Question 1

Genes that are passed from male to male are called

Accepted Answer

A)   structural genes.
B)   autosomes.
C)   genotypes.
D)   polygenic.
E)   y-linked.F) A) and B)
G) A) and C)

Question 2

Which germ layer is the cardiovascular system derived from?

Accepted Answer

A)   ectoderm
B)   mesoderm
C)   endodermD) None of the above
E) All of the above

Question 3

-The picture shows a mature placenta and fetus. What does "E" represent?

Accepted Answer

A)   umbilical vein
B)   umbilical arteries
C)   umbilical cord
D)   placenta
E)   endometriumF) D) and E)
G) B) and C)

Question 4

Which of the following statements concerning the embryonic circulatory system is true?

Accepted Answer

A)   The heart develops from four endothelial tubes.
B)   Blood vessels form from blood islands.
C)   An opening in the interatrial septum is called the sinus venosus.
D)   The bulbus cordis becomes the sinoatrial node (the adult pacemaker) .
E)   There is an opening in the interventricular septum.F) B) and E)
G) A) and C)

Question 5

When more than one gene pair is involved in an inheritance pattern, it is called

Accepted Answer

A)   structural gene.
B)   autosome.
C)   genotype.
D)   polygenic.
E)   y-linked.F) B) and D)
G) None of the above

Question 6

The opening that connects the right and left atria in the fetal heart is the

Accepted Answer

A)   interatrial septum.
B)   septum primum.
C)   septum secundum.
D)   foramen ovale.
E)   foramen rotundum.F) A) and B)
G) B) and D)

Question 7

Which of the following is derived from ectoderm?

Accepted Answer

A)   lens of the eye
B)   thymus gland
C)   tonsils
D)   urinary bladder
E)   dermis of skinF) B) and E)
G) B) and D)

Question 8

Which germ layer are the tonsils derived from?

Accepted Answer

A)   ectoderm
B)   mesoderm
C)   endodermD) A) and B)
E) B) and C)

Question 9

Which of the following vitamins are thought to play a role in decreasing the physiological changes in aging?

Accepted Answer

A)   vitamins A and B12
B)   vitamins A and B6
C)   vitamins E and C
D)   vitamins A and D
E)   vitamins A and KF) None of the above
G) A) and B)

Question 10

The pleural and peritoneal cavities of the adult begin as part of the _____ cavity.

Accepted Answer

A)   cloacal
B)   somatomeric
C)   coelomic
D)   apical
E)   ventralF) A) and B)
G) A) and C)

Question 11

Which of the following is mismatched?

Accepted Answer

A)   foramen ovale - ligamentum ovale
B)   ductus arteriosus - ligamentum arteriosus
C)   ductus venosus - ligamentum venosus
D)   umbilical vein - ligamentum teres of the liver
E)   umbilical arteries - cords of umbilical arteriesF) D) and E)
G) B) and D)

Question 12

The time period between fertilization and implantation is approximately

Accepted Answer

A)   5 days.
B)   7 days.
C)   10 days.
D)   14 days.
E)   21 days.F) A) and E)
G) A) and C)

Question 13

If the secondary palate does not fuse the result is a

Accepted Answer

A)   cleft palate.
B)   cleft throat.
C)   facial cleft.
D)   cleft lip.
E)   cleft tongue.F) C) and D)
G) A) and E)

Question 14

-The picture shows a full term pregnancy. What does "E" represent?

Accepted Answer

A)   placenta
B)   umbilical cord
C)   urinary bladder
D)   mucus plug in cervical canal
E)   vaginaF) B) and C)
G) A) and E)

Question 15

Gastrulation is the process of development that produces the

Accepted Answer

A)   placenta.
B)   embryonic disk.
C)   germ layers.
D)   rudimentary organs.E) A) and C)
F) All of the above

Question 16

Which of the following chromosome anomalies can be found in either sex?

Accepted Answer

A)   Turner's Syndrome (XO) 
B)   Klinefelter's Syndrome (XXY) 
C)   Down Syndrome (Trisomy 21) 
D)   Barker's Syndrome
E)   They all can be found in either sex.F) B) and E)
G) B) and C)

Question 17

The single layer of cells that surrounds the blastocele is the

Accepted Answer

A)   morula.
B)   gastrula.
C)   blastocyst.
D)   trophoblast.
E)   inner cell mass.F) C) and E)
G) A) and C)

Question 18

Onset of labor may result from

Accepted Answer

A)   increased estrogen secretion by the placenta.
B)   increased glucocorticoid secretion by the mother.
C)   increased secretion of oxytocin by the fetus.
D)   increased progesterone secretion by the placenta.
E)   decreased prostaglandins.F) A) and B)
G) A) and E)

Question 19

Developmental events are calculated from

Accepted Answer

A)   ovulation.
B)   conception.
C)   the last menstrual period.
D)   fourteen days after the last menstrual period.
E)   fourteen days before the last menstrual period.F) D) and E)
G) C) and E)

Question 20

The eyes develop as an evagination from the

Accepted Answer

A)   myelencephalon.
B)   mesencephalon.
C)   neural crest cells.
D)   diencephalon.
E)   telencephalon.F) B) and D)
G) C) and D)

Exam 29: Development, Growth, Aging, and Genetics

Genes that are passed from male to male are called

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The eyes develop as an evagination from the

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Which of the following chromosome anomalies can be found in either sex?

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Gastrulation is the process of development that produces the

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-The picture shows a full term pregnancy. What does "E" represent?

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Which of the following is derived from ectoderm?

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The time period between fertilization and implantation is approximately

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Which of the following vitamins are thought to play a role in decreasing the physiological changes in aging?

Correct AnswerverifiedShow Answer

Which germ layer is the cardiovascular system derived from?

Correct AnswerverifiedShow Answer

If the secondary palate does not fuse the result is a

Correct AnswerverifiedShow Answer

Onset of labor may result from

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Which germ layer are the tonsils derived from?

Correct AnswerverifiedShow Answer

When more than one gene pair is involved in an inheritance pattern, it is called

Correct AnswerverifiedShow Answer

Which of the following statements concerning the embryonic circulatory system is true?

Correct AnswerverifiedShow Answer

The opening that connects the right and left atria in the fetal heart is the

Correct AnswerverifiedShow Answer

-The picture shows a mature placenta and fetus. What does "E" represent?

Correct AnswerverifiedShow Answer

The single layer of cells that surrounds the blastocele is the

Correct AnswerverifiedShow Answer

Developmental events are calculated from

Correct AnswerverifiedShow Answer

Which of the following is mismatched?

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The pleural and peritoneal cavities of the adult begin as part of the _____ cavity.

Correct AnswerverifiedShow Answer

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