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Lecture 30/31 Embryology

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1Morphogenesis is
1. AOrdered assembly of cells to form complex organs
2. Bprocesses by which cells interact and become permanently changed
3. Cformation of body structures and organs
4. Dprogressive series of changes in structures and functions that lead to maturity
5. EProcesses by which cells become different to one another
2Complete each of the following sentences

The first diploid cell formed by fusion of egg and sperm is a [blank_start]zygote[blank_end].
A [blank_start]Blastocyst[blank_end] is the early stage in development before implantation, it consists of an outer trophoblast and an inner cell mass.
An [blank_start]Embryo[blank_end] is an egg that has been fertilised by a sperm that has undergone one or more divisions
[blank_start]Cleavage[blank_end] results in a solid cluster of cells called a [blank_start]Morula[blank_end].
The Accumulation of secretions within the trophoblast lead to the formation of a cavity called the [blank_start]Blastocele[blank_end].
1. Azygote
2. BBlastocyst
3. CEmbryo
4. DCleavage
5. EMorula
6. FBlastocele
7. GBlastocyst
8. HZygote
9. IEmbryo
10. JCleavage
11. KMorula
12. LBlastocele
13. MEmbryo
14. NMorula
15. OCleavage
16. PZygote
17. QBlastocyst
18. RBlastocele
19. SCleavage
20. TZygote
21. UBlastocyst
22. VEmbryo
23. WBlastocele
24. XMorula
25. YMorula
26. ZZygote
27. AABlastocyst
28. ABEmbryo
29. ACCleavage
30. ADBlastocele
31. AEBlastocele
32. AFZygote
33. AGBlastocyst
34. AHEmbryo
35. AICleavage
36. AJMorula
3The Zonula Pellucida is the capsule that surrounds the initial embryo before implantation
1. AVerdadero
2. BFalso
4Which of the following statements is true regarding Cleavage
1. ACleavage results in an increase in the number of cells
2. BCleavage results in an increase in the size of the embryo
3. CCleavage results in the formation of a Zygote then ultimately a Blastocyst
4. DCleavage results in the formation of a Morula then ultimately a Blastocyst
5. ECleavage results in the formation of a Morula then ultimately a Blastocele
6. FCleavage results in the formation of a Zygote then ultimately a Morula
7. GPlacental Mammals undergo only partial cleavage
8. HAvian Animals undergo only partial cleavage
9. IAvian Mammals have minimal yolk
10. JPlacental Mammals have minimal yolk
5The Trophoblast of a Blastocyst has
1. ATighter Junctions than the Embryonic Disc
2. BGAP junctions allowing for better communication
3. CFacilitates the absorption of nutrients
4. Dundergoes transformation to give 3 germ layers
5. Esurrounds the blastocele
6Which of the following statements regarding Gastrulation is correct?
1. ALeads to the formation of 3 germ layers: Endoderm, Mesoderm, Ectoderm
2. BArises from Trophoblast rearrangement
3. CArises from Embryonic Disc rearrangement
4. DThe first cells that migrate through the primitive strike give rise to Endoderm
5. EThe first cells that migrate through the primitive strike give rise to Mesoderm
6. FThe first cells that migrate through the primitive strike give rise to Ectoderm
7. GThe Coelem establishes it self within the lateral mesoderm
8. HThe Coelem establishes it self within the Paraxial mesoderm
9. ISomatic Mesoderm is attached to Endoderm
10. JSplanchic Mesoderm is attached to Endoderm
7Ectoderm gives rise to
1. AEpidermis of Skin
2. BDermis of Skin
3. CCNS
4. DAdrenal Medulla
5. EVisceral Pleura and Peritoneum
6. FGIT
7. GParenchyma of the Liver
8. HLining of the Tarchea
9. IAppendicular Skeleton
10. JUterus
8Splanchic Mesoderm gives rise to
1. AYolk Sac
2. BAllantois
3. CVisceral Pleura/Peritoneum
4. DMyocardium
5. EAmnion
6. FChorion
7. GParietal Pleura
8. HPericardium
9. IUterus
10. JRenal Pelvis
9Which of the following structures are derived from endoderm?
1. ALining of GIT
2. BDermis of Skin
3. CLining of Larynx
4. DLining of Trachea
5. EUrogenital Sinus
6. FRenal Pelvis
7. GLiver Parenchyma
8. HPancreas Parenchyma
9. IKidney Tubules
10. JAmnion/Chorion
10The Notochord gives rise to the vertebral column
1. AVerdadero
2. BFalso

11A is the [blank_start]Primitive Gut[blank_end]
B is the [blank_start]Chorion[blank_end]
C is the [blank_start]Amnion[blank_end]
D is the [blank_start]Alantochorion[blank_end]
E is the [blank_start]Alantois[blank_end]
F is the [blank_start]Yolk Sac[blank_end]
1. APrimitive Gut
2. BChorion
3. CAmnion
4. DAlantochorion
5. EAlantois
6. FYolk Sac
7. GChorion
8. HPrimitive Gut
9. IAmnion
10. JAlantochorion
11. KAlantois
12. LYolk Sac
13. MAmnion
14. NPrimitive Gut
15. OChorion
16. PAlantochorion
17. QAlantois
18. RYolk Sac
19. SAlantochorion
20. TPrimitive Gut
21. UChorion
22. VAmnion
23. WAlantois
24. XYolk Sac
25. YAlantois
26. ZPrimitive Gut
27. AAChorion
28. ABAmnion
29. ACAlantochorion
30. ADYolk Sac
31. AEYolk Sac
32. AFPrimitive Gut
33. AGChorion
34. AHAmnion
35. AIAlantochorion
36. AJAlantois
12Which of the following statements are true
1. ARed represents Trophoblast
2. BRed represents Mesoderm
3. CRed represents Endoderm
4. DGreen represents Endoderm
5. EGreen represents Mesoderm
6. FGreen represents Trophoblast
7. GBlue represents Trophoblast
8. HBlue represents Endoderm
9. IBlue represents Mesoderm
13Which statements regarding the Chorion are correct?
1. APart of it is derived from Mesoderm
2. BPart of it is derived from Endoderm
3. CPart of it is derived from the Trophoblast
4. DMediates the Attachment to the Uterus
5. EIt is a fluid filled sac that protects the embryo
6. FRegresses over time in mammals
7. Gcontributes primitive germ cells
8. Hderived from primitive gut
9. Ifluid filled sac that collects waste
10. JA portion of it fuses with the Alantois
14Which statements regarding the Amnion are correct?
1. ADerived from Endoderm
2. BDerived from Mesoderm
3. CDerived from the Trophoblast
4. Dmediates attachment to the uterus
5. Eis a fluid filled sac that protects the embryo
6. Feventually fuses with the chorion
7. Gcontributes primitive germ cells
8. Hderived from primitive gut
9. Icollects waste from the embryo
10. JRegresses with time in mammals
15Which of the following statements are correct regarding the Yolk Sac?
1. ADerived from Endoderm
2. BDerived from Mesoderm
3. CDerived from the Trophoblast
4. DMediates attachment to the Uterus
5. EFluid filled sac that protects the embryo
6. Fderived from the primitive gut
7. Gregressive with time in mammals
8. Hcontributes primitive germ cells
9. Ifluid filled sac that collects waste
10. Jeventually fuses with the chorion
16Which of the following are incorrect?
1. AThe Allantois is derived from the primitive gut
2. BThe Allantois is a fluid filled sac that collects waste
3. CThe Allantois fuses with the Chorion to form the foetal contribution to the placenta
4. DThe Allantochorion is derived of both Mesoderm and Trophoblast
5. EThe Allantois decreases in size other time in mammals
17The first seven somitomeres give rise to Somites
1. AVerdadero
2. BFalso
18Which of the following regarding Somitomeres is incorrect?
1. ASome give rise to mesodermal structures of the head
2. BSome give rise to the axial skeleton and musculature
3. CArise from thickenings of mesoderm adjacent to the neural tube
4. DConsist of Lateral Mesoderm, both Somatic and Splanchic.
5. ENone of the Above are incorrect

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Descripción: El usuario ha eliminado su información de asignaturas Test sobre Lecture 30/31 Embryology, creado por Usuario eliminado el 07/04/2020.
Autor: Usuario eliminado
Idioma: English
Visitas: 21
Historial: Creado el 7 abr 2020 · actualizado el 7 abr 2020
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Lecture 30/31 Embryology

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