Chapter 10: The Muscular System

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Which of the following actions is caused by contraction of a skeletal muscle?

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The capacity of a muscle cell to shorten forcefully is known as

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Muscles exhibit the property of excitability. This means that the muscle

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Identify the statement concerning general functional characteristics of muscle that is true.

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Identify the statement concerning the skeletal muscle that is true.

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Which type of muscle tissue would cause flexion and extension of the arm?

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Hypertrophy of skeletal muscles from weight lifting is caused by an increase in the

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Skeletal muscle develops from multinucleated cells called

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Endomysium is a delicate network of loose connective tissue that

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Fascia

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Which of the following connective tissue layers is outside all the others?

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List the following structures in order from smallest to largest. 1. muscle fiber 2. myofilament 3. myofibril 4. muscle fasciculus

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Muscle myofibrils

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The region of the sarcomere that contains both actin and myosin myofilaments is called the

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A sarcomere extends from

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Which of the following would contribute to muscular fatigue in the muscle fiber?

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Lack of acetylcholinesterase in the synaptic cleft would result in

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A bi-product of anaerobic respiration in muscle cells is

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Which of the following is composed of myosin molecules?

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Muscle tone

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A myofibril is the

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The sites where a chemical substance is transmitted from the presynaptic terminal of an axon to the postsynaptic membrane of a muscle fiber are called

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Acetylcholine is released from the synaptic terminal by the process of

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You are hired to work in a lab to measure the rate of human muscle contraction. Which of the following might decrease in quantity in muscle cells undergoing contractions?

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Which of the following is true about skeletal muscle?

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Which of the following statements regarding the sliding filament model is false?

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Rigor mortis occurs after death because

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Which of the following events occurs on the postsynaptic membrane?

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The model that describes the contraction of the muscle is called the

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The sarcolemma is the

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A sarcomere is the

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If sodium ions cannot enter a muscle fiber in response to a stimulus,

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The active sites to which cross-bridges attach are found on the

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During short periods of intense exercise, energy in muscles is primarily derived from

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A drug that interferes with the active transport of calcium ions from the sarcoplasm back into the sarcoplasmic reticulum would result in

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A stimulus either causes an action potential or it doesn't. This is called

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T tubules are invaginations of the

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The sarcoplasmic reticulum

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Whole muscles can respond in a graded fashion to stimuli by varying

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In order for muscle relaxation to occur,

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Which of the following will respond to a threshold stimulus with an all-or-none contraction?

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Which of the following is true?

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Channels that open or close in response to changes in the electrical charge or voltage across the plasma membrane are called:

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T tubules

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A myofilament is the

A quiz over the muscle tissue and it's functions. I have started off with the basic reading quiz in class along with questions from the quizbowl on Monday's review class session. I might add more to cover extra topics that were not gone over well during lecture.

Chapter 10: The Muscular System

Chapter 10: The Muscular System

Which of the following actions is caused by contraction of a skeletal muscle?

The capacity of a muscle cell to shorten forcefully is known as

Muscles exhibit the property of excitability. This means that the muscle

Identify the statement concerning general functional characteristics of muscle that is true.

Identify the statement concerning the skeletal muscle that is true.

Which type of muscle tissue would cause flexion and extension of the arm?

Hypertrophy of skeletal muscles from weight lifting is caused by an increase in the

Skeletal muscle develops from multinucleated cells called

Endomysium is a delicate network of loose connective tissue that

Fascia

Which of the following connective tissue layers is outside all the others?

List the following structures in order from smallest to largest. 1. muscle fiber 2. myofilament 3. myofibril 4. muscle fasciculus

Muscle myofibrils

The region of the sarcomere that contains both actin and myosin myofilaments is called the

A sarcomere extends from

Which of the following would contribute to muscular fatigue in the muscle fiber?

Lack of acetylcholinesterase in the synaptic cleft would result in

A bi-product of anaerobic respiration in muscle cells is

Which of the following is composed of myosin molecules?