Question 1

The lower limbs reach their correct length relative to the rest of the body during the __________ period.

Accepted Answer

A)   fetal
B)   embryonic
C)   neonatal
D)   infancyE) All of the above
F) A) and B)

Question 2

What are teratogens?

Accepted Answer

A)   Factors that stimulate embryonic growth
B)   Factors that cause congenital malformations
C)   Factors that protect against infections
D)   Factors that are required for implantation to occurE) C) and D)
F) None of the above

Question 3

The substance called __________, produced in the lungs, decreases surface tension and is needed for the newborn to be able to expand its lungs.

Accepted Answer

The answer of The substance called __________, produced in the...

Question 4

During the process called __________, cells of the zygote undergo rapid division without increasing in size, becoming progressively smaller.

Accepted Answer

The answer of During the process called __________, cells of...

Question 5

Describe the blood that is passing through the ductus venosus.

Accepted Answer

A)   Low in oxygen and nutrients
B)   High in oxygen and nutrients
C)   Low in oxygen but high in nutrients
D)   High in oxygen but low in nutrientsE) B) and D)
F) C) and D)

Question 6

The union of a secondary oocyte and a sperm cell is called __________.

Accepted Answer

A)   fertilization
B)   implantation
C)   cleavage
D)   laborE) None of the above
F) C) and D)

Question 7

The most critical period of development, in which all the essential internal and external body parts form, is the __________ period.

Accepted Answer

A)   embryonic
B)   zygotic
C)   fetal
D)   neonatalE) None of the above
F) A) and C)

Question 8

What is the purpose of the foramen ovale and ductus arteriosus in the fetal circulation?

Accepted Answer

A)   To allow blood to bypass the lungs
B)   To allow blood to bypass the digestive organs
C)   To ascertain that blood from the placenta is well mixed with fetal blood
D)   To divert oxygen-poor blood toward the placentaE) A) and B)
F) B) and C)

Question 9

Fetal blood passes from the right atrium to the left atrium via what structure?

Accepted Answer

A)   Foramen ovale
B)   Ductus arteriosus
C)   Ductus venosus
D)   Mitral valve
E)   Tricuspid valveF) A) and E)
G) A) and B)

Question 10

What hormone stimulates the mammary glands to secrete milk?

Accepted Answer

A)   Estrogen
B)   Progesterone
C)   Oxytocin
D)   ProlactinE) A) and D)
F) A) and C)

Question 11

What forms the placental membrane?

Accepted Answer

A)   The embryonic disc
B)   The myometrium of the uterus
C)   The epithelium of chorionic villi and endothelium of villi capillaries
D)   The lining of the amnion and the chorionE) B) and C)
F) C) and D)

Exam 20: Pregnancy, Growth, Development, and Genetics

The lower limbs reach their correct length relative to the rest of the body during the __________ period.

Correct Answer
verified

The substance called __________, produced in the lungs, decreases surface tension and is needed for the newborn to be able to expand its lungs.

Correct Answer
verified

What is the purpose of the foramen ovale and ductus arteriosus in the fetal circulation?

Correct Answer
verified

The most critical period of development, in which all the essential internal and external body parts form, is the __________ period.

Correct Answer
verified

During the process called __________, cells of the zygote undergo rapid division without increasing in size, becoming progressively smaller.

Correct Answer
verified

What forms the placental membrane?

Correct Answer
verified

The union of a secondary oocyte and a sperm cell is called __________.

Correct Answer
verified

What hormone stimulates the mammary glands to secrete milk?

Correct Answer
verified

Describe the blood that is passing through the ductus venosus.

Correct Answer
verified

What are teratogens?

Correct Answer
verified

Fetal blood passes from the right atrium to the left atrium via what structure?

Correct Answer
verified

Exam 20: Pregnancy, Growth, Development, and Genetics

The lower limbs reach their correct length relative to the rest of the body during the __________ period.

Correct AnswerverifiedShow Answer

The substance called __________, produced in the lungs, decreases surface tension and is needed for the newborn to be able to expand its lungs.

Correct AnswerverifiedShow Answer

What is the purpose of the foramen ovale and ductus arteriosus in the fetal circulation?

Correct AnswerverifiedShow Answer

The most critical period of development, in which all the essential internal and external body parts form, is the __________ period.

Correct AnswerverifiedShow Answer

During the process called __________, cells of the zygote undergo rapid division without increasing in size, becoming progressively smaller.

Correct AnswerverifiedShow Answer

What forms the placental membrane?

Correct AnswerverifiedShow Answer

The union of a secondary oocyte and a sperm cell is called __________.

Correct AnswerverifiedShow Answer

What hormone stimulates the mammary glands to secrete milk?

Correct AnswerverifiedShow Answer

Describe the blood that is passing through the ductus venosus.

Correct AnswerverifiedShow Answer

What are teratogens?

Correct AnswerverifiedShow Answer

Fetal blood passes from the right atrium to the left atrium via what structure?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
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