DMUSONOOB

refers to the length of time calculated from the LMP to the point when the pregnancy is being assesed

diameter of the normal yold sac should never excede

which fetal body organ is most severely affected by IUGR

increased vascular resistance to the fetus is reflected by:

what is the physiologic phenomenon involving the central nervous system processing of tissue damage

what would not be considered a medical issue

a condition that shows the fetal head elongated in the trasverse diameter and shortened in the anteroposterior

the placenta of the macrosomic fetus can become

has an increased incidence of morbidity and mortality as the result of head and shoulder injuries

interface between the decidua capsularis and the echogenic, highly vascular endometrium

______ incorporates all fetal growth parameters

in early pregnancy, the amniotic fluid is produced by

which principle requires the sonographer to acquire knowledge

macrosomia

embryonic heart begins to beat at

a normal AFI should range

measurement that includes both fetal orbits at the same time to predict gestational age

the sonographer providing a detailed explanation of the exam would be:

when does the fusion of the corionic amnion occur

how do you measure the femur

the structure that carries oxygenated blood from the umbilical vein to the IVC

because of the low density of the brain tissue, it may appear

formula for calculating a macrosomic index

what three vessels are found in the umbilical cord

what shunts blood away from the lungs

definite cardiac activity should be seen when the mean gestational sac diameter excedes

the cisterna magna size is measured from ___ to ___

size of the normal lateral ventrical

the CRL measurement can be used up to ___ wks

the anechoic center of a 5 -6 wk gestational sac represents

asymmetric IUGR is caused by

biophysical evaluation includes all except

fetal intersts in sonography are understood exclusively in terms of

dilation of the entire ventricullar system including the 4th ventrical is associated with:

an S/D ratio of the umbilical artery can be used to evaluate fetal well-being

S/D ratio cannot be measured when

symmetric IUGR is usually the result of:

asymmetric IUGR is usually caused by

BPD is the measurement of the fetal head at the level of the

the most accurate measurement for determining gestational age is

frontal bones of the cranium that collapse forward describe

absence of one or both eyes is called

with endovaginal sonography normal, cardiac activity should be demonstrated when the crl exceeds

the method whereby the fetus is categorized into the small, average, or large growth percentiles is called

all long bones should be measured if the difference between the femur length and all other biometric parameters is

with endovaginal sonography, the earliest appearance of a normal intrauterine gestational sac should be seen with a serum beta hcg above

linear acceleration of the embryonic heart rate correlates well with gestational age up to

_{measurement of the biparietal diameter is taken from the}

total number of pregnancies is called

widest transverse diameter of the skull: proper level to measure the biparietal diamter is

the cranial bones ossify by

cerebrospinal fluid tranvels from the lateral ventricles to the 3rd ventricle via the

the cavum septum pellucidi is observed in front of the

fetal anatomy may be assessed accurately after

especially in the 3rd trimester, a fetus in the breech position may demonstrate a cranium shape of

beyond 20 wks of gestation , a renal pelvis is considered abnormal when measuring greater than

visualization of the distal femoral epiphysis signifies a gestational age beyond

the normal lateral ventricle measures less than

nuchal skin fold thickness of 5mm or less is normal up to

the cavity in which the fetus exists is called the

the first site of formation of red blood cells that will nourish the embryo is the

the beta hcg levels plateau and subsequently decline, whereas the gestational sac continues to grow after

to calculate the mean sac diameter of a gestational sac, the following formula should be used

in the first trimester, herniated bowel will return within the abdominal cavity by the

the diameter of the normal yolk sac should never exceed

a sonogram of a 10 sk gestation demonstrates a cystic area within the posterior cranium. this most likely represents

after fertilization of the ovum, the corpus luteum begins to secrete

the blastocyst typically enters the uterus

implantation of the blastocyst into the endometrium occurs at

the villi on the myometrial side of the conceptus is known as the

placentaql implantation encroaching upon the lower uterine segment is termed

in the 2ns trimester the normal cervical length measures

on transabdominal imaging, an overdistended bladder may give a false impression of

the embryo is a developing individual from implantation to the end of

approximately ___ of all pregnant women in the US are examined wit sonography

diagnostic ultrasound has been in use since the late

matters that concern right and wrong conduct are called

refers to a persons capacity to formulate, express, and carry out value-based preferences

the duty of a health care professional to protect the privacy of a patient information

western medicine uses this principle to know what is in the clinical interest of the patient

the goal of seeking greater balance of clinical goods over clinical harms

psychological phenomenon involving blocked intentions, plans, and projects

refers to honesty

describes the kind of person we should become and the virtues we should cultivate in doing so

the discipline that seeks to articulate clear and practical guidelines for conduct and character

emphasizes individual rights and autonomy

adherence to moral and ethical principles is called

which principle requires the sonographer to obtain appropriate education and clinical skills to ensure competence of each examination

which principle encourages sonographers to go beyond the minimum standard of protocol and seek additional pertinent images as needed

truthfulness with respect to abilities and limitations is an example of

ethical principle that determines the timing of a routine sonographic examination is

____ is served when protocols are standardized

right of self-determination describes