16097708
Descrição
Quiz por Matthew Coulson, atualizado more than 1 year ago
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Criado por Matthew Coulson
aproximadamente 6 anos atrás
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Questão 1
Questão
A Morula is an early stage embryo consisting of [blank_start]16[blank_end] cells
Responda
-
16
-
4
-
8
-
20
-
24
Questão 2
Questão
Layers of the blastocyst:
[blank_start]Trophoblast[blank_end] = Surface layer of cells of the blastocyst that penetrate the endometrium in order for implantation to occur
[blank_start]Inner Cell Mass[blank_end] = This part of the blastocyst goes on to become the embryo after implantation in the uterus
Responda
-
Trophoblast
-
Inner Cell Mass
Questão 3
Questão
Which layer of the blastocyst goes on to become the placenta?
Responda
-
Trophoblast
-
Inner Cell Mass
Questão 4
Questão
In order for implantation to occur, the trophoblastic cells of the blastocyst burrow into which layer of the uterus?
The [blank_start]Endometrium[blank_end]
Responda
-
Endometrium
Questão 5
Questão
When implantation is finished the blastocyst is completely buried within the endometrial layer.
Responda
- True
- False
Questão 6
Questão
The [blank_start]decidua[blank_end] is the uterine lining (endometrium) during a pregnancy, which forms the maternal part of the placenta
Responda
-
decidua
Questão 7
Questão
The outermost membrane surrounding an embryo formed by Trophoblastic cells is known as the [blank_start]Chorion[blank_end]
Responda
-
Chorion
Questão 8
Questão
The placenta and the foetal heart are both fully functional by the [blank_start]5th[blank_end] week of pregnancy
Responda
-
5th
-
12th
-
24th
-
20th
Questão 9
Questão
Which hormone signals the corpus luteum to continue to secrete progesterone in order to maintain the endometrium?
Responda
-
Human Chorionic Gonadotropin
-
Oestrogen
-
FSH
-
LH
-
Testosterone
Questão 10
Questão
Trophoblastic cells differentiate into syncytiotrophoblasts which invade the decidua in order to break down capillaries and to allow direct contact between foetal and maternal blood.
Responda
- True
- False
Questão 11
Questão
The small capillary projections the embryo sends into the syncytiotrophoblast maternal blood filled regions are known as placental [blank_start]villi[blank_end]
Responda
-
villi
Questão 12
Questão
Which hormone, released by the corpus luteum, stimulates the endometrium to concentrate glycogen, protein and lipids?
[blank_start]Progesterone[blank_end]
Responda
-
Progesterone
Questão 13
Questão
During foetal development, the lungs are deflated. Which structure allows gas exchange whilst such development is occurring?
The [blank_start]Placenta[blank_end]
Responda
-
Placenta
Questão 14
Questão
Oxygen saturated blood reaches the foetus via the [blank_start]umbilical[blank_end] [blank_start]vein[blank_end] after saturation from maternal blood.
Responda
-
umbilical
-
uterine
-
vein
-
artery
Questão 15
Questão
Foetal haemoglobin has a lower affinity for oxygen and thus the mother is required to provide the foetus with increased amounts of oxygen.
Responda
- True
- False
Questão 16
Questão
There is a higher concentration of haemoglobin in the foetal blood
Responda
- True
- False
Questão 17
Questão
In the umbilical cord, there [blank_start]are 2 umbilical arteries[blank_end] and [blank_start]1 umbilical vein[blank_end]
Responda
-
are 2 umbilical arteries
-
is 1 umbilical artery
-
1 umbilical vein
-
2 umbilical veins
Questão 18
Questão
Which blood vessel(s) carries oxygen rich blood from the placenta to the foetus via the umbilical cord?
The umbilical [blank_start]vein[blank_end]
Responda
-
vein
-
arteries
Questão 19
Questão
Which vessel(s) carries poorly oxygenated blood from the foetus to the placenta via the umbilical cord?
Umbilical [blank_start]arteries[blank_end]
Responda
-
arteries
-
vein
Questão 20
Questão
After gas exchange has occurred at the placenta so that the umbilical vein has been perfused with oxygen to go to the foetus, which veins drain the now deoxygenated maternal blood back towards the mother's heart?
The [blank_start]Uterine[blank_end] Veins
Responda
-
Uterine
Questão 21
Questão
Why does foetal haemoglobin have a higher affinity for oxygen than adult haemoglobin?
Responda
-
Foetal blood has lower CO2 levels thus leading to a left shift in the oxygen dissociation curve
-
Foetal blood is less acidic thus leading to a left shift in the oxygen dissociation curve
-
Foetal haemoglobin interacts less with 2,3-diphosphoglycerate thus leading to a left shift in the oxygen dissociation curve
-
Foetal blood is a lower temperature than adult blood thus leading to a left shift in the oxygen dissociation curve
Questão 22
Questão
Which hormone prevents the degeneration of the corpus luteum?
Responda
-
hCG
-
Oestrogen
-
Testosterone
Questão 23
Questão
Electrolytes such as Calcium and Iron follow the osmotic gradient and thus these nutrients never pass from foetus to mother during pregnancy.
Responda
- True
- False
Questão 24
Questão
Which three of the following statements are true about Human Chorionic Somatomammotropin (hCS)
Responda
-
It is produced as of Week 5 of pregnancy
-
It is produced as of week 8 of pregnancy
-
It decreases insulin sensitivity in the mother, allowing more glucose to be available to the foetus
-
It has a direct effect on the testes of the male foetus, aiding the development of the male sex organs
-
It is directly involved in the development of the breasts during pregnancy
-
It prevents degradation of the corpus luteum by promoting progesterone secretion
Questão 25
Questão
Which of the following hormones has a very similar structure to TSH and binds to thyroid receptors in some cases leading to Hyperthyroidism in some pregnant women?
Responda
-
hCG
-
Progesterone
-
Oestrogen
-
FSH
-
LH
Questão 26
Questão
Pregnancy causes an increased demand for Calcium in the body.
This can predispose to which endocrine condition?
[blank_start]Hyperparathyroidism[blank_end]
Responda
-
Hyperparathyroidism
Questão 27
Questão
During pregnancy, along with the increased heart rate and cardiac output, the blood pressure of the mother typically [blank_start]decreases[blank_end]
Responda
-
decreases
-
increases
Questão 28
Questão
Which two clinical signs are the main indicators of pre-eclampsia? (give in alphabetical order)
[blank_start]Hypertension[blank_end]
[blank_start]Proteinuria[blank_end]
Responda
-
Hypertension
-
Proteinuria
Questão 29
Questão
As well as hypertension and proteinuria, pre-eclampsia is also commonly marked by oedema formation in which two of the following areas?
Responda
-
Hands
-
Feet
-
Face
-
Sacrum
-
Lungs
Questão 30
Questão
Eclampsia (extreme pre-eclampsia) is lethal without treatment
Responda
- True
- False
Questão 31
Questão
Which three of the following commonly occur due to eclampsia?
Responda
-
Extreme hypotension
-
Extreme hypertension
-
Coma
-
Chronic Seizures
-
Vomiting
-
Muscular spasming
-
Umbilical herniation
-
Cardiac Arrhythmias
Questão 32
Questão
What is the best treatment for pre-eclampsia if the woman is approaching or has reached term?
Responda
-
Anti-hypertensives (e.g. labetalol)
-
Early delivery of baby
-
Vasodilating medications
Questão 33
Questão
Pregnant woman require how many extra calories a day (kcal)?
Responda
-
1500-2000 kcal
-
1000-1250 kcal
-
250-300 kcal
-
500-750 kcal
Questão 34
Questão
During which trimester is a woman most likely to develop gestational diabetes?
Responda
-
1st trimester
-
2nd trimester
-
3rd trimester
Questão 35
Questão
Which supplement is given to pregnant women to prevent neural tube defects?
[blank_start]Folic acid[blank_end] supplementation
Responda
-
Folic acid
Questão 36
Questão
The term for the birth of a baby is [blank_start]Parturition[blank_end]
Responda
-
Parturition
Questão 37
Questão
During parturition, which hormone can be given in order to increase the power of a woman's contractions?
[blank_start]Oxytocin[blank_end] Intramuscular injection
Responda
-
Oxytocin
Questão 38
Questão
A woman with a multiple pregnancy (e.g. twins, triplets, etc) is more likely to have an early delivery due to the fact that stretching of the uterus actively increases its likelihood for its musculature to contract.
Responda
- True
- False
Questão 39
Questão
Braxton Hicks contractions indicate the beginning of labour.
Responda
- True
- False
Questão 40
Questão
During which trimester do Braxton Hicks contractions typically occur?
Responda
-
1st trimester
-
2nd trimester
-
3rd trimester
Questão 41
Questão
Stages of labour:
1st Stage: Cervical dilation [blank_start](8-24 hours)[blank_end]
2nd Stage: passage through birth canal [blank_start](few mins - 120 mins)[blank_end]
3rd Stage: Expulsion of placenta
Responda
-
(few mins - 120 mins)
-
(8-24 hours)
-
(8-24 hours)
-
(few mins - 120 mins)
Questão 42
Questão
During labour the cervix typically dilates at around [blank_start]1cm[blank_end] per hour
Responda
-
1cm
-
0.5cm
-
2cm
-
3cm
Questão 43
Questão
At birth there is a sudden drop in progesterone and oestrogen levels. This allows which pituitary hormone to stimulate lactation?
[blank_start]Prolactin[blank_end]
Responda
-
Prolactin
Questão 44
Questão
As well as prolactin, which other pituitary hormone is key to lactation via promotion of smooth muscle contraction within the breast?
[blank_start]Oxytocin[blank_end]
Responda
-
Oxytocin
Questão 45
Questão
It has been scientifically proven that the sound of a child's cry increases the production of which two hormones, thus increasing a woman's likelihood to lactate? (alphabetical order)
[blank_start]Oxytocin[blank_end]
[blank_start]Prolactin[blank_end]
Responda
-
Oxytocin
-
Prolactin
Questão 46
Questão
The milk 'let down' reflex is in regard to which pituitary hormone?
[blank_start]Oxytocin[blank_end]
Responda
-
Oxytocin
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