490.While some people continue to increase in height through their
teenage years, most change very little in height for decades. However,
many elderly men and women often lose height as a result of which of the
following?
a. Lordosis
b. Scoliosis
c. Kyphosis
d. Osteoarthritis
e. Rheumatoid arthritis
491.A 27-year-old man is admitted for neurologic evaluation of a gunshot
wound received 5 days previously. A 9-mm bullet had passed through both
the medial and lateral heads of the gastrocnemius muscle. The exit wound
on the lateral head of the muscle was somewhat deeper than the entrance
wound in the medial head. The bullet did not strike bone or significant
arteries although significant tissue damage, suppuration, and swelling were
found around the exit wound. Neurologic examination reveals losses of
dorsiflexion and eversion of the left foot. The patient cannot feel pinprick
or touch on the dorsum of the left foot or anterolateral surface of the left
leg. Which nerve was most likely involved in the injury?
a. Sciatic nerve
b. Femoral nerve
c. Sural nerve
d. Common fibular (peroneal) nerve
e. Tibial nerve
492.In a presurgical patient, the great saphenous vein was cannulated in
the vicinity of the ankle. During the procedure, the patient experienced
severe pain that radiated along the medial border of the foot. Which of the
following nerves was accidentally included in a ligature during this
procedure?
a. Medial femoral cutaneous nerve
b. Saphenous nerve
c. Superficial fibular nerve
d. Sural cutaneous nerve
e. Tibial nerve
Extremities and Spine 581