A&p – Chapter 7 – The Muscular System
62 Questions
| Total Attempts: 290
A&P – Chapter 7 – The Muscular System
Questions and Answers
- 1.Muscles are named by-(Select all that apply)Pg 183
- A.
Shape & Size
- B.
Bone they are near
- C.
Number of origins
- D.
Point of attachments
- E.
Directions of fibers
- 2.In order to create movement, muscle fibers usually _______.Pg 183
- A.
Get longer
- B.
Get shorter
- 3.Attachment of muscle to bone that doesn't move when contraction occurs.Pg G-23
- A.
Origin
- B.
Insertion
- 4.Attachment of muscle to bone that moves when contractions occur.Pg G-17
- A.
Origin
- B.
Insertion
- 5.Smooth muscle is also referred to as-(Check all that apply)Pg 156
- A.
Skeletal
- B.
Voluntary
- C.
Involuntary
- D.
Visceral
- E.
Striated
- 6.Skeletal muscle is also referred to as-(Check all that apply)pg 156
- A.
Striated
- B.
Involuntary
- C.
Voluntary
- D.
Visceral
- E.
Smooth
- 7.Have unique dark bands called intercalated disks where the plasma membranes of adjacent _____ fibers come in contact with each other.Pg 156
- A.
Skeletal
- B.
Cardiac
- C.
Smooth
- 8.Unique dark bands called _______ where the plasma membranes of adjacent cardiac fibers come in contact with each other.Pg 156
- 9.Fibers are cylindrical, branch frequently, and then recombine into a continuous mass of interconnected tissue.Pg 156
- A.
Skeletal
- B.
Cardiac
- C.
Smooth
- 10.An organ composed mainly of striated muscle fibers & connective tissue.Pg 157
- A.
Skeletal
- B.
Cardiac
- C.
Smooth
- 11.______ anchor muscles firmly to bones.Pg 157
- 12.Made of dense, fibrous connective tissues in the shape of heavy cords.Pg 157
- 13.Muscular movement occurs when chemical enery from nutrient molecules are transferred to protein filaments in each muscle fiber and then converted to mechanical energy that attempts to contract the muscle.Pg 155
- A.
True
- B.
False
- 14.Prefixes that refer to muscle-(Select all that apply)Pg 155
- A.
Dendro-
- B.
Myo-
- C.
-ase
- D.
Sarco-
- E.
Oligo-
- 15.Each fine thread is a muscle is called a muscle cell or a muscle _____.Pg 156
- 16.Have a smooth appearance when viewed under the microscope.Pg 156
- A.
Skeletal
- B.
Cardiac
- C.
Smooth
- 17.Most ___muscles attach to two bones that have a movable joint between them.Pg 157
- 18.Tendon ______ enclose some tendons.Pg 157
- 19.Thick & thin myofilaments are formed by proteins called-Pg 157
- A.
Origin & Insertion
- B.
Myosin & Actin
- C.
Calcium & Oxygen
- 20.Thick myofilaments are made from a protein called-Pg 157
- A.
Actin
- B.
Myosin
- 21.Thin myofilaments are made from a protein called-Pg 157
- A.
Actin
- B.
Myosin
- 22.What is the smallest functional unit of muscle?Pg 157-159
- 23.Of all the muscles contracting simultaneously, the one that is manily responsible for producing a particular movment is called the _______________.Pg 159
- A.
Prime mover
- B.
Synergists
- C.
Antagonist muscles
- 24.The other muscles that helps in producing the movement are called ___.Pg 159
- A.
Prime mover
- B.
Synergists
- C.
Antagonist muscles
- 25.When muscles contract simultaneously, the other muscles that relax are called ____.Pg 159
- A.
Prime mover
- B.
Synergists
- C.
Antagonist muscles
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