Musculoskeletal

Question 1

Anterior drawer

Answer 1

ACL injury

Question 2

Posterior drawer

Answer 2

PCL injury

Question 3

Abnormal passive abduction

Answer 3

MCL injury (valgus)

Question 4

Abnormal passive adduction

Answer 4

LCL injury (varus)

Question 5

Pain on external rotation with McMurray

Answer 5

Medial Meniscus injury

Question 6

Pain on internal rotation with McMurray

Answer 6

Lateral Meniscus injury

Question 7

Unhappy triad

Answer 7

ACL, MCL, medial meniscus

more common lateral meniscus

Question 8

Lab findings (Ca, PO4, ALP, PTH) with osteoporosis

Answer 8

normal

Question 9

Lab findings (Ca, PO4, ALP, PTH) with osteopetrosis

Answer 9

Low calcium in severe disease

Question 10

Lab findings (Ca, PO4, ALP, PTH) with Paget disease of bone

Answer 10

high ALP

Question 11

Lab findings (Ca, PO4, ALP, PTH) with osteomalacia/rickets

Answer 11

Low calcium and PO4

High ALP and PTH

Question 12

Lab findings (Ca, PO4, ALP, PTH) in hypervitaminosis D

Answer 12

High calcium and PO4

Low PTH

Question 13

Lab findings (Ca, PO4, ALP, PTH) in primary hyperPTH

Answer 13

High PTH
High Ca/Low PO4
High ALP

Question 14

Lab findings (Ca, PO4, ALP, PTH) in secondary hyperPTH

Answer 14

Low Ca/High PO4
High PTH
High ALP