Question 1

Timothy has really "ripped" abdominal muscles.What muscle(s) has he exercised extensively to get that appearance?

Accepted Answer

A)   rectus abdominis
B)   biceps brachii
C)   latissimus dorsi
D)   external oblique
E)   adductor longusF) All of the above
G) C) and E)

Question 2

Depending on the degree of stimulation,more and more individual muscle fibers contract resulting in a stronger muscle contraction.

Accepted Answer

A) True 
 B)False

Question 3

The deltoid muscle is shaped like a triangle.

Accepted Answer

A) True 
 B)False

Question 4

Which is NOT a correct association of facial bones?

Accepted Answer

A)   zygomatic bones-bridge of the nose
B)   mandible-lower jaw
C)   maxillae-upper jaw and hard palate
D)   temporal-temples
E)   frontal-foreheadF) B) and D)
G) A) and D)

Question 5

Which part of a muscle twitch occurs when the sarcomere distance is decreasing?

Accepted Answer

A)   latent period
B)   contraction period
C)   relaxation period
D)   refractory period
E)   expansion periodF) B) and D)
G) D) and E)

Question 6

Which bone is the only bone in the body that does not articulate with another bone?

Accepted Answer

A)   zygomatic bone
B)   mandible
C)   floating rib
D)   hyoid bone
E)   wrist boneF) B) and E)
G) B) and D)

Question 7

A neuromuscular junction operates much like a synapse between two nerve cells.

Accepted Answer

A) True 
 B)False

Question 8

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) None of the above
G) B) and D)

Question 9

Which of the following can prevent osteoporosis?

Accepted Answer

A)   aspirin therapy
B)   estrogen replacement therapy
C)   treatment with chondroitin sulfate
D)   treatment with glucosamine
E)   treatment with corticosteroidsF) A) and C)
G) A) and D)

Question 10

Actin and myosin filaments are both present in the dense region called the

Accepted Answer

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

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

The humerus bone in Figure 19.1 is the bone labeled

Accepted Answer

A)   a.
B)   b.
C)   c.
D)   d.
E)   e.F) B) and C)
G) C) and D)

Question 13

In young persons who are still developing,what is the band of cartilage called that remains between the primary ossification center and each secondary ossification center?

Accepted Answer

A)   chondrocytic mediastinum
B)   osteoclastic border
C)   osteon promoter
D)   fontanel
E)   growth plateF) B) and C)
G) D) and E)

Question 14

The muscle action potential will cause the sarcoplasmic reticulum to release calcium ions when stimulated directly by the

Accepted Answer

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

Question 15

Describe the six characteristics used to name skeletal muscles.

Accepted Answer

1.Size of the muscle is used to help nam...

Question 16

The patella is primarily held in place by tendons that attach it to the

Accepted Answer

A)   femur.
B)   fibula.
C)   tibia.
D)   calcaneus.
E)   tarsal bones.F) B) and C)
G) A) and D)

Question 17

What is the order you would encounter these tissues entering the outside of the end of a long bone of the arm?

Accepted Answer

A)   articular cartilage  →\rarr→  spongy bone  →\rarr→ marrow  →\rarr→  periosteum
B)   articular cartilage  →\rarr→ periosteum  →\rarr→  spongy bone  →\rarr→  marrow
C)   periosteum  →\rarr→  articular cartilage  →\rarr→  spongy bone  →\rarr→  marrow
D)   articular cartilage  →\rarr→  marrow  →\rarr→  spongy bone  →\rarr→  periosteum
E)   spongy bone  →\rarr→  articular cartilage  →\rarr→  periosteum  →\rarr→  marrow F) B) and E)
G) A) and D)

Question 18

A muscle cramp happens when the actin and myosin filaments "seize up".

Accepted Answer

A) True 
 B)False

Question 19

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 C)
G) C) and D)

Question 20

In the movies,there are often scenes where someone is holding a person to prevent them from falling.All of a sudden,the person's grip gives way and the other person falls.What is this most likely due to?

Accepted Answer

A)   The person changes their mind and lets go.
B)   Fatigue, following sustained muscle contraction, is apparent when a muscle relaxes even though stimulation continues.
C)   A muscle twitch has a contraction period followed by a relaxation period.
D)   Some of the muscle fibers contract while others relax at any given time. When more muscle fibers relax than contract, the grip would be broken.
E)   The slow-twitch muscle fibers take over after the fast-twitch muscle fibers fail. These do not have the same strength and endurance as the fast-twitch fibers and the person lets go.F) B) and C)
G) C) and D)

Exam 19: Musculoskeletal System

The deltoid muscle is shaped like a triangle.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Describe the six characteristics used to name skeletal muscles.

Correct Answerverified1.Size of the muscle is used to help nam...View AnswerShow Answer

In the movies,there are often scenes where someone is holding a person to prevent them from falling.All of a sudden,the person's grip gives way and the other person falls.What is this most likely due to?

Correct AnswerverifiedShow Answer

The humerus bone in Figure 19.1 is the bone labeled

Correct AnswerverifiedShow Answer

Which of the following can prevent osteoporosis?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Depending on the degree of stimulation,more and more individual muscle fibers contract resulting in a stronger muscle contraction.

Correct AnswerverifiedShow Answer

Which part of a muscle twitch occurs when the sarcomere distance is decreasing?

Correct AnswerverifiedShow Answer

The patella is primarily held in place by tendons that attach it to the

Correct AnswerverifiedShow Answer

What is the order you would encounter these tissues entering the outside of the end of a long bone of the arm?

Correct AnswerverifiedShow Answer

Which is NOT a correct association of facial bones?

Correct AnswerverifiedShow Answer

A muscle cramp happens when the actin and myosin filaments "seize up".

Correct AnswerverifiedShow Answer

The joints found between the vertebrae are classified as being

Correct AnswerverifiedShow Answer

Actin and myosin filaments are both present in the dense region called the

Correct AnswerverifiedShow Answer

A neuromuscular junction operates much like a synapse between two nerve cells.

Correct AnswerverifiedShow Answer

Timothy has really "ripped" abdominal muscles.What muscle(s) has he exercised extensively to get that appearance?

Correct AnswerverifiedShow Answer

Which bone is the only bone in the body that does not articulate with another bone?

Correct AnswerverifiedShow Answer

The muscle action potential will cause the sarcoplasmic reticulum to release calcium ions when stimulated directly by the

Correct AnswerverifiedShow Answer

In young persons who are still developing,what is the band of cartilage called that remains between the primary ossification center and each secondary ossification center?

Correct AnswerverifiedShow Answer

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1.Size of the muscle is used to help nam...
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