#1
Which bone is commonly known as the collarbone?
Clavicle
ExplanationCollarbone connecting the arm to the trunk.
#2
What is the function of the synovial fluid in joints?
Lubrication
ExplanationReduces friction and provides nourishment to cartilage.
#3
Which type of muscle is striated and under voluntary control?
Skeletal muscle
ExplanationAttached to bones and controlled consciously.
#4
What is the purpose of the meniscus in the knee joint?
Stabilize the joint
ExplanationActs as a shock absorber and enhances stability.
#5
Which type of joint allows rotational movement?
Pivot joint
ExplanationEnables rotation around a single axis.
#6
What is the main function of the skeletal system?
Protection of internal organs
ExplanationProtects vital organs and provides structural support.
#7
Which muscle is responsible for flexing the forearm?
Biceps brachii
ExplanationPrimary muscle for forearm flexion.
#8
Which of the following is NOT a component of the axial skeleton?
Appendicular skeleton
ExplanationIncludes bones of the skull, spine, and ribcage.
#9
What is the primary role of tendons in the musculoskeletal system?
Connect muscle to bone
ExplanationTransmit force from muscle to bone for movement.
#10
What is the primary function of the intervertebral discs in the spine?
Provide cushioning and support
ExplanationAbsorb shock and maintain spine flexibility.
#11
Which connective tissue surrounds individual muscle fibers?
Fascia
ExplanationSeparates muscles and allows smooth movement.
#12
What is the medical term for the thigh bone?
Femur
ExplanationLongest and strongest bone in the body.
#13
Which joint allows movement in multiple directions, including flexion, extension, abduction, and adduction?
Condyloid joint
ExplanationAllows for diverse range of movements.
#14
Which condition is characterized by the inflammation of joints, causing pain and stiffness?
Arthritis
ExplanationLeads to joint pain, swelling, and limited motion.
#15
What is the purpose of the muscular system?
Movement and heat production
ExplanationGenerates force for movement and regulates body temperature.
#16
What is the medical term for the inflammation of a bursa?
Bursitis
ExplanationResults in pain and swelling around affected joint.
#17
Which hormone plays a crucial role in regulating calcium levels in the bones?
Parathyroid hormone (PTH)
ExplanationStimulates release of calcium from bones into bloodstream.