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Bio 252 > Exam 1 > Flashcards

Exam 1 Flashcards

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Biology 101 flashcards
1
Q

The ___________ flexes forearm at the elbow joint

A

Biceps Brachii Muscle

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2
Q

The ___________ is a group of muscles in the shoulder that allow a wide range of movement

A

rotator cuff

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3
Q

rotator cuff

A

is a group of muscles in the shoulder that allow a wide range of movement

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4
Q

The rotator cuff includes the following muscles:

A

S.I.T.S

Subscapularis
Infraspinatus
Teres minor
Supraspinatus

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5
Q

The prime mover of respiration

A

Diaphragm Muscle

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6
Q

The ____________is a complex network of specialized smooth endoplasmic reticulum that is important in transmitting the electrical impulse as well as in the storage of calcium ions

A

sarcoplasmic reticulum

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7
Q

sarcoplasmic reticulum is composed of

A

sarcoplasmic reticulum

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8
Q

The basic fundamental unit of the muscular system

A

Sarcomere

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9
Q

What are characteristics of smooth and cardiac muscles

A

Striations and involuntary control

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10
Q

Elasticity

A

The ability of muscle to return to its original length and shape after triggering a movement

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11
Q

What is the outer most layer of connective tissue surrounding the skeletal muscle

A

Epimysium

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12
Q

The area from one Cetus to the next CT scan is referred to as the

A

Sarcomere

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13
Q

________ is the neurotransmitter found at the neuromuscular junction

A

Acetylcholine

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14
Q

_____ means diamond shaped

A

Deltoid muscle

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15
Q

The muscle tendon that is attached to the stationary bone is commonly referred to as the ______

A

Muscle origin

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16
Q

Houses the brain and spinal cord

A

The central

17
Q

Houses the brain and spinal cord

A

The central nervous system

18
Q

__________ Opens and closes in response to physical distortion of the membrane surfaces such as vibration and pressure

A

Mechanically gated channel

19
Q

What is used as an electrical signals over only short distances in the nervous system

A

Graded potentials

20
Q

What muscles make up the hamstrings group

A

Bicep Femoris
Restus Femoris
Vastus lateralis
Semitendinosus
Semimembranosus

21
Q

What are the 3 types of muscles

A

Skeletal
smooth
cardiac

22
Q

Creatine phosphate

A

Is a source of energy for muscle contraction the provides about 15 seconds of energy

23
Q

Concentric isotonic contraction is _____

A

Is shortening a muscle as it maintained extension

24
Q

The hamstrings extend to wear

A

Hip and flex knee 

25
Q

Which muscles are used to flex the knee

A

Semitendinosus
Semimembranosus
Bicep Femoris

Bio 252 (6 decks)

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