Fetal Measurement Mastery Quiz
Fetal Measurement Mastery Quiz
Test your knowledge of fetal measurements and sonographic techniques with our comprehensive quiz! Whether you are a student, a healthcare professional, or simply interested in obstetric sonography, this quiz is designed to challenge and enhance your understanding.
Key Features:
- 50 engaging multiple-choice questions
- Covering a wide range of topics related to fetal measurements
- Ideal for students and professionals in the field
The abdominal circumference (AC) is taken at the _______
Diameter of the fetal abdomen at the level of the kidneys and diaphragm
Level of the stomach, left portal vein, and left umbilical vein
Diameter of the fetal abdomen
Which one of the following sonographic signs refers to the shape of the cerebellum when a spinal defect is present?
Sandwich
Banana
Lemon
The biparietal diameter (BPD) is the measurement of the fetal head at the level of which of the following structures?
Thalamus and cavum septum pellucidum (CSP)
Frontal horns and third ventricle
Thalamus and fourth ventricle
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?
Dolichocephaly
Elongichocephaly
Brachycephaly
Which one of the following measurements is the most accurate for determining gestational age in the first trimester?
Crown-rump length (CRL)
BPD
MSD
The plane used for a coronal head circumference (CHC) should include which one of the following structures?
CSP and falx cerebri
Thalamus and brainstem
Third ventricle and brainstem
When measuring the gestational sac, all of the following statements are true except:
If the sac is ovoid, measurements cannot be obtained.
If the sac is ovoid, the anteroposterior and width is measured to obtain mean diameter.
If the sac is round, one diameter should be measured.
When the gestational mean sac diameter (MSD) exceeds _____ millimeters (mm), an embryo with definite cardiac activity should be clearly seen with transvaginal scanning.
7
10
16
The absence of an embryo in an intrauterine pregnancy of 7 to 8 weeks is consistent with which one of the following?
Ectopic pregnancy
Placenta previa
Anembryonic pregnancy
Frontal bones of the cranium that collapse forward describe which one of the following abnormalities?
Banana sign
Lemon sign
Mickey Mouse sign
Which one of the following biometric measurements is more useful as a growth parameter?
BPD
AC
CRL
With normal transvaginal sonography, cardiac activity should be demonstrated when the CRL exceeds ______ mm.
6
7
8
Which one of the following measurements is devised to determine the normality of the fetal head shape?
BPD
Cephalic index
Head circumference:abdominal circumference ratio
Which one of the following fetal measurements is about as accurate as the BPD in determining gestational age?
Femur length
Head circumference
AC
The fetal orbits should be measured:
At the same level as the BPD
In a plane slightly caudal to the BPD
In a plane slightly cephalic to the BPD
The fetus is categorized into the small, average, or large growth percentiles in which one of the following methods?
Intrauterine growth restriction (IUGR)
Growth-adjusted sonar age
Age-range analysis
Which one of the following statements about the femur length measurement is true?
Should include the distal femoral epiphysis.
Is taken from the pointed end to the pointed end.
Includes only the femoral diaphysis.
All long bones should be measured if the difference between the femur length and all other biometric parameters is which one of the following?
2 weeks or greater
Greater than 1 weeks
Greater than 4 weeks
Which one of the following statements describes the binocular distance (BD)?
Includes both orbits at the same time.
Is the distance of an orbit.
Is the depth of both orbits.
Gestational age can best be predicted from which one of the following?
BD
Orbital diameter
Interocular distance
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).
500
1000
1500
Measurement of the BD is taken from the ___________ edge of one orbit to the ___________ edge of the contralateral orbit.
Outer; inner
Inner; inner
Outer; outer
Linear acceleration of the embryonic heart rate correlates well with gestational age up to _________________ weeks.
8 menstrual
9 gestational
10 menstrual
A condition in which the fetus is not growing as fast as normal is which one of the following terms?
Growth-adjusted sonar age
Age-range analysis
IUGR
Measurement of the BPD is taken from the __________ edge to the ___________.
Outer; inner edge
Outer; outer edge
Inner; inner edge
Which one of the following structures carries oxygenated blood from the umbilical vein to the inferior vena cava (IVC)?
Ductus venosus
Foramen ovale
Ligamentous venous
Which one of the following terms indicates that the fetal head is toward the fundus of the uterus?
Cephalic
Breech
Fundal
Small nose or absent, and mid-face hypoplasia indication of------------------?
Leventhal syndrome
Down syndrome
Patau syndrome
Which one of the following indicates that the liver is on the right, the stomach is on the left, and the heart apex is on the left?
Normal situs
Dextrocardia
Mesocardia
The widest transverse diameter of the skull and the proper level to measure the biparietal diameter (BPD) includes which one of the following structures?
Corpus callosum
Thalamus
Peduncles
The three vessels found in the umbilical cord are which of the following?
One artery and two veins
One artery, one vein, and one portal vein
Two arteries and one vein
Normally, the fetal bladder empties at least every ______________.
60 minutes
40 minutes
3 hours
Because of the low-density brain tissue, the texture of the brain may appear _____.
Echogenic
Inhomogeneous
Hypoechoic
The cranial bones ossify by ______ weeks.
12
14
16
3rd ventricle is located between two----------------
Two cerebrum
Thalami
Two occipital bones
The cavum septum pellucidi is observed anterior to the _____
Thalamus
Corpus callosum
Cerebellum
The profile view of the fetal face is important to examine to rule out all of the following abnormalities except:
Frontal bossing Correct!
Cleft soft palate
Micrognathia
--------------------------produces CSF located within roof of each lateral ventricle.
None of the above
Choroid glomus
Capillaries
Especially in the third trimester, a fetus in the breech position may demonstrate a cranium shape of which one of the following?
Cloverleaf
Fetal position does not change the head shape
Dolichocephalic
In the transverse plane, an abnormal fetal spine may appear splayed in all of the following configurations except:
V-shaped
C-shaped
Y-shaped
Full stomach should be seen in all fetuses beyond ------------------------week of gestation
16th
9th
10th
What is the normal axis of the heart from the midline
45 degree
60 degree
50 degree
The presentation of a fetus lying perpendicular to the maternal sagittal axis is in the ____________ position.
Vertex
Oblique
Transverse
Which one of the following statements about the fetal liver is false?
The fetal liver is very sensitive to disturbances in growth.
The right lobe is larger than the left lobe in the fetal liver.
The fetal liver is the main storage site for glucose.
Beyond 30 weeks’ gestation, a renal pelvis is considered abnormal when measuring greater than _____ millimeters (mm).
6
10
8
Cranial bones ossify by ---------------------weeks
28
38
12
A sonolucent (hypoechoic) linear structure separating thorax from abdomen is called ?
Liver
Base of the heart
Diaphragm
The normal lateral ventricle measures up to ______ mm.
10
11
8
The size of the cistern magna is obtained by measuring from the _____________ to the ______________.
Cerebellar lobe; skin line
Vermis; skin line
Vermis; occipital bone
Nuchal skin fold thickness of 5 mm or less is normal up to _____ weeks’ gestation. Correct!
20
24
18
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