Question 1

The earliest period of prenatal development is the ________ period.

Accepted Answer

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

Question 2

Chromosomes that are NOT associated with sex determination are known as ________.

Accepted Answer

A)   structural genes
B)   autosomes
C)   genotypes
D)   polygenic
E)   y-linkedF) A) and B)
G) None of the above

Question 3

The gonads appear as the ________.

Accepted Answer

A)   paramesonephrons
B)   urogenital folds
C)   labioscrotal swellings
D)   gonadal ridges
E)   gonadal groovesF) B) and E)
G) B) and D)

Question 4

The adult kidney develops from the ________.

Accepted Answer

A)   pronephros
B)   metanephros
C)   mesonephros
D)   allantois
E)   neonephrosF) C) and D)
G) A) and C)

Question 5

The embryo is most sensitive to outside influences that can cause malformations during the

Accepted Answer

A)   first two weeks after fertilization.
B)   third to the ninth weeks of development.
C)   ninth to the sixteenth weeks of development.
D)   twelfth to the twentieth weeks of development.
E)   twenty-first to twenty-sixth weeks of development.F) A) and B)
G) A) and C)

Question 6

In females, the genital tubercle becomes the ________.

Accepted Answer

A)   uterus
B)   ovary
C)   clitoris
D)   vagina
E)   labiaF) All of the above
G) C) and D)

Question 7

Which structure is formed by an evagination from the floor of the diencephalon?

Accepted Answer

A)   Anterior pituitary
B)   Posterior pituitary
C)   Thyroid gland
D)   Adrenal glands
E)   PancreasF) B) and D)
G) A) and E)

Question 8

Chromosome pairs are called ________.

Accepted Answer

A)   karyotypes
B)   genomes
C)   homologous pairs
D)   loci
E)   haploidF) None of the above
G) A) and C)

Question 9

What is formed by closure of neural groove?

Accepted Answer

A)   Mesonephros
B)   Mandibular processes
C)   Neural tube
D)   Secondary palate
E)   SomitesF) C) and D)
G) D) and E)

Question 10

Which of the following will cause contractions of uterine smooth muscle?

Accepted Answer

A)   Increasing levels of progesterone
B)   Decreasing levels of estrogen
C)   Decreasing levels of oxytocin
D)   Decreasing uterine stretch
E)   Increasing levels of oxytocinF) D) and E)
G) C) and E)

Question 11

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) B) and E)
G) None of the above

Question 12

Segments of mesoderm that will form muscles are ________.

Accepted Answer

A)   mesonephros
B)   mandibular processes
C)   neural tube
D)   secondary palate
E)   somitesF) B) and E)
G) D) and E)

Question 13

Which structure(s)  form(s)  the lower jaw?

Accepted Answer

A)   Mesonephros
B)   Mandibular processes
C)   Neural tube
D)   Secondary palate
E)   SomitesF) B) and D)
G) A) and D)

Question 14

An organism's genetic makeup is its ________, while its physical appearance is its ________.

Accepted Answer

A)   chromotype; phenotype
B)   genotype; phenotype
C)   phenotype; genotype
D)   genotype; chromotype
E)   aminotype; prototypeF) A) and E)
G) A) and C)

Question 15

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) A) and D)
G) A) and E)

Question 16

Which of the following pairs of terms and description 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) A) and C)

Question 17

Organogenesis is generally completed by day ________ of development.

Accepted Answer

A)   20
B)   30
C)   45
D)   60
E)   75F) A) and B)
G) A) and C)

Question 18

A patient was evaluated with the following results noted: lack of response to pain stimuli, inability to maintain breathing without medical intervention, isoelectric EEG. These results indicate ________.

Accepted Answer

A)   brain death
B)   minor damage to the cerebral cortex
C)   respiratory distress syndrome
D)   trisomy 18E) None of the above
F) A) and B)

Question 19

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 E)
G) A) and D)

Question 20

In fetal circulation, the blood containing the highest amount of oxygen is found in the ________.

Accepted Answer

A)   aorta
B)   umbilical vein
C)   ductus arteriosus
D)   umbilical arteries
E)   heartF) A) and B)
G) None of the above

Exam 29: Development, Growth, Aging, and Genetics

In fetal circulation, the blood containing the highest amount of oxygen is found in the ________.

Correct AnswerverifiedShow Answer

Which of the following will cause contractions of uterine smooth muscle?

Correct AnswerverifiedShow Answer

The adult kidney develops from the ________.

Correct AnswerverifiedShow Answer

An organism's genetic makeup is its ________, while its physical appearance is its ________.

Correct AnswerverifiedShow Answer

The embryo is most sensitive to outside influences that can cause malformations during the

Correct AnswerverifiedShow Answer

The gonads appear as the ________.

Correct AnswerverifiedShow Answer

Chromosomes that are NOT associated with sex determination are known as ________.

Correct AnswerverifiedShow Answer

What is formed by closure of neural groove?

Correct AnswerverifiedShow Answer

In females, the genital tubercle becomes the ________.

Correct AnswerverifiedShow Answer

The earliest period of prenatal development is the ________ period.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following pairs of terms and description is mismatched?

Correct AnswerverifiedShow Answer

Segments of mesoderm that will form muscles are ________.

Correct AnswerverifiedShow Answer

Which structure is formed by an evagination from the floor of the diencephalon?

Correct AnswerverifiedShow Answer

Which structure(s) form(s) the lower jaw?

Correct AnswerverifiedShow Answer

Organogenesis is generally completed by day ________ of development.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is formed from mesoderm?

Correct AnswerverifiedShow Answer

Chromosome pairs are called ________.

Correct AnswerverifiedShow Answer

A patient was evaluated with the following results noted: lack of response to pain stimuli, inability to maintain breathing without medical intervention, isoelectric EEG. These results indicate ________.

Correct AnswerverifiedShow Answer

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An organism's genetic makeup is its , while its physical appearance is its .

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