PNR 105 - Exam 1 Questions and All
Correct Answers 2025-2026 Updated.
amniotic fluid - Answer maintains an even temperature around fetus, allows free floating
and symmetrical growth, acts as a cushion to protect fetus and umbilical cord
placenta - Answer A structure that allows an embryo to be nourished and oxygenated with
the mother's blood supply
umbilical cord - Answer contains two arteries (carries deoxygenated blood away from fetus)
and one vein (carries oxygenated blood to fetus)
Nageles rule for calculating EDD - Answer 1st day of the last menstrual period
Subtract 3 months
Add 7 days
hCG - Answer maintains corpus luteum
hPL - Answer hormone that increases insulin resistance
oxytocin - Answer hormone produced by the hypothalamus that increases uterine
contractions during labor; contributes to bonding, trust, relaxation
prolactin - Answer hormone that stimulates milk production
Ignaz Semmelweis - Answer identified that puerperal fever was septic, contagious, and
transmitted by unwashed hands (1861-1890)
calorie increase during first trimester - Answer 300 kcal/day
weight gain by end of first trimester - Answer 4.4lb
calorie increase during second trimester - Answer 40-340 kcal/day
weight gain in second and third trimester - Answer 1 lb/week
Correct Answers 2025-2026 Updated.
amniotic fluid - Answer maintains an even temperature around fetus, allows free floating
and symmetrical growth, acts as a cushion to protect fetus and umbilical cord
placenta - Answer A structure that allows an embryo to be nourished and oxygenated with
the mother's blood supply
umbilical cord - Answer contains two arteries (carries deoxygenated blood away from fetus)
and one vein (carries oxygenated blood to fetus)
Nageles rule for calculating EDD - Answer 1st day of the last menstrual period
Subtract 3 months
Add 7 days
hCG - Answer maintains corpus luteum
hPL - Answer hormone that increases insulin resistance
oxytocin - Answer hormone produced by the hypothalamus that increases uterine
contractions during labor; contributes to bonding, trust, relaxation
prolactin - Answer hormone that stimulates milk production
Ignaz Semmelweis - Answer identified that puerperal fever was septic, contagious, and
transmitted by unwashed hands (1861-1890)
calorie increase during first trimester - Answer 300 kcal/day
weight gain by end of first trimester - Answer 4.4lb
calorie increase during second trimester - Answer 40-340 kcal/day
weight gain in second and third trimester - Answer 1 lb/week
