Skeletal & Muscular Systems MCQs with Answers

The false ribs in humans on each side are?

• A.2
• B.3
• C.4
• D.5

All of the following characteristics applies to cartilage except:

• A.It is a type of connective tissue
• B.It is flexible and elastic
• C.They can be reshaped
• D.It lacks blood vessels

Which one of the following does not change when the muscle contracts?

• A.Sarcomere length
• B.I-band
• C.H-zone
• D.A-band

How many muscles are there in the human body?

• A.639
• B.206
• C.360
• D.500

Past Paper MCQ

What is the hardest substance present in the human body?

• A.Bone
• B.Dental enamel
• C.Keratin
• D.Cartilage

How many ribs are present in the human body?

• A.22
• B.24
• C.26
• D.28

Which statement about the ulna is correct?

• A.It is the longest bone in the human body
• B.It is a small bone located in the wrist
• C.It forms the upper part of the vertebral column
• D.It has a projection to which an extensor muscle is attached

The tibia and fibula are bones found in the _?

• A.Arm
• B.Spine
• C.Skull
• D.Leg

Why are thick filaments unable to bind with thin filaments in a relaxed muscle fiber?

• A.Calcium ions block the myosin binding site
• B.Actin blocks the myosin binding site
• C.ATP blocks the myosin binding site
• D.Tropomyosin blocks the myosin binding site

Which of the following surrounds myofibril in skeletal muscle that stores and distributes calcium ions during muscle functioning?

• A.Mitochondria
• B.Endoplasmic reticulum
• C.Golgi apparatus
• D.Sarcoplasmic reticulum