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Test 2 (Chapters 58 and 59)
Terms in this set (68)
Ventriculomegaly is defined as lateral ventricular enlargement measuring greater than _ mm.
Which of the following is also referred to as Trisomy 21?
What other structure in the brain can the thalamus be confused for?
Which one of the following imaging planes is best for imaging the cleft lip and palate?
Measurement for nuchal translucency should be
An elongated forehead in the sagittal plane and triangular in shape in the axial plane describes which one of the following abnormalities?
The cavum septum pellucidum is a midline brain stucture that can be identified in the _ portion of the brain.
Craniosynostosis may be defined as which one of the following?
Premature closure of the cranial sutures.
Sonographic examination of fetal spine should include survey of the spine in _.
Sagittal plane and
Spina birida when covered with skin or hair, referred to as _.
spina bifida occulta
Which one of the following statements about neck teratomas is incorrect?
-A teratoma may demonstrate a complex appearance
-Color Doppler may be helpful in diagnosis.
-They are usually located posteriorly.
-Teratomas are usually unilateral.
They are usually located posteriorly.
Proboscis suggests which one of the following abnormalities?
Facial anomalies of holoprosencephaly are all of the following except:
Which one of the following terms is used to describe the herniation of meninges and brain through a calvarium defect?
Which one of the following is the most severe form of Holoprosencephaly, which is characterized by a single common ventricle and malformed brain?
Which of the following signs are are characteristic of the Arnold-Chiari malformation?
Flattening of the frontal bones, in spina bifida, is referred to as _ shaped.
Alobar has a _ configuration.
Pancake, Ball and cup.
The condition in which there is no nose and a proboscis separating two closed-set orbits is:
The features of the fetal face can be identified at the _ of the _ trimester.
end; first trimester
The most common congenital anomaly of the face is which of the following?
Which of the following abnormalities is the most common open neural tube defect?
The most common location of a cystic hygroma is with the:
What view is best to image cleft lip and plate?
The tongue protrusion is seen in what syndrome?
Which of the following is not a form of holoprosencephaly.
Which of the following terms descibes a small chin?
The third ventricle lies between what two structures?
What is the spaces that exist between the forming fetal bones referred to as:
A condition in which a complete or partial absence of the cranial bones is demonstrated is which one of the following?
An open spinal defect characterized by protrustion of meninges and spinal cord through the defect, usually within a meningeal sac, is called which of the following?
the optimal gestational age for measuring nuchal translucency is _ weeks.
11 to 13
The most common neck mass is which on of the following?
Cystic hygroma colli
An isolated unilateral cleft lip defect commonly originates:
On the left side of the face
An increase distance between the orbits is referred to as:
Extensive facial screening may be hindered by all of the following except:
-Poor fetal positioning
The skull consists of _ cranial bones
Nuchal thickening is most commonly associated with:
How many forms of holoprosencephaly are there?
Close-set eyes and nose with a single nostril is termed:
Which one of the following statements about the facial profile is incorrect?
The facial profile has a strawberry-shaped cranium, which is described as a bulging of the occipital bones.
Cleft lip with or without cleft palate is seen more frequently in which one of the following groups?
Which one of the following is the result from a malformation of the lymphatic system?
The absence of the eyes is termed:
Protrustion of the brain from the cranial cavity
Premature closure of the cranial sutures
premature closure of the cranial sutures
increased thickness in the nuchal fold area in the back of the neck associated with Trisomy 21
eyes too far apart
enlargment of the thyroid gland
eyes too close together
open spinal defect characterized by protrusion of the spinal meninges
neural tube defect characterized by lack of development of the cerebral and cerebellar hemispheres and cranial vault; this abnormality is incompatible with life
An abnormality or congenital malformation
Condition associated with anencephaly in which there is complete or partial absence of the cranial bones
ventriculomegaly in the neonate abnormal accumulation of cerebrospinal fluid within the cerebral ventricles, resulting in compression and frequently in destruction of brain tissue
abnormal accumulation of cerebrospinal fluid within the cerebral ventricles resulting in dilation of the ventricles
form of holoprosencephaly characterized by a common ventricle, hypotelorism and a nose with a single nostril
severe form of holoprsencaphaly characterized by a common ventricle, fusion of the orbits with one or two eyes present, and proboscis (maldeveloped cylindrical nose)
The spaces that exist between the forming fetal bones of the skull are referred to as the "hard spots". T/F
The falx cerebri on fetal sonogram is an echogenic linear formation coursing through the midline of the fetal brain. T/F
Anencephaly has a greater prevalence in females over males. T/F
Whenever maternal thyroid disease is present, the fetal thyroid should be evaluated. T/F
The prognosis for cephalocele varies based on size, location and involvement of other brain structures. T/F
There are seven cerebral lobes. T/F
Epignathus is a teratoma located in the oropharynx. T/F
The brain can be divided into two main parts, the cerebrum and the cerebellum. T/F
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