Muscle Tissue Key Objectives Quiz

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Which type of muscle appears striated and has long, cylindrical, multinucleated fibers?

Cardiac muscle

Smooth muscle

Skeletal muscle (correct)

None of the above

What is the microscopic appearance of smooth muscle?

Striated

Spindle-shaped (correct)

Branched

None of the above

Which muscle type has cells connected by intercalated discs?

Skeletal muscle

Smooth muscle

Cardiac muscle (correct)

None of the above

What are the key characteristics of skeletal muscle?

Voluntary control, striated appearance, multinucleated cells Signup and view all the answers

What are the components of sarcomeres in skeletal and cardiac muscle?

Z-lines, A-bands, I-bands, H-zone, and M-lines Signup and view all the answers

What initiates the contraction in skeletal muscle?

A neural signal, calcium release from the sarcoplasmic reticulum, binding of calcium to troponin, cross-bridge formation between actin and myosin, and sliding of filaments Signup and view all the answers

What initiates the contraction in smooth muscle?

Calcium entry through channels, calcium binding to calmodulin, activation of myosin light chain kinase, and phosphorylation of myosin Signup and view all the answers

What disrupts the neuromuscular junction?

Neuromuscular diseases, nerve damage, or certain toxins like botulinum toxin Signup and view all the answers

What is the microscopic appearance of cardiac muscle?

Branched Signup and view all the answers

What are the key characteristics of smooth muscle?

Involuntary control, non-striated appearance, spindle-shaped cells Signup and view all the answers

Which muscle type has shorter and branched cells with single or binucleated cells?

Cardiac Muscle Signup and view all the answers

What is the microscopic appearance of smooth muscle?

Non-striated Signup and view all the answers

Which muscle type has intercalated discs?

Cardiac Muscle Signup and view all the answers

What initiates the contraction in cardiac muscle?

Pacemaker signal Signup and view all the answers

Which muscle type has spindle-shaped cells?

Smooth Muscle Signup and view all the answers

What are the components of sarcomeres in smooth muscle?

Dense bodies Signup and view all the answers

What initiates the contraction in skeletal muscle?

A neural signal Signup and view all the answers

Which muscle type appears striated and has long, cylindrical, multinucleated fibers?

Skeletal Muscle Signup and view all the answers

What is the microscopic appearance of cardiac muscle?

Striated Signup and view all the answers

What disrupts the neuromuscular junction?

All of the above Signup and view all the answers

Which muscle type has cells connected by intercalated discs?

Cardiac Muscle Signup and view all the answers

What is the microscopic appearance of smooth muscle?

Non-striated Signup and view all the answers

What disrupts the neuromuscular junction?

All of the above Signup and view all the answers

What are the key characteristics of smooth muscle?

Involuntary control, non-striated appearance, spindle-shaped cells Signup and view all the answers

Which muscle type appears striated and has long, cylindrical, multinucleated fibers?

Skeletal Muscle Signup and view all the answers

What are the components of sarcomeres in smooth muscle?

Dense bodies Signup and view all the answers

What initiates the contraction in skeletal muscle?

A neural signal Signup and view all the answers

Which muscle type has shorter and branched cells with single or binucleated cells?

Cardiac Muscle Signup and view all the answers

What is the microscopic appearance of smooth muscle?

Non-striated Signup and view all the answers

What are the components of sarcomeres in skeletal and cardiac muscle?

Z-lines, A-bands, I-bands, H-zone, and M-lines Signup and view all the answers

Muscle Tissue Key Objectives Quiz

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Questions and Answers

Which type of muscle appears striated and has long, cylindrical, multinucleated fibers?

What is the microscopic appearance of smooth muscle?

Which muscle type has cells connected by intercalated discs?

What are the key characteristics of skeletal muscle?

What are the components of sarcomeres in skeletal and cardiac muscle?

What initiates the contraction in skeletal muscle?

What initiates the contraction in smooth muscle?

What disrupts the neuromuscular junction?

What is the microscopic appearance of cardiac muscle?

What are the key characteristics of smooth muscle?

Which muscle type has shorter and branched cells with single or binucleated cells?

What is the microscopic appearance of smooth muscle?

Which muscle type has intercalated discs?

What initiates the contraction in cardiac muscle?

Which muscle type has spindle-shaped cells?

What are the components of sarcomeres in smooth muscle?

What initiates the contraction in skeletal muscle?

Which muscle type appears striated and has long, cylindrical, multinucleated fibers?

What is the microscopic appearance of cardiac muscle?

What disrupts the neuromuscular junction?

Which muscle type has cells connected by intercalated discs?

What is the microscopic appearance of smooth muscle?

What disrupts the neuromuscular junction?

What are the key characteristics of smooth muscle?

Which muscle type appears striated and has long, cylindrical, multinucleated fibers?

What are the components of sarcomeres in smooth muscle?

What initiates the contraction in skeletal muscle?

Which muscle type has shorter and branched cells with single or binucleated cells?

What is the microscopic appearance of smooth muscle?

What are the components of sarcomeres in skeletal and cardiac muscle?

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