Which Are Extensors of the Thumb at the Carpometacarpal, Metacarpophalangeal

question 8

Multiple Choice

Which are extensors of the thumb at the carpometacarpal, metacarpophalangeal, and/or interphalangeal joints?

• A)flexor pollicis brevis,flexor pollicis longus,adductor pollicis
• B)extensor pollicis longus,extensor pollicis brevis,abductor pollicis longus
• C)flexor pollicis longus,abductor pollicis longus,opponens pollicis
• D)flexor pollicis longus,extensor digitorum,extensor digiti minimi

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