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.
Vomer
B.
Maxilla
C.
Mandible
D.
Zygomatic
Question #3
The shrinkage of muscles from disease is called
A.
hypertrophy.
B.
physiotherapy.
C.
atrophy.
D.
strain.
Question #4
Which term is used to describe muscle pain?
A.
Dystonia
B.
Myalgia
C.
Strain
D.
Tetanus
Question #5
Muscles that are attached to the bones are called
A.
skeletal muscles.
B.
smooth muscles.
C.
sphincter muscles.
D.
visceral muscles.
Question #6
Which term describes the part of a skeletal muscle that is attached to a fixed structure or bone?
A.
Insertion
B.
Prime mover
C.
Synergists
D.
Origin
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.
-asthenia
D.
-ceps
Question #9
There are how many principle types of muscles?
A.
Four
B.
Three
C.
Five
D.
Two
Question #10
The ability to respond to certain stimuli by producing electric signals is called
A.
excitability.
B.
contractility.
C.
extensibility.
D.
action potentials.
Question #11
Which muscle extends the femur and rotates it outwardly?
A.
Gluteus maximus
B.
Rectus femoris
C.
Tibialis anterior
D.
Soleus
Question #12
This occurs when an organ protrudes through a weak muscle.
A.
Torticollis
B.
Hernia
C.
Spasm
D.
Fasciitis
Question #13
Cardiac muscle cells start to die when the oxygen supply is cut off for as little as how many seconds?
A.
5
B.
60
C.
30
D.
15
Question #14
Which type of muscle fibers are short, branching fibers with a centrally located nucleus and nondistinct striations?
A.
Sphincter muscle
B.
Skeletal muscle
C.
Smooth muscle
D.
Cardiac muscle
Question #15
A motor neuron plus all the muscle fibers it stimulates is called a(n)
A.
motor unit.
B.
axon.
C.
sarcolemma
D.
neuromuscular junction.
Question #16
An inflammation of a group of tendons that fuse together and surround the shoulder joint is called
A.
rotator cuff injury.
B.
lateral epicondylitis.
C.
plantar fasciitis.
D.
shin splints.
Question #17
The word root troph means
A.
muscle.
B.
husk or covering.
C.
nature.
D.
nourishment.
Question #18
Which muscle is used to control breathing?
A.
Nasalis
B.
Diaphragm
C.
Peroneus longus
D.
Masseter
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.
fibromyalgia.
C.
muscle spasm.
D.
hernia.
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