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Maternity NU 305 > Fetal Development > Flashcards

Fetal Development Flashcards

1
Q

heart begins to beat (tubular) at what day?

A

28

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2
Q

FHR is not detected until what weeks?

A

8-12

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3
Q

4 weeks

A

heart begins to beat (tubular) at 28 days, although FHR not detected until 8-12 weeks

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4
Q

C-shaped body with arms and leg buds well developed at what week?

A

5 weeks

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5
Q

heart and brain show the most advanced development at what week?

A

5 weeks

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6
Q

5 weeks?

A

C-shaped body with arm and leg buds well developed. Heart and brain show the most advanced development

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7
Q

3 cm. (1 in.) long [crown to rump (C-R).

A

8 weeks

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8
Q

Clearly resembles a human at what week?

A

8 weeks

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9
Q

all body organs formed at what week?

A

8 weeks

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10
Q

major divisions of the brain are distinct at what week?

A

8 weeks

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11
Q

facial features discernible at what week?

A

8 weeks

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12
Q

External genitals present but not discernible until what week?

A

12 weeks

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13
Q

External genitals present but not discernible until 12 weeks?

A

8 weeks

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14
Q

8 weeks

A

3 cm. (1 in.) long [crown to rump (C-R). Weight is ~2 grams. Clearly resembles a human. All body organs formed. Major divisions of the brain are distinct. Facial features discernible. external genitals present but not discernible until 12 weeks.

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15
Q

weight is ~2 grams

A

8 weeks

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16
Q

8 cm (3.2 in.) and 19-28 grams (

A

12 weeks

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17
Q

heart can be seen on ultrasounds

A

12 weeks

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18
Q

sucking movements begin and tooth buds present.

A

12 weeks

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19
Q

well formed face and digits

A

12 weeks

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20
Q

Gender is discernable

A

12 weeks

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21
Q

kidneys produce urine

A

12 weeks

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22
Q

12 weeks:

A

8 cm (3.2 in.) and 19-28 grams (

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23
Q

rapid growth at what week?

A

16 weeks

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24
Q

approximately 6 inches long at what week?

A

16 weeks

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25
Q

spontaneous movements begin at what week?

A

16 weeks

26
Q

lanugo begins to develop at what week?

A

16 weeks

27
Q

meconium in bowel & anus patent at what week?

A

16 weeks

28
Q

16 weeks:

A

rapid growth-approximately 6 inches long. Spontaneous movements begin. Lanugo begins to develop. meconium in bowel-anus patent

29
Q

has almost doubled length in 4 weeks at what week number?

A

20 weeks

30
Q

19 cm (8 in.) and 200-400 grams (11-14 ounces) at what week?

A

20 weeks

31
Q

lanugo and vernix covers body

A

20 weeks

32
Q

nails on fingers and toes develop

A

20 weeks

33
Q

hands can grasp

A

20 weeks

34
Q

Quickening felt by Mom

A

20 weeks

35
Q

has hair on head, eyebrows, and eyelashes

A

20 weeks

36
Q

20 weeks

A

has almost doubled length in 4 weeks. 19 cm (8 in.) and 200-400 grams (11-14 ounces). Lanugo and vernix covers body. Nails on fingers and toes develop. Hands can grasp. Quickening felt by Mom. Has hair on head, eyebrows, and eyelashes

37
Q

28 cm (11 in) crown to heal (C-H) length and 780 gm (1 lb 10 oz)

A

24 weeks

38
Q

skin red and wrinkled; sweat glands developing

A

24 weeks

39
Q

reflexes present (Grasp-Moro)

A

24 weeks

40
Q

respiratory movements visible

A

24 weeks

41
Q

may survive in ICU from what week?

A

24 weeks

42
Q

24 weeks:

A

28 cm (11 in) crown to heal (C-H) length and 780 gm (1 lb 10 oz). skin red and wrinkled; sweat glands developing. reflexes present (grasp-moro). Respiratory movements visible. May survive in ICU from 24 weeks on.

43
Q

35-38 cm (14-15 in.) and 1100 grams (2 1/2 pounds)

A

28 weeks

44
Q

eye is structurally complete and able to open

A

28 weeks

45
Q

gas exchange in lungs

A

28 weeks

46
Q

surfactant forming

A

28 weeks

47
Q

testes descend close to scrotum

A

28 weeks

48
Q

28 weeks

A

35-38 cm (14-15 in.) and 1100 grams (2 1/2 pounds). Eye is structurally complete and able to open. Gas exchange in lungs (surfactant forming). Testes descend close to scrotum.

49
Q

38-43 cm (15-17 in.) and 1800-2200 grams (4-5 pounds).

A

32 weeks

50
Q

rhythmic breathing

A

32 weeks

51
Q

bones fully developed

A

32 weeks

52
Q

brown fat deposits

A

32 weeks

53
Q

infant can store iron, calcium, and phosphorous

A

32 weeks

54
Q

less red and wrinkled at this week

A

32 weeks

55
Q

32 weeks

A

38-43 cm (15-17 in.) and 1800-2200 grams (4-5 pounds). Rhythmic breathing. Bones fully developed. Brown fat deposits. Stores iron, calcium, and phosphorous, less red and wrinkled

56
Q

greater than or equal to 3200 grams (greater than or equal to 7 pounds)

A

36 weeks

57
Q

lanugo disappearing

A

36 weeks

58
Q

occupies entire uterus

A

36 weeks

59
Q

good chance survival L/S (lecithin/sphingomyelin) ratio 2:1 (35 weeks).

A

36 weeks

60
Q

36 weeks

A

greater than or equal to 3200 grams (greater than or equal to 7 pounds). Lanugo disappearing. Occupies entire uterus. Good chance survival L/S (lecithin/sphingomyelin) ratio 2:1 (35 weeks).

Maternity NU 305 (4 decks)

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