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Muscular System Flashcards | StudBud
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Muscular System
Muscular System
30 terms
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StudBud Administration
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Referencing Chapter 9 in the Human Body in Health and Illness will help with this review.
Flashcards
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Questions
30
Answers
1
Gastrocnemius and the Soleus are known as the swimmer's muscles?
True
False
2
Which increases the force of contraction of a whole muscle?
contracture
twitch
ossification
recruitment
3
Which "muscle word" refers to the chest?
pectoralis
vastus
latissimus
rectus
4
Lies along the posterior surface of the arm; extends the forearm; used to bear wt. w/crutch walking
deltoid
bicep brachii
bicep femoris
tricep brachii
5
This muscle covers the shoulder like a shoulder pad?
sternocleidomastoid
trapezius
bicep brachii
deltoid
6
This forms cross-bridges w/actin
T tubules
sarcolemma
myosin
sarcoplasmic reticulum
7
The cord of connective tissue connecting muscle to bone is a tendon?
False
True
8
Large muscle extends the thigh at t the hip?
hamstrings
latissimus dorsi
rotator cuff
sartorius
9
This is responsible for muscle relaxation.
Runs out of ATP
ACh in the NMJ is depleted
Ca is pumped into sarcoplasmic reticulum
Ca floods sarcomere
10
The brachialis & brachioradialis extend the hand?
True
False
11
The smiling muscle is?
buccinator
frontalis
zygomaticus
orbicularis oris
12
This is striated and involuntary
aponeurosis
skelatal
cardiac
smooth
13
The orbiculares oris muscle?
is the smiling muscle
flexes the forehead
surrounds the mouth
closes the eye
14
The levator palpebrae superiosis?
allows one to whistle
wiggles the nose
raises the eyelids
purses the lips
15
Group of muscles that facilitate circumduction at the shoulder?
muscles of mastication
rotator cuff muscles
hamstrings
quadricep femoris group
16
Which muscles are located on the posterior body?
Adductor longus, soleus
pectoralis major, intercostals
tres major, tres minor
rectus abdominis, rectus femoris
17
Force of contraction is most r/t number of cross-bridges formed between actin & myosin?
False
True
18
Actin is?
contractile protein AKA thin filament
called the thick filament
stored w/sarcoplastic reticulum
located within the NMJ
19
This is located in the lower extremity?
latissimus dorsi
pectoralis major
serrates anterior
peroneus longus
20
This flat muscle covers the forehead & raises the eyebrows.
buccinator
frontalis
masseter
zygomazticus
21
Achilles tendon attaches to the soleus, the calcaneus & the ?
sartorius
vastus lateralis
gastrocnemius
quadriceps femoris
22
Contraction of this muscle "makes like a scarecrow'?
trapezius
latissimus dorsi
frontalis
deltoid
23
Which is
NOT
a facial muscle?
orbicularis oculi
zygomaticus
sternocleidomastoid
frontalis
24
Bicep femoris, vastus lateralis, vastus medialis & vastus intermedius are?
flexes the foot
what inserts on the calcaneus
antagonistic to quadriceps femoris
muscles of the quadriceps femoris
25
Term that describes muscle in a contracted state?
hypertrophy
atrophy
twitch
tetany
26
Type of muscle that requires stimulation by somatic motor neuron
visceral
smooth
cardiac
skeletal
27
ACh is released from the pre-junctional membrane in response to?
binding of myosin head to actin
nerve impulse
release of Ca from sarcoplasmic reticulum
inactivation of ACh
28
Separates thoracic & abdominal cavities, AKA chief muscle for breathing?
serrates anterior
sternocleidomastoid
intercostal muscles
diaphragm
29
Series of contractile units make up each myofibril (extend Z line to Z line)
sarcoplasmic reticulum
fascicles
sarcomeres
synapses
30
Site of Ca storage in relaxed skeletal muscle & envelops sarcomere-containg myofibrils
T tubules
sarcoplasmic reticulum
fascicles
NMJ
