True/False
Indicate whether the
statement is true or false.
|
|
|
1
|
Skeletal muscle cells are normally multinucleated.
|
|
|
2
|
When a muscle is termed “involuntary”, it means that you have
conscious control of the movements of the muscle.
|
|
|
3
|
Muscle fibers are composed of thin myofilaments and thick myofilaments.
|
|
|
4
|
The explanation as to how a skeletal muscle contracts is known as the Sliding
Striation Model.
|
Multiple Choice
Identify the
choice that best completes the statement or answers the question.
|
|
|
5
|
Which is NOT one of the three types of muscles found in the body?
a | smooth | b | intercalated | c | cardiac | d | skeletal |
|
|
|
6
|
The connective tissue that covers the entire skeletal muscle is known
as....
a | endomysium | b | perimysium | c | epimysium | d | aponeuroses |
|
|
|
7
|
Skeletal muscles can attach to all of the following EXCEPT:
a | bones | c | ligaments | b | cartilages | d | connective tissue
coverings |
|
Numeric Response
|
|
|
8
|
Our normal body temperature is __________ºF or 37ºC.
|
Completion
Complete each
statement.
|
|
|
9
|
The ____________ muscle type:
- is found in the heart
- has
striations
- is involuntary
- cells usually have a single nucleus
|
|
|
10
|
The _____________ muscle type:
- is found mainly in the walls of hollow
organs
- has no striations
- is involuntary
- cells have a single nucleus
|
|
|
11
|
A _____________________ is the cord-like structure that attaches a muscle to the
bone.
|
|
|
12
|
The proteins that compose skeletal muscles are ________________ and actin; they
are found in the thick and thin filaments in a muscle fiber.
|
|
|
13
|
Muscles function in movement, posture or muscle tone and _____________
production.
|
|
|
14
|
We are able to maintain our body position because of a specialized type of
skeletal muscle contraction called _______________ contraction.
|
Matching
|
|
|
Match the following terms to their definitions: a | prime mover | e | motor
neuron | b | synergists | f | acetylcholine | c | antagonists | g | oxygen debt | d | hypothermia | h | sarcomere |
|
|
|
15
|
The muscle that must relax when the opposing muscle is contracting.
|
|
|
16
|
The neurotransmitter for skeletal muscles.
|
|
|
17
|
Contractile unit of a muscle fiber.
|
|
|
18
|
The continued increased metabolism that must occur in a cell to remove excess
lactic acid that accumulates during prolonged exercise.
|
|
|
19
|
The muscle mainly responsible for producing a particular movement.
|
|
|
20
|
The term used to describe when the body temperature decreases below
37ºC.
|