Chapter 7 Flashcards

1
Q

Which type of muscle is under voluntary control

A

Skeletal

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2
Q

Which type of muscle is found in the heart

A

Cardiac

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3
Q

Which type of muscle is found in the blood vessels and airways ?

A

Smooth

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4
Q

Which muscle is attached to the bones

A

Skeletal

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5
Q

Which type of muscle does not have striations

A

Smooth

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6
Q

When a muscle increases in diameters is called

A

Hypertrophy

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7
Q

When a muscle begins to waste away because of disuse

A

Atrophy

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8
Q

Muscle - is partial contraction and resistance to stretching shown even when a muscle is at rest

A

Tone

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9
Q

Fibrous tissues that attach muscle to bones

A

Tendons

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10
Q

Attach bones to each other

A

Ligaments

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11
Q

Light meat vs dark meat chicken

A

Dark meat has a higher fat content and higher number of blood vessels which makes it dark

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12
Q

The two threadlike proteins (myofilaments) that slide to generate a muscle contraption are called

A

Actin and myosin

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13
Q

The thick myofilaments in a muscle cell are made of

A

Myosin

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14
Q

The thin myofilaments in a muscle cell are made up of

A

Actin

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15
Q

This substance stored in sarcoplasmic reticulum allows cross bridges to form between 2 types of myofilaments in muscle cells

A

Calcium

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16
Q

Energy molecule that functions in a muscle contraction to help promote the sliding process performed by myofilaments

A

ATP

17
Q

Neurotransmitter released by nervous system opens sodium ion channels which allows sodium ions to excite muscle fibers

A

Acetylcholine

18
Q

The point of - is the end of the muscle that is attached to a stationary bone

A

Origin

19
Q
  • is a test where a muscle group is stimulated with an electrical impulse that causes contraction
A

Electromyogram

20
Q

Antagonist to the quadriceps , action

A

Hamstrings, when the quadriceps are contracted the hamstrings are stretched

21
Q

The point of - is the end of the muscle that is attached to a moving Bone

A

Insertion