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Quiz von Ashley Garrett, aktualisiert more than 1 year ago
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Erstellt von Ashley Garrett
vor mehr als 10 Jahre
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Frage 1
Frage
A large broad sheet of connective tissue, such as on the abdomen, is called a/an _____ .
Antworten
-
aponeurosis
-
epimysium
-
perimysium
-
endomysium
Frage 2
Frage
The membrane that is the closest to the individual muscle fiber is the _____.
Antworten
-
aponeurosis
-
epimysium
-
perimysium
-
endomysium
Frage 3
Frage
A group of skeletal muscle fibers is called a/an _____.
Antworten
-
perimysium
-
fascicle
-
epimysium
-
tendon
Frage 4
Frage
The structure that connects muscles to bones is the _____.
Antworten
-
aponeurosis
-
fascicle
-
tendon
-
ligament
Frage 5
Frage
The main force of contraction occurs when actin forms a chemical complex with _____ .
Antworten
-
troponin
-
myosin
-
tropomyosin
-
acetylcholine
Frage 6
Frage
When a muscle is at rest, which of the following is not associated chemically with the others?
Antworten
-
actin
-
myosin
-
troponin
-
tropomyosin
Frage 7
Frage
During the contraction of a sarcomere, calcium ions bind with the protein _____.
Antworten
-
actin
-
myosin
-
troponin
-
tropomyosin
Frage 8
Frage
The main neurotransmitter involved in skeletal muscle contraction is _____.
Antworten
-
adrenalin
-
noradrenalin
-
acetylcholine
-
dopamine
Frage 9
Frage
Which molecule directly supplies energy to myosin to allow the filaments to contract?
Antworten
-
adenosine diphosphate
-
ATP
-
creatone phosphate
-
creatinine
Frage 10
Frage
The presence of _____ allow cardiac muscle fibers to transmit impulses faster among themselves.
Antworten
-
cell membranes
-
nerve fibers
-
intercalated disks
-
peristalsis
Frage 11
Frage
The muscle is called the _____ when it is causing the movement that is being described.
Antworten
-
antagonist
-
synergist
-
prime mover
-
flexor
Frage 12
Frage
Muscles that act together to cause the same movements are called _____.
Antworten
-
synergists
-
antagonists
-
prime movers
-
agonists
Frage 13
Frage
The sternocleidomastoid muscle was named because of its _____.
Antworten
-
shape
-
size
-
location
-
points of attachment
Frage 14
Frage
The _____ muscle forms a broad flat sheet on top of the head.
Antworten
-
temporalis
-
buccinator
-
epicranius
-
frontalis
Frage 15
Frage
Which muscle lines most of the inner cheek wall?
Antworten
-
orbicularis oris
-
buccinator
-
orbicularis oculi
-
masseter
Frage 16
Frage
The _____ is a common intramuscular injection site, which flexes the shoulder or extends the arm.
Antworten
-
pectorals major
-
deltoid
-
trapezius
-
coracobrachialis
Frage 17
Frage
Which triangular thoracic muscle causes the arms to move towards the midline?
Antworten
-
subscapularis
-
teres minor
-
pectoralis major
-
latissimus dorsi
Frage 18
Frage
A synergist with the biceps brachii is the _____.
Antworten
-
triceps brachii
-
brachialis
-
deltoid
-
supinator
Frage 19
Frage
The pronator teres inserts on the _____.
Antworten
-
humerus
-
scapula
-
ulna
-
radius
Frage 20
Frage
The fibers of a muscle that are connected to the overlying skin fibers are the _____ .
Antworten
-
subcutaneous fascia
-
deep fascia
-
subserous fascia
-
tendon
Frage 21
Frage
The muscle cells within a group such as the biceps brachii are individually called _____ .
Antworten
-
sarcolemmas
-
fibers
-
myocyte
-
myofibrils
Frage 22
Frage
The I bands in a sarcomere are made of _____ .
Antworten
-
myosin
-
actin and myosin
-
tropomyosin
-
actin
Frage 23
Frage
The _____ zone contains only myosin and is in the center of a sarcomere.
Antworten
-
A
-
I
-
M
-
H
Frage 24
Frage
The cisternae are enlarged portions of the _____ .
Antworten
-
sarcoplasmic reticulum
-
endoplasmic reticulum
-
transverse tubules
-
T-tubules
Frage 25
Frage
The gap between the muscle and a nerve is the _____.
Antworten
-
synapse
-
motor end plate
-
myoneural junction
-
motor neuron
Frage 26
Frage
The chemical that crosses a neuromuscular gap is _____.
Antworten
-
sodium
-
a protein
-
a neurotransmitter
-
calcium
Frage 27
Frage
The combination of a neuron and the muscle fiber it associates with is called a/an _____ .
Antworten
-
fascicle
-
motor end plate
-
motor unit
-
myoneural junction
Frage 28
Frage
The most abundant of the muscle proteins is _____ .
Antworten
-
actin
-
troponin
-
myosin
-
tropomyosin
Frage 29
Frage
What is the most abundant storage form of energy within a muscle fiber?
Antworten
-
glycogen
-
ADP
-
ATP
-
creatine phosphate
Frage 30
Frage
What effect does creatine phosphokinase have on muscle activity?
Antworten
-
it causes a fiber to relax
-
it stimulates ATP synthesis
-
catalyzes the formation of creatine phosphate
-
causes the breakdown of creatine into creatinine
Frage 31
Frage
How is excess sugar stored within muscle fibers?
Antworten
-
in ATP
-
glycogen
-
glucose
-
creatinine
Frage 32
Frage
Which main factor allows muscle to sustain contraction even during times when the blood supply is low?
Antworten
-
the presence of hemoglobin
-
glycogen storage
-
myoglobin
-
citric acid cycle
Frage 33
Frage
The reddish brown color of muscle is due to the presence of _____ molecules.
Antworten
-
creatine phosphate
-
hemoglobin
-
iron
-
myoglobin
Frage 34
Frage
Which molecule is produced during exercise, resulting in the oxygen debt?
Antworten
-
glycogen
-
lactate
-
pyruvate
-
ATP
Frage 35
Frage
About _____% of ATP energy becomes liberated as heat from muscle metabolism.
Antworten
-
25
-
50
-
75
-
10
Frage 36
Frage
A single contraction of a muscle is called a ______.
Antworten
-
threshold
-
recruitment
-
twitch
-
myogram
Frage 37
Frage
The minimum stimulus needed to cause a contraction is called the _____.
Antworten
-
all-or-none law
-
threshold
-
sub-maximal stimulus
-
recruitment level
Frage 38
Frage
The period of time in which a muscle will not respond to a stimulus is called the _____.
Antworten
-
latent period
-
refractory period
-
relaxation period
-
threshold
Frage 39
Frage
The complete contraction of a muscle, without the ability to relax, is called _____.
Antworten
-
a sustained contraction
-
fatigue
-
tetanic contraction
-
treppe
Frage 40
Frage
The constant contraction of a percentage of fibers within a muscle is referred to as _____.
Antworten
-
tetany
-
tonus
-
sustained contraction
-
summation
Frage 41
Frage
Contractions called _____ occur whenever the forces applied to a muscle are increased, but the muscle does not appear to be moving.
Antworten
-
isotonic
-
isometric
-
tetanic
-
summation contractions
Frage 42
Frage
Which of the following muscles always requires nerve impulses in order to contract?
Antworten
-
multi-unit smooth
-
skeletal
-
visceral smooth
-
cardiac
Frage 43
Frage
Which type of muscle is found in the wall of blood vessels?
Antworten
-
skeletal
-
cardiac
-
smooth visceral
-
multi-unit smooth
Frage 44
Frage
Since smooth muscle fibers have rhythmicity and can stimulate each other, they contract in a pattern called _____.
Antworten
-
a functional syncytium
-
peristalsis
-
tetany
-
tonus
Frage 45
Frage
The degeneration of muscle fibers caused by a lack of proper stimulation and usage is called _____.
Antworten
-
hypertrophy
-
atrophy
-
dystrophy
-
peristalsis
Frage 46
Frage
In smooth muscle, calcium ions combine with _____ to allow the actin and myosin cross-bridges to form.
Antworten
-
calmodulin
-
troponin
-
myosin
-
tropomyosin
Frage 47
Frage
Which muscle causes smiling and is attached to the corners of the lips?
Antworten
-
zygomatic
-
buccinator
-
temporalis
-
orbicularis oris
Frage 48
Frage
The _____ is the broad flat muscle on the neck, which causes frowning.
Antworten
-
sternocleidomastoid
-
platysma
-
buccinator
-
pterygoid
Frage 49
Frage
A condition called temporomandibular syndrome can be caused by contraction of the _____.
Antworten
-
buccinator
-
masseter
-
platysma
-
frontalis
Frage 50
Frage
The antagonist of the sternocleidomastoid is the _____.
Antworten
-
splenius capitis
-
digastric
-
trapezius
-
semispinalis capitis
Frage 51
Frage
The triangular shaped muscle on the back that rotates the shoulder is the _____
Antworten
-
trapezius
-
rhomboid
-
deltoid
-
levator scapulae
Frage 52
Frage
The _____ muscle acts to elevate the shoulders.
Antworten
-
rhomboideus
-
levator scapulae
-
pectoralis major
-
deltoid
Frage 53
Frage
Adduction of the scapulae in a posterior view is mainly accomplished by the _____.
Antworten
-
trapezius
-
rhomboideus
-
serratus anterior
-
pectoralis minor
Frage 54
Frage
The _____ will move the shoulders on a forward plane.
Antworten
-
pectoralis major
-
pectoralis minor
-
deltoid
-
serratus anterior
Frage 55
Frage
An antagonist of the teres major is the _____.
Antworten
-
pectoralis major
-
supraspinatus
-
infraspinatus
-
subscapularis
Frage 56
Frage
The _____ is a common intramuscular injection site, which flexes the shoulder or extends the arm.
Antworten
-
pectoralis major
-
deltoid
-
trapezius
-
coracobrachialis
Frage 57
Frage
The _____ is a common intramuscular injection site, which flexes the shoulder or extends the arm.
Antworten
-
pectoralis major
-
deltoid
-
trapezius
-
coracobrachialis
Frage 58
Frage
Which triangular thoracic muscle causes the arms to move towards the midline?
Antworten
-
subscapularis
-
teres minor
-
pectoralis major
-
latissimus dorsi
Frage 59
Frage
A synergist with the biceps brachii is the _____.
Antworten
-
triceps brachii
-
brachialis
-
deltoid
-
supinator
Frage 60
Frage
The pronator teres inserts on the _____.
Antworten
-
radius
-
ulna
-
humerus
-
scapula
Frage 61
Frage
The psoas major is the antagonist to the _____.
Antworten
-
psoas minor
-
gluteus maximus
-
iliacus
-
pectineus
Frage 62
Frage
The _____ muscle attaches to a long band of tendon which runs down the lateral aspect of the leg.
Antworten
-
iliacus
-
tensor fasciae latae
-
adductor longus
-
gracilis
Frage 63
Frage
The _____ muscle causes one to cross the leg by adducting the thigh and flexing the lower leg.
Antworten
-
iliopsoas
-
sartorius
-
gracilis
-
adductor magnus
Frage 64
Frage
Which muscle runs from the anterior superior iliac spine to the medial tibial surface near the patella?
Antworten
-
vastus medialis
-
vastus lateralis
-
semitendinosus
-
sartorius
Frage 65
Frage
The following cause dorsiflexion of the foot except which one?
Antworten
-
extensor digitorum longus
-
soleus
-
tibialis anterior
-
peroneus tertius
Frage 66
Frage
Which of the following is attached to the calcaneus?
Antworten
-
gastrocnemius
-
tibialis posterior
-
peroneus longus
-
peroneus tertius
Frage 67
Frage
The _____ is inserted on the base of the first metatarsal.
Antworten
-
soleus
-
tibialis anterior
-
tibialis posterior
-
extensor digitorum longus
Frage 68
Frage
Spontaneous contraction of random groups of muscles is called _____.
Antworten
-
syncytium
-
peristalsis
-
fibrillation
-
contracture
Frage 69
Frage
A disease which results in muscle weakness because of abnormal neuromuscular junction activity is _____.
Antworten
-
poliomyelitis
-
myasthenia gravis
-
multiple sclerosis
-
muscular dystrophy
Frage 70
Frage
Which of the following refers to a prolonged muscular spasm?
Antworten
-
myotonia
-
paresis
-
myalgia
-
contracture
Frage 71
Frage
The layer of connective tissue that separates the muscle tissue into small sections is called the ______________.
Antworten
-
aponeuroses
-
epimysium
-
perimysium
-
endomysium
Frage 72
Frage
The segment of a myofibril that is called a sarcomere runs from _______________.
Antworten
-
one Z line to the next Z line
-
one H zone to the next H zone
-
one A band to the next A band
-
one end of a skeletal muscle to the opposite end
Frage 73
Frage
The ______________ are an invagination of the muscle cell's sarcolemma.
Antworten
-
sarcoplasmic reticula
-
transverse (T) tubules
-
cisternae
-
microtubules
Frage 74
Frage
Into what does the neuron release its neurotransmitter at the neuromuscular junction?
Antworten
-
motor end plate
-
cytoplasm of the muscle cell
-
cisternae
-
synaptic cleft
Frage 75
Frage
A motor unit is made up of _______________.
Antworten
-
all the muscle fibers within a given muscle
-
a motor neuron and the muscle fibers it innervates
-
all the neurons going into an individual section of the body
-
a fascicle and a nerve
Frage 76
Frage
The crossbridges involved in muscle contraction are located on the ________________.
Antworten
-
myosin myofilaments
-
actin myofilaments
-
tropomyosin
-
dystrophin
Frage 77
Frage
Which of these statements is correct regarding skeletal muscle contraction?
Antworten
-
All motor units act together.
-
Muscle contraction continues for long periods after nervous stimulation ceases.
-
The crossbridges bind to the actin and shorten the sarcomeres.
-
Dystrophin is not needed to strengthen the contracting muscle cell.
Frage 78
Frage
The type of muscle found in the irises of the eyes and in the blood vessels is called _______________.
Antworten
-
visceral smooth muscle
-
multiunit smooth muscle
-
cardiac muscle
-
skeletal muscle
Frage 79
Frage
Why can cardiac muscle fibers contract for longer periods than skeletal muscle fibers?
Antworten
-
Cardiac muscle is self-excitatory.
-
Extracellular calcium partially controls the strength (and length) of contraction.
-
Cisternae of T-tubules is more developed in cardiac muscle.
-
Cardiac muscle is uninucleate rather than multinucleate.
Frage 80
Frage
Which muscle enables you to pucker your lips for a kiss?
Antworten
-
epicranius
-
buccinator
-
orbicularis oris
-
orbicularis oculi
Frage 81
Frage
The muscle that enables you to elevate and adduct your scapula is the ____________.
Antworten
-
serratus anterior
-
sternocleidomastoid
-
splenius capitis
-
rhomboideus major
Frage 82
Frage
Which muscle is the strongest flexor of the elbow?
Antworten
-
brachialis
-
biceps brachii
-
brachioradialis
-
deltoid
Frage 83
Frage
The biceps femoris is one hamstring muscle located on the back of the thigh. Which muscle is another hamstring?
Antworten
-
adductor magnus
-
semitendinosus
-
gluteus maximus
-
quadriceps femoris
Frage 84
Frage
Muscles that are NOT used, may degenerate or undergo a process of _____.
Antworten
-
atrophy
-
hypertrophy
-
fatigue
-
tetany
Frage 85
Frage
Muscles that act to cause similar movements are called _____.
Antworten
-
antagonists
-
origins
-
insertions
-
synergists
Frage 86
Frage
The triangle shaped muscle which antagonizes the sternocleidomastoid is the _____.
Antworten
-
deltoid
-
pectoralis major
-
external oblique
-
trapezius
Frage 87
Frage
The antagonist to the triceps brachii is the _____.
Antworten
-
deltoid
-
pectoralis major
-
brachialis
-
serratus anterior
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