HS 2700 Midterm || ACTUAL QUESTIONS WITH A+
GRADED SOLUTIONS!!
Gametes correct answers Cells that unite at conception
Zygote correct answers A single cell created when sperm and ovum unite
How many multiple births occur in Canada? correct answers 3.1 out of every 100 births
What is the reason for an increase in multiple births? correct answers Women over age 35
giving birth has increased
How many twins are fraternal? correct answers 2/3
How many twins are identical? correct answers 1/3
Fertility Drugs correct answers Hormones that stimulate gamete production
In Vitro Fertilization (IVF) correct answers Uniting an ovum and a sperm in a lab dish and
implanting the resulting embryo in a woman's uterus
Cryopreservation correct answers Preserving cells or tissues through a freezing process that
stops all biological activity
Cryoprotectants correct answers Antifreeze like liquid that permeates the embryo
Vitrification correct answers Use of cryoprotectants along with rapid cooling to prevent the
fluid in biological tissues from forming ice crystals from dehydration
Vitrification reduces: correct answers the need to transfer multiple fertilizer embryos to a
womb
How many women under 35 undergoing IVF achieve a live birth? correct answers 31%
How many women 40 or older undergoing IVF are successful? correct answers 15%
How many pregnancies end in miscarriage? correct answers 15%
Three periods of three months each correct answers Trimesters
Period of first trimester correct answers First day of last period to 12 weeks after LMP
Period of second trimester correct answers From 12 weeks after LMP to 24 weeks after LMP
Period of third trimester correct answers From 25 weeks after LMP to beginning of labour
Events in the first trimester correct answers missed period, breast enlargement, and
abdominal thickening
,Events in the second trimester correct answers weight gain, showing, fetal movement felt,
and increased appetite
Events in the third trimester correct answers weight gain, breast discharge (colostrum)
In what trimester is sex determined? correct answers second trimester
In what trimester does treatment of Rh incompatibility occur? correct answers third trimester
In what trimester is gestational diabetes a problem? correct answers second trimester
In what trimester is Rh incompatibility a problem? correct answers second trimester
cephalocadual development correct answers head to toe
proximodistal development correct answers centre of the body outward
Germinal stage correct answers The first phase of prenatal development, conception to
implantation
Placenta correct answers A structure that allows an embryo to be nourished with the mother's
blood supply
embryonic period correct answers 3 to 8 weeks
Milestones of embryonic stage correct answers organogenesis
Fetal stage period correct answers weeks 9 to 38
Age of viability correct answers 23 weeks
25 week survival rate correct answers 50%
How many children and youth with complex care conditions? correct answers 1%
Development during 9-12 weeks correct answers fingerprints, grasping reflex, facial
expressions, swallowing and rhythmic breathing of amniotic fluid urination, genitalia, periods
of rest and activity
development during 13-16 weeks correct answers hair follicles, responds to mothers voice
and loud noises, 8-12 cm long, weight 25-100 g
development during 17-20 weeks correct answers fetal movements felt, heartbeat detected,
hair covers body, eyes respond to light, eyebrows, fingernails
development during 21-24 weeks correct answers vernix (oil) protects skin, lungs produce
surfactant, viability
development during 25-28 weeks correct answers recognize mothers voice, regular rest and
activity, good chance of survival
, development during 28-32 weeks correct answers rapid growth, antibodies acquired, fat
deposited under skin
development during 33-26 weeks correct answers movement to birth position, lungs mature
development 37+ weeks correct answers full-term status
When do neurons develop? correct answers week 3
When does neuronal proliferation occur? correct answers between 10th and 18th weeks
When do neurons migrate to the brain? correct answers Between 13th and 21st weeks
Glial cells correct answers holds the neurons together to give shape to the brain's major
structures
Adrogens correct answers male sex hormones
When do androgens begin secretion? correct answers 4 and 8 weeks
Male fetuses are more responsive to ____ correct answers touch
Female fetuses are more responsive to ___ correct answers sound
True or false: females grow more slowly in prenatal development correct answers True
True or false: females are ahead in prenatal bone development correct answers true
congential anomaly correct answers abnormality present at birth
autosomal disorders correct answers genetic disorders caused by genes on autosomes
When are disorders caused by dominant genes diagnosed? correct answers Adulthood
Phenylketonuria (PKU) correct answers a disorder related to a defective recessive gene that
prevents metabolism of phenylalanine
sickle cell disease correct answers recessive gene disorder with red blood deformities causing
lack of oxygen to tissue
Tay-Sachs disease correct answers recessive allele that leads to the accumulation of certain
lipids in the brain.
Huntington's disease correct answers Dominant allele causing the brain to deteriorate
affecting psychological and motor functions
Hemophilia correct answers sex linked disorder in which blood lacks the chemical
components that cause blood clots
GRADED SOLUTIONS!!
Gametes correct answers Cells that unite at conception
Zygote correct answers A single cell created when sperm and ovum unite
How many multiple births occur in Canada? correct answers 3.1 out of every 100 births
What is the reason for an increase in multiple births? correct answers Women over age 35
giving birth has increased
How many twins are fraternal? correct answers 2/3
How many twins are identical? correct answers 1/3
Fertility Drugs correct answers Hormones that stimulate gamete production
In Vitro Fertilization (IVF) correct answers Uniting an ovum and a sperm in a lab dish and
implanting the resulting embryo in a woman's uterus
Cryopreservation correct answers Preserving cells or tissues through a freezing process that
stops all biological activity
Cryoprotectants correct answers Antifreeze like liquid that permeates the embryo
Vitrification correct answers Use of cryoprotectants along with rapid cooling to prevent the
fluid in biological tissues from forming ice crystals from dehydration
Vitrification reduces: correct answers the need to transfer multiple fertilizer embryos to a
womb
How many women under 35 undergoing IVF achieve a live birth? correct answers 31%
How many women 40 or older undergoing IVF are successful? correct answers 15%
How many pregnancies end in miscarriage? correct answers 15%
Three periods of three months each correct answers Trimesters
Period of first trimester correct answers First day of last period to 12 weeks after LMP
Period of second trimester correct answers From 12 weeks after LMP to 24 weeks after LMP
Period of third trimester correct answers From 25 weeks after LMP to beginning of labour
Events in the first trimester correct answers missed period, breast enlargement, and
abdominal thickening
,Events in the second trimester correct answers weight gain, showing, fetal movement felt,
and increased appetite
Events in the third trimester correct answers weight gain, breast discharge (colostrum)
In what trimester is sex determined? correct answers second trimester
In what trimester does treatment of Rh incompatibility occur? correct answers third trimester
In what trimester is gestational diabetes a problem? correct answers second trimester
In what trimester is Rh incompatibility a problem? correct answers second trimester
cephalocadual development correct answers head to toe
proximodistal development correct answers centre of the body outward
Germinal stage correct answers The first phase of prenatal development, conception to
implantation
Placenta correct answers A structure that allows an embryo to be nourished with the mother's
blood supply
embryonic period correct answers 3 to 8 weeks
Milestones of embryonic stage correct answers organogenesis
Fetal stage period correct answers weeks 9 to 38
Age of viability correct answers 23 weeks
25 week survival rate correct answers 50%
How many children and youth with complex care conditions? correct answers 1%
Development during 9-12 weeks correct answers fingerprints, grasping reflex, facial
expressions, swallowing and rhythmic breathing of amniotic fluid urination, genitalia, periods
of rest and activity
development during 13-16 weeks correct answers hair follicles, responds to mothers voice
and loud noises, 8-12 cm long, weight 25-100 g
development during 17-20 weeks correct answers fetal movements felt, heartbeat detected,
hair covers body, eyes respond to light, eyebrows, fingernails
development during 21-24 weeks correct answers vernix (oil) protects skin, lungs produce
surfactant, viability
development during 25-28 weeks correct answers recognize mothers voice, regular rest and
activity, good chance of survival
, development during 28-32 weeks correct answers rapid growth, antibodies acquired, fat
deposited under skin
development during 33-26 weeks correct answers movement to birth position, lungs mature
development 37+ weeks correct answers full-term status
When do neurons develop? correct answers week 3
When does neuronal proliferation occur? correct answers between 10th and 18th weeks
When do neurons migrate to the brain? correct answers Between 13th and 21st weeks
Glial cells correct answers holds the neurons together to give shape to the brain's major
structures
Adrogens correct answers male sex hormones
When do androgens begin secretion? correct answers 4 and 8 weeks
Male fetuses are more responsive to ____ correct answers touch
Female fetuses are more responsive to ___ correct answers sound
True or false: females grow more slowly in prenatal development correct answers True
True or false: females are ahead in prenatal bone development correct answers true
congential anomaly correct answers abnormality present at birth
autosomal disorders correct answers genetic disorders caused by genes on autosomes
When are disorders caused by dominant genes diagnosed? correct answers Adulthood
Phenylketonuria (PKU) correct answers a disorder related to a defective recessive gene that
prevents metabolism of phenylalanine
sickle cell disease correct answers recessive gene disorder with red blood deformities causing
lack of oxygen to tissue
Tay-Sachs disease correct answers recessive allele that leads to the accumulation of certain
lipids in the brain.
Huntington's disease correct answers Dominant allele causing the brain to deteriorate
affecting psychological and motor functions
Hemophilia correct answers sex linked disorder in which blood lacks the chemical
components that cause blood clots
