3927140
Descrição
Quiz por Ashley Garrett, atualizado more than 1 year ago
|
Criado por Ashley Garrett
mais de 10 anos atrás
|
|
Questão 1
Questão
A large broad sheet of connective tissue, such as on the abdomen, is called a/an _____ .
Responda
-
aponeurosis
-
epimysium
-
perimysium
-
endomysium
Questão 2
Questão
The membrane that is the closest to the individual muscle fiber is the _____.
Responda
-
aponeurosis
-
epimysium
-
perimysium
-
endomysium
Questão 3
Questão
A group of skeletal muscle fibers is called a/an _____.
Responda
-
perimysium
-
fascicle
-
epimysium
-
tendon
Questão 4
Questão
The structure that connects muscles to bones is the _____.
Responda
-
aponeurosis
-
fascicle
-
tendon
-
ligament
Questão 5
Questão
The main force of contraction occurs when actin forms a chemical complex with _____ .
Responda
-
troponin
-
myosin
-
tropomyosin
-
acetylcholine
Questão 6
Questão
When a muscle is at rest, which of the following is not associated chemically with the others?
Responda
-
actin
-
myosin
-
troponin
-
tropomyosin
Questão 7
Questão
During the contraction of a sarcomere, calcium ions bind with the protein _____.
Responda
-
actin
-
myosin
-
troponin
-
tropomyosin
Questão 8
Questão
The main neurotransmitter involved in skeletal muscle contraction is _____.
Responda
-
adrenalin
-
noradrenalin
-
acetylcholine
-
dopamine
Questão 9
Questão
Which molecule directly supplies energy to myosin to allow the filaments to contract?
Responda
-
adenosine diphosphate
-
ATP
-
creatone phosphate
-
creatinine
Questão 10
Questão
The presence of _____ allow cardiac muscle fibers to transmit impulses faster among themselves.
Responda
-
cell membranes
-
nerve fibers
-
intercalated disks
-
peristalsis
Questão 11
Questão
The muscle is called the _____ when it is causing the movement that is being described.
Responda
-
antagonist
-
synergist
-
prime mover
-
flexor
Questão 12
Questão
Muscles that act together to cause the same movements are called _____.
Responda
-
synergists
-
antagonists
-
prime movers
-
agonists
Questão 13
Questão
The sternocleidomastoid muscle was named because of its _____.
Responda
-
shape
-
size
-
location
-
points of attachment
Questão 14
Questão
The _____ muscle forms a broad flat sheet on top of the head.
Responda
-
temporalis
-
buccinator
-
epicranius
-
frontalis
Questão 15
Questão
Which muscle lines most of the inner cheek wall?
Responda
-
orbicularis oris
-
buccinator
-
orbicularis oculi
-
masseter
Questão 16
Questão
The _____ is a common intramuscular injection site, which flexes the shoulder or extends the arm.
Responda
-
pectorals major
-
deltoid
-
trapezius
-
coracobrachialis
Questão 17
Questão
Which triangular thoracic muscle causes the arms to move towards the midline?
Responda
-
subscapularis
-
teres minor
-
pectoralis major
-
latissimus dorsi
Questão 18
Questão
A synergist with the biceps brachii is the _____.
Responda
-
triceps brachii
-
brachialis
-
deltoid
-
supinator
Questão 19
Questão
The pronator teres inserts on the _____.
Responda
-
humerus
-
scapula
-
ulna
-
radius
Questão 20
Questão
The fibers of a muscle that are connected to the overlying skin fibers are the _____ .
Responda
-
subcutaneous fascia
-
deep fascia
-
subserous fascia
-
tendon
Questão 21
Questão
The muscle cells within a group such as the biceps brachii are individually called _____ .
Responda
-
sarcolemmas
-
fibers
-
myocyte
-
myofibrils
Questão 22
Questão
The I bands in a sarcomere are made of _____ .
Responda
-
myosin
-
actin and myosin
-
tropomyosin
-
actin
Questão 23
Questão
The _____ zone contains only myosin and is in the center of a sarcomere.
Responda
-
A
-
I
-
M
-
H
Questão 24
Questão
The cisternae are enlarged portions of the _____ .
Responda
-
sarcoplasmic reticulum
-
endoplasmic reticulum
-
transverse tubules
-
T-tubules
Questão 25
Questão
The gap between the muscle and a nerve is the _____.
Responda
-
synapse
-
motor end plate
-
myoneural junction
-
motor neuron
Questão 26
Questão
The chemical that crosses a neuromuscular gap is _____.
Responda
-
sodium
-
a protein
-
a neurotransmitter
-
calcium
Questão 27
Questão
The combination of a neuron and the muscle fiber it associates with is called a/an _____ .
Responda
-
fascicle
-
motor end plate
-
motor unit
-
myoneural junction
Questão 28
Questão
The most abundant of the muscle proteins is _____ .
Responda
-
actin
-
troponin
-
myosin
-
tropomyosin
Questão 29
Questão
What is the most abundant storage form of energy within a muscle fiber?
Responda
-
glycogen
-
ADP
-
ATP
-
creatine phosphate
Questão 30
Questão
What effect does creatine phosphokinase have on muscle activity?
Responda
-
it causes a fiber to relax
-
it stimulates ATP synthesis
-
catalyzes the formation of creatine phosphate
-
causes the breakdown of creatine into creatinine
Questão 31
Questão
How is excess sugar stored within muscle fibers?
Responda
-
in ATP
-
glycogen
-
glucose
-
creatinine
Questão 32
Questão
Which main factor allows muscle to sustain contraction even during times when the blood supply is low?
Responda
-
the presence of hemoglobin
-
glycogen storage
-
myoglobin
-
citric acid cycle
Questão 33
Questão
The reddish brown color of muscle is due to the presence of _____ molecules.
Responda
-
creatine phosphate
-
hemoglobin
-
iron
-
myoglobin
Questão 34
Questão
Which molecule is produced during exercise, resulting in the oxygen debt?
Responda
-
glycogen
-
lactate
-
pyruvate
-
ATP
Questão 35
Questão
About _____% of ATP energy becomes liberated as heat from muscle metabolism.
Responda
-
25
-
50
-
75
-
10
Questão 36
Questão
A single contraction of a muscle is called a ______.
Responda
-
threshold
-
recruitment
-
twitch
-
myogram
Questão 37
Questão
The minimum stimulus needed to cause a contraction is called the _____.
Responda
-
all-or-none law
-
threshold
-
sub-maximal stimulus
-
recruitment level
Questão 38
Questão
The period of time in which a muscle will not respond to a stimulus is called the _____.
Responda
-
latent period
-
refractory period
-
relaxation period
-
threshold
Questão 39
Questão
The complete contraction of a muscle, without the ability to relax, is called _____.
Responda
-
a sustained contraction
-
fatigue
-
tetanic contraction
-
treppe
Questão 40
Questão
The constant contraction of a percentage of fibers within a muscle is referred to as _____.
Responda
-
tetany
-
tonus
-
sustained contraction
-
summation
Questão 41
Questão
Contractions called _____ occur whenever the forces applied to a muscle are increased, but the muscle does not appear to be moving.
Responda
-
isotonic
-
isometric
-
tetanic
-
summation contractions
Questão 42
Questão
Which of the following muscles always requires nerve impulses in order to contract?
Responda
-
multi-unit smooth
-
skeletal
-
visceral smooth
-
cardiac
Questão 43
Questão
Which type of muscle is found in the wall of blood vessels?
Responda
-
skeletal
-
cardiac
-
smooth visceral
-
multi-unit smooth
Questão 44
Questão
Since smooth muscle fibers have rhythmicity and can stimulate each other, they contract in a pattern called _____.
Responda
-
a functional syncytium
-
peristalsis
-
tetany
-
tonus
Questão 45
Questão
The degeneration of muscle fibers caused by a lack of proper stimulation and usage is called _____.
Responda
-
hypertrophy
-
atrophy
-
dystrophy
-
peristalsis
Questão 46
Questão
In smooth muscle, calcium ions combine with _____ to allow the actin and myosin cross-bridges to form.
Responda
-
calmodulin
-
troponin
-
myosin
-
tropomyosin
Questão 47
Questão
Which muscle causes smiling and is attached to the corners of the lips?
Responda
-
zygomatic
-
buccinator
-
temporalis
-
orbicularis oris
Questão 48
Questão
The _____ is the broad flat muscle on the neck, which causes frowning.
Responda
-
sternocleidomastoid
-
platysma
-
buccinator
-
pterygoid
Questão 49
Questão
A condition called temporomandibular syndrome can be caused by contraction of the _____.
Responda
-
buccinator
-
masseter
-
platysma
-
frontalis
Questão 50
Questão
The antagonist of the sternocleidomastoid is the _____.
Responda
-
splenius capitis
-
digastric
-
trapezius
-
semispinalis capitis
Questão 51
Questão
The triangular shaped muscle on the back that rotates the shoulder is the _____
Responda
-
trapezius
-
rhomboid
-
deltoid
-
levator scapulae
Questão 52
Questão
The _____ muscle acts to elevate the shoulders.
Responda
-
rhomboideus
-
levator scapulae
-
pectoralis major
-
deltoid
Questão 53
Questão
Adduction of the scapulae in a posterior view is mainly accomplished by the _____.
Responda
-
trapezius
-
rhomboideus
-
serratus anterior
-
pectoralis minor
Questão 54
Questão
The _____ will move the shoulders on a forward plane.
Responda
-
pectoralis major
-
pectoralis minor
-
deltoid
-
serratus anterior
Questão 55
Questão
An antagonist of the teres major is the _____.
Responda
-
pectoralis major
-
supraspinatus
-
infraspinatus
-
subscapularis
Questão 56
Questão
The _____ is a common intramuscular injection site, which flexes the shoulder or extends the arm.
Responda
-
pectoralis major
-
deltoid
-
trapezius
-
coracobrachialis
Questão 57
Questão
The _____ is a common intramuscular injection site, which flexes the shoulder or extends the arm.
Responda
-
pectoralis major
-
deltoid
-
trapezius
-
coracobrachialis
Questão 58
Questão
Which triangular thoracic muscle causes the arms to move towards the midline?
Responda
-
subscapularis
-
teres minor
-
pectoralis major
-
latissimus dorsi
Questão 59
Questão
A synergist with the biceps brachii is the _____.
Responda
-
triceps brachii
-
brachialis
-
deltoid
-
supinator
Questão 60
Questão
The pronator teres inserts on the _____.
Responda
-
radius
-
ulna
-
humerus
-
scapula
Questão 61
Questão
The psoas major is the antagonist to the _____.
Responda
-
psoas minor
-
gluteus maximus
-
iliacus
-
pectineus
Questão 62
Questão
The _____ muscle attaches to a long band of tendon which runs down the lateral aspect of the leg.
Responda
-
iliacus
-
tensor fasciae latae
-
adductor longus
-
gracilis
Questão 63
Questão
The _____ muscle causes one to cross the leg by adducting the thigh and flexing the lower leg.
Responda
-
iliopsoas
-
sartorius
-
gracilis
-
adductor magnus
Questão 64
Questão
Which muscle runs from the anterior superior iliac spine to the medial tibial surface near the patella?
Responda
-
vastus medialis
-
vastus lateralis
-
semitendinosus
-
sartorius
Questão 65
Questão
The following cause dorsiflexion of the foot except which one?
Responda
-
extensor digitorum longus
-
soleus
-
tibialis anterior
-
peroneus tertius
Questão 66
Questão
Which of the following is attached to the calcaneus?
Responda
-
gastrocnemius
-
tibialis posterior
-
peroneus longus
-
peroneus tertius
Questão 67
Questão
The _____ is inserted on the base of the first metatarsal.
Responda
-
soleus
-
tibialis anterior
-
tibialis posterior
-
extensor digitorum longus
Questão 68
Questão
Spontaneous contraction of random groups of muscles is called _____.
Responda
-
syncytium
-
peristalsis
-
fibrillation
-
contracture
Questão 69
Questão
A disease which results in muscle weakness because of abnormal neuromuscular junction activity is _____.
Responda
-
poliomyelitis
-
myasthenia gravis
-
multiple sclerosis
-
muscular dystrophy
Questão 70
Questão
Which of the following refers to a prolonged muscular spasm?
Responda
-
myotonia
-
paresis
-
myalgia
-
contracture
Questão 71
Questão
The layer of connective tissue that separates the muscle tissue into small sections is called the ______________.
Responda
-
aponeuroses
-
epimysium
-
perimysium
-
endomysium
Questão 72
Questão
The segment of a myofibril that is called a sarcomere runs from _______________.
Responda
-
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
Questão 73
Questão
The ______________ are an invagination of the muscle cell's sarcolemma.
Responda
-
sarcoplasmic reticula
-
transverse (T) tubules
-
cisternae
-
microtubules
Questão 74
Questão
Into what does the neuron release its neurotransmitter at the neuromuscular junction?
Responda
-
motor end plate
-
cytoplasm of the muscle cell
-
cisternae
-
synaptic cleft
Questão 75
Questão
A motor unit is made up of _______________.
Responda
-
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
Questão 76
Questão
The crossbridges involved in muscle contraction are located on the ________________.
Responda
-
myosin myofilaments
-
actin myofilaments
-
tropomyosin
-
dystrophin
Questão 77
Questão
Which of these statements is correct regarding skeletal muscle contraction?
Responda
-
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.
Questão 78
Questão
The type of muscle found in the irises of the eyes and in the blood vessels is called _______________.
Responda
-
visceral smooth muscle
-
multiunit smooth muscle
-
cardiac muscle
-
skeletal muscle
Questão 79
Questão
Why can cardiac muscle fibers contract for longer periods than skeletal muscle fibers?
Responda
-
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.
Questão 80
Questão
Which muscle enables you to pucker your lips for a kiss?
Responda
-
epicranius
-
buccinator
-
orbicularis oris
-
orbicularis oculi
Questão 81
Questão
The muscle that enables you to elevate and adduct your scapula is the ____________.
Responda
-
serratus anterior
-
sternocleidomastoid
-
splenius capitis
-
rhomboideus major
Questão 82
Questão
Which muscle is the strongest flexor of the elbow?
Responda
-
brachialis
-
biceps brachii
-
brachioradialis
-
deltoid
Questão 83
Questão
The biceps femoris is one hamstring muscle located on the back of the thigh. Which muscle is another hamstring?
Responda
-
adductor magnus
-
semitendinosus
-
gluteus maximus
-
quadriceps femoris
Questão 84
Questão
Muscles that are NOT used, may degenerate or undergo a process of _____.
Responda
-
atrophy
-
hypertrophy
-
fatigue
-
tetany
Questão 85
Questão
Muscles that act to cause similar movements are called _____.
Responda
-
antagonists
-
origins
-
insertions
-
synergists
Questão 86
Questão
The triangle shaped muscle which antagonizes the sternocleidomastoid is the _____.
Responda
-
deltoid
-
pectoralis major
-
external oblique
-
trapezius
Questão 87
Questão
The antagonist to the triceps brachii is the _____.
Responda
-
deltoid
-
pectoralis major
-
brachialis
-
serratus anterior
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