Anatomy 3d Implantation development

Anatomy Implantation, Development, Delivery Lesson

by Penny Dunning

Vocab​

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Multiple Choice

From the last menstrual period until birth (280 days)

• Pregnancy

• Conceptus

• Gestation period

• Preembryo

• Embryo

Multiple Choice

The developing offspring

• Pregnancy

• Conceptus

• Gestation period

• Preembryo

• Embryo

Multiple Choice

Conceptus from fertilization until it is two weeks old

• Fetus

• Conceptus

• Infant

• Preembryo

• Embryo

Multiple Choice

Beginning at the ninth week of development, the embryo is referred to as a fetus

• true

• false

Multiple Choice

Events that occur from fertilization until the infant is born

• Pregnancy

• Conceptus

• Gestation period

• Preembryo

• Embryo

Multiple Choice

Conceptus from the ninth week through birth

• Fetus

• Conceptus

• Infant

• Preembryo

• Embryo

Multiple Choice

Conceptus at birth

• Fetus

• Conceptus

• Infant

• Preembryo

• Embryo

Multiple Choice

From fertilization to week 8 of pregnancy, the conceptus is called

• a fetus

• an embryo

• a baby

• a zygote

• a morula

Multiple Choice

Conceptus during the third through the eighth week

• Pregnancy

• Conceptus

• Gestation period

• Preembryo

• Embryo

Implantation​

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Multiple Choice

Fertilized egg cell is called

• morula

• gamete

• zygote

• blastula

Multiple Choice

The tiny ball of 16 cells found freely floating in the uterine cavity is called a

• blastocyte

• zygote

• morula

• placenta

• trophoblast

Multiple Choice

How many days after fertilization morula is formed?

• 24 days

• 3 days (72 hours)

• 1 day (24 hours)

• 64 days

Multiple Choice

By the fourth or fifth day the preembrio consists of 100 or so cells, and is called a blastocyst.

• true

• false

Multiple Choice

The diagram represents some stages in the development of an embryo. Which stage represents a zygote?

• A

• B

• C

• D

Multiple Choice

Which of the following sequences represents the correct order of events in the formation of a human fetus?

• Zygote → Blastocyst → Embryo → Fertilization

• Fertilization → Zygote → Blastocyst → Embryo

• Blastocyst → Embryo → Differentiation → Zygote

• Fertilization → Growth → Differentiation → Zygote

Multiple Choice

An embryo normally becomes implanted within this structure.

• 1

• 2

• 3

• 4

Multiple Choice

How many days after fertilization implantation happens?

• 7

• 14

• 21

• 64

Multiple Choice

What is the name of process in which blastocyst attaches to endometrium?

• fertilization

• embyo

• implantation

• ovulation

Multiple Choice

Implantation starts on the 6th or 7th day and is completed by the fourteenth day after ovulation

• true

• false

​Development

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​Germ Layers

​The inner cell mass of the Blastocyst subdivides into the upper epiblast and lower hypoblast

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​These layers form two of the four embryonic membranes

Multiple Choice

The fluid-filled sac surrounding the fetus that provides a buoyant environment and helps maintain a constant homeostatic temperature is the

• amnion

• placenta

• chorionic villi

• umbilical cord

Multiple Choice

raised dorsal groove that establishes the longitudinal axis of the embryo

• Ectoderm

• Endoderm

• Mesoderm

• Primitive Streak

Multiple Choice

Forms epithelial linings of the digestive, respiratory, and urogenital systems

• Ectoderm

• Endoderm

• Mesoderm

• Primitive Streak

Multiple Choice

Forms bones, dermis of the skin, heart, blood vessels, skeletal muscles

• Ectoderm

• Endoderm

• Mesoderm

• Primitive Streak

Multiple Choice

The umbilical vein carries deoxygenated blood and dissolved nutrients form the placenta to the embryo.

• T

• F

Multiple Choice

The two umbilical veins and one umbilical artery are the first embryonic structures to develop.

• True

• False

Multiple Choice

All the organ systems are laid down, at least in rudimentary form, and the embryo looks distinctly human by the ______ of embryonic development.

• 1st week

• 2nd week

• 4th week

• 8th week

• 12th week

Multiple Choice

By the 4th week all organ systems are recognizable.

• true

• false

Multiple Choice

by the end of the second month, brain waves can be recorded

• true

• false

Multiple Choice

External genitalia, like gonads, arise from the same structures in both sexes

• true

• false

Multiple Choice

Individuals who possess both ovarian and testicular tissues are called hermaphrodites

• true

• false

Multiple Choice

About 2 months before birth are stimulated by testosterone, the testes of the male fetus leaves the pelvic cavity and enters the scrotum

• true

• false

​Homeostatic Imbalances

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Multiple Choice

Consuming alcohol while pregnant may result in fetal alcohol syndrome, typified by a small head, mental retardation, and abnormal growth

• true

• false

Multiple Choice

When a mother drinks while pregnant, the placenta protects the fetus from becoming inebriated

• true

• false

Multiple Choice

Nicotine hinders oxygen delivery to the fetus possibly impairing normal growth and development

• true

• false

​Woman's Body

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​Labor

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Multiple Choice

Umbilical cord connects the embryo’s body to the placenta.

• True

• False

Multiple Choice

The stage of labor that involves the delivery of the infant is the

• dilation stage

• expulsion stage

• postpartum stage

• placental stage

Multiple Choice

Parturition is another term for

• menopause

• menses

• fertilization

• childbirth

Multiple Choice

an incision (cut) is made in the abdomen and uterus in order to deliver the baby

• natural birth

• breech birth

• Caesarian section

After Birth​

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Multiple Choice

At 1-5 minutes after birth the infant's physical status is assessed based on five sign, heart rate, respiration, color, muscle tone, reflexes. Each observation is given a score of 0 to 2. What score would indicate a healthy baby?

• 4-6

• 1-2

• 8-10