Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Sonographic Topics > Chapter 23: The First Trimester > Flashcards

Chapter 23: The First Trimester Flashcards

1
Q

What is the outer membrane of the gestation?

A

chorionic space

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What membrane in the early gestation is located across from the decidual basalis?

A

decidua capsularis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What structure connects the embryo to the yolk sac?

A

vitelline duct

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the name of the dominant follicle before ovulation?

A

Graafian

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Fertilization typically occurs within ____ after ovulation

A

24

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The most common site of fertilization is within the:

A

ampulla of the uterine tube

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

With a normal pregnancy, the first structure noted within the decidualized endometrium is the:

A

chorionic sac

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The structure created by the union of the sperm and egg is the:

A

zygote

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

The trophoblastic cells produce:

A

hCG

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Sonographically, a normal-appearing 7 week IUP is identified. Within the adnexa, an ovarian cystic structure with a thick, hyperechoic rim is also discovered. What does this ovarian mass most likely represent?

A

corpus luteum cyst

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the stage of the conceptus that implants within the decidualized endometrium?

A

Blastocyst

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Another name for the chorionic sac is the:

A

gestational sac

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is often used to medically treat an ectopic pregnancy?

A

methotrexate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What structure lies within the extraembryonic coelom?

A

yolk sac

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What hormone, produced by the corpus luteum, maintains the thickened endometrium?

A

progesterone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the most common form of GTD?

A

complete molar pregnancy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

In the first trimester, normal hCG levels will:

A

double every 48 hours

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Compared with a normal IUP, the ectopic pregnancy will have a:

A

low hCG

19
Q

Which of the following locations for an ectopic pregnancy would be least likely?
a. isthmus of the tube
b. ampulla of the tube
c. ovary
d. interstitial of the tube

A

c

20
Q

The first sonographically identifiable sign of pregnancy is the:

A

decidual reaction

21
Q

The first structure noted within the gestational sac is the:

A

yolk sac

22
Q

NT measurements are typically obtained between:

A

11 and 14 weeks

23
Q

The normal gestational sac will grow:

A

1 mm per day

24
Q

During a first-trimester sonogram, you note a round cystic structure within the fetal head. This most likely represents the:

A

rhombencephalon

25
Q

The migration of the embryologic bowel into the base of the umbilical cord at 9 weeks is referred to as:

A

physiologic bowel herniation

26
Q

During a 12 week sonogram, bilateral echogenic structures are noted within the lateral ventricles of the fetal cranium. These structures most likely represent:

A

choroid plexuses

27
Q

The most common pelvic mass associated with pregnancy is the:

A

corpus luteum cyst

28
Q

All of the following are associated with an abnormal NT except:
a. trisomy 21
b. Dandy-Walker malformation
c. trisomy 18
d. Turner syndrome

A

b

29
Q

What hormone maintains the corpus luteum during pregnancy?

A

hCG

30
Q

The most common cause of pelvic pain with pregnancy is:

A

ectopic pregnancy

31
Q

The most common location of an ectopic pregnancy is the:

A

ampullary portion of the uterine tube

32
Q

All of the following are contributing factors for an ectopic pregnancy except:
a. pelvic inflammatory disease
b. assisted reproductive therapy
c. IUCD
d. advanced paternal age

A

d

33
Q

All of the following are clinical features of an ectopic pregnancy except:
a. pain
b. vaginal bleeding
c. shoulder pain
d. adnexal ring

A

d

34
Q

In the early gestation, where is the secondary yolk sac located?

A

chorionic cavity

35
Q

All of the following are sonographic findings consistent with ectopic pregnancy except:
a. decidual thickening
b. complex free fluid within the pelvis
c. bilateral, multiloculated ovarian cysts
d. complex adnexal mass separate from the ipsilateral ovary

A

c

36
Q

All of the following are consistent with a complete hydatidform mole except:
a. heterogeneous mass within the endometrium
b. bilateral theca lutein cysts
c. hyperemesis gravidardum
d. low hCG

A

d

37
Q

A malignant form of GTD is:

A

choriocarcinoma

38
Q

A sonographic examination was performed on a pregnant patient who complained of vaginal bleeding. Sonographically, a crescent-shaped anechoic area was noted adjacent to the gestational sac. The gestational sac contained a 6 week single live IUP. What is the most likely diagnosis?

A

subchorionic hemorrhage

39
Q

All of the following would be associated with a lower-than-normal hCG level except:
a. ectopic pregnancy
b. molar pregnancy
c. blighted ovum
d. spontaneous abortion

A

b

40
Q

All of the following are clinical findings consistent with a complete molar pregnancy except:
a. vaginal bleeding
b. hypertension
c. uterine enlargement
d. small for dates

A

d

41
Q

Which of the following is the most likely metastatic location for GTD?
a. rectum
b. pancreas
c. spleen
d. lungs

A

d

42
Q

All of the following may be sonographic findings in the presence of an ectopic pregnancy except:
a. pseudogestational sac
b. corpus luteum cyst
c. adnexal ring
d. low beta-hCG

A

d

43
Q
A

Sonographic Topics (35 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions