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Exam (elaborations)

NURS 450 Exam 2 Study Questions and Correct Answers

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  • Course
  • NUR 450
  • Institution
  • NUR 450

Scientifically defined, pregnancy begins at implantations because: A. a fertiizlied egg can exist outside the human body but, the petri dish is not pregnant B. An early embryo can exisist outside the human body but, the fridge at the fertility clinic is not pregnant. C. The process of implantati...

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  • September 21, 2024
  • 18
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NUR 450
  • NUR 450
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NURS 450 Exam 2 Study Questions and
Correct Answers
Scientifically defined, pregnancy begins at implantations because:

A. a fertiizlied egg can exist outside the human body but, the petri dish is not pregnant

B. An early embryo can exisist outside the human
body but, the fridge at the fertility clinic is not pregnant.

C. The process of implantation creates an interactive relationship between host and
embryo which necessary for the development and survival of the embryo/fetus/baby

D. All of the above ✅D. All of the above

The hormone necessary to maintain an established pregnancy is

A. hCG (human Chorionic Gonadotropin)

B. Progesterone

C. Testosterone

D. Estrogen ✅B. Progesterone

Approximately how many women are effected by morning sickness?

A. 15%
B. 30%
C. 50%
D. 75% ✅D. 75%

T/F :
Most women have morning sickness though out their entire pregnancy? ✅False

Most morning sickness cases only last though the first trimester

Triplets can develop from

A. one egg, one sperm
B. one egg, three sperm
C. three eggs, one egg
D. all of the above ✅A. One egg and one sperm

,What is pregnancy? ✅- menstration
-ovulation
- fertilization
-implantation

How long is pregnancy? ✅40 weeks

How many weeks is a baby considered pre-mature ✅anything before 37 weeks

-gravida ✅pregnant

primigravida ✅first pregnancy

multigravida ✅many pregnancies

Para ✅woman who has given birth

nullipara ✅a woman who has never borne a viable child

primipara ✅first birth

Mulitipara ✅second, third, etc birth (includes twins)

Quickening ✅the first movement of the fetus in the uterus that can be felt by the
mother

Progesterone ✅- thickens the endometrium (vascular)
- supresses development of a new follicle
- inhibits uterine contractions

Placenta ✅- begins metabolic exchange between mom and baby at week 4-5
gestation
- by week 14, the plancenta is a discreet organ

1st trimester ✅LMP - 14 weeks

5-6 weeks: heart begins to beat
10 weeks: major organs grossly developed and the embryo is now considered a fetus

2nd trimester ✅14-28 weeks
- detailed development of organs and fetal growth continues
- hearing develops at 26 weeks
- eyes reopen at 26 weeks

, 3rd trimester ✅28-40 weeks
- fetal growth and development continues
- fat stores improve survival

cardiac maternal changes ✅- blood volume increases 40-45%
- HR increases
- BP decreases
- Heart displaced, murmur

respiratory maternal changes ✅- increased oxygen consumption by 15-20%
- nasal stuffiness
- nosebleeds
- decreased lung volume as fetal size increases

GI maternal changes ✅- increased saliva
- nausea
- increased metabolism
- bloating, gas, consumption
- acid reflux

musculoskeletal maternal changes ✅- loose, more relaxed (progesterone)
- Backache (fetal position, wt gain)
- center of gravity changes
- Rectus abdominus separation

skin maternal changes ✅- Linea Nigra: dark line down from umbilicus
- Chloasma: mask of pregnancy
- Straie: stretch marks
- spider veins, varicose veins
- Increased hair growth, sweat
"pregnancy glow": smoother, more supple.

vaginal maternal changes ✅- pH = 3.5 to 6.0 (pre-preg pH: 3.8 to 4.2)
- altered flora
- gradual softening, stretching

uterine maternal changes ✅- 2 oz to 2.5 lbs
- capacity 10ml to 5000 ml.
- Braxton-Hicks contractions : mild, irregular

cervical maternal changes ✅soft (Goodell's sign)
vascular (Chadwick's sign)
mucous plug

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