Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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How many bones are found in an adult human skeleton?
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2.
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What is the skeleton of an embryo mainly composed of?
a. | bone | c. | bone marrow | b. | cartilage | d. | growth plates |
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3.
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If a bone is broken, which of the following produces new bone tissue to heal the
break?
a. | marrow | c. | osteoblasts | b. | Haversian canals | d. | leukocytes |
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4.
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Ossification occurs in which of the following?
a. | embryos | b. | newborn children and
teenagers | c. | embryos and newborn children | d. | embryos, newborn children, and
teenagers |
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Figure
36–1
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5.
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Which type of freely movable joints in Figure 36–1 are examples of joints
that permit only back-and-forth movement?
a. | Diagram A | c. | Diagram C | b. | Diagram B | d. | Diagram D |
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6.
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What tough connective tissues join skeletal muscles to bones?
a. | joints | c. | periosteum | b. | ligaments | d. | tendons |
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7.
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Which of the following is NOT true about muscle tone?
a. | It is responsible for keeping the back and legs straight when you’re
relaxed. | b. | It is increased through regular exercise. | c. | It describes the
tightening of some muscles. | d. | It increases with
age. |
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8.
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The elbow joint bends when the
a. | triceps muscle contracts. | c. | biceps muscle
contracts. | b. | triceps muscle relaxes. | d. | biceps muscle relaxes. |
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9.
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What two layers make up skin?
a. | keratin and dermis | c. | epidermis and dermis | b. | epidermis and melanin | d. | melanin and
keratin |
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10.
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Which of the following structures is NOT formed by keratin?
a. | reptile scales | c. | tip of the nose | b. | feathers | d. | hair |
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Modified True/False
Indicate
whether the statement is true or false. If false, change the identified word or phrase to make the
statement true.
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11.
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The periosteum is a tough layer of connective tissue that surrounds a
typical bone. _________________________
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12.
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The different classes of joints are based on their location.
______________________________
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13.
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Smooth muscle is found in just one place in the body.
_________________________
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14.
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Individual skeletal muscles can only push in one direction.
_________________________
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15.
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Nails grow from an area of rapidly dividing cells known as the nail root.
_________________________
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Completion
Complete each
statement.
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16.
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A ____________________ consists of two layers made up of ligaments and cells
that produce synovial fluid.
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17.
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The point of contact between a motor neuron and a skeletal muscular cell is
called a(an) _________________________.
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18.
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A slight scratch of the skin does not cause bleeding because the epidermis lacks
____________________.
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19.
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The dark brown pigment in the skin is called ____________________.
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20.
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Hair and nails are part of the _________________________ system.
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Short Answer
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21.
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As a person matures into an adult, cartilage in certain areas turns to bone.
Where is this change NOT the case, and why?
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Figure
36–3
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22.
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How is the structure labeled A a key factor in the function of other structures
in Figure 36-3?
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23.
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Compare and contrast the functions of the structures labeled B and C in Figure
36–3.
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24.
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What are the three different types of muscle?
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25.
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Each muscle fiber has an all-or-none response. How, then, can the strength of
the muscle contraction vary?
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