Question 1

A display of the chromosomes of a somatic cell during metaphase of mitosis is the

Accepted Answer

A)   karyotype.
B)   autosome.
C)   homolog.
D)   locus.
E)   genome.F) B) and D)
G) A) and B)

Question 2

The major difference between an embryo and a fetus is that

Accepted Answer

A)   a fetus can survive outside the mother's womb but an embryo cannot.
B)   a fetus is smaller than an embryo.
C)   organ systems are developing in an embryo while all organs are present in a fetus.
D)   a fetus is a male child while an embryo is a female child.
E)   None of these choices is correct.F) B) and C)
G) B) and E)

Question 3

Which germ layer is most muscle derived from?

Accepted Answer

A)   ectoderm
B)   mesoderm
C)   endodermD) All of the above
E) A) and B)

Question 4

Segments of mesoderm that will form muscles are

Accepted Answer

A)   mesonephros.
B)   mandibular processes.
C)   neural tube.
D)   secondary palate.
E)   somites.F) A) and B)
G) D) and E)

Question 5

Which of the following statements concerning musculoskeletal system development is true?

Accepted Answer

A)   Skeletal muscles develop from crest cells.
B)   Myoblasts produce somites.
C)   The vertebral column develops from somite-derived mesoderm.
D)   Enlargement of muscles after birth is due to an increase in the number of muscle fibers.
E)   Ossification ends before birth.F) C) and E)
G) A) and E)

Question 6

Arrange the following in the sequence in which they form in the embryo. (1)  neural plate
(2)  neural tube
(3)  notochord
(4)  primitive streak

Accepted Answer

A)   1, 2, 3, 4
B)   1, 3, 2, 4
C)   4, 3, 1, 2
D)   4, 1, 3, 2
E)   3, 4, 1, 2F) A) and B)
G) C) and D)

Question 7

Which of the following organs develops from evaginations along the early digestive tract?

Accepted Answer

A)   heart
B)   adrenal medulla
C)   lungs
D)   nasal cavity
E)   kidneysF) B) and E)
G) B) and D)

Question 8

In the context of western medicine, the definition of death is different from that among poorer people with only low levels of medical care.
One criterion of death is an isoelectric response of an electroencephalogram for ____ minutes.
The ethics of tissue and organ donatio demand that multiple criteria be met before someone is
declared to be dead. The most widely accepted
definition of death is_______.

Accepted Answer

A) True 
 B)False

Question 9

The embryonic heart

Accepted Answer

A)   develops from two endothelial tubes that fuse together.
B)   consists of four chambers.
C)   has two atria but only one ventricle.
D)   doesn't beat until just prior to birth.
E)   has no passages connecting right side to left side.F) A) and D)
G) A) and B)

Question 10

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) B) and D)
G) B) and E)

Question 11

An infant born with a gestational age of 254 days would be considered

Accepted Answer

A)   premature.
B)   normal maturity.
C)   postmature.
D)   immature.
E)   None of these choices is correct.F) A) and B)
G) A) and C)

Question 12

Which of the following statements concerning the digestive system of a newborn is true?

Accepted Answer

A)   The infant may lose 15% to 20% of his body weight in the first week.
B)   The pH of the stomach is nearly neutral, but increases in acidity after birth.
C)   The liver of the newborn is functionally mature.
D)   The ability to digest lactose does not occur until 48 hours after birth.
E)   All foods can be digested at birth.F) B) and C)
G) B) and E)

Question 13

What type of gene expression are the ABO blood types an example of?

Accepted Answer

A)   complete dominance
B)   codominance
C)   incomplete dominance
D)   recessiveness
E)   polymorphismF) D) and E)
G) C) and E)

Question 14

Pulling to a standing position is a typical milestone for which age?

Accepted Answer

A)   6 weeks
B)   6 months
C)   12 weeks
D)   12 months
E)   18 weeksF) A) and B)
G) A) and C)

Question 15

What genetic disorder is the failure to produce clotting factors?

Accepted Answer

A)   albinism
B)   sickle-cell disease
C)   hemophilia
D)   Down syndrome
E)   achondroplasiaF) C) and D)
G) B) and C)

Question 16

In males, the urogenital folds close over the urogenital opening and urethral groove to form the

Accepted Answer

A)   scrotum.
B)   testes.
C)   vas deferens.
D)   penis.
E)   prostate gland.F) A) and E)
G) None of the above

Question 17

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) B) and D)
G) B) and C)

Question 18

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) A) and B)
G) C) and D)

Question 19

What genetic disorder is a type of dwarfism characterized by shortening of the upper and lower limbs?

Accepted Answer

A)   albinism
B)   sickle-cell disease
C)   hemophilia
D)   Down syndrome
E)   achondroplasiaF) C) and D)
G) A) and D)

Question 20

Once the embryonic mass has 12 or more cells, it is called a

Accepted Answer

A)   morula.
B)   gastrula.
C)   blastula.
D)   blastocyst.
E)   trophoblast.F) A) and D)
G) A) and C)

Exam 29: Development, Growth, Aging, and Genetics

Segments of mesoderm that will form muscles are

Correct Answer
verified

Pulling to a standing position is a typical milestone for which age?

Correct Answer
verified

In males, the urogenital folds close over the urogenital opening and urethral groove to form the

Correct Answer
verified

What type of gene expression are the ABO blood types an example of?

Correct Answer
verified

Which of the following statements concerning the digestive system of a newborn is true?

Correct Answer
verified

An infant born with a gestational age of 254 days would be considered

Correct Answer
verified

Correct Answer
verified

The embryonic heart

Correct Answer
verified

The time period between fertilization and implantation is approximately

Correct Answer
verified

The single layer of cells that surrounds the blastocele is the

Correct Answer
verified

Which of the following organs develops from evaginations along the early digestive tract?

Correct Answer
verified

What genetic disorder is the failure to produce clotting factors?

Correct Answer
verified

Which of the following statements concerning musculoskeletal system development is true?

Correct Answer
verified

Genes that are passed from male to male are called

Correct Answer
verified

What genetic disorder is a type of dwarfism characterized by shortening of the upper and lower limbs?

Correct Answer
verified

A display of the chromosomes of a somatic cell during metaphase of mitosis is the

Correct Answer
verified

The major difference between an embryo and a fetus is that

Correct Answer
verified

Once the embryonic mass has 12 or more cells, it is called a

Correct Answer
verified

Which germ layer is most muscle derived from?

Correct Answer
verified

Arrange the following in the sequence in which they form in the embryo. (1) neural plate (2) neural tube (3) notochord (4) primitive streak

Correct Answer
verified

Exam 29: Development, Growth, Aging, and Genetics

Segments of mesoderm that will form muscles are

Correct AnswerverifiedShow Answer

Pulling to a standing position is a typical milestone for which age?

Correct AnswerverifiedShow Answer

In males, the urogenital folds close over the urogenital opening and urethral groove to form the

Correct AnswerverifiedShow Answer

What type of gene expression are the ABO blood types an example of?

Correct AnswerverifiedShow Answer

Which of the following statements concerning the digestive system of a newborn is true?

Correct AnswerverifiedShow Answer

An infant born with a gestational age of 254 days would be considered

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The embryonic heart

Correct AnswerverifiedShow Answer

The time period between fertilization and implantation is approximately

Correct AnswerverifiedShow Answer

The single layer of cells that surrounds the blastocele is the

Correct AnswerverifiedShow Answer

Which of the following organs develops from evaginations along the early digestive tract?

Correct AnswerverifiedShow Answer

What genetic disorder is the failure to produce clotting factors?

Correct AnswerverifiedShow Answer

Which of the following statements concerning musculoskeletal system development is true?

Correct AnswerverifiedShow Answer

Genes that are passed from male to male are called

Correct AnswerverifiedShow Answer

What genetic disorder is a type of dwarfism characterized by shortening of the upper and lower limbs?

Correct AnswerverifiedShow Answer

A display of the chromosomes of a somatic cell during metaphase of mitosis is the

Correct AnswerverifiedShow Answer

The major difference between an embryo and a fetus is that

Correct AnswerverifiedShow Answer

Once the embryonic mass has 12 or more cells, it is called a

Correct AnswerverifiedShow Answer

Which germ layer is most muscle derived from?

Correct AnswerverifiedShow Answer

Arrange the following in the sequence in which they form in the embryo. (1) neural plate (2) neural tube (3) notochord (4) primitive streak

Correct AnswerverifiedShow Answer

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