Question 1

Functions of the vertebrate endoskeleton include

Accepted Answer

A)   production of blood cells only.
B)   both production of nerve cells and storage of calcium.
C)   storage of calcium only.
D)   both production of blood cells and storage of calcium.
E)   production of nerve cells only.F) A) and B)
G) A) and C)

Question 2

-What letter in the figure of a long bone corresponds to the location where red blood cells and platelets are made?

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   EF) B) and E)
G) A) and C)

Question 3

Why is myosin important for contraction?

Accepted Answer

A)   ATP forms a bridge binding actin to myosin.
B)   Actin heads bend when attached to myosin.
C)   Calcium ions form a bridge moving actin along myosin.
D)   Myosin heads bend when attached to actin.
E)   Myosin synthesizes new strands of actin, lengthening the muscle.F) All of the above
G) A) and C)

Question 4

The type of skeleton that is an internal support structure is a(n)

Accepted Answer

A)   endoskeleton.
B)   hydrostatic skeleton.
C)   gastrovascular cavity.
D)   exoskeleton.
E)   vascular canal.F) A) and C)
G) B) and D)

Question 5

Athletes who compete in distance/endurance events develop more fast-twitch muscle.

Accepted Answer

A) True 
 B)False

Question 6

While in medical school working on a cadaver,you are instructed to find a damaged tendon.You might first look for what two things joined together?

Accepted Answer

A)   muscle; bone
B)   ligaments; bone
C)   muscle; muscle
D)   bone; bone
E)   cartilage; boneF) A) and B)
G) B) and E)

Question 7

-What letter in the figure of a long bone corresponds to the location of hard,dense connective tissue with canals that house blood vessels and nervous tissue but that lacks enough space to store red bone marrow?

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   EF) A) and C)
G) All of the above

Question 8

A thick filament in a muscle cell is composed primarily of the protein

Accepted Answer

A)   pectin.
B)   myoglobin.
C)   hemoglobin.
D)   actin.
E)   myosin.F) C) and D)
G) A) and D)

Question 9

The type of skeleton composed of calcium rich-spines,cartilage or bone is a(n)

Accepted Answer

A)   exoskeleton.
B)   hydrostatic skeleton.
C)   gastrovascular cavity.
D)   endoskeleton.
E)   vascular canal.F) A) and B)
G) A) and C)

Question 10

Connective tissue of the musculoskeletal system includes

Accepted Answer

A)   ligaments.
B)   bone.
C)   cartilage.
D)   tendons.
E)   All answers are correct.F) A) and B)
G) B) and C)

Question 11

What keeps your head held up and not drooped forward toward your chest when you are awake?

Accepted Answer

A)   nervous tissue
B)   skeletal muscle
C)   cartilage
D)   bone
E)   tendonsF) A) and E)
G) A) and D)

Question 12

Which is not a part of the axial skeleton?

Accepted Answer

A)   pelvic girdle
B)   ribs
C)   skull
D)   sternum
E)   vertebral columnF) A) and B)
G) A) and C)

Question 13

If a growth plate is damaged before bone growth is complete,what may result?

Accepted Answer

A)   Additional cartilage will be added to the growth plate.
B)   The bone will not grow to its full length.
C)   The bone will continue to grow unchecked.
D)   The cartilage will continue to grow unchecked.
E)   Red bone marrow will not form because of a reduced marrow cavity.F) A) and C)
G) C) and D)

Question 14

Which is not an important function of calcium in vertebrates?

Accepted Answer

A)   blood clotting
B)   muscle contraction
C)   transport of oxygen to the body's cells
D)   homeostasis
E)   strengthening of boneF) B) and D)
G) B) and C)

Question 15

The type of skeleton that is usually composed of either a calcium-containing shell or chitin is a(n)

Accepted Answer

A)   endoskeleton.
B)   exoskeleton.
C)   hydrostatic skeleton.
D)   gastrovascular cavity.
E)   vascular canal.F) A) and B)
G) D) and E)

Question 16

Without muscles,bones ________ and without bones,muscles ________.

Accepted Answer

A)   would remain in one location; would move soft tissue layers
B)   would remain in one location; would remain in one location
C)   would provide movement; would remain in one location
D)   would be useless; would remain under control of the nervous system
E)   would remain under control of the nervous system; would be uselessF) C) and D)
G) B) and D)

Question 17

An autoimmune disorder in which there is chronic inflammation of the joint membrane is

Accepted Answer

A)   osteoarthritis.
B)   scoliosis.
C)   rheumatoid arthritis.
D)   osteoporosis.
E)   acromegaly.F) None of the above
G) A) and B)

Question 18

Which is not a part of the appendicular skeleton?

Accepted Answer

A)   pelvic girdle
B)   sternum
C)   pectoral girdle
D)   femur
E)   humerusF) A) and B)
G) A) and C)

Question 19

A neuromuscular junction is a ________ between a ________ and a ________.

Accepted Answer

A)   membrane; muscle; neuron
B)   synovial joint; muscle; neuron
C)   synapse; muscle; neuron
D)   synovial joint; bone; muscle
E)   synapse; bone; muscleF) A) and B)
G) C) and E)

Question 20

In muscle tissue,if there is not enough oxygen for aerobic respiration to occur,the muscle cell

Accepted Answer

A)   can produce ATP by fermentation.
B)   cannot make ATP.
C)   uses creatine phosphate instead of ATP for energy.
D)   can produce ATP from fats.
E)   depletes its reserves of lactic acid.F) A) and B)
G) C) and D)

Exam 26: The Skeletal and Muscular Systems

Why is myosin important for contraction?

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What keeps your head held up and not drooped forward toward your chest when you are awake?

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The type of skeleton composed of calcium rich-spines,cartilage or bone is a(n)

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If a growth plate is damaged before bone growth is complete,what may result?

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Which is not a part of the axial skeleton?

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-What letter in the figure of a long bone corresponds to the location where red blood cells and platelets are made?

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Functions of the vertebrate endoskeleton include

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The type of skeleton that is an internal support structure is a(n)

Correct AnswerverifiedShow Answer

An autoimmune disorder in which there is chronic inflammation of the joint membrane is

Correct AnswerverifiedShow Answer

A thick filament in a muscle cell is composed primarily of the protein

Correct AnswerverifiedShow Answer

Which is not a part of the appendicular skeleton?

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A neuromuscular junction is a ________ between a ________ and a ________.

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Which is not an important function of calcium in vertebrates?

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Without muscles,bones ________ and without bones,muscles ________.

Correct AnswerverifiedShow Answer

Connective tissue of the musculoskeletal system includes

Correct AnswerverifiedShow Answer

The type of skeleton that is usually composed of either a calcium-containing shell or chitin is a(n)

Correct AnswerverifiedShow Answer

Athletes who compete in distance/endurance events develop more fast-twitch muscle.

Correct AnswerverifiedShow Answer

In muscle tissue,if there is not enough oxygen for aerobic respiration to occur,the muscle cell

Correct AnswerverifiedShow Answer

While in medical school working on a cadaver,you are instructed to find a damaged tendon.You might first look for what two things joined together?

Correct AnswerverifiedShow Answer

-What letter in the figure of a long bone corresponds to the location of hard,dense connective tissue with canals that house blood vessels and nervous tissue but that lacks enough space to store red bone marrow?

Correct AnswerverifiedShow Answer

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A neuromuscular junction is a between a and a .

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Without muscles,bones and without bones,muscles .

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