5690099
Description
Quiz by Daniel Mosele, updated more than 1 year ago
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Created by Daniel Mosele
over 8 years ago
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Question 1
Question
Morphogenesis is
Answer
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Ordered assembly of cells to form complex organs
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processes by which cells interact and become permanently changed
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formation of body structures and organs
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progressive series of changes in structures and functions that lead to maturity
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Processes by which cells become different to one another
Question 2
Question
Complete 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].
Answer
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zygote
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Blastocyst
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Embryo
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Cleavage
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Morula
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Blastocele
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Blastocyst
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Zygote
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Embryo
-
Cleavage
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Morula
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Blastocele
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Embryo
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Morula
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Cleavage
-
Zygote
-
Blastocyst
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Blastocele
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Cleavage
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Zygote
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Blastocyst
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Embryo
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Blastocele
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Morula
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Morula
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Zygote
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Blastocyst
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Embryo
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Cleavage
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Blastocele
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Blastocele
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Zygote
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Blastocyst
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Embryo
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Cleavage
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Morula
Question 3
Question
The Zonula Pellucida is the capsule that surrounds the initial embryo before implantation
Answer
- True
- False
Question 4
Question
Which of the following statements is true regarding Cleavage
Answer
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Cleavage results in an increase in the number of cells
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Cleavage results in an increase in the size of the embryo
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Cleavage results in the formation of a Zygote then ultimately a Blastocyst
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Cleavage results in the formation of a Morula then ultimately a Blastocyst
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Cleavage results in the formation of a Morula then ultimately a Blastocele
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Cleavage results in the formation of a Zygote then ultimately a Morula
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Placental Mammals undergo only partial cleavage
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Avian Animals undergo only partial cleavage
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Avian Mammals have minimal yolk
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Placental Mammals have minimal yolk
Question 5
Question
The Trophoblast of a Blastocyst has
Answer
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Tighter Junctions than the Embryonic Disc
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GAP junctions allowing for better communication
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Facilitates the absorption of nutrients
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undergoes transformation to give 3 germ layers
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surrounds the blastocele
Question 6
Question
Which of the following statements regarding Gastrulation is correct?
Answer
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Leads to the formation of 3 germ layers: Endoderm, Mesoderm, Ectoderm
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Arises from Trophoblast rearrangement
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Arises from Embryonic Disc rearrangement
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The first cells that migrate through the primitive strike give rise to Endoderm
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The first cells that migrate through the primitive strike give rise to Mesoderm
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The first cells that migrate through the primitive strike give rise to Ectoderm
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The Coelem establishes it self within the lateral mesoderm
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The Coelem establishes it self within the Paraxial mesoderm
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Somatic Mesoderm is attached to Endoderm
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Splanchic Mesoderm is attached to Endoderm
Question 7
Question
Ectoderm gives rise to
Answer
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Epidermis of Skin
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Dermis of Skin
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CNS
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Adrenal Medulla
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Visceral Pleura and Peritoneum
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GIT
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Parenchyma of the Liver
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Lining of the Tarchea
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Appendicular Skeleton
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Uterus
Question 8
Question
Splanchic Mesoderm gives rise to
Answer
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Yolk Sac
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Allantois
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Visceral Pleura/Peritoneum
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Myocardium
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Amnion
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Chorion
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Parietal Pleura
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Pericardium
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Uterus
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Renal Pelvis
Question 9
Question
Which of the following structures are derived from endoderm?
Answer
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Lining of GIT
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Dermis of Skin
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Lining of Larynx
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Lining of Trachea
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Urogenital Sinus
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Renal Pelvis
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Liver Parenchyma
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Pancreas Parenchyma
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Kidney Tubules
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Amnion/Chorion
Question 10
Question
The Notochord gives rise to the vertebral column
Answer
- True
- False
Question 11
Question
A 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]
Answer
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Primitive Gut
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Chorion
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Amnion
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Alantochorion
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Alantois
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Yolk Sac
-
Chorion
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Primitive Gut
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Amnion
-
Alantochorion
-
Alantois
-
Yolk Sac
-
Amnion
-
Primitive Gut
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Chorion
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Alantochorion
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Alantois
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Yolk Sac
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Alantochorion
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Primitive Gut
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Chorion
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Amnion
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Alantois
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Yolk Sac
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Alantois
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Primitive Gut
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Chorion
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Amnion
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Alantochorion
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Yolk Sac
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Yolk Sac
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Primitive Gut
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Chorion
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Amnion
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Alantochorion
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Alantois
Question 12
Question
Which of the following statements are true
Answer
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Red represents Trophoblast
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Red represents Mesoderm
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Red represents Endoderm
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Green represents Endoderm
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Green represents Mesoderm
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Green represents Trophoblast
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Blue represents Trophoblast
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Blue represents Endoderm
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Blue represents Mesoderm
Question 13
Question
Which statements regarding the Chorion are correct?
Answer
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Part of it is derived from Mesoderm
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Part of it is derived from Endoderm
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Part of it is derived from the Trophoblast
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Mediates the Attachment to the Uterus
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It is a fluid filled sac that protects the embryo
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Regresses over time in mammals
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contributes primitive germ cells
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derived from primitive gut
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fluid filled sac that collects waste
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A portion of it fuses with the Alantois
Question 14
Question
Which statements regarding the Amnion are correct?
Answer
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Derived from Endoderm
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Derived from Mesoderm
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Derived from the Trophoblast
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mediates attachment to the uterus
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is a fluid filled sac that protects the embryo
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eventually fuses with the chorion
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contributes primitive germ cells
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derived from primitive gut
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collects waste from the embryo
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Regresses with time in mammals
Question 15
Question
Which of the following statements are correct regarding the Yolk Sac?
Answer
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Derived from Endoderm
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Derived from Mesoderm
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Derived from the Trophoblast
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Mediates attachment to the Uterus
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Fluid filled sac that protects the embryo
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derived from the primitive gut
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regressive with time in mammals
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contributes primitive germ cells
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fluid filled sac that collects waste
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eventually fuses with the chorion
Question 16
Question
Which of the following are incorrect?
Answer
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The Allantois is derived from the primitive gut
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The Allantois is a fluid filled sac that collects waste
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The Allantois fuses with the Chorion to form the foetal contribution to the placenta
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The Allantochorion is derived of both Mesoderm and Trophoblast
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The Allantois decreases in size other time in mammals
Question 17
Question
The first seven somitomeres give rise to Somites
Answer
- True
- False
Question 18
Question
Which of the following regarding Somitomeres is incorrect?
Answer
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Some give rise to mesodermal structures of the head
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Some give rise to the axial skeleton and musculature
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Arise from thickenings of mesoderm adjacent to the neural tube
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Consist of Lateral Mesoderm, both Somatic and Splanchic.
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None of the Above are incorrect
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