Question 1

Which one of the following is true?

Accepted Answer

A)  Osteoblasts are large,multinucleated cells that break down calcified bone matrix.
B)  Osteoblasts deposit bone matrix around themselves and become osteocytes when they are isolated in lacunae.
C)  Osteoclasts secrete bone matrix and become osteoblasts.
D)  Osteoclasts deposit bone matrix around themselves and become osteocytes when they are isolated in lacunae.E) B) and C)
F) None of the above

Question 2

Compact bone has ________,whereas spongy bone has __________.

Accepted Answer

A)  spaces that reduce the weight of bone;tightly packed matrix that is solid
B)  osteons;trabeculae
C)  trabeculae;osteons
D)  osteocytes;no osteocytesE) A) and B)
F) A) and C)

Question 3

The pectoral girdle consists of two scapulae and two clavicles.

Accepted Answer

A) True 
 B)False

Question 4

Pituitary dwarfism results from a decreased secretion of ______ ,which as a result decreases the rate of cell division of ______.

Accepted Answer

A)  thyroid hormones;osteocytes in the periosteum
B)  growth hormone;fat cells in the medullary cavity
C)  thyroid hormones;osteoclasts in the compact bone
D)  growth hormone ;cartilage cells in the epiphyseal plateE) A) and B)
F) C) and D)

Question 5

The presence of an epiphyseal plate indicates that:

Accepted Answer

A)  the bone is lengthening.
B)  the bone is no longer lengthening.
C)  the bone is increasing in diameter.
D)  the bone has completed ossification.E) A) and D)
F) A) and B)

Question 6

At what age are nearly all bones completely ossified?

Accepted Answer

A)  Birth
B)  5 years
C)  15 years
D)  25 yearsE) A) and C)
F) B) and C)

Question 7

In a child,a vitamin D deficiency results in ______,whereas a vitamin A deficiency results in ______.

Accepted Answer

A)  pituitary dwarfism;rickets
B)  rickets;retardation of bone development
C)  excess calcium absorption;osteomalacia
D)  soft bones;ricketsE) All of the above
F) B) and C)

Question 8

The intervertebral discs are formed of _____________.

Accepted Answer

The answer of The intervertebral discs are formed of _____________....

Question 9

Bisphosphonates are drugs that slow the progress of

Accepted Answer

A)  rickets.
B)  heart disease.
C)  osteoporosis.
D)  menopause.E) All of the above
F) A) and B)

Exam 7: Skeletal System

The intervertebral discs are formed of _____________.

Correct Answer
verified

Which one of the following is true?

Correct Answer
verified

The presence of an epiphyseal plate indicates that:

Correct Answer
verified

At what age are nearly all bones completely ossified?

Correct Answer
verified

Compact bone has ,whereas spongy bone has __.

Correct Answer
verified

In a child,a vitamin D deficiency results in ,whereas a vitamin A deficiency results in .

Correct Answer
verified

The pectoral girdle consists of two scapulae and two clavicles.

Correct Answer
verified

Pituitary dwarfism results from a decreased secretion of ,which as a result decreases the rate of cell division of .

Correct Answer
verified

Bisphosphonates are drugs that slow the progress of

Correct Answer
verified

Exam 7: Skeletal System

The intervertebral discs are formed of _____________.

Correct AnswerverifiedShow Answer

Which one of the following is true?

Correct AnswerverifiedShow Answer

The presence of an epiphyseal plate indicates that:

Correct AnswerverifiedShow Answer

At what age are nearly all bones completely ossified?

Correct AnswerverifiedShow Answer

Compact bone has ________,whereas spongy bone has __________.

Correct AnswerverifiedShow Answer

In a child,a vitamin D deficiency results in ______,whereas a vitamin A deficiency results in ______.

Correct AnswerverifiedShow Answer

The pectoral girdle consists of two scapulae and two clavicles.

Correct AnswerverifiedShow Answer

Pituitary dwarfism results from a decreased secretion of ______ ,which as a result decreases the rate of cell division of ______.

Correct AnswerverifiedShow Answer

Bisphosphonates are drugs that slow the progress of

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Compact bone has ,whereas spongy bone has __.

Correct Answer
verified

In a child,a vitamin D deficiency results in ,whereas a vitamin A deficiency results in .

Correct Answer
verified

Correct Answer
verified

Pituitary dwarfism results from a decreased secretion of ,which as a result decreases the rate of cell division of .

Correct Answer
verified

Correct Answer
verified