Multiple choice: Select the correct answer from the list provided. 17. When you move your head as if to indicate no, 21 Which part of the ulna forms the point of the elbow? a) the atlas rotates on the occipital condyles. a) styloid process b) C, and C2 rotate on the adjoining cervical vertebrae. b) olecranon c) the atlas rotates on the dens of the axis. c) coronoid process d) the skull rotates with both C1 and C2. d) trochlear notch 18 Which of the following pairs of bones make up the bony nasal 22 Which of the following bones is not part of the orbital complex? septum? a) lacrimal a) inferior nasal conchae and vomer b) nasal b) perpendicular plate of ethmoid and inferior nasal conchae c) ethmoid c) vomer and perpendicular plate of ethmoid d) sphenold d) inferior nasal conchae and middle nasal conchae of ethmoid 23. The head of the femur articulates with the pelvis at the 19 The unpaired facial bones include the a) true pelvis. a) lacrimal and nasal. b) acetabulum. b) vomer and mandible. c) obturator foramen. c) maxilla and mandible. d) pubic symphysis. d) zygomatic and palatine. 24 What is the name of the flexible sheet that interconnects the radius 20 The joint between the frontal and parietal bones is correctly and ulna (and the tibia and fibula)? called the a) interosseous membrane a) parietal suture. b) obturator foramen b) lambdoid suture. c) linea aspera c) squamous suture. d) intercondylar eminence d) coronal suture. Short answer What function do the fontanelles serve during birth? Distinguish between the primary and secondary curves of the vertebral column. Describe how ribs function in breathing. Name the three bones that fuse to form a hip bone. Where do these bones meet?.