QUESTIONS AND ANSWERS WITH FULL RATIONALES |
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preconceptual care - correct answer -•Genetic History
•Hx of chronic illnesses, pre-existing disease
•Environmental hazards
•Substance abuse
tobacco
ETOH
drugs-OTC and illicit
caffeine-avoid or limit
•Nutritional status (1800-2000kcal/day)
1.Miscarriage
2.Stillbirth
3.LBW or SGA
4.Childhood acute leukemia
5.Overweight or obese children - correct answer -Adverse effects of caffeine
Folic Acid - correct answer -•(0.4-0.8 mg supplement/day)
•Reduces risk of Neural Tube Defects (NTD) by 2/3
•Common medications lower folic acid levels (Oral Contraceptives)
· Undercooked hot dogs
,· Lunch meat
· Soft cheeses, pate, refrigerated smoked seafood
· Unpasteurized milk - correct answer -What foods cause listeriosis?
corpus luteum - correct answer -empty ovarian follicle that secretes progesterone after release
of the egg cell
Progesterone - correct answer -Hormone of pregnancy:
Thicken the uterine lining
Sustain a healthy pregnancy
Prevent resumption of menses
Inhibits uterine contractions
•Promotes vascular dilation (2nd trimester decrease in BP; and gradual return to baseline by
term)
•raises body temperature
relaxation of smooth muscle
distal 1/3 of Fallopian tubes (ampulla) - correct answer -Where does fertilization occur?
Zygote - correct answer -the fertilized egg; it enters a 2-week period of rapid cell division and
develops into an embryo
Morula - correct answer -solid ball of cells, enters uterus in 3-4 days
Blastocyst - correct answer -inner layer of morula
Trophoblast - correct answer -outer cells of morula, develops into placenta
, Gonadotropin-releasing hormone (GnRH) - correct answer -Released by the hypothalamus to
promote secretion of follicle-stimulating hormone (FSH) and luteinizing hormone (LH)
Follicle-stimulating hormone (FSH) - correct answer -primary hormone responsible for
maturation of the follicles of the ovary that will subsequently release eggs for fertilization
Luteinizing hormone (LH) - correct answer -responsible for the final maturation and release of
the egg from the follicle. Levels peak approximately 12 to 24 hours prior to follicle rupture
(ovulation).
human chorionic gonadotropin (hCG) - correct answer -hormone produced by the placenta to
sustain pregnancy by stimulating the ovaries to produce estrogen and progesterone
•Found in blood (quantitative) or urine ( + or - )
•Positive 3-4 days post-implantation (approximately 10 days after fertilization)
embryonic period - correct answer -4-8 weeks after fertilization
•Critical development of organ systems
•Developing areas with rapid cell division most vulnerable to teratogens
•High risk of mortality
weeks 9-12 - correct answer -•eyelids fused, M/F genitalia recognizable by 12 weeks
Weeks 13-16 - correct answer -•fetus doubles in size; kidneys excrete urine; placenta fully
formed
weeks 17-23 - correct answer -pre-viable; body covered with lanugo and vernix; mother
perceives fetal movement 18-20 weeks (primigravida, earlier if multipara)