#1
Which type of muscle is responsible for involuntary movements like digestion?
Skeletal muscle
Cardiac muscle
Smooth muscle
Striated muscle
#2
What is the main function of the muscular system?
To provide structure and support
To produce heat for the body
To regulate blood pressure
To enable movement
#3
What is the connective tissue surrounding a muscle called?
Fascia
Tendon
Ligament
Cartilage
#4
Which mineral is essential for muscle contraction?
Calcium
Iron
Sodium
Potassium
#5
Which structure connects muscle to bone?
Tendon
Ligament
Fascia
Cartilage
#6
Which of the following is NOT a type of muscle tissue?
Epithelial muscle
Skeletal muscle
Smooth muscle
Cardiac muscle
#7
What is the structural unit of a muscle called?
Fiber
Sarcomere
Myofibril
Tendon
#8
Which muscle type is striated and under voluntary control?
Cardiac muscle
Smooth muscle
Skeletal muscle
Visceral muscle
#9
Which muscle is responsible for breathing?
Diaphragm
Serratus anterior
Quadriceps
Pectoralis major
#10
What is the name of the condition characterized by inflammation of tendons in the elbow?
Tendinitis
Bursitis
Arthritis
Myositis
#11
Which of the following is NOT a function of skeletal muscles?
Production of body heat
Facilitating movement
Regulating blood pressure
Maintaining posture and body position
#12
Which neurotransmitter is responsible for initiating muscle contraction?
Serotonin
Dopamine
Acetylcholine
Adrenaline
#13
What is the name of the protein that forms the thick filaments in muscle fibers?
#14
What is the term for the point where a motor neuron meets a muscle fiber?
Synapse
Neuromuscular junction
Myofibril
Neurotransmitter
#15
Which of the following statements about muscle fatigue is true?
It occurs due to an increase in oxygen supply to muscles.
It is caused by a decrease in lactic acid production.
It can result from the accumulation of metabolic waste products.
It is more likely to occur during rest.
#16
Which of the following is responsible for muscle relaxation?
Acetylcholine
Adenosine triphosphate (ATP)
Calcium ion
Acetylcholinesterase
#17
What is the name of the condition characterized by abnormal involuntary muscle contractions?
Muscular dystrophy
Tetanus
Myoclonus
Dystonia