Rounds Quiz

(Questions Submitted by Melisa lanse van Rensburg, Alberta)

475. A segond fracture is:

a)  an avulsion fracture of the lateral tibial plafond
b)  requently associated with ACL tears or IDK
c)  due to excessive internal rotation of the knee
d)  all of the above

476. Osteoblasts are monineucIeate cells responsible for bone formation. The following is also true of osteoblasts:

a)  are composed mainly of Type 2 osteoid
b)  are responsible for the demineralization of osteoid matrix
c)  produce zinc, copper, sodium and other minerals
d)  reabsorb bone matrix

477. The difference between a fat embolism (FE) and a pulmonary embolism (PE) is that a PE presents with petechia.

True or False

478. A Bell-Dally dislocation may be defined as:

a)  caused by a ertical compre ion force
b)  a non-traumatic Cl di location
c)  a bilateral fracture passing through the posterio-lateral masses of the Atlas
d)  TB of the spine

479. The axial skeleton includes the:

a)  skull, vertebrae. thoracic cage and upper limb
b)  skull, vertebrae. hyoid bone and thoracic cage
c)  skull, malleous. icus, tape, hyoid bone and vertebral column
d)  80 bones found in the head and trunk

Answers to the last Rounds Quiz:
468. T; 469. F; 470. T; 471. F; 472. T; 473. Vastus lateralis, Vastus medialis, Vastus intermedialis and Rectus femoris;
474. Rectus femoris