Musculoskeletal system

What are the three types of muscle tissue in the human body?

• Skeletal, cardiac, and smooth.

• Skeletal, elastic, and connective.

• Cardiac, smooth, and fibrous.

• Skeletal, cardiac, and striated.

How many muscles are in the human body?

• Approximately 400

• Approximately 500

• Approximately 600

• Approximately 700

How do skeletal muscles contribute to posture?

• By maintaining tension and stability in the body.

• By facilitating rapid movements and reflexes.

• By generating heat during physical activity.

• By supporting the body's weight during rest.

What part of the skeletal system protects the spinal cord?

• The skull

• The rib cage

• The vertebra

• The femur

What is the function of smooth muscle?

• To control involuntary movements in organs such as the digestive tract.

• To facilitate voluntary movements in skeletal muscles.

• To support the structure of bones and joints.

• To transmit signals in the nervous system.

What is the difference between voluntary and involuntary muscles?

• Voluntary muscles are controlled unconsciously, while involuntary muscles are controlled consciously.

• Voluntary muscles are found only in the heart, while involuntary muscles are found in the limbs.

• Voluntary muscles are controlled consciously (e.g., skeletal muscles), while involuntary muscles operate automatically (e.g., smooth and cardiac muscles).

• Voluntary muscles are always under automatic control, while involuntary muscles require conscious effort.

Which of the following is NOT a type of muscle: skeletal, cardiac, smooth, or rough?

• Skeletal

• Cardiac

• Smooth

• Rough

What is the significance of muscle tone?

• It helps maintain posture and readiness for action.

• It increases muscle size and strength.

• It reduces fatigue during exercise.

• It enhances flexibility and range of motion.

What is the role of the vertebral column in the skeletal system?

• To protect the spinal cord and provide structural support.

• To facilitate movement of the limbs.

• To store minerals and produce blood cells.

• To connect muscles to bones.

What mineral is primarily stored in bones?

• Calcium

• Iron

• Magnesium

• Potassium