Rounds Quiz

427. Osteoporosis differs from osteomalacia in the following ways (more than one answer):
A. the density of the skeleton is reduced in osteoporosis and not in osteomalacia
B. the remaining bone in osteoporosis has a normal histological appearance
C. there are gross changes in the epiphyses in osteomalacia
D. excess bone matrix is found in osteomalacia
E. Pseudofractures are more common in osteoporosis than in osteomalacia

428. Which of the following promote fracture healing?
A. absence of infection
B. treatment with steroids
C. immediate immobilization
D. good blood supply
E. adequate vitamin C

429. Which of the answers are correct in the development of long bones?
A. osteoclasts do not absorb the calcified matrix of the cartilage
B. osteoblasts become osteocytes
C. endochondral ossification extends along the diaphysis
D. the epiphyseal plate separates the diaphysis from the metaphysis
E. circumferential growth is by subperiosteal ossification

430. Which of the following is/are risk factors for gout?
A. seafood consumption
B. diuretic use
C. dairy product consumption
D. alcohol use

431. An avulsion fracture of the lateral tibial plateau usually signifies an anterior cruciate ligament injury called:
A. tibial pilon fracture
B. tibia plateau fracture
C. Segond fracture
D. Hoffa fracture

432. Erb's palsy involves primarily the upper roots C4-C6 of the brachial plexus.
True or False

Answers to the last Rounds Quiz:
421. E; 422. C; 423. True; 424. B; 425. A; 426. C