers to the shape of the cerebellum when a spinal defect is present?

The biparietal diameter (BPD) is the measurement of the fetal head at the level of which of the following structures?

The condition that shows the fetal head elongated in the transverse diameter and shortened in the anteroposterior diameter is known as which one of the following?

Which one of the following measurements is the most accurate for determining gestational age in the first trimester?

The plane used for a coronal head circumference (CHC) should include which of the following structures?

When measuring the gestational sac, all of the following statements are true except:

The absence of an embryo in an intrauterine pregnancy of 7 to 8 weeks is consistent with which one of the following?

Frontal bones of the cranium that collapse inward describes which one of the following abnormalities?

Which one of the following biometric measurements is more useful as a growth parameter?

With normal transvaginal sonography, cardiac activity should be demonstrated when the CRL exceeds ______ mm.

Which one of the following measurements is devised to determine the normality of the fetal head shape?

Which one of the following fetal measurements is about as accurate as the BPD in determining gestational age?

The fetal orbits should be measured:

The fetus is categorized into the small, average, or large growth percentiles in which one of the following methods?

Which one of the following statements about the femur length measurement is true?

All long bones should be measured if the difference between the femur length and all other biometric parameters is which one of the following?

Which one of the following statements describes the binocular distance (BD)?

Gestational age can best be predicted from which one of the following?

With transvaginal sonography, the earliest appearance of a normal intrauterine gestational sac should be seen with a serum beta human chorionic gonadotropin (hCG) greater than _____ mega international units per milliliter (mIU/ml).

Measurement of the binocular distance is taken from the ___________ edge of one orbit to the ___________ edge of the contralateral orbit.

Linear acceleration of the embryonic heart rate correlates well with gestational age up to _________________ weeks.

A condition in which the fetus is not growing at a normal rate is which one of the following?

Measurement of the BPD is taken from the __________ edge to the ___________.