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A & P CH. 2 TEST > A&P Ch. 6 Reveiw > Flashcards

A&P Ch. 6 Reveiw Flashcards

1
Q

Which muscle tissue is voluntary?

A

Skeletal muscle

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2
Q

Which muscle tissues are involuntary?

A

Smooth and cardiac

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3
Q

Which muscle tissues has multinucleate cells?

A

Skeletal

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4
Q

Which muscle tissue is uninucleate with no striations?

A

Smooth

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5
Q

Which muscle tissues have striations?

A

Cardiac and skeletal

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6
Q

Which muscle tissues has branching chains and intercalated discs?

A

Cardiac

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7
Q

Which muscle tissue moves rapidly

A

Skeletal

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8
Q

Which muscle tissues moves very slow with rhythmic contractions ?

A

Smooth

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9
Q

Which muscle tissue is found in the heart?

A

Cardiac

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10
Q

Which muscle regulates the nervous system?

A

Smooth

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11
Q

Which muscle tissue maintains posture?

A

Skeletal

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12
Q

What is the Endomysium?

A

Thin connective tissue invested each muscle cell.

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13
Q

Which is the Sarcomere?

A

Contractile unit of muscle

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14
Q

List the functions of muscle?

A

Maintains posture, producing movement, stabilizes joints, and generating heat.

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15
Q

What is the sarcolemma of a skeletal muscle?

A

Plasma membrane

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16
Q

Thick filaments are composed of .

A

Myosin

17
Q

Thin filaments are composed of .

A

Actin

18
Q

The force of a contraction is caused by

A

The sliding of the filaments.

19
Q

What is the neurotransmitter that stimulates skeletal muscle

A

ACh

20
Q

What is a synaptic cleft?

A

Nerve endings and the muscle cell never touch, the ‘’gap’’

21
Q

What releases the neurotransmitters?

A

Axon terminal

22
Q

What do myosin heads heads attach to during a contraction?

A

Action filaments

23
Q

What part of the muscle cell shortens during a contraction?

A

Sarcomeres

24
Q

Muscle twitch

A

Single, Brief jerky contraction

25
Q

Isometric contraction

A

Muscle maintains the same length as tension in the muscle increases.

26
Q

The appearance of striations in a muscle are created by

A

A& I bands

27
Q

Which pathway for producing ATP does not use oxygen?

A

Anaerobic glycolysis

28
Q

When muscle lack oxygen Starts to accumulate.

A

Lactic acid

29
Q

What type of contraction occurs which muscle tone?

A

Partial

30
Q

What results when the muscle is stimulated so rapidly that no evidence of relaxation is seen?

A

Tentanus

31
Q

What happens to the smaller I band, and A band when a muscle fiber contracts?

A

I- becomes smaller; H- disappears; and A move closer together @ the same time.

32
Q

List the following structures from smaller to largest: fascicle, myofilaments, muscle cell, myofibril, sacomere

A

Myofilament, sarcomere, myofibril, muscle cell, fascicle

A & P CH. 2 TEST (2 decks)

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