WorksheetsHHD Chapter 9 review
Total questions: 40
Worksheet time: 25mins
When is the embryonic stage?
0-2 weeks
3-8 weeks
9 weeks - birth
8-12 weeks
When is the germinal stage?
0-2 weeks
3-8 weeks
9 weeks - birth
8-12 weeks
When is the foetal stage?
0-2 weeks
3-8 weeks
9 weeks - birth
8-12 weeks
Select the INCORRECT statement about sperm and ova.
Ovum means 'many eggs'
Sperm production begins during puberty
Ova mature during puberty
Ova form in the ovaries before a female is born
The fusing of a sperm and egg cell marks the beginning of pregnancy and is referred to as:
(a)
Where does fertilisation usually occur?
Ovaries
Uterus
Fallopian Tubes
Vagina
A solid ball of about 16 cells is referred to as:
zygote
morula
blastocyst
embryo
What is the name of the structure shown here:
zygote
morula
blastocyst
embryo
What does the inner cell mass labelled 'B' develop into?
placenta
zygote
morula
embryo
What does the cluster of cells making up an outer cell mass labelled 'A' become?
placenta
zygote
morula
embryo
In which stage does the placenta begin to form?
Germinal
Embryonic
Foetal
In which stage is the placenta fully developed and functioning?
Germinal
Embryonic
Foetal
Name the event that marks the end of the germinal stage:
(a)
Implantation is when a cluster of cells (blastocyst) that will become an embryo attaches itself to the (a) .
In which stage of prenatal development are major organs formed?
Fertilisation
Germinal
Embryonic
Foetal
Anything in the environment of the embryo that can cause defects in development are referred to as:
teratogens
mutagens
threats
dangers
What characterises the embryonic stage of prenatal development?
Cell differentiation
Fertilisation
Developmental milestones
Sex organs start to take shape
Organogenesis is the formation of (a) .
Which of the following is NOT an example of a teratogen:
Nutrient supplements
Alcohol
Tobacco smoke
Prescription medication
What characterises the foetal stage of prenatal development?
Cell differentiation
Rapid growth
Implantation
All of the above
Which of the following is provided to the foetus via the placenta?
nutrients
oxygen
urine
carbon dioxide
immune support
Which of the following is removed by the placenta?
nutrients
oxygen
urine
carbon dioxide
immune support
When can the sex of the foetus be distinguished via an ultrasound?
9-13 weeks
14-18 weeks
19-23 weeks
24-28 weeks
Instead of air, a foetus' lungs are filled with:
(a)
A foetus begins making surfactant around week 24 in preparation for:
hearing
smelling
tasting
breathing
A nutrient that is particularly important for a woman prior to and during pregnancy:
(a)
Which of the following foods should women avoid during pregnancy:
eggs
soft cheese
some seafood
soft serve ice cream
yoghurt
Adequate folate consumption before and during pregnancy reduces the risk of ____________ ________ ______________.
(a)
Fish, seaweed, eggs, cow’s milk and strawberries are good sources of:
iodine
folate
iron
folic acid
Green leafy vegetables, poultry, eggs, cereals, citrus fruits and legumes are good sources of
iodine
folate
iron
calcium
Red meat, fortified cereals, egg yolks, legumes, nuts and green leafy vegetables are good sources of:
iodine
folate
iron
folic acid
What is the condition called when you lack enough iron?
cardiovascular disease
osteoporosis
anaemia
heamoglobin
Stunted growth and intellectual disability can occur if a mother's diet is lacking:
iodine
folate
iron
folic acid
Foods contain the bacteria Listeria monocytogenes can cause listeria infection and increase the risk of:
miscarriage
still birth
overdue labour
premature labour
ectopic pregnancy
Which of the following is required for blood cell formation, DNA synthesis, cell growth and the development of the nervous system.
folate
iron
iodine
calcium
Which of the following is required for optimal brain and nervous system development?
folate
iron
iodine
calcium
Which of the following is required for oxygen demands for the foetus and energy needs of the mother?
folate
iron
iodine
calcium
Tobacco smoke contains chemicals that:
contribute to foetal alcohol spectrum disorder (FASD)
reduce the flow of oxygen to
expose the foetus to toxins
cause high birthweight
cause changes in facial features
When alcohol is consumed by a pregnant woman, it crosses the placenta from the mother’s blood to the baby’s blood and can result in __________ _________ ___________ ___________ (FASD).
(a)
Which of the following is not a common effect of foetal alcohol syndrome?
high birth weight
harm to the nervous system
changes in facial features
undernourishment
