Muscle Contraction quizz

What type of muscle is voluntary and used for movement?

• Cardiac Muscle

• Smooth Muscle

• Skeletal Muscle

• Non-Striated Muscle

How many skeletal muscles are there in the human body?

• More than 650

• Exactly 500

• Less than 300

• About 800

Where is cardiac muscle found?

• Throughout the body

• In the heart only

• In the lungs only

• In the skeletal system

Does cardiac muscle require innervation to contract?

• Yes, it requires direct innervation

• No, it does not require innervation

• Yes, but only from the smooth muscle

• No, it contracts independently of the heart

What type of muscle is the smooth muscle?

• Voluntary muscle

• Involuntary muscle

• Striated muscle

• Cardiac muscle

Which of the following is NOT a location where smooth muscle can be found?

• Respiratory Tract

• Bladder

• Biceps brachii

• Vasculature

Does smooth muscle require innervation to contract?

• Yes, it requires direct innervation to contract

• No, it does not require innervation to contract but can be influenced by neural input

• Yes, but only by the autonomic nervous system

• No, it contracts spontaneously without any influence

Identify the muscle type labeled as "Unstriated muscle" in the diagram.

• Skeletal muscle

• Cardiac muscle

• Smooth muscle

• Voluntary muscle

What percentage of nuclei are found in mature myocytes within the whole skeletal muscle structure?

• 25%

• 50%

• 75%

• 100%

Which of the following cell types is NOT found in whole skeletal muscle?

• Adipocytes

• Cardiac Muscle Cells

• Endothelial Cells

• Satellite Cells