#1
Which bone is commonly known as the thumb?
Metacarpal
ExplanationThe bone forming the base of the thumb.
#2
How many phalanges does each finger, excluding the thumb, typically have?
Three
ExplanationEach finger has three phalanges: proximal, middle, and distal.
#3
What is the approximate number of bones in the human hand?
30
ExplanationTotal number of bones in one human hand.
#4
Which part of the hand is primarily responsible for gripping objects?
Palmar aspect
ExplanationThe part of the hand contacting objects when gripping.
#5
What is the common name for the metacarpophalangeal joints?
Knuckles
ExplanationJoints connecting fingers to the hand.
#6
Which muscle is responsible for flexing the fingers?
Flexor digitorum superficialis
ExplanationMuscle responsible for flexing the fingers, located superficially.
#7
The carpal bones are found in which part of the hand?
Wrist
ExplanationCarpal bones form the wrist.
#8
Which nerve is responsible for providing sensation to the thumb, index, middle, and half of the ring finger?
Median nerve
ExplanationThe nerve responsible for sensation in the mentioned fingers.
#9
What is the medical term for the medical condition commonly known as 'trigger finger'?
Stenosing tenosynovitis
ExplanationInflammation causing finger movement restriction.
#10
Which tendon connects the flexor digitorum profundus muscle to the distal phalanges of the fingers?
Flexor digitorum profundus
ExplanationTendon extending from muscle to finger tips.
#11
What is the medical term for the joint at the base of the thumb?
Carpometacarpal joint
ExplanationThe joint connecting the thumb to the wrist.
#12
Which ligament supports the joint at the base of the thumb and prevents excessive movement?
Ulnar collateral ligament
ExplanationLigament stabilizing the thumb's base joint.
#13
What is the function of the extensor indicis muscle?
Extend the index finger
ExplanationMuscle specifically extending the index finger.
#14
What is the primary function of the abductor pollicis brevis muscle?
Abduction of the thumb
ExplanationMuscle primarily responsible for thumb movement away from the hand.
#15
What is the purpose of the thenar muscles in the hand?
Abduction of the thumb
ExplanationMuscles involved in moving the thumb away from the hand.