Question 1

How do the lymphatic and immune systems contribute to osteoporosis?

Accepted Answer

A)   Excessive smoking lowers estrogen levels, which increases bone loss.
B)   Immune cells resist infections and release chemicals that promote tissue repair.
C)   Calcium ions released from the bones are excreted.
D)   Lack of exposure to sunlight reduces vitamin D production and decreases calcium absorption.
E)   Decreased estrogen levels following menopause contribute to the disease.F) A) and B)
G) A) and C)

Question 2

Define basic multicellular unit (BMU) .

Accepted Answer

A)   The clusters of chondrocytes within the metaphysis that will be converted to bone
B)   A group of osteoblasts and osteoclasts that work together during bone remodeling
C)   The osteoblasts found in the deepest layer of the periosteum, involved in appositional growthD) A) and B)
E) A) and C)

Question 3

The growth spurt seen in puberty is triggered by

Accepted Answer

A)   calcitonin.
B)   growth hormone.
C)   sex hormones.
D)   parathyroid hormone.
E)   thyroid hormone.F) B) and E)
G) B) and C)

Question 4

What strengthens the attachment of the tendons or ligaments to bone?

Accepted Answer

A)   growth plate
B)   epiphysis
C)   Sharpey fibers
D)   medullary cavity
E)   endosteumF) A) and B)
G) C) and D)

Question 5

Which of the following is correctly matched?

Accepted Answer

A)   short bone - carpal bone
B)   long bone - vertebra
C)   short bone - humerus
D)   flat bone - phalanges of the toes
E)   irregular bone - femurF) None of the above
G) A) and B)

Question 6

This figure illustrates bone growth in length at the Epiphyseal Plate. What is zone "A"?

Accepted Answer

A)   bone of diaphysis
B)   zone of hypertrophy
C)   zone of calcification
D)   zone of proliferation
E)   zone of resting cartilageF) A) and B)
G) C) and D)

Question 7

Chondroblasts produce

Accepted Answer

A)   ligaments.
B)   blood cells.
C)   bone tissue.
D)   cartilage matrix.
E)   synovial fluid.F) A) and D)
G) B) and D)

Question 8

How does the integumentary system contribute to osteoporosis?

Accepted Answer

A)   Lack of exposure to sunlight reduces vitamin D production and decreases calcium absorption.
B)   Calcium ions released from the bones are excreted.
C)   Immune cells resist infections and release chemicals that promote tissue repair.
D)   Excessive smoking lowers estrogen levels, which increases bone loss.
E)   Decreased estrogen levels following menopause contribute to the disease.F) B) and C)
G) B) and E)

Question 9

Small channels extending through the bone matrix are

Accepted Answer

A)   lacunae.
B)   lamellae.
C)   canaliculi.
D)   periosteum.
E)   trabeculae.F) D) and E)
G) A) and E)

Question 10

The process of ______ is important to change shapes of bones, adjust to bone stress, replace old bone matrix and to facilitate repair of broken bone.

Accepted Answer

A)   endochondral ossification
B)   appositional bone growth
C)   bone remodeling
D)   intramembranous ossificationE) A) and B)
F) A) and C)

Question 11

Osteoclasts have projections that cause bone reabsorption called

Accepted Answer

A)   ruffled borders.
B)   canaliculi.
C)   lacunae.
D)   crossroads.
E)   lamellae.F) All of the above
G) A) and C)

Question 12

Which of the following statements regarding PTH (parathyroid hormone)  is true?

Accepted Answer

A)   PTH causes increased Na+ reabsorption in the kidneys.
B)   PTH causes increased reabsorption of Ca2+ in the kidneys.
C)   PTH causes increased loss of Ca2+ from the kidneys.
D)   PTH causes decreased uptake of Ca2+ from the small intestine.
E)   PTH causes decreased vitamin D formation in the kidneys.F) D) and E)
G) A) and C)

Question 13

Name the air-filled spaces lined by mucous membranes found within flat and irregular bones.

Accepted Answer

A)   short bone
B)   red marrow cavities
C)   foramina
D)   medullary cavitiesE) B) and C)
F) A) and D)

Question 14

The collar that forms around the opposing ends of bone fragments is called a(n)

Accepted Answer

A)   osteon.
B)   epiphysis.
C)   hematoma.
D)   internal callus.
E)   external callus.F) C) and D)
G) B) and D)

Question 15

These collagen fibers help to connect ligaments and tendons to the periosteum of the bone.

Accepted Answer

A)   Purkinje fibers
B)   Golgi fibers
C)   Sharpey fibers
D)   Haversian fibers
E)   endosteal fibersF) A) and E)
G) None of the above

Question 16

Name the process which changes the shapes of bones to adjust to bone stress, replaces old bone matrix and facilitates the repair of broken bone.

Accepted Answer

A)   bone reabsorption
B)   osteomalacia
C)   appositional bone growth
D)   bone remodelingE) A) and B)
F) A) and C)

Exam 6: Skeletal System: Bones and Bone Tissue

The collar that forms around the opposing ends of bone fragments is called a(n)

Correct Answer
verified

Name the air-filled spaces lined by mucous membranes found within flat and irregular bones.

Correct Answer
verified

The growth spurt seen in puberty is triggered by

Correct Answer
verified

Small channels extending through the bone matrix are

Correct Answer
verified

Define basic multicellular unit (BMU) .

Correct Answer
verified

Name the process which changes the shapes of bones to adjust to bone stress, replaces old bone matrix and facilitates the repair of broken bone.

Correct Answer
verified

Which of the following is correctly matched?

Correct Answer
verified

What strengthens the attachment of the tendons or ligaments to bone?

Correct Answer
verified

Osteoclasts have projections that cause bone reabsorption called

Correct Answer
verified

The process of ______ is important to change shapes of bones, adjust to bone stress, replace old bone matrix and to facilitate repair of broken bone.

Correct Answer
verified

Chondroblasts produce

Correct Answer
verified

How does the integumentary system contribute to osteoporosis?

Correct Answer
verified

Which of the following statements regarding PTH (parathyroid hormone) is true?

Correct Answer
verified

This figure illustrates bone growth in length at the Epiphyseal Plate. What is zone "A"?

Correct Answer
verified

How do the lymphatic and immune systems contribute to osteoporosis?

Correct Answer
verified

These collagen fibers help to connect ligaments and tendons to the periosteum of the bone.

Correct Answer
verified

Exam 6: Skeletal System: Bones and Bone Tissue

The collar that forms around the opposing ends of bone fragments is called a(n)

Correct AnswerverifiedShow Answer

Name the air-filled spaces lined by mucous membranes found within flat and irregular bones.

Correct AnswerverifiedShow Answer

The growth spurt seen in puberty is triggered by

Correct AnswerverifiedShow Answer

Small channels extending through the bone matrix are

Correct AnswerverifiedShow Answer

Define basic multicellular unit (BMU) .

Correct AnswerverifiedShow Answer

Name the process which changes the shapes of bones to adjust to bone stress, replaces old bone matrix and facilitates the repair of broken bone.

Correct AnswerverifiedShow Answer

Which of the following is correctly matched?

Correct AnswerverifiedShow Answer

What strengthens the attachment of the tendons or ligaments to bone?

Correct AnswerverifiedShow Answer

Osteoclasts have projections that cause bone reabsorption called

Correct AnswerverifiedShow Answer

The process of ______ is important to change shapes of bones, adjust to bone stress, replace old bone matrix and to facilitate repair of broken bone.

Correct AnswerverifiedShow Answer

Chondroblasts produce

Correct AnswerverifiedShow Answer

How does the integumentary system contribute to osteoporosis?

Correct AnswerverifiedShow Answer

Which of the following statements regarding PTH (parathyroid hormone) is true?

Correct AnswerverifiedShow Answer

This figure illustrates bone growth in length at the Epiphyseal Plate. What is zone "A"?

Correct AnswerverifiedShow Answer

How do the lymphatic and immune systems contribute to osteoporosis?

Correct AnswerverifiedShow Answer

These collagen fibers help to connect ligaments and tendons to the periosteum of the bone.

Correct AnswerverifiedShow Answer

Correct Answer
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