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19 Questions

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Musculoskeletal System Overview

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Questions and Answers

What is the function of troponin T?

Binds to tropomyosin (correct)

Provides mechanical support

Acts as a shock absorber

Inhibits F-actin-myosin interaction

What is the main function of the skeleton?

Act as the metabolic reservoir of minerals

Facilitate nerve stimulation

Trap calcium for muscle contraction

Provide protection (correct)

What is the composition of osteoid?

Inorganic salts deposited in a matrix

Nonmineral matrix of collagen and glycosaminoglycan (correct)

Mineral matrix of collagen and glycosaminoglycan

Hardened bone material

What stimulates smooth muscle contraction?

Nervous stimulation Signup and view all the answers

In which type of muscle cells are actin and myosin filaments not organized?

Smooth muscle cells Signup and view all the answers

What is the main function of the skeleton?

Provide protection Signup and view all the answers

What is the composition of osteoid?

Nonmineral matrix of collagen and glycosaminoglycan Signup and view all the answers

Which type of bone cells are responsible for bone formation?

Osteogenic cells Signup and view all the answers

In which type of muscle cells are actin and myosin filaments not organized?

Smooth muscle cells Signup and view all the answers

Where are involuntary muscles mainly found?

In the internal organs Signup and view all the answers

What is the characteristic of voluntary muscles?

Striated and under voluntary control Signup and view all the answers

What is the main function of the Musculoskeletal System?

Support, movement, and stability Signup and view all the answers

Where is cardiac muscle found?

In the heart Signup and view all the answers

What causes the red pigment in muscles?

Myoglobin Signup and view all the answers

What percentage of the body is made up of skeletal muscle?

40% Signup and view all the answers

What is contained in an elastic sheath called sarcolemma?

Muscle fiber Signup and view all the answers

What protein forms cross bridges with myosin during muscle contraction?

Actin Signup and view all the answers

What is mainly responsible for force generation in muscles?

Myosin thick filament Signup and view all the answers

What does a nerve fiber end in connection with?

End plate Signup and view all the answers

Musculoskeletal System Overview

Choose a study mode

Podcast

Questions and Answers

What is the function of troponin T?

What is the main function of the skeleton?

What is the composition of osteoid?

What stimulates smooth muscle contraction?

In which type of muscle cells are actin and myosin filaments not organized?

What is the main function of the skeleton?

What is the composition of osteoid?

Which type of bone cells are responsible for bone formation?

In which type of muscle cells are actin and myosin filaments not organized?

Where are involuntary muscles mainly found?

What is the characteristic of voluntary muscles?

What is the main function of the Musculoskeletal System?

Where is cardiac muscle found?

What causes the red pigment in muscles?

What percentage of the body is made up of skeletal muscle?

What is contained in an elastic sheath called sarcolemma?

What protein forms cross bridges with myosin during muscle contraction?

What is mainly responsible for force generation in muscles?

What does a nerve fiber end in connection with?

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