Exam (elaborations)
NURG 603 module 8 questions with correct answers.
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- Maryville University Of St. Louis
NURG 603 module 8 questions with correct answers.
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NURG 603 module 8 questions with correct answersPregnancy: Early development Correct Answer--Fertilization in
Ampulla (outer 1/3 ) of the Fallopian Tube
-Zona reaction- sperm and ova fuse in membrane, impermeable to other
sperm
-Mitotic division called CLEAVAGE occursMorula (16 cell
ball)Blastocyst- morula with cavityTrophoblast (outer
layer)Implantation (burrow into endometrium)
-CHORIONIC VILLI- finger-like projections, into blood-filled spaces of
endometrium (forms placenta)
-Membranes form:
Chorion- from trophoblast (Outer)
Amnion- from blastocyst (inner)
EMBROYNIC PERIOD Correct Answer-Begins third week after
ovulation
EMBRYO: name now for developing human
MOST CRITICAL PERIOD OF PREGNANCY: vulnerable to
malformations due to environmental teratogens
,Lasts until 8 weeks after conception
By now the organ systems & external structures are all present and
appear human
EMBROYNIC PERIOD: WEEK THREE Correct Answer-Neural tube
forms- to become the brain and spinal cord
neural tube defects Correct Answer-
EMBRYONIC PERIOD: FOUR WEEKS Correct Answer-Heart is
forming
Limb buds beginning
Eyes and ears beginning to form
EMBRYONIC PERIOD: WEEK FIVE Correct Answer-Rapid brain
development
Paddle shaped limbs
Heart begins to beat
, EMBRYONIC PERIOD: WEEK SIX Correct Answer-Fingers forming
Ear forming
Liver taking over production of RBC's
EMBRYONIC PERIOD: WEEK SEVEN Correct Answer-Intestines
forming
EMBRYONIC PERIOD: WEEK EIGHT Correct Answer-Webbed
hands with fingers
Distinct toes
Eyelids forming
Organogenesis is complete
LESS SUSCEPTABLE TO TERATOGENS
FETAL PERIOD: WEEK 12 Correct Answer-Doubled in length
Fetus begins to move
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