Question 1

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

Question 2

-What does "D" represent on the diagram?

Accepted Answer

A)   fertilization
B)   morula
C)   blastocyst
D)   implantation
E)   ovulationF) A) and B)
G) All of the above

Question 3

Premature aging is called

Accepted Answer

A)   progeria.
B)   lactation.
C)   parturition.
D)   Alzheimer's disease.
E)   dementia.F) A) and D)
G) A) and C)

Question 4

Which germ layer is the thyroid derived from?

Accepted Answer

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

Question 5

If an albino (aa)  mates with a person homozygous for normal pigment (AA) ,

Accepted Answer

A)   half of the offspring are normal.
B)   half of the offspring are albinos.
C)   all offspring are normal.
D)   all offspring are albinos.
E)   None of these choices is correct.F) None of the above
G) C) and D)

Question 6

Cells of the neuroectoderm become all of the following EXCEPT the

Accepted Answer

A)   brain
B)   spinal cord
C)   postganglionic autonomic neurons
D)   posterior pituitary glandE) A) and B)
F) A) and D)

Question 7

If a woman ovulates two oocytes and both are fertilized,

Accepted Answer

A)   identical twins result.
B)   fraternal twins result.
C)   Siamese twins result.
D)   monozygotic twinning occurs.
E)   paternal twins result.F) C) and E)
G) None of the above

Question 8

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 week of development.F) All of the above
G) B) and E)

Question 9

Which of the following is NOT a change associated with aging?

Accepted Answer

A)   loss of neurons
B)   loss of skeletal and cardiac muscle tissue
C)   decreased cross-linking of collagen
D)   decreased ability of the lens in the eye to accommodate
E)   arteriosclerosisF) A) and D)
G) B) and C)

Question 10

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) All of the above

Question 11

One reason for the increased incidence of cancer with aging is a decrease in

Accepted Answer

A)   urine output.
B)   cardiac output.
C)   red blood cells.
D)   functioning of T lymphocytes.
E)   functioning neutrophils.F) C) and D)
G) All of the above

Question 12

Which of the following is NOT a possible route for neural crest cells?

Accepted Answer

A)   melanocytes
B)   autonomic ganglion neurons
C)   adrenal cortex
D)   sensory ganglia
E)   enteric nervous system neuronsF) All of the above
G) None of the above

Question 13

Which germ layer is the thymus derived from?

Accepted Answer

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

Question 14

Chromosomes that are NOT associated with sex determination are known as

Accepted Answer

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

Question 15

One of the major problems a premature infant may develop is respiratory distress syndrome. This occurs because in a premature infant

Accepted Answer

A)   oxygen transport is impaired.
B)   surfactant isn't produced.
C)   the lungs are collapsed.
D)   there aren't enough red blood cells to carry oxygen.
E)   there is mixing of the arterial and venous blood.F) All of the above
G) A) and E)

Question 16

Where does implantation normally occur?

Accepted Answer

A)   in the fundus area of the uterus
B)   in the isthmus area of the uterine tube
C)   in the cervix area of the uterus
D)   in the infundibulum area of the uterine tubeE) None of the above
F) B) and C)

Question 17

Which of the following structures is NOT involved in the formation of the face?

Accepted Answer

A)   apical ectodermal ridges
B)   frontonasal process
C)   maxillary processes
D)   mandibular processesE) C) and D)
F) A) and B)

Question 18

The olfactory bulbs and nerves develop as an evagination from the

Accepted Answer

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

Question 19

Many of the emotional characteristics of a person are formed during

Accepted Answer

A)   infancy.
B)   early childhood.
C)   adolescence.
D)   adulthood.
E)   neonatal period.F) B) and E)
G) A) and C)

Question 20

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

Accepted Answer

A)   umbilical vein
B)   umbilical arteries
C)   umbilical cord
D)   placenta
E)   endometriumF) A) and D)
G) None of the above

Exam 29: Development, Growth, Aging, and Genetics

-What does "D" represent on the diagram?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

One of the major problems a premature infant may develop is respiratory distress syndrome. This occurs because in a premature infant

Correct AnswerverifiedShow Answer

One reason for the increased incidence of cancer with aging is a decrease in

Correct AnswerverifiedShow Answer

Cells of the neuroectoderm become all of the following EXCEPT the

Correct AnswerverifiedShow Answer

Which of the following structures is NOT involved in the formation of the face?

Correct AnswerverifiedShow Answer

Chromosomes that are NOT associated with sex determination are known as

Correct AnswerverifiedShow Answer

Which of the following is NOT a possible route for neural crest cells?

Correct AnswerverifiedShow Answer

Where does implantation normally occur?

Correct AnswerverifiedShow Answer

Which germ layer is the thymus derived from?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

If a woman ovulates two oocytes and both are fertilized,

Correct AnswerverifiedShow Answer

Which germ layer is the thyroid derived from?

Correct AnswerverifiedShow Answer

What genetic disorder is the failure to produce clotting factors?

Correct AnswerverifiedShow Answer

The olfactory bulbs and nerves develop as an evagination from the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Many of the emotional characteristics of a person are formed during

Correct AnswerverifiedShow Answer

Which of the following is NOT a change associated with aging?

Correct AnswerverifiedShow Answer

If an albino (aa) mates with a person homozygous for normal pigment (AA) ,

Correct AnswerverifiedShow Answer

Premature aging is called

Correct AnswerverifiedShow Answer

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