Question 1

The fossa ovalis originated as which of the following?

Accepted Answer

A)   Umbilical artery
B)   Ductus venosus
C)   Foramen ovale
D)   Ductus arteriosusE) None of the above
F) C) and D)

Question 2

Most birth defects have unknown causes.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following forms the outer layer of the blastocyst as it implants into the uterine wall?

Accepted Answer

A)   Syncytiotrophoblast
B)   Cytotrophoblast
C)   Inner cell mass
D)   None of the above is correctE) B) and C)
F) None of the above

Question 4

Which of the following is an effect of progesterone during labor?

Accepted Answer

A)   Promotes uterine contractions and labor
B)   Inhibits uterine contractions and labor
C)   No effect on uterine contractions and laborD) A) and C)
E) A) and B)

Question 5

Cancer is a tumor that results for uncontrolled cell division.

Accepted Answer

A) True 
 B)False

Question 6

The ligamentum teres originated as which of the following?

Accepted Answer

A)   Umbilical vein
B)   Ductus venosus
C)   Foramen ovale
D)   Ductus arteriosusE) B) and C)
F) C) and D)

Question 7

Which of the following is the gestation period in humans?

Accepted Answer

A)   100 days
B)   180 days
C)   280 days
D)   380 daysE) B) and C)
F) A) and B)

Question 8

Oxytocin stimulates uterine contractions.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following is the alleles of a person that has a given trait?

Accepted Answer

A)   Controtype
B)   Genotype
C)   Phenotype
D)   MonotypeE) None of the above
F) B) and C)

Question 10

Which of the following is the waxy coat of sloughed epithelial cells that covers the fetus?

Accepted Answer

A)   Vernix caseosa
B)   Lanugo
C)   Cilia
D)   FlagellaE) B) and C)
F) None of the above

Question 11

The eyes are derived from the endoderm.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is the tunnel through which the testes descend into the scrotum?

Accepted Answer

A)   Anus
B)   Ureters
C)   Umbilical cord
D)   Inguinal canalsE) All of the above
F) A) and D)

Question 13

Which of the following is the source of the skull bones and appendicular skeleton?

Accepted Answer

A)   Ectoderm
B)   Endoderm
C)   Mesoderm
D)   None of the above is correctE) A) and C)
F) All of the above

Question 14

Which of the following is the time between conception and birth?

Accepted Answer

A)   Embryotic period
B)   Fetal period
C)   Prenatal period
D)   AdolescenceE) B) and C)
F) A) and B)

Question 15

Which of the following is chemical that causes mutations and initiates the development of cancer?

Accepted Answer

A)   Crossing over
B)   Mutation
C)   Polymorphism
D)   CarcinogenE) None of the above
F) A) and D)

Question 16

Which of the following is the production of milk by the mammary glands within the breast?

Accepted Answer

A)   Lactation
B)   Fertilization
C)   Implantation
D)   None of the above is correctE) All of the above
F) C) and D)

Question 17

The amniotic sac ruptures during the second stage of labor.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following occurs in the third stage of labor?

Accepted Answer

A)   Contractions and cervix dilates to 10 cm
B)   Contractions and delivery of baby
C)   Delivery of the placenta
D)   None of the above is correctE) A) and D)
F) A) and C)

Question 19

Which of the following is expelled in the process of labor?

Accepted Answer

A)   Uterus and vagina
B)   Urine and feces
C)   Endometrium and blood
D)   Fetus and placentaE) B) and C)
F) None of the above

Question 20

The mesencephalon divides into the metencephalon and myelencephalon.

Accepted Answer

A) True 
 B)False

Exam 25: Development and Genetics

The fossa ovalis originated as which of the following?

Correct AnswerverifiedShow Answer

Which of the following is the time between conception and birth?

Correct AnswerverifiedShow Answer

Which of the following is the alleles of a person that has a given trait?

Correct AnswerverifiedShow Answer

Which of the following is the waxy coat of sloughed epithelial cells that covers the fetus?

Correct AnswerverifiedShow Answer

The eyes are derived from the endoderm.

Correct AnswerverifiedShow Answer

Which of the following is expelled in the process of labor?

Correct AnswerverifiedShow Answer

Which of the following is the production of milk by the mammary glands within the breast?

Correct AnswerverifiedShow Answer

The ligamentum teres originated as which of the following?

Correct AnswerverifiedShow Answer

Which of the following is chemical that causes mutations and initiates the development of cancer?

Correct AnswerverifiedShow Answer

Which of the following is the tunnel through which the testes descend into the scrotum?

Correct AnswerverifiedShow Answer

Which of the following is the gestation period in humans?

Correct AnswerverifiedShow Answer

Which of the following is an effect of progesterone during labor?

Correct AnswerverifiedShow Answer

Most birth defects have unknown causes.

Correct AnswerverifiedShow Answer

Oxytocin stimulates uterine contractions.

Correct AnswerverifiedShow Answer

The amniotic sac ruptures during the second stage of labor.

Correct AnswerverifiedShow Answer

Cancer is a tumor that results for uncontrolled cell division.

Correct AnswerverifiedShow Answer

Which of the following is the source of the skull bones and appendicular skeleton?

Correct AnswerverifiedShow Answer

The mesencephalon divides into the metencephalon and myelencephalon.

Correct AnswerverifiedShow Answer

Which of the following forms the outer layer of the blastocyst as it implants into the uterine wall?

Correct AnswerverifiedShow Answer

Which of the following occurs in the third stage of labor?

Correct AnswerverifiedShow Answer

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