8175818
Descrição
Quiz por Levi Chodorow, atualizado more than 1 year ago
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Criado por Levi Chodorow
mais de 9 anos atrás
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|
Questão 1
Questão
Which of the following is NOT considered one of the basic properties of muscle tissue?
Responda
-
excitability
-
elasticity
-
support
-
Contractility
Questão 2
Questão
The primary role of this type of muscle tissue is to push fluid and solids along the digestive tract and to perform varied functions in other systems.
Responda
-
Smooth muscle
-
Cardiac muscle
-
Skeletal muscle
Questão 3
Questão
The primary role of this type of muscle tissue is to push blood through arteries and veins in rhythmic contractions
Responda
-
Skeletal muscle
-
Cardiac muscle
-
Smooth muscle
Questão 4
Questão
Movement of skeletal muscles is an involuntary contraction
Responda
- True
- False
Questão 5
Questão
__________ muscles are contractile organs directly or indirectly attached to bones of the skeleton.
Responda
-
Skeletal muscle
-
Cardiac muscle
-
Smooth muscle
Questão 6
Questão
_____ is the ability to continue to contract over a range of resting lengths
Responda
-
Extensibility
-
Elasticity
-
Excitability
-
Contractility
Questão 7
Questão
The ability to respond to stimuli
Responda
-
Excitability
-
Responsibility
-
Reaction
-
stimulated
Questão 8
Questão
The ability to rebound toward its original length
Responda
-
Elasticity
-
Contractility
-
Stimulate
-
Flexion
Questão 9
Questão
Which of the following is/are considered function(s) of skeletal muscle?
(Choose all that apply)
Responda
-
produce skeletal movement
-
Maintain posture and body position
-
Support soft tissue
-
regulate entering and exiting of material
-
control of the body and communication among its parts.
Questão 10
Questão
Is control over swallowing, defecation, and urination voluntary or involuntary?
Responda
-
Voluntary
-
Involuntary
Questão 11
Questão
Some of the energy used for contraction is converted to heat
Responda
- True
- False
Questão 12
Questão
dense tissue that contain connective tissue wrapped around each muscle fiber, which binds each fiber to its neighbor
Responda
-
Epimysium
-
Perimysium
-
Endomysium
Questão 13
Questão
dense tissue that divides the muscle into parallel compartments of fascicles (a bundle of structures)
Responda
-
Perimysium
-
Epimysium
-
Endomysium
Questão 14
Questão
dense tissue that surrounds individual muscle fibers
Responda
-
Endomysium
-
Perimysium
-
Epimysium
Questão 15
Questão
Nerves innervate the muscle by penetrating the _______
Responda
-
epimysium
-
Endomysium
-
Perimysium
Questão 16
Questão
There is a chemical communication between a nerve and a muscle
The chemical is released into the _____
Responda
-
neuromuscular junction (aka, neuromuscular synapse)
-
Axon
-
Axon Terminal
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Synaptic Cleft
Questão 17
Questão
• Blood vessels often parallel the nerves that innervate the muscle.
• They then ______
Responda
-
branch to form coiled networks to accommodate flexion and extension of the muscle
-
dont do anything at all
-
branch to form coiled networks to push blood through arteries and veins
-
flood the body with neural activity
Questão 18
Questão
Membrane that surrounds the muscle cell
Responda
-
Sarcolemma
-
Sarcoplasm
-
Muscle fiber
-
myofilaments
Questão 19
Questão
The cytosol (the aqueous component of the cytoplasm of a cell) of the muscle cell
Responda
-
Sarcoplasm
-
Muscle fiber
-
Sarcolemma
-
myosatellite cells
Questão 20
Questão
______ is the same thing as muscle cell
Responda
-
Muscle fiber
-
Sarcoplasm
-
Sarcolemma
-
myosatellite cells
Questão 21
Questão
Where are nuclei of muscle fibers located?
Responda
-
just deep to the sarcolemma
-
in the sarcolemma
-
in the Sarcoplasm
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just deep to the Sarcoplasm
-
the muscle fibers dont have nuclei
Questão 22
Questão
______ are responsible for the contraction of muscles
Responda
-
myofibrils
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myofilaments
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Muscle fibers
-
sarcomeres
Questão 23
Questão
______ are attached to the sarcolemma at each end of the muscle cell
Responda
-
myofibrils
-
myofilaments
-
sarcomeres
-
Muscle fibers
Questão 24
Questão
______ surrounds each myofibril
Responda
-
sarcoplasmic reticulum
-
epimysium
-
myosin
-
myofilaments
Questão 25
Questão
_____ are structures that consist primarily of the proteins actin and myosin
Responda
-
myofilaments
-
Cisternae
-
Sarcolemmas
-
Sarcomeres
Questão 26
Questão
______ are thin protein filaments in myofilaments
Responda
-
Actin
-
Myosin
-
titin
-
troponin
Questão 27
Questão
______ are thick protein filaments in myofilaments
Responda
-
Myosin
-
Actin
-
troponin
-
titin
Questão 28
Questão
All the myofilaments are arranged parallel to the long axis of the cell
Responda
- True
- False
Questão 29
Questão
______ are/is the main functioning unit of muscle fibers
Responda
-
Sarcomere
-
myofibrils
-
Muscle fibers
-
mybrofiber
Questão 30
Questão
_____ creates the striations that give the skeletal muscle its identifiable characteristic
Responda
-
overlapping actin and myosin (A Band)
-
separation of actin and myosin
-
the 10,000 myofibril per sarcomere
-
The Z Line (Z disc)
Questão 31
Questão
Within a sarcomere, the region between the A band and the Z line that contains of only thin filaments is the __________.
Responda
-
I band
-
M line
-
H band
-
zone of overlap
Questão 32
Questão
Overlapping _____ bands create striations
Responda
-
Z bands
-
I band
-
A band
-
H band
-
M line
Questão 33
Questão
_____ is a protein that covers the binding sites when the muscle is relaxed
Responda
-
Tropomyosin
-
Troponin
-
titin
-
nebulin
Questão 34
Questão
Know this picture . . .
https://image.slidesharecdn.com/ch09lecturepresentation-140913123742-phpapp01/95/dr-b-ch-09lecturepresentation-15-638.jpg?cb=1410612013
Skeletal muscles consist of muscle fascicles
• Muscle fascicles consist of muscle fibers
• Muscle fibers consist of myofibrils
• Myofibrils consist of sarcomeres
• Sarcomeres consist of myofilaments
• Myofilaments are made of actin and myosin
Responda
-
ok
-
no
Questão 35
Questão
Which of the following statements regarding thick filaments is FALSE?
Responda
-
Myosin heads project toward the actin filaments
-
Adjacent thick filaments are interconnected by proteins of the H band.
-
Myosin filaments consist of an elongated tail and a globular head
-
A core of titin connects the Z lines
Questão 36
Questão
Which of these consists of Actin?
Responda
-
Thin Filaments
-
Thick Filaments
Questão 37
Questão
Which of these consists of Myosin?
Responda
-
Thin Filaments
-
Thick Filaments
Questão 38
Questão
A contracting muscle shortens in length
Responda
- True
- False
Questão 39
Questão
Contraction is caused by interactions between _______ and _______ within the sarcomere
Responda
-
thick and thin filaments
-
myofibrl and fascicle
-
epimysium and perimysium
-
I band and H band
Questão 40
Questão
Contraction is triggered by the presence of ______
Responda
-
calcium ions
-
phosphate ions
-
collagen fibers
Questão 41
Questão
Arrange the following from smallest structure to largest structure:
(perhaps do it on a piece of paper):
a. Muscle cell or muscle fiber
b. Fascicle
c. Myofilaments
d. Whole skeletal muscle
e. Myofibril
Responda
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Myofilaments, Myofibril, Muscle cell or muscle fiber, Fascicle, Whole skeletal muscle
-
dont got it
Questão 42
Questão
According to the sliding filament theory when a muscle contracts, what happens?
Responda
-
The thick filaments slide past the thin filaments, and the sarcomere shotens.
-
The thin filaments slide past the thick filaments, and the sarcomere shortens.
-
actin filaments slide away from each other allowing the fibers in the muscle to contract
Questão 43
Questão
What controls muscle fibers?
Responda
-
motor unit
-
motor unit and motor neuron
-
motor neuron
-
muscles
-
None of the listed responses is correct.
Questão 44
Questão
Motor Units (Motor Neurons Controlling Muscle Fibers) have two types of control.
The control over the eye muscles is an example of _________; meaning a ___________.
Responda
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Precise control; motor neuron controlling two or three muscle fibers
-
less precise control; motor neuron controlling two or three muscle fibers
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Precise control; A motor neuron controlling perhaps 2000 muscle fibers
-
less precise control; A motor neuron controlling perhaps 2000 muscle fibers
Questão 45
Questão
__________ refers to the condition in which muscles of the body remain semi-contracted for an extended period
Responda
-
Muscle tension
-
Muscle contraction
-
Muscle retraction
Questão 46
Questão
Muscle tension depends on (choose all that apply)
Responda
-
The frequency of stimulation
-
The number of motor units involved
Questão 47
Questão
A ______ is a motor neuron controlling Muscle Fibers
Responda
-
Motor Units
-
muscle fascicles
-
motor neurons
-
neural pathway
Questão 48
Questão
______ is the tension of a muscle when it is relaxed
Responda
-
Muscle Tone
-
Muscle Control
-
Muscle Contraction
-
Resting Muscle
Questão 49
Questão
_______ stabilizes the position of bones and joints.
An example would be the amount of muscle involvement that results in normal body posture
Responda
-
Resting Muscle
-
Muscle Contraction
-
Muscle Tone
-
Muscle Control
Questão 50
Questão
_______ are specialized muscle cells that are monitored by sensory nerves to control muscle tone
Responda
-
Muscle Spindles
-
Muscle Fibers
-
red fibers
-
white fiber
Questão 51
Questão
Enlargement of the muscle is known as _______
Responda
-
Muscle Hypertrophy
-
Muscle Atrophy
-
Myopathies
Questão 52
Questão
Exercise causes (choose all that apply)
Responda
-
An increase in the number of mitochondria
-
An increase in the activity of muscle spindles
-
An increase in the concentration of glycolytic enzymes
-
An increase in the glycogen reserves
-
An increase in the number of myofibrils
Questão 53
Questão
______ is the discontinued use of a muscle
Responda
-
Muscle Atrophy
-
Muscle Hypertrophy
-
Myopathies
Questão 54
Questão
What is muscle tone?
Responda
-
the reduction in muscle size, tone, and power
-
the resting tension of skeletal muscles
-
a single contraction
-
muscle recruitment
Questão 55
Questão
the study of, Myofibrils, Myofilaments, Sarcomeres is _______
Responda
-
Microscopic anatomy
-
Gross anatomy
Questão 56
Questão
Myofibrils are bundles of myofilaments (protein filaments).
Responda
- True
- False
Questão 57
Questão
Humans rely on muscles for:
Responda
-
Many of our physiological processes
-
Virtually all our dynamic interactions with the environment
-
Stores minerals needed by blood cells.
-
Oxen-agates the body
Questão 58
Questão
Epimysium, perimysium, and endomysium converge to form ______. (Read them all)
Responda
-
tendons
-
connective tissue
-
Aponeuroses
-
All of these (they're the same thing - tends = bundle, aponeuroses = sheet)
Questão 59
Questão
Myosin (thick filament) and Actin are arranged in repeating units called _______
Responda
-
sarcomeres
-
tropomyosin
-
muscle waves
-
transverse tubules
Questão 60
Questão
Thin Filaments (Actin) Consists of twisted filaments of F actin strands and G actin globular molecules. Which of these consists of an active site (binding site)
Responda
-
G actin molecules
-
F actin strand
Questão 61
Questão
One sarcomere can defined as _____ line to _____ line
Responda
-
z to z
-
a to a
-
h to h
-
b to b
Questão 62
Questão
This is a picture of a portion of a sarcomere.
What bank is represented by the red on the bottom. This is a stack of Actin and Z line.
Responda
-
I band
-
Z line
-
B line
-
H line
Questão 63
Questão
In between the I bands is the ____ band. This is represented by the green in this picture.
Responda
-
A band
-
B band
-
Boy band
-
Z band
Questão 64
Questão
In this picture the orange is the H zone. In the H zone there is only myosin and it is therefore less dark than the rest of the A band where actin and myosin are stacked.
Responda
- True
- False
Questão 65
Questão
Muscle fiber also contains an abundance of WHAT, a starchlike carbohydrate that provides energy for the cell during heightened levels of exercise.
Responda
-
glycogen
-
calcium
-
calcium phosphate
-
cytosol
Questão 66
Questão
Part of actin filaments. A thin filament also has molecules of protein called WHAT (an elongated protein winds along the groove of the F actin).
Responda
-
Tropomyosin
-
Troponin
-
titin
-
myoblast
Questão 67
Questão
Each tropomyosin molecule has a smaller calcium-binding protein called WHAT bound to it.
Holds tropomyosin in position
Responda
-
titin
-
myoblast
-
troponin
-
myosin
Questão 68
Questão
a light band; from Z disks to ends of thick filaments
Responda
-
I band
-
h band
-
a band
-
z band
Questão 69
Questão
n the middle of the A band, there is a lighter region called the WHAT, into which the thin filaments do not reach.
Responda
-
H band
-
B band
-
z band
-
I band
Questão 70
Questão
The thick filaments originate at a dark WHAT in the middle of the H band.
Responda
-
M Line
-
Z line
-
K line
-
S line
Questão 71
Questão
Each light I band is bisected by a dark narrow WHAT which provides anchorage for the thin filaments
Responda
-
Z disk
-
M line
-
H band
-
I band
Questão 72
Questão
Each segment of a myofilament from one Z disc to the next is called a WHAT
Responda
-
muscle fiber
-
myofibril
-
sarcomere
Questão 73
Questão
Myofilaments are made of actin and myosin
Responda
- True
- False
Questão 74
Questão
Study of Perimysium, Endmysim and epimysium
Responda
-
gross
-
microscopic
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