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Medical Terminology Unit 4 Exam

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

What is the term used to describe skeletal muscle loss by the aging population?
a.
Sarcopenia
b.
Osteoporosis
c.
Myalgia
d.
Chronic fatigue syndrome
 

 2. 

Muscles receive their red color from
a.
Blood
b.
Myoglobin
c.
Hemoglobin
d.
Bilirubin
 

 3. 

When the stomach or intestines bulge through a weakness in the muscular wall, it is referred to as a
a.
Sprain
b.
Strain
c.
Hernia
d.
Myalgia
 

 4. 

The characteristic of irritability in a muscle tissue refers to the ability to
a.
Shorten and thicken
b.
Respond to stimulation
c.
Stretch
d.
Return to its original shape after stretching
 

 5. 

Where the muscle fiber and the nerve ending meet is called
a.
Muscle joint
b.
Nerve root
c.
Neuromuscular junction
d.
Tendon
 

 6. 

Skeletal muscles require energy to move, and they receive this energy from
a.
DNA
b.
ATP
c.
RNA
d.
EMG
 

 7. 

What is the function of a synergist muscle?
a.
Responsible for moving bone
b.
Reverses movement of prime mover
c.
Helps stabilize movement of muscle
d.
Holds muscle tissue together
 

 8. 

Tendons attach
a.
Muscle to bone
b.
Bone to bone
c.
Muscle to skin
d.
Muscle to adipose tissue
 

 9. 

Which of the following terms describes posture?
a.
Tonus
b.
Flaccid
c.
Atonic
d.
Tetany
 

 10. 

An example of isometric muscle movement is
a.
Lifting a table
b.
Bending the knee
c.
Pushing against a wall
d.
Picking up a pile of books
 

 11. 

The diagnostic procedure that records the strength of a muscle contraction as a result of electrical stimulation to that muscle is
a.
Muscle biopsy
b.
Computed tomography
c.
Magnetic resonance imaging
d.
Electromyography
 

 12. 

When naming muscles, the term “quad” represents what number of attachments?
a.
Two
b.
Three
c.
Four
d.
Eight
 

 13. 

When muscle runs out of energy, a waste product causes the tired and sometimes burning feeling of muscle fatigue. This waste is
a.
Epinephrine
b.
Lactic acid
c.
Cholinesterase
d.
ATP
 

 14. 

Which muscle type is striated and has intercalated discs?
a.
Skeletal
b.
Smooth
c.
Visceral
d.
Cardiac
 

 15. 

A muscle ________ is a fixed attachment and does not move.
a.
Origin
b.
Belly
c.
Insertion
d.
Fiber
 

 16. 

Anaerobic reactions in muscles produce heat. Anaerobic means
a.
Without oxygen
b.
With oxygen
c.
With both oxygen and carbon dioxide
d.
Having nothing to do with oxygen
 

 17. 

Which of the following types of muscle contraction is abnormal?
a.
Isotonic
b.
Isometric
c.
Tetany
d.
Voluntary
 

 18. 

Tetanus is caused by the organism
a.
Streptococcus tetani
b.
Staphylococcus tetani
c.
Clostridium tetani
d.
Any of the above
 

 19. 

The chemical released to stimulate muscle contraction is
a.
Acetylcholine
b.
Epinephrine
c.
Cholinesterase
d.
Norepinephrine
 

 20. 

Trichinosis is caused by a
a.
Bacterium
b.
Virus
c.
Parasite
d.
Fungus
 

 21. 

Achilles tendon
a.
Gives support to all abdominal muscles
b.
Attaches the kneecap to the lower leg
c.
Attaches the calf muscle to the heel
d.
Extends the hip and knee
 

True/False
Indicate whether the statement is true or false.
 

 22. 

Myasthenia gravis is an autoimmune disease affecting normal transmission of nerve impulses.
 

 23. 

Treatment of contusions requires surgical intervention.
 

 24. 

A physiatrist specializes in sport injuries.
 

 25. 

Fibromyositis is muscle and tendon inflammation.
 

 26. 

The activity of muscles is influenced by the nervous system.
 

 27. 

Muscles help other body systems to function.
 

 28. 

A rheumatologist specializes in bone, joint, and muscle disorders.
 

 29. 

Muscles can only push, not pull.
 

Matching
 
 
Match each term with its definition.
a.
Abductor
f.
Levators
b.
Flexor
g.
Depressors
c.
Adductor
h.
Rotators
d.
Extensor
i.
Antagonist
e.
Sphincter
j.
Twitch
 

 30. 

Moves bone away from midline
 

 31. 

Move bone toward the midline
 

 32. 

Lowers a bone
 

 33. 

Straightens a joint
 

 34. 

Bends a joint
 

 35. 

Ringlike muscle that closes an opening
 

 36. 

Produces a “jerky” movement
 

 37. 

Reverses movement of prime mover
 

 38. 

Move a joint on its axis
 

 39. 

Lift a bone
 



 
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