Reproductive System (Sanders)

Question 1

True pelvis

Answer 1

Lies below the pelvic brim

Consists of the pelvic inlet, the mid pelvis and the pelvic outlet

Question 2

False pelvis

Answer 2

The shallow portion above the pelvic brim

Supports the abdominal viscera (hips)

Question 3

Fertilization

Answer 3

Occurs in the ampulla (outer third) of the fallopian (uterine) tube when sperm and ova (egg) unite

Question 4

Chromosomes

Answer 4

Each cell carries 23

23 mom
23 dad

Dad chromosomes determines sex of the baby

Sperm carry an X and a Y chromosome

Male: XY
Female: XX

Question 5

Amniotic fluid

Answer 5

800 to 1200 ml by the end of pregnancy

Surrounds, cushions and protects the fetus and allows for fetal movement

Maintains the body temperature of the fetus

Contains fetal urine and is a measure of fetal kidney function

The fetus modifies the amniotic fluid through the processes of swallowing, urinating, and movement of fluid through the respiratory tract

Question 6

Placenta

Answer 6

Provided for exchange of nutrients and waste products between the fetus and the mother

Begins to form at implantation and is complete by week 12

•produces hormones to maintain pregnancy

•transfer of maternal immunoglobulin provided the fetus with passive immunity to certain diseases for the first few months after birth (third trimester)

•bacteria can NOT pass through the placenta. Nutrients, medication, alcohol, antibodies and viruses CAN pass through the placenta

Question 7

Umbilical cord

Answer 7

Contains 2 arteries and 1 vein

The arteries carry the deoxygenated blood and waste products from the fetus

The vein carries oxygenated blood and provided oxygen and nutrients to the fetus

Question 8

Fetal heart rate (FHR)

Answer 8

Depends on gestational age

FHR is 160 to 170 beats/minute during the first trimester but slows with fetal growth 110 to 160

(FHR is about twice the maternal heart rate)

Question 9

Infertility

Answer 9

The involuntary inability to conceive when desired