BSC 2087 - Human Anatomy and Physiology » Spring 2022 » Chapter 7 Homework
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Question #1
The characteristic where a muscle is able to shorten and reduce the distance between the parts of its contents is called
A.
elasticity.
B.
excitability.
C.
contractility.
D.
extensibility.
Question #2
Which bone is controlled by the muscles of mastication?
A.
Zygomatic
B.
Maxilla
C.
Vomer
D.
Mandible
Question #3
The shrinkage of muscles from disease is called
A.
physiotherapy.
B.
hypertrophy.
C.
atrophy.
D.
strain.
Question #4
Which term is used to describe muscle pain?
A.
Strain
B.
Myalgia
C.
Tetanus
D.
Dystonia
Question #5
Muscles that are attached to the bones are called
A.
visceral muscles.
B.
sphincter muscles.
C.
smooth muscles.
D.
skeletal muscles.
Question #6
Which term describes the part of a skeletal muscle that is attached to a fixed structure or bone?
A.
Synergists
B.
Insertion
C.
Prime mover
D.
Origin
Question #7
The large triangular muscle located on the upper surface of the back is called the
A.
sternocleidomastoid.
B.
deltoid.
C.
serratus.
D.
trapezius.
Question #8
Which word part means weakness?
A.
lemma
B.
-asthenia
C.
-ceps
D.
-algia
Question #9
There are how many principle types of muscles?
A.
Five
B.
Four
C.
Two
D.
Three
Question #10
The ability to respond to certain stimuli by producing electric signals is called
A.
contractility.
B.
excitability.
C.
extensibility.
D.
action potentials.
Question #11
Which muscle extends the femur and rotates it outwardly?
A.
Rectus femoris
B.
Soleus
C.
Gluteus maximus
D.
Tibialis anterior
Question #12
This occurs when an organ protrudes through a weak muscle.
A.
Torticollis
B.
Fasciitis
C.
Hernia
D.
Spasm
Question #13
Cardiac muscle cells start to die when the oxygen supply is cut off for as little as how many seconds?
A.
30
B.
60
C.
5
D.
15
Question #14
Which type of muscle fibers are short, branching fibers with a centrally located nucleus and nondistinct striations?
A.
Skeletal muscle
B.
Cardiac muscle
C.
Smooth muscle
D.
Sphincter muscle
Question #15
A motor neuron plus all the muscle fibers it stimulates is called a(n)
A.
axon.
B.
sarcolemma
C.
neuromuscular junction.
D.
motor unit.
Question #16
An inflammation of a group of tendons that fuse together and surround the shoulder joint is called
A.
lateral epicondylitis.
B.
plantar fasciitis.
C.
shin splints.
D.
rotator cuff injury.
Question #17
The word root troph means
A.
husk or covering.
B.
nourishment.
C.
muscle.
D.
nature.
Question #18
Which muscle is used to control breathing?
A.
Peroneus longus
B.
Masseter
C.
Nasalis
D.
Diaphragm
Question #19
Intramuscular means
A.
beside the muscle.
B.
into the muscle.
C.
muscle weakness.
D.
without a muscle.
Question #20
A sustained contraction of a muscle is called
A.
muscle strain.
B.
fibromyalgia.
C.
hernia.
D.
muscle spasm.
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