Matthew Coulson
Quiz by , created more than 1 year ago

Physiology of pregnancy and the peurperium given on tuesday of week 3

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Matthew Coulson
Created by Matthew Coulson over 5 years ago
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Physiology of Pregnancy and the Peurperium

Question 1 of 46

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A Morula is an early stage embryo consisting of ( 16, 4, 8, 20, 24 ) cells

Explanation

Question 2 of 46

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Layers of the blastocyst:
= Surface layer of cells of the blastocyst that penetrate the endometrium in order for implantation to occur
= This part of the blastocyst goes on to become the embryo after implantation in the uterus

Explanation

Question 3 of 46

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Which layer of the blastocyst goes on to become the placenta?

Select one of the following:

  • Trophoblast

  • Inner Cell Mass

Explanation

Question 4 of 46

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In order for implantation to occur, the trophoblastic cells of the blastocyst burrow into which layer of the uterus?
The

Explanation

Question 5 of 46

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When implantation is finished the blastocyst is completely buried within the endometrial layer.

Select one of the following:

  • True
  • False

Explanation

Question 6 of 46

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The is the uterine lining (endometrium) during a pregnancy, which forms the maternal part of the placenta

Explanation

Question 7 of 46

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The outermost membrane surrounding an embryo formed by Trophoblastic cells is known as the

Explanation

Question 8 of 46

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The placenta and the foetal heart are both fully functional by the ( 5th, 12th, 24th, 20th ) week of pregnancy

Explanation

Question 9 of 46

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Which hormone signals the corpus luteum to continue to secrete progesterone in order to maintain the endometrium?

Select one of the following:

  • Human Chorionic Gonadotropin

  • Oestrogen

  • FSH

  • LH

  • Testosterone

Explanation

Question 10 of 46

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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.

Select one of the following:

  • True
  • False

Explanation

Question 11 of 46

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The small capillary projections the embryo sends into the syncytiotrophoblast maternal blood filled regions are known as placental

Explanation

Question 12 of 46

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Which hormone, released by the corpus luteum, stimulates the endometrium to concentrate glycogen, protein and lipids?

Explanation

Question 13 of 46

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During foetal development, the lungs are deflated. Which structure allows gas exchange whilst such development is occurring?
The

Explanation

Question 14 of 46

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Oxygen saturated blood reaches the foetus via the ( umbilical, uterine ) ( vein, artery ) after saturation from maternal blood.

Explanation

Question 15 of 46

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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.

Select one of the following:

  • True
  • False

Explanation

Question 16 of 46

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There is a higher concentration of haemoglobin in the foetal blood

Select one of the following:

  • True
  • False

Explanation

Question 17 of 46

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In the umbilical cord, there ( are 2 umbilical arteries, is 1 umbilical artery ) and ( 1 umbilical vein, 2 umbilical veins )

Explanation

Question 18 of 46

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Which blood vessel(s) carries oxygen rich blood from the placenta to the foetus via the umbilical cord?
The umbilical ( vein, arteries )

Explanation

Question 19 of 46

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Which vessel(s) carries poorly oxygenated blood from the foetus to the placenta via the umbilical cord?
Umbilical ( arteries, vein )

Explanation

Question 20 of 46

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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 Veins

Explanation

Question 21 of 46

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Why does foetal haemoglobin have a higher affinity for oxygen than adult haemoglobin?

Select one of the following:

  • 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

Explanation

Question 22 of 46

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Which hormone prevents the degeneration of the corpus luteum?

Select one of the following:

  • hCG

  • Oestrogen

  • Testosterone

Explanation

Question 23 of 46

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Electrolytes such as Calcium and Iron follow the osmotic gradient and thus these nutrients never pass from foetus to mother during pregnancy.

Select one of the following:

  • True
  • False

Explanation

Question 24 of 46

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Which three of the following statements are true about Human Chorionic Somatomammotropin (hCS)

Select one or more of the following:

  • 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

Explanation

Question 25 of 46

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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?

Select one of the following:

  • hCG

  • Progesterone

  • Oestrogen

  • FSH

  • LH

Explanation

Question 26 of 46

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Pregnancy causes an increased demand for Calcium in the body.
This can predispose to which endocrine condition?

Explanation

Question 27 of 46

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During pregnancy, along with the increased heart rate and cardiac output, the blood pressure of the mother typically ( decreases, increases )

Explanation

Question 28 of 46

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Which two clinical signs are the main indicators of pre-eclampsia? (give in alphabetical order)

Explanation

Question 29 of 46

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As well as hypertension and proteinuria, pre-eclampsia is also commonly marked by oedema formation in which two of the following areas?

Select one or more of the following:

  • Hands

  • Feet

  • Face

  • Sacrum

  • Lungs

Explanation

Question 30 of 46

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Eclampsia (extreme pre-eclampsia) is lethal without treatment

Select one of the following:

  • True
  • False

Explanation

Question 31 of 46

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Which three of the following commonly occur due to eclampsia?

Select one or more of the following:

  • Extreme hypotension

  • Extreme hypertension

  • Coma

  • Chronic Seizures

  • Vomiting

  • Muscular spasming

  • Umbilical herniation

  • Cardiac Arrhythmias

Explanation

Question 32 of 46

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What is the best treatment for pre-eclampsia if the woman is approaching or has reached term?

Select one of the following:

  • Anti-hypertensives (e.g. labetalol)

  • Early delivery of baby

  • Vasodilating medications

Explanation

Question 33 of 46

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Pregnant woman require how many extra calories a day (kcal)?

Select one or more of the following:

  • 1500-2000 kcal

  • 1000-1250 kcal

  • 250-300 kcal

  • 500-750 kcal

Explanation

Question 34 of 46

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During which trimester is a woman most likely to develop gestational diabetes?

Select one of the following:

  • 1st trimester

  • 2nd trimester

  • 3rd trimester

Explanation

Question 35 of 46

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Which supplement is given to pregnant women to prevent neural tube defects?
supplementation

Explanation

Question 36 of 46

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The term for the birth of a baby is

Explanation

Question 37 of 46

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During parturition, which hormone can be given in order to increase the power of a woman's contractions?
Intramuscular injection

Explanation

Question 38 of 46

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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.

Select one of the following:

  • True
  • False

Explanation

Question 39 of 46

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Braxton Hicks contractions indicate the beginning of labour.

Select one of the following:

  • True
  • False

Explanation

Question 40 of 46

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During which trimester do Braxton Hicks contractions typically occur?

Select one of the following:

  • 1st trimester

  • 2nd trimester

  • 3rd trimester

Explanation

Question 41 of 46

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Stages of labour:
1st Stage: Cervical dilation ( (8-24 hours), (few mins - 120 mins) )
2nd Stage: passage through birth canal ( (few mins - 120 mins), (8-24 hours) )
3rd Stage: Expulsion of placenta

Explanation

Question 42 of 46

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During labour the cervix typically dilates at around ( 1cm, 0.5cm, 2cm, 3cm ) per hour

Explanation

Question 43 of 46

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At birth there is a sudden drop in progesterone and oestrogen levels. This allows which pituitary hormone to stimulate lactation?

Explanation

Question 44 of 46

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As well as prolactin, which other pituitary hormone is key to lactation via promotion of smooth muscle contraction within the breast?

Explanation

Question 45 of 46

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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)

Explanation

Question 46 of 46

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The milk 'let down' reflex is in regard to which pituitary hormone?

Explanation

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