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Archived - Bio 160 Review > Muscular System > Flashcards

Muscular System Flashcards

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Biology 101 flashcards
1
Q

Tendon connects what to what

A. muscle to bone
B. muscle to muscle
C. bone to bone.

A

A. Connects muscle to bone (Achille tendon - Heel bone to calf muscle)

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2
Q

Ligament connect what to what

A. Holds muscle to bone together
B. Holds muscle to muscle together
C. Holds bone to bone together

A

C. Hold bone to bone together

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3
Q

Actin contains the connection site for “X” during muscular contraction:

A. Troponin
B. Tropomyosin
C. Thin Filaments
D. Myosin

A

D. Myosin

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4
Q

“X” attaches to “Y” to move tropomyosin out of the way, revealing Actin’s binding site:

A. Sodium, Actin
B. Calcium, Troponin
C. Potassium, Myosin
D. Sodium, Myosin Head

A

B. Calcium, Troponin

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5
Q

Thick filaments are composed of:

A. Troponin
B. Tropomyosin
C. Actin
D. Myosin

A

D. Myosin

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6
Q

Masseter

A

Jaw muscle, chewing

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7
Q

Frontalis

A

Forehead muscle, elevates eyebrow

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8
Q

What is the neurotransmitter responsible for stimulating skeletal muscle tissue to contract?

A. Gamma-aminobutyric acid (GABA)
B. Histamine
C. Norepinephrine
D. Acetylcholine

A

D. Acetylcholine

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9
Q

Why does skeletal muscle become fatigued?

A. Norepinephrine fatigue
B. Fuel shortage (ATP) and Lactic Acid build-up
C. Acetylcholine shortage
D. Histamine build up causing depression in neuromuscular conduction

A

B. Fuel shortage (ATP) and Lactic Acid build-up

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10
Q

The rest of the cards are references to muscles if you want to continue. If not skip to the next section.

A

The rest of the cards are references to muscles if you want to continue. If not skip to the next section.

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11
Q

Sternocleidomastoid

A

base of ear to clavicle, rotate and flex the head

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12
Q

Zygomaticus major

A

from cheekbone to corner of mouth, to raise corner of mouth.

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13
Q

Orbicularis oris

A

circular muscle around the mouth, close the mouth

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14
Q

Orbicularis oculi

A

Circular muscle around the eye, close eye

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15
Q

Rectus abdominis

A

“ABS”, flex and compress torso

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16
Q

Rectus Sheath

A

Thin covering of rectus abdominis

17
Q

External oblique

A

Muscle on lateral sides of torso, flex and rotate vertebral column, compress abdomen

18
Q

Serratus anterior

A

On the 1st-8th ribs, protract the scapula

19
Q

Pectoralis major

A

Chest muscles, flex, extend and adduct the arm

20
Q

Trapezius

A

Back/shoulder muscle alond spine, retract, elevate and depress the scapulae.

21
Q

Latissimus dorsi

A

Back of ribs to lower back, extend the arm, adduct the arm

22
Q

Deltoid

A

Tops of shoulders, flex, extend and abduct the arm

23
Q

Biceps brachii

A

Tops of arm, flex arm and forearm

24
Q

Triceps Brachii

A

Back of arm, extend arm and forearm

25
Q

Intercostals

A

Muscles in between ribs

26
Q

Sartorious

A

wraps around the front of leg, flex thigh and leg

27
Q

rectus femoris

A

top of femur, flex thigh and extend leg

28
Q

Vastus lateralis

A

lateral side of femur, extend leg

29
Q

Vastus intermedius

A

deep top of femur, extend leg

30
Q

Gracilis

A

Medial along femur Adduct the thigh

Flex the leg

31
Q

Gluteus maximus

A

butt muscle Extend thigh
Abduct thigh
Lateral rotation of thigh

32
Q

Adductor magnus

A

groin muscle Adduct thigh

Extend thigh

33
Q

Semitendinosus

A

runs medially on the back of the femur
Extend thigh
Flex leg

34
Q

Biceps femoris

A

starts in the back of the leg and wraps towards the front Extend thigh
Flex leg

35
Q

Semimembranosus

A

behind the knee
Extend thigh
Flex leg

36
Q

Gastrocnemius

A

lateral muscle behind tibula Plantarflexion

37
Q

Soleus

A

laterally behind shin Plantarflexion

Archived - Bio 160 Review (10 decks)

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