Question 1

The chorionic villi

Accepted Answer

A)   form from branches of the syncytiotrophoblast cords.
B)   increase surface area of the amniotic cavity.
C)   contribute to the formation of the placenta.
D)   are necessary for implantation to occur.
E)   are not part of the placental formation.F) C) and D)
G) A) and B)

Question 2

The earliest period of prenatal development is the _________ period.

Accepted Answer

A)   embryonic
B)   neonatal
C)   germinal
D)   infant
E)   fetalF) A) and B)
G) A) and C)

Question 3

Which of the following statements about the syncytiotrophoblast is false?

Accepted Answer

A)   It forms the developing embryo.
B)   It is composed of a non-dividing, multinucleated cell.
C)   It is nonantigenic, so that it triggers no immune response.
D)   It invades the maternal tissues that compose the endometrium of the uterus.
E)   It forms lacunae.F) A) and B)
G) B) and C)

Question 4

Which of the following sequences is correct?

Accepted Answer

A)   mesonephros, pronephros, metanephros
B)   metanephros, pronephros, mesonephros
C)   pronephros, mesonephros, metanephros
D)   pronephros, metanephros, mesonephros
E)   mesonephros, metanephros, pronephrosF) A) and D)
G) B) and C)

Question 5

Which of the following is formed from mesoderm?

Accepted Answer

A)   autonomic neurons
B)   dermis of the skin
C)   adrenal medulla
D)   teeth
E)   tonsilsF) A) and B)
G) B) and D)

Question 6

An APGAR score of _____ is considered normal at 1 to 5 minutes after birth.

Accepted Answer

A)   2
B)   5
C)   9
D)   12
E)   25F) B) and E)
G) A) and E)

Question 7

The embryonic membrane that completely encloses the embryo in a watery sac is the

Accepted Answer

A)   yolk sac.
B)   amnion.
C)   allantois.
D)   chorion.
E)   ectodermal sac.F) A) and B)
G) C) and D)

Exam 29: Development, Growth, Aging, and Genetics

Which of the following statements about the syncytiotrophoblast is false?

Correct Answer
verified

Which of the following is formed from mesoderm?

Correct Answer
verified

Which of the following sequences is correct?

Correct Answer
verified

The earliest period of prenatal development is the _________ period.

Correct Answer
verified

The chorionic villi

Correct Answer
verified

The embryonic membrane that completely encloses the embryo in a watery sac is the

Correct Answer
verified

An APGAR score of _____ is considered normal at 1 to 5 minutes after birth.

Correct Answer
verified

Exam 29: Development, Growth, Aging, and Genetics

Which of the following statements about the syncytiotrophoblast is false?

Correct AnswerverifiedShow Answer

Which of the following is formed from mesoderm?

Correct AnswerverifiedShow Answer

Which of the following sequences is correct?

Correct AnswerverifiedShow Answer

The earliest period of prenatal development is the _________ period.

Correct AnswerverifiedShow Answer

The chorionic villi

Correct AnswerverifiedShow Answer

The embryonic membrane that completely encloses the embryo in a watery sac is the

Correct AnswerverifiedShow Answer

An APGAR score of _____ is considered normal at 1 to 5 minutes after birth.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified