PSYO 353 HUMAN SEXUALITY FINAL EXAM
QUESTIONS AND VERIFIED ANSWERS
What is the chance of pregnancy any time you have sex? - Answers - 21%
What is the average length of time it takes for someone to become pregnant? - Answers
- 5.3 months
What is the rate of movement of sperm vs egg? - Answers - sperm: 1-2 cm/hr
egg: 0.14cm/3-4 days
How long does it take for the egg to reach the fallopian tubes? - Answers - within 24
hours of ovulation, but up to 5 days in the uterus
What are some signs of pregnancy? - Answers - Feelings of fatigue/drowsiness
Missed period
Breasts, urination, vaginal secretions
Morning sickness (first 6-8 weeks)
- queasy sensation and aversion to food/odours
- nausea
- 1:4 have none
- 1:200 have severe morning sickness
Physician:
- Chadwick's sign
- Hegar's sign
When can you diagnose pregnancy? - Answers - within 48 hours of fertilization
What are the different tests for pregnancy? How long does it take for each to give you a
correct answer? - Answers - Rosette Inhibition Assay - 48 hours
Radioimmunoassay - 7 days
Standard tests - urine (7-12 days), blood (6-8 days)
When taking a urine pregnancy test - Answers - what is the hormone present if you're
pregnant?,Human Chorionic Gonadotropin (hCG)
What is the false pregnancy rate and the missed pregnancy rate for pregnancy tests? -
Answers - 3% false positive (shows you're pregnant when you're not)
20% missed pregnancy (shows negative, but you're actually pregnant).
What are the timelines for absolute pregnancy confirmation? - Answers - Fetal
heartbeat: 9-12 weeks
, Fetal skeleton via ultrasound: end of 4th month
Fetal movements: end of 4th month
What occurs during "false labour"? - Answers - Sporatic contractions of the uterus -
called Braxton Hicks Contractions
What causes false labour? - Answers - The baby dropping in the belly 3-4 weeks before
true labour begins.
Pressure of the baby dropping = softening and dilation of the cervix
What is true labour? - Answers - regular and rhythmic uterine contractions
results in delivery of baby, placenta and fetal membranes
What is the process of labour starting? - Answers - Fetal adrenal gland --> hormones
released --> placenta and uterus --> prostaglandins (stimulus that gets uterus to
contract)
The mother produces oxytocin from posterior pituitary gland in late stage of labour,
resulting in more contractions and the fetus being expelled
Birth is dependent on who? The mother or the fetus? - Answers - The FETUS
Explain the first stage of labour - Answers - 1: first contraction until cervix is fully dilated
(10 cm), 15-20 mins apart initially, then become more frequent and intense
Explain the second stage of labour - Answers - 2: full dilation of cervix to deliver baby,
few mins to several hours for delivering the baby.
Passage of the baby through the birth canal/vagina, and delivery into the world
membrane ruptures and amniotic fluid gushes out.
umbilical cord is cut after breathing starts
Explain the third stage of labour - Answers - After-birth: expulsion of the placenta, blood
and fluid.
uterus contracts and there may be some bleeding
could last a few minutes to an hour
Why is a Caesarean section needed sometimes? - Answers - Baby is too large
The cord/position of the baby is not good
length of labour is too long
What is the recovery/hospital stay of the C-section vs a natural birth? - Answers - 5-6
days vs 1-2 days for natural birth
At what age are you more likely to have a C-section? - Answers - 35+ years old
QUESTIONS AND VERIFIED ANSWERS
What is the chance of pregnancy any time you have sex? - Answers - 21%
What is the average length of time it takes for someone to become pregnant? - Answers
- 5.3 months
What is the rate of movement of sperm vs egg? - Answers - sperm: 1-2 cm/hr
egg: 0.14cm/3-4 days
How long does it take for the egg to reach the fallopian tubes? - Answers - within 24
hours of ovulation, but up to 5 days in the uterus
What are some signs of pregnancy? - Answers - Feelings of fatigue/drowsiness
Missed period
Breasts, urination, vaginal secretions
Morning sickness (first 6-8 weeks)
- queasy sensation and aversion to food/odours
- nausea
- 1:4 have none
- 1:200 have severe morning sickness
Physician:
- Chadwick's sign
- Hegar's sign
When can you diagnose pregnancy? - Answers - within 48 hours of fertilization
What are the different tests for pregnancy? How long does it take for each to give you a
correct answer? - Answers - Rosette Inhibition Assay - 48 hours
Radioimmunoassay - 7 days
Standard tests - urine (7-12 days), blood (6-8 days)
When taking a urine pregnancy test - Answers - what is the hormone present if you're
pregnant?,Human Chorionic Gonadotropin (hCG)
What is the false pregnancy rate and the missed pregnancy rate for pregnancy tests? -
Answers - 3% false positive (shows you're pregnant when you're not)
20% missed pregnancy (shows negative, but you're actually pregnant).
What are the timelines for absolute pregnancy confirmation? - Answers - Fetal
heartbeat: 9-12 weeks
, Fetal skeleton via ultrasound: end of 4th month
Fetal movements: end of 4th month
What occurs during "false labour"? - Answers - Sporatic contractions of the uterus -
called Braxton Hicks Contractions
What causes false labour? - Answers - The baby dropping in the belly 3-4 weeks before
true labour begins.
Pressure of the baby dropping = softening and dilation of the cervix
What is true labour? - Answers - regular and rhythmic uterine contractions
results in delivery of baby, placenta and fetal membranes
What is the process of labour starting? - Answers - Fetal adrenal gland --> hormones
released --> placenta and uterus --> prostaglandins (stimulus that gets uterus to
contract)
The mother produces oxytocin from posterior pituitary gland in late stage of labour,
resulting in more contractions and the fetus being expelled
Birth is dependent on who? The mother or the fetus? - Answers - The FETUS
Explain the first stage of labour - Answers - 1: first contraction until cervix is fully dilated
(10 cm), 15-20 mins apart initially, then become more frequent and intense
Explain the second stage of labour - Answers - 2: full dilation of cervix to deliver baby,
few mins to several hours for delivering the baby.
Passage of the baby through the birth canal/vagina, and delivery into the world
membrane ruptures and amniotic fluid gushes out.
umbilical cord is cut after breathing starts
Explain the third stage of labour - Answers - After-birth: expulsion of the placenta, blood
and fluid.
uterus contracts and there may be some bleeding
could last a few minutes to an hour
Why is a Caesarean section needed sometimes? - Answers - Baby is too large
The cord/position of the baby is not good
length of labour is too long
What is the recovery/hospital stay of the C-section vs a natural birth? - Answers - 5-6
days vs 1-2 days for natural birth
At what age are you more likely to have a C-section? - Answers - 35+ years old
