لغات Flashcards by Mohammad Mohammadpoor

What is the total number of bones in the human hand?

27 bones

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How many phalanges does each finger have?

Three phalanges, except the thumb which has two

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What is the name of the bone located in the wrist that is the largest of the carpal bones?

Capitate

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True or False: The thumb is considered a digit.

True

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Fill in the blank: The five bones that form the palm of the hand are called _____.

metacarpals

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Which bone is commonly known as the wrist bone?

Carpal bone

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What is the primary function of the flexor tendons in the hand?

To allow bending of the fingers

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Which muscle is responsible for the opposition of the thumb?

Opponens pollicis

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How many carpal bones are there in the human wrist?

Eight carpal bones

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What is the name of the ligament that provides stability to the wrist?

Transverse carpal ligament

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True or False: The small finger has the same number of phalanges as the index finger.

True

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What is the anatomical term for the thumb?

Pollex

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Which nerve is primarily responsible for sensation in the palm and fingers?

Median nerve

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Multiple Choice: Which of the following bones is not a carpal bone? A) Scaphoid B) Lunate C) Femur D) Pisiform

C) Femur

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What structure connects muscles to bones in the hand?

Tendons

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Fill in the blank: The _____ is the joint between the metacarpal and proximal phalanx.

metacarpophalangeal joint

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True or False: The index finger is also known as the pointer finger.

True

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What is the role of the extensor tendons in the hand?

To extend the fingers

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How many digits are there in total on a human hand?

Five digits

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What is the name of the joint that allows for the rotation of the thumb?

Carpometacarpal joint

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Multiple Choice: Which muscle is NOT located in the hypothenar eminence? A) Abductor digiti minimi B) Flexor digiti minimi C) Opponens digiti minimi D) Extensor digitorum

D) Extensor digitorum

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What is the primary artery supplying blood to the hand?

Radial and ulnar arteries

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Fill in the blank: The _____ is the bone in the wrist that articulates with the radius.

scaphoid

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True or False: The hand can perform fine motor skills due to its complex anatomy.

True

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What are the two main types of movements the hand can perform?

Grasping and pinching

Which part of the hand contains the most sensory receptors?

Fingertips

What is the name of the condition characterized by inflammation of the tendons in the wrist?

De Quervain's tenosynovitis

Fill in the blank: The _____ nerve is responsible for the sensation of the palmar aspect of the thumb, index, middle, and part of the ring finger.

median nerve

What is the main function of the interosseous muscles in the hand?

To abduct and adduct the fingers

True or False: The little finger has the most mobility of all fingers.

False

Which muscle group is responsible for the fine movements of the hand?

Intrinsic muscles

What is the term for the area at the base of the thumb where the muscles are located?

Thenar eminence

Multiple Choice: Which tendon is responsible for flexing the index finger? A) Flexor digitorum profundus B) Flexor digitorum superficialis C) Both A and B D) None of the above

C) Both A and B

Fill in the blank: The _____ is the joint between the proximal and middle phalanges.

proximal interphalangeal joint

What is the primary function of the dorsal interossei muscles?

To abduct the fingers

True or False: The hand is capable of independent finger movements.

True

What joint is found at the base of the thumb?

Carpometacarpal joint

What is the role of the palmar fascia?

To provide support and protection to the underlying structures of the palm

Fill in the blank: The _____ is the part of the hand that includes the thumb and the fingers.

digits

Multiple Choice: Which of the following is NOT a function of the hand? A) Manipulation B) Sensation C) Digestion D) Communication

C) Digestion

What are the three groups of muscles in the hand?

Thenar, hypothenar, and intrinsic muscles

True or False: The ulnar nerve controls the majority of the intrinsic muscles of the hand.

True

What is the name of the muscle located in the palm that helps in thumb opposition?

Opponens pollicis

Fill in the blank: The _____ is the main artery that runs along the ulnar side of the hand.

ulnar artery

Multiple Choice: Which part of the hand has the highest density of touch receptors? A) Palm B) Fingertips C) Back of the hand D) Wrist

B) Fingertips

What is the name of the condition that results from excessive pressure on the median nerve?

Carpal tunnel syndrome

True or False: The hand has a greater range of motion than the foot.

True

What is the role of the flexor retinaculum?

To hold the tendons of the flexor muscles in place at the wrist

Fill in the blank: The _____ muscles are responsible for the movements of the little finger.

hypothenar

Multiple Choice: Which digit is primarily responsible for grip strength? A) Middle finger B) Ring finger C) Pinky D) Thumb

D) Thumb

What is the name of the space between the fingers?

Interdigital space

True or False: The hand has both intrinsic and extrinsic muscles.

True

What structure encases the tendons and nerves as they pass through the wrist?

Carpal tunnel

Fill in the blank: The _____ is the bone that connects the hand to the forearm.

radius

Multiple Choice: Which muscle is involved in extending the fingers? A) Flexor digitorum B) Extensor digitorum C) Abductor pollicis D) Opponens digiti

B) Extensor digitorum

What is the significance of the anatomical snuffbox?

It is a triangular depression on the lateral aspect of the wrist that indicates the location of the radial artery.

True or False: The wrist is composed of two rows of carpal bones.

True

What is the primary function of the extensor pollicis longus?

To extend the thumb

Fill in the blank: The _____ is the joint between the distal phalanx and the middle phalanx.

distal interphalangeal joint

Multiple Choice: Which of the following joints allows for the greatest range of motion in the hand? A) Carpometacarpal joint B) Metacarpophalangeal joint C) Interphalangeal joint D) Proximal interphalangeal joint

A) Carpometacarpal joint

What is the primary role of the palmaris longus muscle?

To assist in wrist flexion

True or False: The hand can perform both power grips and precision grips.

True

Fill in the blank: The _____ is the part of the hand that is opposite the thumb.

little finger

What is the name of the joint where the metacarpals meet the phalanges?

Metacarpophalangeal joint

Multiple Choice: Which artery is commonly used to check the pulse in the wrist? A) Ulnar artery B) Radial artery C) Brachial artery D) Femoral artery

B) Radial artery

What is the purpose of the digital flexor sheaths?

To protect the flexor tendons as they pass through the fingers

True or False: The hand is capable of both gross and fine motor skills.

True

What is the primary function of the abductor pollicis brevis muscle?

To abduct the thumb

Fill in the blank: The _____ is the bony prominence on the ulnar side of the wrist.

pisiform

What is the role of the opponens digiti minimi muscle?

To allow opposition of the little finger

Multiple Choice: Which of the following is NOT a carpal bone? A) Triquetrum B) Hamate C) Calcaneus D) Capitate

C) Calcaneus

What is the significance of the flexor digitorum superficialis?

It flexes the middle phalanges of the fingers.

True or False: The hand has a greater number of muscles than bones.

True

Fill in the blank: The _____ ligament connects the carpal bones to the metacarpals.

ligamentous

What is the primary function of the flexor digitorum profundus?

To flex the distal phalanx of the fingers.

Multiple Choice: Which muscle is NOT involved in thumb movement? A) Abductor pollicis longus B) Flexor pollicis brevis C) Extensor carpi radialis D) Opponens pollicis

C) Extensor carpi radialis

What is the anatomical term for the knuckle joint?

Metacarpophalangeal joint

True or False: The median nerve is responsible for the movement of the little finger.

False

What muscle is primarily responsible for the adduction of the fingers?

Palmar interossei

Fill in the blank: The _____ is the joint between the carpal bones.

carpometacarpal joint

Multiple Choice: Which muscle helps in the flexion of the thumb? A) Flexor pollicis longus B) Extensor pollicis longus C) Abductor pollicis D) Opponens pollicis

A) Flexor pollicis longus