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.   Maxilla
B.   Zygomatic
C.   Vomer
D.   Mandible
Question #3
The shrinkage of muscles from disease is called
A.   physiotherapy.
B.   atrophy.
C.   hypertrophy.
D.   strain.
Question #4
Which term is used to describe muscle pain?
A.   Dystonia
B.   Strain
C.   Tetanus
D.   Myalgia
Question #5
Muscles that are attached to the bones are called
A.   skeletal muscles.
B.   sphincter muscles.
C.   smooth 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.   Prime mover
B.   Origin
C.   Synergists
D.   Insertion
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.   -ceps
B.   -algia
C.   -asthenia
D.   lemma
Question #9
There are how many principle types of muscles?
A.   Four
B.   Three
C.   Two
D.   Five
Question #10
The ability to respond to certain stimuli by producing electric signals is called
A.   excitability.
B.   contractility.
C.   action potentials.
D.   extensibility.
Question #11
Which muscle extends the femur and rotates it outwardly?
A.   Tibialis anterior
B.   Rectus femoris
C.   Gluteus maximus
D.   Soleus
Question #12
This occurs when an organ protrudes through a weak muscle.
A.   Spasm
B.   Fasciitis
C.   Hernia
D.   Torticollis
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.   15
C.   60
D.   30
Question #14
Which type of muscle fibers are short, branching fibers with a centrally located nucleus and nondistinct striations?
A.   Sphincter muscle
B.   Smooth muscle
C.   Skeletal muscle
D.   Cardiac muscle
Question #15
A motor neuron plus all the muscle fibers it stimulates is called a(n)
A.   neuromuscular junction.
B.   motor unit.
C.   sarcolemma
D.   axon.
Question #16
An inflammation of a group of tendons that fuse together and surround the shoulder joint is called
A.   plantar fasciitis.
B.   shin splints.
C.   lateral epicondylitis.
D.   rotator cuff injury.
Question #17
The word root troph means
A.   husk or covering.
B.   nourishment.
C.   nature.
D.   muscle.
Question #18
Which muscle is used to control breathing?
A.   Diaphragm
B.   Peroneus longus
C.   Nasalis
D.   Masseter
Question #19
Intramuscular means
A.   into the muscle.
B.   without a muscle.
C.   beside the muscle.
D.   muscle weakness.
Question #20
A sustained contraction of a muscle is called
A.   muscle spasm.
B.   muscle strain.
C.   hernia.
D.   fibromyalgia.

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