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.
excitability.
B.
extensibility.
C.
contractility.
D.
elasticity.
Question #2
Which bone is controlled by the muscles of mastication?
A.
Zygomatic
B.
Mandible
C.
Maxilla
D.
Vomer
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.
sphincter muscles.
B.
visceral muscles.
C.
skeletal muscles.
D.
smooth muscles.
Question #6
Which term describes the part of a skeletal muscle that is attached to a fixed structure or bone?
A.
Insertion
B.
Origin
C.
Prime mover
D.
Synergists
Question #7
The large triangular muscle located on the upper surface of the back is called the
A.
trapezius.
B.
sternocleidomastoid.
C.
deltoid.
D.
serratus.
Question #8
Which word part means weakness?
A.
-algia
B.
lemma
C.
-ceps
D.
-asthenia
Question #9
There are how many principle types of muscles?
A.
Three
B.
Two
C.
Four
D.
Five
Question #10
The ability to respond to certain stimuli by producing electric signals is called
A.
extensibility.
B.
excitability.
C.
action potentials.
D.
contractility.
Question #11
Which muscle extends the femur and rotates it outwardly?
A.
Tibialis anterior
B.
Gluteus maximus
C.
Rectus femoris
D.
Soleus
Question #12
This occurs when an organ protrudes through a weak muscle.
A.
Torticollis
B.
Hernia
C.
Fasciitis
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.
5
C.
60
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.
Smooth muscle
C.
Sphincter muscle
D.
Cardiac muscle
Question #15
A motor neuron plus all the muscle fibers it stimulates is called a(n)
A.
sarcolemma
B.
neuromuscular junction.
C.
axon.
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.
rotator cuff injury.
C.
shin splints.
D.
plantar fasciitis.
Question #17
The word root troph means
A.
nourishment.
B.
nature.
C.
husk or covering.
D.
muscle.
Question #18
Which muscle is used to control breathing?
A.
Nasalis
B.
Peroneus longus
C.
Masseter
D.
Diaphragm
Question #19
Intramuscular means
A.
beside the muscle.
B.
muscle weakness.
C.
into the muscle.
D.
without a muscle.
Question #20
A sustained contraction of a muscle is called
A.
muscle strain.
B.
hernia.
C.
muscle spasm.
D.
fibromyalgia.
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