Question 1

Which of the following bones is part of the appendicular skeleton?

Accepted Answer

A)   ribs
B)   sternum
C)   scapula
D)   vertebrae
E)   skullF) C) and D)
G) A) and E)

Question 2

The sarcoplasmic reticulum will release calcium ions after the muscle impulses travel through the

Accepted Answer

A)   sarcolemma.
B)   neuromuscular junction.
C)   tropomyosin.
D)   axon terminal.
E)   T tubule.F) B) and D)
G) C) and E)

Question 3

Within a sarcomere, actin and myosin filaments both overlap in the

Accepted Answer

A)   A band.
B)   Z line.
C)   H zone.
D)   I band.
E)   M band.F) All of the above
G) D) and E)

Question 4

Muscles that are not used or used for very weak contractions experience hypertrophy.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following is a function that is independent of the skeletal system?

Accepted Answer

A)   substantial body movement (walking, etc.) 
B)   storage of calcium, phosphorus, and fat
C)   blood cell production
D)   protection of brain and other soft organs
E)   detection of stimuliF) B) and D)
G) All of the above

Question 6

What is the condition in many older women in which the bones become weak and thin?

Accepted Answer

A)   rheumatoid arthritis
B)   bursitis
C)   osteoarthritis
D)   osteoporosis
E)   meningitisF) D) and E)
G) A) and E)

Question 7

A maximal sustained muscle contraction is called

Accepted Answer

A)   a twitch.
B)   a threshold.
C)   tetanus.
D)   tone.
E)   summation.F) A) and B)
G) A) and C)

Question 8

What structure allows the distribution of nutrients to osteocytes?

Accepted Answer

A)   canaliculi
B)   spongy bone
C)   osteoblasts
D)   growth plates
E)   diaphysisF) B) and D)
G) B) and E)

Question 9

The deltoid muscle is shaped like a triangle.

Accepted Answer

A) True 
 B)False

Question 10

If all of the muscle fibers in the neck, trunk, and legs were to totally relax, the body would collapse. What is the state called where some of the fibers in a particular muscle are always contracted?

Accepted Answer

A)   twitch
B)   threshold
C)   tetanus
D)   tone
E)   summationF) A) and B)
G) C) and E)

Question 11

The antagonistic muscle to the quadriceps femoris group is the gastrocnemius.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is a correct association of bone structure and function?

Accepted Answer

A)   osteoblasts-cells that break down bone tissue
B)   osteoclasts-cells that build bone tissue
C)   osteons-units of spongy bone
D)   canaliculi-the central canal in a long bone
E)   lacunae-tiny chambers that house osteocytesF) A) and E)
G) A) and B)

Question 13

Cross-bridges connect

Accepted Answer

A)   tropomyosin to troponin.
B)   troponin to myosin.
C)   tropomyosin with actin.
D)   troponin to actin.
E)   myosin to actin.F) B) and C)
G) D) and E)

Question 14

The joints found between the vertebrae are classified as being

Accepted Answer

A)   immovable.
B)   slightly movable.
C)   freely movable.
D)   synovial joints.
E)   discoidal.F) A) and B)
G) A) and C)

Question 15

Judo is a sport that requires an explosion of energy rather than endurance. The better type of muscle would be

Accepted Answer

A)   slow-twitch fibers with many mitochondria and high blood supply.
B)   slow-twitch fibers with fewer mitochondria and lower blood supply.
C)   fast-twitch fibers with many mitochondria and high blood supply.
D)   fast-twitch fibers with fewer mitochondria and lower blood supply.
E)   fast-twitch fibers with a reserve of glycogen and fat.F) B) and D)
G) C) and E)

Question 16

What is the name of the muscle that you sit on?

Accepted Answer

A)   deltoid
B)   quadriceps femoris group
C)   hamstring group
D)   gluteus maximus
E)   pectoralis majorF) A) and E)
G) B) and E)

Question 17

The plasma membrane of a muscle fiber is called the sarcolemma.

Accepted Answer

A) True 
 B)False

Question 18

When the biceps brachii contracts, the lower arm extends.

Accepted Answer

A) True 
 B)False

Question 19

The vertebrae are part of the appendicular skeleton.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following criteria is used in the naming of muscles?

Accepted Answer

A)   size
B)   shape
C)   location
D)   name(s)  of the bone(s)  it attaches to
E)   All of the answer choices describe criteria used in the naming of muscles.F) A) and C)
G) A) and E)

Exam 19: Musculoskeletal System

Which of the following is a correct association of bone structure and function?

Correct AnswerverifiedShow Answer

The antagonistic muscle to the quadriceps femoris group is the gastrocnemius.

Correct AnswerverifiedShow Answer

Which of the following bones is part of the appendicular skeleton?

Correct AnswerverifiedShow Answer

When the biceps brachii contracts, the lower arm extends.

Correct AnswerverifiedShow Answer

Which of the following criteria is used in the naming of muscles?

Correct AnswerverifiedShow Answer

A maximal sustained muscle contraction is called

Correct AnswerverifiedShow Answer

Within a sarcomere, actin and myosin filaments both overlap in the

Correct AnswerverifiedShow Answer

Muscles that are not used or used for very weak contractions experience hypertrophy.

Correct AnswerverifiedShow Answer

The plasma membrane of a muscle fiber is called the sarcolemma.

Correct AnswerverifiedShow Answer

The deltoid muscle is shaped like a triangle.

Correct AnswerverifiedShow Answer

Cross-bridges connect

Correct AnswerverifiedShow Answer

What is the condition in many older women in which the bones become weak and thin?

Correct AnswerverifiedShow Answer

Judo is a sport that requires an explosion of energy rather than endurance. The better type of muscle would be

Correct AnswerverifiedShow Answer

What structure allows the distribution of nutrients to osteocytes?

Correct AnswerverifiedShow Answer

If all of the muscle fibers in the neck, trunk, and legs were to totally relax, the body would collapse. What is the state called where some of the fibers in a particular muscle are always contracted?

Correct AnswerverifiedShow Answer

What is the name of the muscle that you sit on?

Correct AnswerverifiedShow Answer

Which of the following is a function that is independent of the skeletal system?

Correct AnswerverifiedShow Answer

The vertebrae are part of the appendicular skeleton.

Correct AnswerverifiedShow Answer

The joints found between the vertebrae are classified as being

Correct AnswerverifiedShow Answer

The sarcoplasmic reticulum will release calcium ions after the muscle impulses travel through the

Correct AnswerverifiedShow Answer

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