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Exam 6: The Skeletal System

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Question 21

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Why do women experience the symptoms of osteoporosis more acutely than men?

A) Women have less bone mass and produce less estrogen later in life; these factors accelerate calcium loss.
B) Women have less muscle mass and don't exercise as much.
C) Men don't produce estrogen, so they don't rely on it as much as women do.
D) Men take in more calcium in their diet, so they can't get osteoporosis.

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Question 22

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Membranous areas in the infant skull that join bones and function to allow for rapid growth of the brain are known as ________.

A) fibrous membrane
B) osteocytes
C) fontanels
D) lacunae

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Question 23

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The ________ joints have no joint cavity and usually do not permit movement. Sutures between skull bones are this kind of joint.

A series of interconnected bones that form the backbone of all mammals, fishes, reptiles, and birds is the ________.

A patient with leukemia has blood cells that are not dividing properly and are out of control. Treatment consists of a bone marrow transplant. How would this help?

Match each definition to the correct term

Which of the following covers compact bone and functions in bone repair and growth?

Too much calcium in the bloodstream, a condition called hypercalcemia, can be very dangerous. The thyroid gland releases a hormone, calcitonin, when calcium is too high. How does calcitonin lower calcium levels in the blood?

Which of the following occurs after a calcium-rich meal?

Which of the following are the bones that form the bridge of the nose?

Vertebrae in the neck are classified as ________ vertebrae.

In addition to support of soft tissue, what are the other five functions of the skeletal system?

You fall while roller-skating and notice a hematoma on your tibia, suggesting that you damaged the bone. Describe step by step how your bone will heal.

You have fractured your bone and your physician is explaining the healing process to you. She tells you that after the blood clot forms, the next step is the development of the callus. Which of the following describes the structure of the callus?

Which of the following is incorrect about the human skeleton?

Organized sports can be very competitive, even for young children. Little League players are often pushed to develop such skills as perfecting a curve ball. However, repeatedly trying to throw a curve ball can cause injury in growing bone. What part of the bone is most likely affected?

Carpal tunnel syndrome is caused by an inflammation of tendons passing through the carpal tunnel of the wrist. What causes this inflammation and pain?

Explain the structure and function of the fontanels in an infant. At what age do they disappear?

The pectoral girdle is composed of the ________, or shoulder blades, and the collarbones.

Which of these cranial bones separates the cranial cavity from the nasal cavity and provides the olfactory nerves with access to the brain?