Copy and Edit

Arthrology, Myology Part 2(b)- Anatomy PMU 1st Year, 1st Semester

Description

Arthrology, Myology Part 2
Med Student
Quiz by Med Student , updated more than 1 year ago
Med Student
Created by Med Student over 8 years ago
763
18
0

Resource summary

Question 1

Question
The radial nerve
Answer
  • contains fibers derived from only the sixth, seventh and eighth cervical spinal nerves
  • passes in front of the humerus from the medial to the lateral side
  • supplies the muscles on the posterior aspect of the upper arm and forearm
  • supplies sensory branches to the nail beds of the index and middle fingers
  • is the only nerve supplying the triceps muscle.

Question 2

Question
The flexor digitorum profundus muscle
Answer
  • has an attachment to the ulna and not the radius
  • is supplied only by the ulnar nerve
  • can flex the distal, middle and proximal phalanges of the hand
  • is deep to the flexor digitorum superficialis (sublimis) muscle and tendons along its whole course
  • has only three of the four lumbrical muscles attached to its tendons in the hand

Question 3

Question
If the ulnar nerve is cut at the elbow
Answer
  • part of the flexor digitorum superficialis (sublimis) is paralysed
  • there is a loss of sensation in the back of the index finger
  • flexion at the metacarpophalangeal joints of the ring and little finger is lost if their interphalarlgeal joints are kept extended
  • the distal phalanges of all the fingers are extended at the distal interphalangeal joints
  • the movement of opposition of the thumb is usually lost

Question 4

Question
If the median nerve is cut at the wrist
Answer
  • sensation in the skin over the hack of the whole of the index finger is lost
  • adduction of the thumb is lost
  • the movement of opposition of the thumb is usually lost
  • flexion at the metacarpophalangeal joint of the thumb is impossible
  • extension at the interphalangeal joints of the index finger is lost

Question 5

Question
With regard to movements of the medial four digits
Answer
  • movement of the index finger in a radial direction is due to the first dorsal interosseous muscle
  • flexion at the distal interphalangeal joints of all the digits is lost if the ulnar nerve is cut at the elbow
  • flexion at the metacarpophalangeal joints while there is extension at the interphalangeal joints is due to the lumbrical muscles
  • movement of the ring finger in a radial direction is due to the third dorsal interosseous muscle
  • extension at the metacarpophalangeal joints is effected by the dorsal interosseous muscles

Question 6

Question
The palmar aponeurosis
Answer
  • is attached to the skin of the palm by fibrous septa
  • is attached distally to the fibrous flexor sheaths
  • protects the underlying tendons
  • receives tendon of palmaris longus
  • apex is attached to flexor retinaculum

Question 7

Question
The ulnar nerve
Answer
  • supplies the adductor pollicis muscle
  • lies medial to the hook of the hamate
  • supplies all the interossei muscles
  • is deep to the flexor retinaculum
  • contains fibers from only the first thoracic spinal nerve

Question 8

Question
If the median nerve is cut at the level of the elbow joint
Answer
  • there is a loss of sensation in the tips of all the fingers
  • there is usually a loss of opposition of the thumb
  • there is a complete loss of flexion at the wrist
  • there is a loss of adduction of the thumb
  • there is a loss of flexion at the interphalangeal joint of the thumb

Question 9

Question
If the radial nerve is cut in the axilla
Answer
  • the hand cannot be extended at the wrist
  • there is widespread sensory loss over the back of the forearm
  • the fingers cannot be extended at the metacarpophalangeal joints
  • the flexed forearm cannot be actively extended at the elbow
  • the forearm cannot be pronated

Question 10

Question
The median nerve
Answer
  • arises by two roots, one from the lateral cord and the other from the medial cord of the brachial plexus
  • does not contain fibers originating in the first thoracic spinal nerve
  • lies medial to the axillary artery in the axilla
  • supplies all the flexor muscles in the front of the forearm
  • is commonly the motor nerve to the abductor pollicis brevis muscle

Question 11

Question
In the hand
Answer
  • the superficial palmar arch is deep to the branches of the median nerve
  • the second palmar interosseous muscle is attached to the third metacarpal bone
  • the second dorsal interosseous muscle pulls the middle finger in a radial direction
  • the four dorsal interossei muscles are supplied by the radial nerve
  • the deep palmar arch is formed mainly by the radial artery

Question 12

Question
The radius
Answer
  • has its growing end proximally
  • has the tendon of the biceps muscle attached to the whole of the radial tuberosity
  • has the pronator teres muscle attached to its lateral border
  • has the extensor pollicis longus muscle attached to it
  • has the tendon of the abductor pollicis longus muscle on the lateral side of its styloid process

Question 13

Question
The flexor digitorum superlicialis (sublimis) muscle
Answer
  • has attachments to the humerus, radius and ulna
  • has only two tendons just above the flexor retinaculum
  • is supplied only by the median nerve
  • is attached to the base of the middle phalanx of the medial four digits
  • is superficial to the ulnar artery in the upper part of the forearm

Question 14

Question
The ulnar nerve
Answer
  • is deep to the triceps muscle in part of its course
  • is posterior to the medial epicondyle of the humerus
  • arises from the medial cord of the brachial plexus
  • is medial to the ulnar artery in the forearm
  • contains fibers which supply the skin of the medial part of the front of the palm of the hand

Question 15

Question
The median nerve
Answer
  • is lateral to the axillary vein in the with
  • crosses in front of the brachial artery from the medial to the lateral side in the upper arm
  • gives a branch to the elbow joint
  • is lateral to the tendon of the biceps brachii muscle in the cubital fossa
  • is superficial to the flexor retinaculum

Question 16

Question
The ulna
Answer
  • has the flexor digitorum profundus muscle attached to its anterior surface
  • has the flexor digitorum superficialis (sublimis) muscle attached to the medial side of its coronoid process
  • may have the flexor pollicis longus muscle attached to it
  • has the abductor pollicis longus muscle attached to its posterior surface
  • has the flexor carpi ulnaris muscle attached to it

Question 17

Question
The great (long) saphenous vein
Answer
  • is anterior to the lateral malleolus
  • is anterior to the saphenous nerve in the leg
  • has no valves in its course in the leg
  • is connected to the deep veins of the lower limb by channels which have no valves
  • after passing through the saphenous opening receives the superficial epigastric and external pudendal veins
  • none of these

Question 18

Question
The semimembranosus muscle
Answer
  • is a flexor of the leg at the knee
  • forms the upper medial boundary of the popliteal fossa
  • is innervated by the medial popliteal (tibial) part of the sciatic nerve
  • forms the oblique popliteal ligament of the knee joint
  • has deep to its tibial attachment a bursa which never communicates with the knee joint

Question 19

Question
The longitudinal plantar (tarsal) arch is supported and maintained by the
Answer
  • tibialis anterior muscle
  • peroneus longus muscle
  • tibialis posterior muscle
  • calcaneouavicular ligament
  • popliteus muscle

Question 20

Question
The peroneus longus muscle
Answer
  • is paralyzed if the sciatic nerve is cut
  • is an evertor of the foot
  • is attached to the fifth metatarsal bone
  • is an important muscle in maintaining the transverse arch of the foot
  • is attached to the medial surface of the fibula

Question 21

Question
With regard to the tibia
Answer
  • the flexor hallucis longus muscle is attached to its posterior surface
  • the extensor hallucis longus muscle is attached to its anterolateral surface
  • its articulations with the fibula are both synovial
  • none of these

Question 22

Question
The soleus muscle
Answer
  • is attached to only the soleal line ofthe tibia
  • is active while walking upstairs
  • is active while walking downstairs
  • has a tendon which begins at a higher level than that of the gastrocnemius muscle
  • is a plantar flexor of the foot at the ankle joint

Question 23

Question
The calcaneus
Answer
  • has the tendo calcaneus (Achillis) attached to the middle of its posterior surface
  • has the tendon of flexor hallucis longus passing inferior to the sustentaculum tali
  • has the flexor digitorum accessorius muscle attached to its inferior and medial surfaces
  • has the long plantar ligament attached to its inferior surface
  • has the inferior extensor retinaculum attached to its upper surface anteriorly

Question 24

Question
The common peroneal nerve (or its branches)
Answer
  • innervates the skin between the third and fourth toes
  • innervates the knee joint
  • innervates the peroneus tertius muscle
  • innervates all the muscles producing inversion of the foot
  • innervates all the muscles producing evasion of the foot

Question 25

Question
Fibers of the fourth lumbar spinal nerve
Answer
  • supply skin on the medial side of the leg
  • are found in the inferior gluteal nerve
  • are found in the femoral nerve
  • are found in the tibial nerve
  • are found in the common peroneal nerve.

Question 26

Question
The superficial peroneal nerve supplies
Answer
  • peroneus Iongus and brevis
  • peroneus tertius
  • tibialis anterior
  • extensor digitorum longus
  • flexor digitorum longus

Question 27

Question
The great (long) saphenous vein
Answer
  • begins on the medial side of the ankle
  • is anterior to the tibial (medial) malleolus
  • is anterior to the medial femoral condyle
  • receives the termination of the small (short) saphenous vein
  • has no connexions with the deep veins of the leg

Question 28

Question
The semimembranosus muscle
Answer
  • has a common origin from the ischial tuberosity with the semitendinosus
  • is deep to the semitendinosus muscle
  • can act as a lateral rotator of the leg on the thigh
  • is an extensor of the thigh on the trunk
  • is innervated by the common peroneal (lateral popliteal) nerve

Question 29

Question
The tibialis anterior muscle
Answer
  • is a dorsiflexor of the foot at the ankle joint
  • is active during the whole of the stance phase of the step in walking
  • is attached to the navicular bone
  • helps to maintain the medial longitudinal arch
  • is innervated by the deep pertinent (anterior tibial) nerve

Question 30

Question
The medial plantar nerve
Answer
  • has cutaneous branches which supply the media! three and a half toes
  • arises from the tibial (pusterior tibial) nerve deep to the flexor retinaculum
  • innervates the abductor hallucis muscle
  • intervates the flexor digitorum brevis muscle
  • innervates the medial two plantar interossei muscles

Question 31

Question
If the common peroneal (lateral popliteal) nerve is cut
Answer
  • aversion of the foot is lost
  • inversion of the foot is lost
  • dorsiflexion of the foot is lost
  • plantar flexion of the foot is lost
  • there is no loss of cutaneous sensation

Question 32

Question
The tibial(medial popliteal) nerve
Answer
  • is superficial to the popliteal vessels in the popliteal fossa
  • is lateral to the popliteal and posterior tibial vessels along the whole of its course down the back of the knee and leg
  • gives off the sural nerve to the medial side of the leg and foot
  • gives branches to the muscles which plantar flex the foot
  • gives branches to the knee and ankle joints

Question 33

Question
The flexor hallucis longus muscle
Answer
  • is attached to the tibia
  • has a tendon which in the sole is superficial to the tendon of the flexor digitorum longus muscle
  • has a tendon which is medial to the posterior tibial vessels and nerves deep to the flexor retinaculum
  • is attached to the proximal phalanx of the great toe
  • receives a slip from the flexor digitorum accessories muscle
  • none of these

Question 34

Question
The tiblalis posterior muscle
Answer
  • is attached to both bones of the leg
  • has a tendon which passes deep to the tendon of the flexor digitorum longus muscle
  • is an invertor of the foot
  • is attached by a fibrous slip to the sustentaculum tali
  • has a tendon which lies in a groove on the posterior aspect of the medial malleolus

Question 35

Question
The radial nerve:
Answer
  • arises from lateral cord of the brachial plexus
  • supplies brachioradialis
  • divides near the elbow into muscular and cutaneous components
  • innervates most of the dorsal skin of the hand
  • when injured, gives rise to-the condition known as wrist drop

Question 36

Question
The ulnar nerve:
Answer
  • arises from the medial cord of the brachial plexus
  • supplies skin on medial side of arm and forearm
  • passes behind medial epicondyle of humerus
  • supplies first dorsal interosseous muscle
  • when injured, thenar muscles are wasted

Question 37

Question
The median nerve:
Answer
  • arises directly from trunks of the brachial plexus
  • crosses the axillary artery from lateral to medial side
  • enters the forearm through pronator quadratus
  • enters the hand by passing through carpal tunnel
  • when injured gives rise to the condition known as ‘claw hand’

Question 38

Question
The carpal tunnel:
Answer
  • is a fibro-osseous tunnel formed by carpal bones and palmar apaneurosis
  • contains the tendons of flexor digitorum superficialis
  • both the radial and ulnar arteries
  • compression of nerve in tunnel causes sensory loss in index finger (palmar surface)
  • contains portion of ulnar bursa

Question 39

Question
The palmar aponeurosis:
Answer
  • is attached to the skin of the palm by fibrous septa
  • is attached distally to the fibrous flexor sheaths
  • protects the underlying tendons
  • receives tendon of palmaris longus
  • apex is attached to flexor retinaculum

Question 40

Question
If the median nerve is cut at the wrist
Answer
  • sensation in the skin over the back of the whole of the index finger is lost
  • adduction of the thumb is lost
  • the movement of opposition of the thumb is usually lost
  • flexion at the metacarpophalangeal joint of the thumbs impossible
  • extension at the interphalangeal joints of the index finger is lost
Show full summary Hide full summary

Want to create your own Quizzes for free with GoConqr? Learn more.

Similar

The structure of the heart
rachel_w
4. The Skeletal System - bones of the skull
t.whittingham
Neuro anatomy
James Murdoch
The Circulatory System
mimtasin afra
Renal System A&P
Kirsty Jayne Buckley
The structure of the Heart, AS Biology
mill-bill
Respiratory anatomy
James Murdoch
Unit 4: The Respiratory and Circulatory Systems
Cath Warriner
1. Anatomy & Physiology of the Ear
t.whittingham
Respiration
Sarita Saha
Endocrine System Practice Essay Questions
Taneka Dunn
Browse Library