16097708
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Quiz von Matthew Coulson, aktualisiert more than 1 year ago
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Erstellt von Matthew Coulson
vor etwa 6 Jahre
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Frage 1
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A Morula is an early stage embryo consisting of [blank_start]16[blank_end] cells
Antworten
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16
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4
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8
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20
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24
Frage 2
Frage
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
Antworten
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Trophoblast
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Inner Cell Mass
Frage 3
Frage
Which layer of the blastocyst goes on to become the placenta?
Antworten
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Trophoblast
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Inner Cell Mass
Frage 4
Frage
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]
Antworten
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Endometrium
Frage 5
Frage
When implantation is finished the blastocyst is completely buried within the endometrial layer.
Antworten
- True
- False
Frage 6
Frage
The [blank_start]decidua[blank_end] is the uterine lining (endometrium) during a pregnancy, which forms the maternal part of the placenta
Antworten
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decidua
Frage 7
Frage
The outermost membrane surrounding an embryo formed by Trophoblastic cells is known as the [blank_start]Chorion[blank_end]
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Chorion
Frage 8
Frage
The placenta and the foetal heart are both fully functional by the [blank_start]5th[blank_end] week of pregnancy
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5th
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12th
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24th
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20th
Frage 9
Frage
Which hormone signals the corpus luteum to continue to secrete progesterone in order to maintain the endometrium?
Antworten
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Human Chorionic Gonadotropin
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Oestrogen
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FSH
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LH
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Testosterone
Frage 10
Frage
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.
Antworten
- True
- False
Frage 11
Frage
The small capillary projections the embryo sends into the syncytiotrophoblast maternal blood filled regions are known as placental [blank_start]villi[blank_end]
Antworten
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villi
Frage 12
Frage
Which hormone, released by the corpus luteum, stimulates the endometrium to concentrate glycogen, protein and lipids?
[blank_start]Progesterone[blank_end]
Antworten
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Progesterone
Frage 13
Frage
During foetal development, the lungs are deflated. Which structure allows gas exchange whilst such development is occurring?
The [blank_start]Placenta[blank_end]
Antworten
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Placenta
Frage 14
Frage
Oxygen saturated blood reaches the foetus via the [blank_start]umbilical[blank_end] [blank_start]vein[blank_end] after saturation from maternal blood.
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umbilical
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uterine
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vein
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artery
Frage 15
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Foetal haemoglobin has a lower affinity for oxygen and thus the mother is required to provide the foetus with increased amounts of oxygen.
Antworten
- True
- False
Frage 16
Frage
There is a higher concentration of haemoglobin in the foetal blood
Antworten
- True
- False
Frage 17
Frage
In the umbilical cord, there [blank_start]are 2 umbilical arteries[blank_end] and [blank_start]1 umbilical vein[blank_end]
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are 2 umbilical arteries
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is 1 umbilical artery
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1 umbilical vein
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2 umbilical veins
Frage 18
Frage
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]
Antworten
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vein
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arteries
Frage 19
Frage
Which vessel(s) carries poorly oxygenated blood from the foetus to the placenta via the umbilical cord?
Umbilical [blank_start]arteries[blank_end]
Antworten
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arteries
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vein
Frage 20
Frage
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
Antworten
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Uterine
Frage 21
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Why does foetal haemoglobin have a higher affinity for oxygen than adult haemoglobin?
Antworten
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Foetal blood has lower CO2 levels thus leading to a left shift in the oxygen dissociation curve
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Foetal blood is less acidic thus leading to a left shift in the oxygen dissociation curve
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Foetal haemoglobin interacts less with 2,3-diphosphoglycerate thus leading to a left shift in the oxygen dissociation curve
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Foetal blood is a lower temperature than adult blood thus leading to a left shift in the oxygen dissociation curve
Frage 22
Frage
Which hormone prevents the degeneration of the corpus luteum?
Antworten
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hCG
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Oestrogen
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Testosterone
Frage 23
Frage
Electrolytes such as Calcium and Iron follow the osmotic gradient and thus these nutrients never pass from foetus to mother during pregnancy.
Antworten
- True
- False
Frage 24
Frage
Which three of the following statements are true about Human Chorionic Somatomammotropin (hCS)
Antworten
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It is produced as of Week 5 of pregnancy
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It is produced as of week 8 of pregnancy
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It decreases insulin sensitivity in the mother, allowing more glucose to be available to the foetus
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It has a direct effect on the testes of the male foetus, aiding the development of the male sex organs
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It is directly involved in the development of the breasts during pregnancy
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It prevents degradation of the corpus luteum by promoting progesterone secretion
Frage 25
Frage
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?
Antworten
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hCG
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Progesterone
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Oestrogen
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FSH
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LH
Frage 26
Frage
Pregnancy causes an increased demand for Calcium in the body.
This can predispose to which endocrine condition?
[blank_start]Hyperparathyroidism[blank_end]
Antworten
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Hyperparathyroidism
Frage 27
Frage
During pregnancy, along with the increased heart rate and cardiac output, the blood pressure of the mother typically [blank_start]decreases[blank_end]
Antworten
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decreases
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increases
Frage 28
Frage
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]
Antworten
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Hypertension
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Proteinuria
Frage 29
Frage
As well as hypertension and proteinuria, pre-eclampsia is also commonly marked by oedema formation in which two of the following areas?
Antworten
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Hands
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Feet
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Face
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Sacrum
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Lungs
Frage 30
Frage
Eclampsia (extreme pre-eclampsia) is lethal without treatment
Antworten
- True
- False
Frage 31
Frage
Which three of the following commonly occur due to eclampsia?
Antworten
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Extreme hypotension
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Extreme hypertension
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Coma
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Chronic Seizures
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Vomiting
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Muscular spasming
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Umbilical herniation
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Cardiac Arrhythmias
Frage 32
Frage
What is the best treatment for pre-eclampsia if the woman is approaching or has reached term?
Antworten
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Anti-hypertensives (e.g. labetalol)
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Early delivery of baby
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Vasodilating medications
Frage 33
Frage
Pregnant woman require how many extra calories a day (kcal)?
Antworten
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1500-2000 kcal
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1000-1250 kcal
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250-300 kcal
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500-750 kcal
Frage 34
Frage
During which trimester is a woman most likely to develop gestational diabetes?
Antworten
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1st trimester
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2nd trimester
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3rd trimester
Frage 35
Frage
Which supplement is given to pregnant women to prevent neural tube defects?
[blank_start]Folic acid[blank_end] supplementation
Antworten
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Folic acid
Frage 36
Frage
The term for the birth of a baby is [blank_start]Parturition[blank_end]
Antworten
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Parturition
Frage 37
Frage
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
Antworten
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Oxytocin
Frage 38
Frage
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.
Antworten
- True
- False
Frage 39
Frage
Braxton Hicks contractions indicate the beginning of labour.
Antworten
- True
- False
Frage 40
Frage
During which trimester do Braxton Hicks contractions typically occur?
Antworten
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1st trimester
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2nd trimester
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3rd trimester
Frage 41
Frage
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
Antworten
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(few mins - 120 mins)
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(8-24 hours)
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(8-24 hours)
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(few mins - 120 mins)
Frage 42
Frage
During labour the cervix typically dilates at around [blank_start]1cm[blank_end] per hour
Antworten
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1cm
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0.5cm
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2cm
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3cm
Frage 43
Frage
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]
Antworten
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Prolactin
Frage 44
Frage
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]
Antworten
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Oxytocin
Frage 45
Frage
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]
Antworten
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Oxytocin
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Prolactin
Frage 46
Frage
The milk 'let down' reflex is in regard to which pituitary hormone?
[blank_start]Oxytocin[blank_end]
Antworten
-
Oxytocin
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