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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