Question 1

-What does structure "C" represent on the bone diagram?

Accepted Answer

A)   Spongy bone
B)   Diaphysis
C)   Epiphyseal lines
D)   Articular cartilage
E)   EpiphysisF) B) and E)
G) A) and E)

Question 2

Which substance causes an increase in the blood calcium level?

Accepted Answer

A)   Growth hormone
B)   Sex hormones
C)   Parathyroid hormone
D)   Calcitonin
E)   Vitamin DF) None of the above
G) D) and E)

Question 3

The spaces between developing skull bones that have not ossified are called ________.

Accepted Answer

A)   epiphyseal plates
B)   articular cartilages
C)   fontanels
D)   bone collars
E)   medullary cavitiesF) B) and D)
G) A) and D)

Question 4

Calcitonin

Accepted Answer

A)   decreases osteoblast activity.
B)   decreases osteocyte activity.
C)   decreases osteochondral progenitor cell activity.
D)   is associated with decreased osteoclast activity.
E)   has no effect on bone cells.F) A) and D)
G) C) and D)

Question 5

Miguel fell out of a tree and broke his fall by putting his arm out, fracturing his radius and ulna. The bones were still aligned at the fracture site. Which specific type of bone fracture is Miguel most likely to have?

Accepted Answer

A)   Stress fracture fracture
B)   Nondisplaced fracture
C)   Spiral fracture
D)   Avulsion fracture
E)   None of the choices are correct.F) C) and D)
G) A) and C) B

Question 6

A young boy (10 years old)  exhibited the following symptoms: advanced development of secondary sexual characteristics and rapid growth. Which of the following likely caused his condition?

Accepted Answer

A)   Hypersecretion of growth hormone
B)   Hypersecretion of testosterone
C)   Hypersecretion of estrogen
D)   Hyposecretion of estrogen
E)   Hypersecretion of vitamin DF) All of the above
G) B) and D)

Question 7

Osteomalacia is

Accepted Answer

A)   bone inflammation that often results from bacterial infection.
B)   a disease in adults, especially women, characterized by a reduced amount of bone matrix.
C)   a disease in adults characterized by softening of bones resulting from calcium depletion.
D)   a disease in children characterized by soft, bowed, and swollen bones.
E)   a group of genetic disorders producing very brittle bones that are easily fractured; this occurs because of insufficient collagen development.F) A) and C)
G) C) and D)

Question 8

Woven bone

Accepted Answer

A)   has its collagen fibers randomly oriented.
B)   has a porous appearance.
C)   is organized into thin sheets of tissue.
D)   is very light in weight.
E)   is not easily restructured.F) B) and D)
G) A) and B)

Question 9

Which type of bone tissue appears porous?

Accepted Answer

A)   Spongy bone
B)   Compact bone
C)   Both "spongy bone" and "compact bone" are correct.D) B) and C)
E) All of the above

Question 10

Canaliculi are found in this type of bone tissue.

Accepted Answer

A)   Spongy bone
B)   Compact bone
C)   Both "spongy bone" and "compact bone" are correct.D) All of the above
E) A) and B) C

Question 11

The type of lamellae that forms the outside surface of compact bone is ________.

Accepted Answer

A)   circumferential
B)   concentric
C)   interstitial
D)   appositional
E)   oppositionalF) A) and D)
G) None of the above

Question 12

Some marrow of long bones is termed "yellow" marrow under normal conditions. The function of yellow marrow is to

Accepted Answer

A)   manufacture blood cells.
B)   manufacture tissue cells for the skin.
C)   store adipose tissue.
D)   store bone-forming cells.
E)   make vitamin D.F) B) and C)
G) A) and E)

Question 13

If an x-ray shows a black area in the region of the epiphyseal plate,

Accepted Answer

A)   the bone is fractured.
B)   growth of the bone is complete.
C)   marrow is forming in the spongy bone.
D)   the epiphyseal plate has not completely ossified.
E)   the cartilage is absent.F) C) and D)
G) B) and D)

Question 14

-What does structure "B" represent on the bone diagram?

Accepted Answer

A)   Spongy bone
B)   Diaphysis
C)   Epiphyseal lines
D)   Articular cartilage
E)   EpiphysisF) B) and E)
G) B) and D)

Question 15

Bone remodeling may occur

Accepted Answer

A)   as bones grow.
B)   as bones adjust to stress.
C)   as fractures heal.
D)   constantly during a person's lifetime.
E)   All of the choices are correct.F) B) and E)
G) B) and D)

Question 16

The medullary cavity is

Accepted Answer

A)   empty in adult bones.
B)   the site where osteoblasts are found.
C)   lined with endosteum.
D)   filled with fibrocartilage and elastin fibers.
E)   dead space in the bone.F) B) and E)
G) C) and E)

Question 17

Which type of bone cell combines hydroxyapatite and collagen to form extracellular bone matrix?

Accepted Answer

A)   Osteochondral progenitor cell
B)   Osteoblast
C)   Osteocyte
D)   OsteoclastE) C) and D)
F) A) and B)

Question 18

The two types of bone development formation include endochondral and endosteal bone.

Accepted Answer

A) True 
 B)False  False

Question 19

Which chemical stimulates interstitial cartilage and appositional bone growth?

Accepted Answer

A)   Growth hormone
B)   Sex hormones
C)   Parathyroid hormone
D)   Calcitonin
E)   Vitamin DF) A) and C)
G) A) and E)

Question 20

The type of lamellae found between osteons (haversian systems)  is ________.

Accepted Answer

A)   circumferential
B)   concentric
C)   interstitial
D)   appositional
E)   oppositionalF) A) and B)
G) A) and C)

Exam 6: Skeletal System: Bones and Bone Tissue

-What does structure "C" represent on the bone diagram?

Correct AnswerverifiedShow Answer

Which substance causes an increase in the blood calcium level?

Correct AnswerverifiedShow Answer

The spaces between developing skull bones that have not ossified are called ________.

Correct AnswerverifiedShow Answer

Calcitonin

Correct AnswerverifiedShow Answer

Miguel fell out of a tree and broke his fall by putting his arm out, fracturing his radius and ulna. The bones were still aligned at the fracture site. Which specific type of bone fracture is Miguel most likely to have?

Correct AnswerverifiedB

A young boy (10 years old) exhibited the following symptoms: advanced development of secondary sexual characteristics and rapid growth. Which of the following likely caused his condition?

Correct AnswerverifiedShow Answer

Osteomalacia is

Correct AnswerverifiedShow Answer

Woven bone

Correct AnswerverifiedShow Answer

Which type of bone tissue appears porous?

Correct AnswerverifiedShow Answer

Canaliculi are found in this type of bone tissue.

Correct AnswerverifiedC

The type of lamellae that forms the outside surface of compact bone is ________.

Correct AnswerverifiedShow Answer

Some marrow of long bones is termed "yellow" marrow under normal conditions. The function of yellow marrow is to

Correct AnswerverifiedShow Answer

If an x-ray shows a black area in the region of the epiphyseal plate,

Correct AnswerverifiedShow Answer

-What does structure "B" represent on the bone diagram?

Correct AnswerverifiedShow Answer

Bone remodeling may occur

Correct AnswerverifiedShow Answer

The medullary cavity is

Correct AnswerverifiedShow Answer

Which type of bone cell combines hydroxyapatite and collagen to form extracellular bone matrix?

Correct AnswerverifiedShow Answer

The two types of bone development formation include endochondral and endosteal bone.

Correct AnswerverifiedFalse

Which chemical stimulates interstitial cartilage and appositional bone growth?

Correct AnswerverifiedShow Answer

The type of lamellae found between osteons (haversian systems) is ________.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
B

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
False

Correct Answer
verified

Correct Answer
verified