Study Bank Questions and Answers for Rates of Growth and Development Already Passed
(A) Anthropometric data are preffered over craniometric data in the study of growth because (B) soft
tissue rather than hard tissue landmarks are used in craniometric studies. - Answers A true B false
In fetal and postnatal growth, what is meant by the "cephalocaudal gradient of growth"?
A. Head grows faster than trunk and limbs
B. trunk and limbs grow faster than head
C. cephalic structures are more important for growth
D. caudal structures are more important for growth - Answers B
How could you establish a child's reading age?
A. Compare against standards for social development
B. Compare against standards for reading development
C. evaluate with scores of standard IQ tests
D. Not possible, developmental ages relate to physical chracteristics only - Answers B
Which of the following is the most appropriate description of the concept of pattern in growth?
A. Proportional size relationships
B. Changes in proportions over time
C. Conservation of proportions as size increases
D. Changes in proportions as size increases - Answers B
On growth charts with 6 month data plots, what is the significance of a child "crossing the percentiles"
downward?
A. indicates growth disturbance, perhaps chronic illness or chronic problem
B. indicates incresingly active growth perhaps tumor
C. no significance over this period of time, quick changes more importatn
D. No significance - Answers A
(A) Girls grow earlier than boys at adolescenece because (B) girls mature sexually earlier than boys. -
Answers A and B true and related
Which of the following is not appropriately described as growth?
,A. Increase in size
B. increase in number
C. increase in complexity
D. increase in specialization - Answers D
The value of implants such as metallic pins placed in the jaws, in radiographic studies of growth is that
A. the implants mare areas of bone that are growing
B. the implants mark areas of bone that are remodeling
C. the implants mark areas of bone that are not growting or remodeling
D. the implants outline ares of bone of particular interest so they can be evaluated. - Answers C
What percentage of a normally distributed poplulation is within two standard deviations of the mean
A. 50
B. 66
C. 78
D. 87
E 95 - Answers E
How do vital stains contribute to the study of growth?
A. stain everything that was present when they were administered
B. stain everything that was growing when they were administered
C. stain everything that grew after they were administered
D. stain specific things that were growing at the time they were administered - Answers D
Within the face, the postnatal cephalocaudal gradient of growth predicts that
A. The face grows faster than the cranium
B. The mandible grows faster than the maxilla
C. The maxilla grows faster than the cranium
D. all of the above
,E. none of the above - Answers D
If a girls bone age is 12 what is her chronologic age most likely to be
A. 10
B. 11
C. 12
D. 13 - Answers C
Which of the folowing is the major disadvantage of cephalometric radiography in the study of growth?
A. Requires damaging X rays
B. requires complex head positioning equipment
C. makes it difficulat to see soft tissue landmarks
D. offers a 2D view of 3D objects - Answers D
The difference between a growth distance curve and a growth velocity curve is that
A. distance curve plots total achieved, velocity cure plots increment
B. distance curve plots increment, velocity curve plots total achieved
C. both curves plot increment, but velocity curve magnifies it
D. both curves plot total achieved, but distance curve magnifies it - Answers A
(A) Longitudinal growth data are quite inefficient in terms of the amount of information obtained from
each subject because (B) the longitudinal data highlight individual variations. - Answers A is false B is
true
What does it mean to say that a child is in the 95% percentile for height?
A. shes in the shortest 5% of the population her age
B. shes in the tallest 5% of the population her age
C. shes more than two standard deviations below the mean
D. she's more than two standard deviations above the mean - Answers B
In growth of the craniofacial skeleton, which of the following cellular activities is most active?
A. Hyperplasia
, B. Hypertrophy
C. Secretion of extracellular material
D. All are equally important - Answers C
In growth of the crainial and facial soft tissues, which of the following cellular activities is the least
important
A. hyperplasia
B. hypertrophy
C. secretion of extracellular material - Answers C
(A) Interstitial growth does not occur in the growth of calcified tissues because (B) the rigid calcified
tissue mass cannot expand internally. - Answers A and B are false
Which of the following statements best describes the growth of a long bone of the limbs
A. The bone is formed in cartilage and replaced by endochondral ossification
B. Cartilage does all the growing, then is replaced by bone
C. A little cartilage is present originally, but most of the growth is bone apposition
D. Both replacement of cartilage and direct apposition of bone are major contributors to the gowth
E. None - Answers D
(A) Significant interstitial remodeling of long bones occurs around haversian systems because (B) the
final increments of bone growth are obtained in the manner. - Answers (A) is true (B) is false
(A) Formation of bone always requires the intermediated step of cartilage formation because (B)
osteoblasts musct secrete their matrix on a framework - Answers A and B False
Growth of the cranial vault invovles which of the following processes?
1. endochondral ossification at multiple growth centers
2. apposition of new bone at sutures
3. apposition of new bone on external surfaces
4. apposition of new bone on internal surfaces - Answers 2,3
Which of the following types of growth is most important in the cranial base
1. Endochondraol ossification at multiple growth centers
(A) Anthropometric data are preffered over craniometric data in the study of growth because (B) soft
tissue rather than hard tissue landmarks are used in craniometric studies. - Answers A true B false
In fetal and postnatal growth, what is meant by the "cephalocaudal gradient of growth"?
A. Head grows faster than trunk and limbs
B. trunk and limbs grow faster than head
C. cephalic structures are more important for growth
D. caudal structures are more important for growth - Answers B
How could you establish a child's reading age?
A. Compare against standards for social development
B. Compare against standards for reading development
C. evaluate with scores of standard IQ tests
D. Not possible, developmental ages relate to physical chracteristics only - Answers B
Which of the following is the most appropriate description of the concept of pattern in growth?
A. Proportional size relationships
B. Changes in proportions over time
C. Conservation of proportions as size increases
D. Changes in proportions as size increases - Answers B
On growth charts with 6 month data plots, what is the significance of a child "crossing the percentiles"
downward?
A. indicates growth disturbance, perhaps chronic illness or chronic problem
B. indicates incresingly active growth perhaps tumor
C. no significance over this period of time, quick changes more importatn
D. No significance - Answers A
(A) Girls grow earlier than boys at adolescenece because (B) girls mature sexually earlier than boys. -
Answers A and B true and related
Which of the following is not appropriately described as growth?
,A. Increase in size
B. increase in number
C. increase in complexity
D. increase in specialization - Answers D
The value of implants such as metallic pins placed in the jaws, in radiographic studies of growth is that
A. the implants mare areas of bone that are growing
B. the implants mark areas of bone that are remodeling
C. the implants mark areas of bone that are not growting or remodeling
D. the implants outline ares of bone of particular interest so they can be evaluated. - Answers C
What percentage of a normally distributed poplulation is within two standard deviations of the mean
A. 50
B. 66
C. 78
D. 87
E 95 - Answers E
How do vital stains contribute to the study of growth?
A. stain everything that was present when they were administered
B. stain everything that was growing when they were administered
C. stain everything that grew after they were administered
D. stain specific things that were growing at the time they were administered - Answers D
Within the face, the postnatal cephalocaudal gradient of growth predicts that
A. The face grows faster than the cranium
B. The mandible grows faster than the maxilla
C. The maxilla grows faster than the cranium
D. all of the above
,E. none of the above - Answers D
If a girls bone age is 12 what is her chronologic age most likely to be
A. 10
B. 11
C. 12
D. 13 - Answers C
Which of the folowing is the major disadvantage of cephalometric radiography in the study of growth?
A. Requires damaging X rays
B. requires complex head positioning equipment
C. makes it difficulat to see soft tissue landmarks
D. offers a 2D view of 3D objects - Answers D
The difference between a growth distance curve and a growth velocity curve is that
A. distance curve plots total achieved, velocity cure plots increment
B. distance curve plots increment, velocity curve plots total achieved
C. both curves plot increment, but velocity curve magnifies it
D. both curves plot total achieved, but distance curve magnifies it - Answers A
(A) Longitudinal growth data are quite inefficient in terms of the amount of information obtained from
each subject because (B) the longitudinal data highlight individual variations. - Answers A is false B is
true
What does it mean to say that a child is in the 95% percentile for height?
A. shes in the shortest 5% of the population her age
B. shes in the tallest 5% of the population her age
C. shes more than two standard deviations below the mean
D. she's more than two standard deviations above the mean - Answers B
In growth of the craniofacial skeleton, which of the following cellular activities is most active?
A. Hyperplasia
, B. Hypertrophy
C. Secretion of extracellular material
D. All are equally important - Answers C
In growth of the crainial and facial soft tissues, which of the following cellular activities is the least
important
A. hyperplasia
B. hypertrophy
C. secretion of extracellular material - Answers C
(A) Interstitial growth does not occur in the growth of calcified tissues because (B) the rigid calcified
tissue mass cannot expand internally. - Answers A and B are false
Which of the following statements best describes the growth of a long bone of the limbs
A. The bone is formed in cartilage and replaced by endochondral ossification
B. Cartilage does all the growing, then is replaced by bone
C. A little cartilage is present originally, but most of the growth is bone apposition
D. Both replacement of cartilage and direct apposition of bone are major contributors to the gowth
E. None - Answers D
(A) Significant interstitial remodeling of long bones occurs around haversian systems because (B) the
final increments of bone growth are obtained in the manner. - Answers (A) is true (B) is false
(A) Formation of bone always requires the intermediated step of cartilage formation because (B)
osteoblasts musct secrete their matrix on a framework - Answers A and B False
Growth of the cranial vault invovles which of the following processes?
1. endochondral ossification at multiple growth centers
2. apposition of new bone at sutures
3. apposition of new bone on external surfaces
4. apposition of new bone on internal surfaces - Answers 2,3
Which of the following types of growth is most important in the cranial base
1. Endochondraol ossification at multiple growth centers
