Question 1

Mary,an avid runner,was complaining that her lower leg hurt.After going to the doctor,they did not see anything on x-rays of her tibia or fibula.The doctor ordered a bone scan and saw tiny fissures throughout her tibia without any other tissue damage.What is Mary's likely diagnosis?

Accepted Answer

A)  Pott fracture
B)  Colles fracture
C)  Impacted fracture
D)  Comminuted fracture
E)  Stress fractureF) B) and D)
G) A) and D)

Question 2

An archeologist and an anthropologist are studying two skeletons from an ancient tomb that had apparently been looted in an earlier time.Both skeletons are females and both are approximately the same height.However,the anthropologist is absolutely certain that one skeleton is the remains of someone from the privileged class while the other skeleton is the remains of a servant or slave.
How could the anthropologist be so sure of the economic status of the individuals based solely on their skeletal remains?

Accepted Answer

A person who is from the privileged clas...

Question 3

The ______is composed of hyaline cartilage and allows the diaphysis to grow in length.

Accepted Answer

A)  periosteum
B)  distal epiphysis
C)  epiphyseal line
D)  articular cartilage
E)  epiphyseal plateF) A) and E)
G) A) and D)

Question 4

Which statement describes blood calcium levels accurately?

Accepted Answer

A)  Blood calcium levels increase when bone breaks down,and decreases when bone is built.
B)  Blood calcium levels decrease when bone breaks down,and increases when bone is built.
C)  Blood calcium levels remain constant regardless of whether bone is built or broken down.D) None of the above
E) All of the above

Question 5

Which hormone is the MOST important for Ca2+ regulation?

Accepted Answer

A)  parathyroid hormone
B)  calcitriol
C)  thyroid hormone
D)  calcitonin
E)  aldosteroneF) None of the above
G) B) and E)

Question 6

In endochondral ossification,what is the original source of osteoblasts?

Accepted Answer

A)  endoderm
B)  mesenchyme
C)  mucus connective tissue
D)  osteoprogenitor cells
E)  ectodermF) B) and E)
G) D) and E)

Question 7

Match between columns
                        Premises:  ______ is an increase in blood calcium levels.
 ______ respond when there is an increase in blood calcium levels.
 ______ is the output in response to high blood calcium levels.
 In response to the output when blood calcium levels are high, a(n) ______ in bone deposition occurs.
 In response to the output when the blood calcium levels are high, there is a decrease in ______ activity.

Accepted Answer

The Answer of Calcitonin and Calcitriol and Chief cells and is...

Question 8

Which of the labeled structures in the diagram are composed of trabeculae,which are bony structures that lack osteons?

Accepted Answer

A)  B
B)  C
C)  D
D)  F
E)  GF) C) and D)
G) A) and B)

Question 9

Briefly describe the steps in bone resorption.

Accepted Answer

during bone resorption,an osteoclast att...

Question 10

What hormone(s) is/are released from the control center when the control center receives cAMP input;also important in increasing blood calcium serum levels.Choose the best answer.

Accepted Answer

A)  calcitriol and parathyroid hormone
B)  parathyroid
C)  calcitonin
D)  parathyroid hormone and insulinlike growth factors
E)  human growth hormone and estrogenF) A) and E)
G) None of the above

Question 11

Briefly describe the processes by which bone increases in length and diameter.

Accepted Answer

The only means by which bone can increas...

Question 12

Briefly describe the major differences between compact and spongy bone.

Accepted Answer

Spongy bone is light,which reduces the o...

Question 13

Which two minerals are needed in large quantities when bones are growing?

Accepted Answer

A)  calcium and chlorine
B)  magnesium and sulfur
C)  calcium and phosphorous
D)  manganese and sulfur
E)  potassium and phosphorousF) A) and D)
G) C) and D)

Question 14

Which region of a long bone articulates with other bones?

Accepted Answer

A)  diaphysis
B)  epiphysis
C)  proximal metaphysis
D)  epiphyseal plate
E)  distal metaphysisF) A) and B)
G) A) and C)

Question 15

Osteoporosis is most common in elderly women because of the lack of __,which would inhibit ___.

Accepted Answer

A)  hGH;osteoclast activity
B)  estrogen;osteoclast activity
C)  IGFs;chondrocyte activity
D)  PTH;osteoblast activity
E)  Calcitonin;osteoclast activityF) All of the above
G) None of the above

Question 16

Briefly describe what is happening in each of the numbered stages of intramembranous ossification as observed in a child's skull shown in the diagram below.

Accepted Answer

The diagram is depicting intramembranous...

Question 17

During endochondral ossification in a fetus,bones initially develop as a cartilage model that was formed from

Accepted Answer

A)  periosteum.
B)  endosteum.
C)  perichondrium.
D)  mesenchyme.
E)  mucous connectivetissue.F) B) and E)
G) D) and E)

Question 18

Which of the labeled structures in the diagram secure dense irregular and osteogenic layers to the bone matrix?

Accepted Answer

A)  A
B)  B
C)  C
D)  D
E)  EF) C) and D)
G) C) and E)

Question 19

What are the extracellular fluid filled extensions of the lacunae called?

Accepted Answer

A)  interosteonic (perforating) canals
B)  osteonic (Haversian) canals
C)  concentric lamellae
D)  canaliculi
E)  perforating (Sharpey's) fibersF) None of the above
G) C) and D)

Question 20

PTH will increase _______activity while Calcitonin will decrease __________activity.

Accepted Answer

A)  Osteoblast;osteoclast
B)  Osteoclast;osteoblast
C)  Osteoblast;osteoblast
D)  Osteoclast;osteoclastE) A) and D)
F) B) and D)

Exam 6: The Skeletal System: Bone Tissue

Briefly describe the major differences between compact and spongy bone.

Correct Answer
verified
Spongy bone is light,which reduces the o...
View Answer

Which of the labeled structures in the diagram secure dense irregular and osteogenic layers to the bone matrix?

Correct Answer
verified

PTH will increase _activity while Calcitonin will decrease ____activity.

Correct Answer
verified

Osteoporosis is most common in elderly women because of the lack of ,which would inhibit _.

Correct Answer
verified

Which region of a long bone articulates with other bones?

Correct Answer
verified

The ______is composed of hyaline cartilage and allows the diaphysis to grow in length.

Correct Answer
verified

In endochondral ossification,what is the original source of osteoblasts?

Correct Answer
verified

Briefly describe the processes by which bone increases in length and diameter.

Correct Answer
verified
The only means by which bone can increas...
View Answer

Mary,an avid runner,was complaining that her lower leg hurt.After going to the doctor,they did not see anything on x-rays of her tibia or fibula.The doctor ordered a bone scan and saw tiny fissures throughout her tibia without any other tissue damage.What is Mary's likely diagnosis?

Correct Answer
verified

Which two minerals are needed in large quantities when bones are growing?

Correct Answer
verified

What hormone(s) is/are released from the control center when the control center receives cAMP input;also important in increasing blood calcium serum levels.Choose the best answer.

Correct Answer
verified

What are the extracellular fluid filled extensions of the lacunae called?

Correct Answer
verified

Correct Answer
verified
A person who is from the privileged clas...
View Answer

Briefly describe the steps in bone resorption.

Correct Answer
verified
during bone resorption,an osteoclast att...
View Answer

Complete the sentence with the best term.

Which hormone is the MOST important for Ca²⁺ regulation?

Correct Answer
verified

Briefly describe what is happening in each of the numbered stages of intramembranous ossification as observed in a child's skull shown in the diagram below.

Correct Answer
verified
The diagram is depicting intramembranous...
View Answer

During endochondral ossification in a fetus,bones initially develop as a cartilage model that was formed from

Correct Answer
verified

Which statement describes blood calcium levels accurately?

Correct Answer
verified

Which of the labeled structures in the diagram are composed of trabeculae,which are bony structures that lack osteons?

Correct Answer
verified

Exam 6: The Skeletal System: Bone Tissue

Briefly describe the major differences between compact and spongy bone.

Correct AnswerverifiedSpongy bone is light,which reduces the o...View AnswerShow Answer

Which of the labeled structures in the diagram secure dense irregular and osteogenic layers to the bone matrix?

Correct AnswerverifiedShow Answer

PTH will increase _______activity while Calcitonin will decrease __________activity.

Correct AnswerverifiedShow Answer

Osteoporosis is most common in elderly women because of the lack of __,which would inhibit ___.

Correct AnswerverifiedShow Answer

Which region of a long bone articulates with other bones?

Correct AnswerverifiedShow Answer

The ______is composed of hyaline cartilage and allows the diaphysis to grow in length.

Correct AnswerverifiedShow Answer

In endochondral ossification,what is the original source of osteoblasts?

Correct AnswerverifiedShow Answer

Briefly describe the processes by which bone increases in length and diameter.

Correct AnswerverifiedThe only means by which bone can increas...View AnswerShow Answer

Mary,an avid runner,was complaining that her lower leg hurt.After going to the doctor,they did not see anything on x-rays of her tibia or fibula.The doctor ordered a bone scan and saw tiny fissures throughout her tibia without any other tissue damage.What is Mary's likely diagnosis?

Correct AnswerverifiedShow Answer

Which two minerals are needed in large quantities when bones are growing?

Correct AnswerverifiedShow Answer

What hormone(s) is/are released from the control center when the control center receives cAMP input;also important in increasing blood calcium serum levels.Choose the best answer.

Correct AnswerverifiedShow Answer

What are the extracellular fluid filled extensions of the lacunae called?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedA person who is from the privileged clas...View AnswerShow Answer

Briefly describe the steps in bone resorption.

Correct Answerverifiedduring bone resorption,an osteoclast att...View AnswerShow Answer

Complete the sentence with the best term.

Which hormone is the MOST important for Ca2+ regulation?

Correct AnswerverifiedShow Answer

Briefly describe what is happening in each of the numbered stages of intramembranous ossification as observed in a child's skull shown in the diagram below.

Correct AnswerverifiedThe diagram is depicting intramembranous...View AnswerShow Answer

During endochondral ossification in a fetus,bones initially develop as a cartilage model that was formed from

Correct AnswerverifiedShow Answer

Which statement describes blood calcium levels accurately?

Correct AnswerverifiedShow Answer

Which of the labeled structures in the diagram are composed of trabeculae,which are bony structures that lack osteons?

Correct AnswerverifiedShow Answer

Correct Answer
verified
Spongy bone is light,which reduces the o...
View Answer

Correct Answer
verified

PTH will increase _activity while Calcitonin will decrease ____activity.

Correct Answer
verified

Osteoporosis is most common in elderly women because of the lack of ,which would inhibit _.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The only means by which bone can increas...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A person who is from the privileged clas...
View Answer

Correct Answer
verified
during bone resorption,an osteoclast att...
View Answer

Which hormone is the MOST important for Ca²⁺ regulation?

Correct Answer
verified

Correct Answer
verified
The diagram is depicting intramembranous...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified