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Exam 5: The Skeletal System

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Question 1

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Which one of the following statements is TRUE regarding bone?

A) The epiphysis of a long bone is filled with yellow bone marrow.
B) Bone is not considered to be a living tissue because it does not contain cells or blood vessels.
C) Dense compact bone is located in the center of a long bone.
D) Stem cells responsible for the production of blood cells are located in red bone marrow.
E) The outer surface of a bone is covered with loose connective tissue.

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Question 2

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All of the following statements about the sinuses are TRUE EXCEPT which one?

A) The sinuses are located in several of the facial bones.
B) The sinuses are lined by a tissue that produces and secretes mucus.
C) The sinuses give the human voice its characteristic resonance and tone.
D) The sinuses add weight and bulk to the skull and facial bones, strengthening them.
E) The sinuses connect to the nasal cavity by small passageways.

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Question 3

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Arrange in the proper sequence the following events as they occur in the ossification of a long bone. 1. Chondroblasts die, and the surrounding matrix breaks down. 2) Osteoblasts secrete osteoid. 3) Blood vessels transport osteoblasts into the area to be ossified. 4) Chondroblasts create a model of long bones from cartilage. 5) Osteoblasts become osteocytes.

Using the figure above, match the following. -location of blood vessels

Immovable joints such as those found between bones of the skull are ________ joints.

Each of the following bones is part of the axial skeleton EXCEPT which one?

Osteogenesis imperfecta, also known as "brittle bone disease," is caused by a genetic defect in the gene that encodes ________, the major protein found in bone.

During the last two months of fetal development of the female, sex hormones cause bone remodeling of the pelvic girdle that adapts it for pregnancy and birth.

All of the following are functions of bone EXCEPT which one?

Individuals can prevent osteoporosis by including sufficient supplies of vitamin C and calcium in their diets and maintaining a consistent exercise program.

Match the following.

When a bone breaks, a(n) ________ forms until later being replaced with bone.

The ________ bones are pierced by tiny openings through which the tear ducts drain.

Which one of the following bones articulates with the metatarsal bones?

Osteoporosis is a common condition that essentially results when homeostasis cannot be maintained in ________ and ________.

As bone develops and becomes hard, osteocytes become trapped in hollow chambers called lacunae.

If a child needed to have surgery that removed all growth plates, what would be the effect on bone growth?

A number of different hormones work together to influence bone growth and integrity. Explain how each of the following hormones affects the development for the maintenance of bone: growth hormone, estrogen, testosterone, calcitonin, parathyroid hormone

A young man is brought to an emergency room; his diagnosis is a broken cheek bone. Which one of the following bones has been affected?

In characterizing cartilage, which one of the following is CORRECT?