Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
BIOL G220 Exam 2 Review C
Test Description: Skeletal and Muscular Organization and Function
Instructions: Answer all questions to get your test result.
1) Muscles are made of different types of ______, as they occupy the _____ level of organization
A
cells, Tissues
B
Organs, Organ Systems
C
molecules, cellular
D
Tissues, organ
2) Muscles are divided into bundles of muscle fibers called _____ by membranes called ____
A
Fascicles, Epimysium
B
Myofibrils, Endomysium
C
Myofibrils, Epimysium
D
Fascicles, Perimysium
3) muscle fibers, representing the ____ level of organization, are separated from one another by
A
cellular, endomysium
B
molecular, hypomysium
C
tissue, perimysium
D
organ, epimysium
4) within the muscle fibers are bundles of myofilaments called ____, which represent the ____ level of organization
A
myostriations, molecular
B
myofibrils, molecular
C
myosin, atomic
D
mwarks, subatomic
5) myofibrils are surrounded by saclike organelles simmilar to ER called ______
A
endosarcic plasmodium
B
sarcolemic vessicles
C
Folger's apparatus
D
sarcoplasmic reticulum
6) ___, along with their two adjoining terminal cisternae (of the SR) make up the -Triad-
A
Obtuse Canals
B
Inverse Chambers
C
Transverse Tubules
D
Universal Passages
7) The transverse tubules and Sarcoplasmic Reticulum are involved in
A
Delivering Energy
B
Eliminating Waste
C
Triggering Contractions
D
Storing Nutrients
8) The thick filaments are made exclusively of ___ while the thin filaments are mostly ____
A
Carbon, Nitrogen
B
Myosin, Actin
C
Actin, Myosin
D
Tropomyosin, Troponin
9) Contractile units called _____ shorten when thick and thin filaments slide along one another
A
Sarcomeres
B
Transverse Tubules
C
Myofibers
D
Myofibrils
10) The ends of the sarcomere are pulled together by the action of _____ heads attaching to ____ binding sites
A
Troponin, Tropomyosin
B
Titin, Sarcosome
C
Actin, Myosin
D
Myosin, Actin
11) To initiate contractile shortening of the sarcomere, ___ is released from the sarcoplasmic reticulum to remove ___ from the binding sites on the thin filaments
A
Sodium Ions, Actin
B
Phosphate Ions, Troponin
C
Chloride Ions, Myosin
D
Calcium Ions, Tropomyosin
12) to reset the myosin heads so that they can attach to the actin again requires
A
ETC
B
MTV
C
ATP
D
ATM
13) The aligned z-discs on adjacent microfibrils create the visible ___ in skeletal muscle
A
membranes
B
branching
C
intercalations
D
striations
14) A group of muscle fibers that are all innervated by the same motor neuron are called
A
motor units
B
functional groups
C
contractile collectives
D
Billy Bob or possibly Steve
15) muscle fibers contract
A
in sequence, one sarcomere after another along the myobibril
B
with more power as the amplitude of the stimulus increases
C
to varying degrees depending on a variety of factors
D
in an all-or-nothing manner
16) one way to increase the tension of muscle contraction is by increasing the ____ of the stimulus, in a process of TEMPORAL SUMMATION
A
penetration
B
post synapic effect
C
amplitudge
D
frequency
17) tension in a muscle can also be increased by recruiting additional motor units in a process called
A
temporal summation
B
spatial or quantal summation
C
Extramuscular summation
D
Hypercontractility
18) In the muscles of the calf and lower back, ___ fibers predominate
A
Fast Aerobic
B
Slow Aerobic
C
Fast Anerobic
D
Intermediate
19) in the muscles that move the eye and eyelid, one finds almost all of the fibers are
A
Fast Aerobic
B
Intermediate
C
Fast Anerobic
D
Slow Aerobic
20) muscles attach to the relatively immobile point at the ___, and to the relatively mobile point at the ___
A
ligament, tendon
B
insertion, origin
C
origin, insertion
D
aponeurosis, tendon
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?