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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