Muscles and Bones 

31. Which joint allows for rotation of the forearm?

a) Hinge joint

b) Pivot joint

c) Saddle joint

d) Ball and socket joint

32. Which muscle is responsible for extending the knee joint?

a) Quadriceps

b) Hamstrings

c) Gastrocnemius

d) Soleus

33. Which bone forms the forehead and the upper part of the eye sockets?

a) Frontal bone

b) Parietal bone

c) Temporal bone

d) Occipital bone

34. Which muscle is responsible for shrugging the shoulders?

a) Trapezius

b) Rhomboids

c) Serratus anterior

d) Latissimus dorsi

35. Which bone is commonly known as the collarbone?

a) Clavicle

b) Scapula

c) Humerus

d) Radius