Questions & answers rated A+
2025/2026
What causes the endometrium to break down if fertilization does not occur? - correct answer
✔✔If a fertilized egg does not implant, then the corpus luteum will self-destruct in the last days
of the cycle. After the progesterone and estrogen levels crash and the endometrium breaks
down (period)
What are some common reasons birth control fails? - correct answer ✔✔-girls do not take birth
control pills consistently
-condoms break
-people do not accurately presume when ovulation is and isn't occurring
-pre-ejaculation fluid may contain sperm (pull out method)
-diaphragm is placed wrong
How is breast feeding good for mom and the baby - correct answer ✔✔Baby Benefits:
-Breast milk provides the ideal nutrition for infants
-Breast milk contains antibodies that help your baby fight off viruses and bacteria.
-lowers your baby's risk of having asthma or allergies.
-linked to higher IQs later in life
Mom Benefits:
-burns extra calories, so it can help you lose pregnancy weight faster.
-releases the hormone oxytocin, which helps your uterus return to its pre-pregnancy size and
may reduce uterine bleeding after birth.
- lowers risk of breast and ovarian cancer and osteoporosis
, What hormone levels are high at childbirth - correct answer ✔✔oxytocin
If ovulation occurs on day 14, then when will the corpus luteum form? - correct answer
✔✔same day as ovulation, so 14
If progesterone levels are not high during the second half of the menstrual cycle, this means
what
structure is not producing enough of its hormones - correct answer ✔✔ovaries
When will a surge of LH take place in a 27 day cycle? - correct answer ✔✔a Surge of LH triggers
ovulation.
ovulation = end of the cycle - 14 days
27-14= day 13
What causes cataracts? - correct answer ✔✔-genetic fault causing the lens to form abnormally
-genetic condition such as down syndrom
-injury to the eye
-certain infections picked up by the mother during pregnancy - including rubella and chickenpox
When an oocyte is released from an ovary, it will next - correct answer ✔✔travel through the
oviduct and into the uterus of fertilized
In a 28 day cycle on which of the following days is progesterone secretion the lowest? 4,15, 19,
23 - correct answer ✔✔4, after the failure of the corpus luteum
What will the embryonic cells turn into? - correct answer ✔✔embyro