Ch. 62 EX: 4 & 5 Flashcards Preview

OB > Ch. 62 EX: 4 & 5 > Flashcards

Flashcards in Ch. 62 EX: 4 & 5 Deck (25):
1

The stomach should be identified as a(n) ____ ____ structure in the LUQ inferior to the diaphragm.

Fluid Filled

2

If no fluid is apparent, the stomach should be reevaluated in ___ to ___ minutes to rule out the possibility of a CNS problem (swallowing disorders), obstruction, oligohydramnios, or atresia.

20 to 30

3

The abdominal circumference is measured at the level of the ____ sinus and the ____ portion of the left portal vein ("hockey stick" appearance on the sonogram).

Portal, Umbilical

4

The insertion of the umbilical cord must be imaged with ____ because it inserts both into the fetal abdomen and into the placenta.

Color

5

the fetus is capable of ____ sufficient amounts of amniotic fluid to permit visualization of the stomach by 11 menstrual weeks.

Swallowing

6

After the 15th to 16th week, ____ begins to accumulate in the distal part of the small intestine as a combination of desquamated cells, bile pigments, and mucoproteins.

Meconium

7

The region of the small bowel can be seen because it is slightly ____ compared with the liver and may appear "masslike" in the central abdomen and pelvis.

Hyperechoic

8

After 27 weeks, ____ of normal small bowel is increasingly observed.

Peristalsis

9

The ____ ____ of the colon help to defferentiate it from the small bowel.

Haustral Folds

10

The ____ does not have peristalsis as the small bowel does.

Colon

11

The meconium within the lumen of the colon appears _____ relative to the fetal liver and in comparison with the bowel wall.

Hypoechoic

12

The ___ lobe of the liver is larger than the ___ in utero secondary to the greater supply of oxygenated blood.

Left, Right

13

The normal gallbladder may be seen sonographically after ____ weeks of gestation.

20

14

____ ____ may present as a total reversal of the thoracic and abdominal organs or as a partial reversal.

Situs Inversus

15

The stomach may or may not be reversed in ____ ____ ____.

Partial Situs Inversus

16

True ascites is identified within the peritoneal recesses, whereas ____ is always confined to an anterior or anterolateral aspect of the fetal abdomen.

Pseudoascites

17

A bowel obstruction results in ____ bowel dilatation that is characteristically recognized as one or more tubular structures within the fetal abdomen.

Proximal

18

The most reliable criterion for diagnosing dilated bowel is the bowel ____, not the sonographic appearance.

Diameter

19

A congenital blockage of the esophagus resulting from faulty separation of the foregut into its respiratory and digestive components is ____ ____.

Esophageal Atresia

20

In reference to the diagnosis in question 6 (esophageal atresia), the sonographer may observe the ____ stomach and ____.

Absent, hyddramnios

21

Blockage of the jejunum and ileal bowel segments (jejunoileal atresia or stenosis) appears as multiple cystic structures ____ to the site of atresia within the fetal abdomen.

Proximal

22

A small-bowel disorder marked by the presence of thick meconium in the distal ileum is ____

Meconium ileus

23

____ ____ may present as part of the VACTERL association or in caudal regression.

Anorectal Atresia

24

Hyperechoic bowel is a(n) ____ impression of unusually echogenic bowel, typically seen during the 2nd trimester.

Subjective

25

True ascites in the fetal abdomen is always ____; it usually outlines the falciform ligament and umbilical vein.

Abnormal