'99 Flashcards
The radial nerve innervates the following muscle:
A. Extensor indicis proprius
B. The medial lumbricals
C. Two radial lumbricals
D. Flexor digitorum communis
E. Abductor pollicis brevis
A. Extensor indicis proprius
A ferminal lateral rotation of the tibia is said to “lock’ the foint when the knee is fully extended The key is the:
A. Gastrocnemius
В. Biceps femoris
C. Piriformis
D. Soleus
E. Popliteus
E. Popliteus
A deep sulcus that outlines & sweeps backward above the temporal pole & then continues on the superolateral surface, almost horizontally backwards, marking the line along which hemisphere became folded. The speech & hearing are both closely associated with it:
A. Medial
B. Central
C. Lateral
D. Collateral
E. Calcarine
C. Lateral
This joint is the upper extremity’s only attachment to the trunk:
A. Sternoclavicular
B. Acromioclavicular
C. Scapuloclavicular
D. Glenohumeral
E. Scapulothoracic
A. Sternoclavicular
This structure resists the tendency of the femur to slide forwards off the plateau like tibiat surface in actions such as jumping with knees bent:
A.Lateral collateral ligament
B. Posterior cruciate ligament
C. Medial & lateral menisci
D. Anterior cruciate ligament
E. Medial collateral ligament
B. Posterior cruciate ligament
This muscle has an extensive origin from the whole lower half of the shaft of humerus & inserted by a tendon into the tuberosity of the ulna below the coronoid process, its sole concern is flexion of the elbow joint:
A. Brachialis
B. Brachioradialis
C. Pronator teres
D. Biceps brachii
E. Coracobrachialis
A. Brachialis
These carpal bones form the radiocarpal joint by their biconcave distal end of the radius & the biconcave proximal articulating surfaces:
A. Scaphoid & capitate
B. Scaphoid & lunate
C. Capitate & lunate
D.Lunate & capitate
E. Scaphoid & trapezoid
B. Scaphoid & lunate
Shortly after the brachial plexus exit the vertebral bodies & pass between the scalenus anticus & medius muscles, the nerve roots of C5 & C6 joint to form:
A. The middle trunk
B. Posterior cord
C. Lateral cord
D. The upper trunk
E. The lower trunk
A. The middle trunk
When defining the motion between the foot & leg a common center of rotation is assumed with this joint primarily responsible for dorsiflexion/plantarflexion components:
A. Metatarsophalangeal
B. Talonavicular
C. Talocrural
D. Transverse tarsal
E. Calcaneocuboid
C. Talocrural
The following statements are true of biceps brachii, EXCEPT:
A. A simultaneous flexion of the shoulder & elbow & supination of the forearm will result from an isolated unopposed contraction of the biceps
B. When the forearm is supinated, it acts in flexion of the elbow with or without a load, in slow or fast movements in either concentric or eccentric contraction
C. Its effectiveness as a supinator is almost 4 times as effective i as the supinator at an angle of 90 degrees
D. It is most effective as the supinator when the elbow is flexed at about a 145 degree angle
E. Its effectiveness as a supinator diminishes as the elbow is extended
D. It is most effective as the supinator when the elbow is flexed at about a 145 degree angle
These muscles retract the protracted scapula & tum the glenoid fossa downwards, thus forcibly lowering the raised arm, with other muscles, they keep the scapula applied to the chest wall:
A.Serratus anterior
B. Trapezius
C. Pectoralis minor
D. Rhomboids
E. Levator scapulae
D. Rhomboids
Thin, strong sheet of fibrous tissue that occasionally attaches flattened muscles:
A. Raphe
B. Tendons
C. Aponeurosis
D. Retinaculae
C. Aponeurosis
Which of the following is NOT true of the deltoid?
A.The nerve supply is by C5 & C6 via the circumflex nerve
B. It can carry the arm higher than the horizontal position
C. It is a powerful abductor of the humerus but cannot initiate that movement
D. The middle fibers concern themselves with abduction alone
C. It is a powerful abductor of the humerus but cannot initiate that movement
This elbow flexor is innervated by the radial nerve & attaches proximally to a ridge on the humerus above the lateral epicondyle:
A. None of these
B. Brachioradialis
C. Biceps
D. Brachialis
B. Brachioradialis
These muscles are said to place the hand in “witing position” (metacarpophalangeal
flexed, interphalangeal joints extended):
A. Flexor digitorum superficialis
B. Four lumbricals
C. Palmar interossei
D. Dorsal interossei
B. Four lumbricals
This is formed when synovial fluid extends into the popliteal space & becomes exposed in a membrane:
A. Deep vein thrombosis
B. Lateral meniscus
C. Baker’s cyst
D. Thrombophlebitis
E. Inflammation of the posterior cruciate ligament
C. Baker’s cyst
To test this muscle, the proximal IP joint of the hand. is stabilized:
A. Interossei
B. Flexor digitorum superficialis
C. Lumbricals
D. Flexor digitorum profundus
E. Pronator teres
D. Flexor digitorum profundus
The following are actions of the upper fibers of the trapezius:
A. Shrugs the shoulders, maintain shoulder level but in fatigue allow the shoulder to droop
B. Steady the scapula at the very beginning of movement of raising the arm above the head
C. Pull the medial end of the scapula downwards
D. Cooperate with the horizontal fibers to rotate the glenoid cavity upward
E. Retract the scapula
A. Shrugs the shoulders, maintain shoulder level but in fatigue allow the shoulder to droop
Due to their Inverted tripod arrangement, they function as a stabilizing mechanism for the pelvis & capable of cooperating with the “splint” mechanism of the lotibial tract on the lateral side:
A. Sartorius, gacillis & semitendinosus
B. Adductor magnus, vastus lateralis & biceps
C. Semitendinosus, semimembranosus & gracils
D. Semitendinosus, biceps & gracillis
A. Sartorius, gacillis & semitendinosus
This nerve supplies the serratus anterior muscle & arises from C5, C6 & C7 roots of the brachial plexus:
A. Subscapular nerve
B. Musculocutaneous nerve
C. Long thoracic nerve
D. Lateral pectoral nerve
C. Long thoracic nerve
The following statements
describe the anterior compartment on the leg’s anterolateral side between thei tibia & fibula, EXCEPT:
A. The tibialis anterior, extensor hallucis longus & the extensor digitorum longus inserts into this compartment
B. The anterior fascia, posterior tibia, fibula & interosseous ligament render it inflexible & unyielding
C. If the structures are tight & intractable & if the palpation elicits tenderness,
there is evidence of an anterior
compartment syndrome
D. Because of its inability to expand, swelling in the anterior compartment can create foot drop or anterior compartment syndrome
E. Necrosis of the muscles, nerves & vessels may result from pathology that may causes swelling within the anterior compartment
A. The tibialis anterior, extensor hallucis longus & the extensor digitorum longus inserts into this compartment
The ulnar nerve innervates the following structures, EXCEPT:
A. All interossei
B. Medial half of the FDP
C. Adductor Pollicis
D. Palmaris longus
E. All hypothenar
D. Palmaris longus
These muscle mainly flex the interphalangeal joint:
A. Flexor digitorum profundus & flexor pollicis longus
B. Flexor digitorum superificialis & flexor carpi ulnaris
C. Lumbricals & flexor longus
D. Lumbricals
E. Flexor digitorum superficialis & Lumbricals
A. Flexor digitorum profundus & flexor pollicis longus
Receives the weight of the body when one sits up straight:
A. Inferior ramus
B. Ischial tuberosity
C. Lesser sciatic notch
D. Spine of ischium
B. Ischial tuberosity
Bound by these tendons, they comprise the anatomical snuffbox:
A. Extensor pollicis longus, Abductor pollicis longus, & Extensor pollicis brevis
B. Extensor digitorum communis, extensor indicis proprius,
Extensor carpi radialis
C. Abductor pollicis longus, Abductor pollicis brevis & extensor indicis proprius
D. Extensor pollicis longus, extensor indicis proprius & Extensor pollicis brevis
E. Extensor carpi ulnaris, Extensor digitorum communis &
Extensor pollicis brevis
A. Extensor pollicis longus, Abductor pollicis longus, & Extensor pollicis brevis
A patient points to lateral aspect of the thigh as his source of pain; This may indicate that underlying problem may be due to:
A. Rheumatoid arthritis
B. Trochanteric bursitis
C. Gluteal bursitis
D. Sacroiliac stenosis
E. Lumbar spinitis
B. Trochanteric bursitis
The following statements describe the /triceps brachii, EXCEPT:
A. The long head may help also in extending the shoulder joint
B. The long & lateral heads lie side by side & together areas comparable to the biceps
C. Of the 3 heads, only the long head arises from the scapula
D. it acts in a lever system of the 2nd class but its lever arm is extremely short
E. The medial head has fleshly origin from the back of the shaft similar to the brachialis
D. it acts in a lever system of the 2nd class but its lever arm is extremely short
The following characterizes the patella, EXCEPT:
A. Lateral dislocation is resisted by the lateral lip of the trough
being projected forwards
B. It maintains a constant relationships with the fibula as the
knee is flexed
C. Its posterior surface is articular since it lies in front of the
expanded lower end of the femur
D. It is easily dislocated medially duebto the powerful extensors of the knee that pull obliquely and chiefly from the lateral side of the thigh
E. Enhances the power of knee extensors by increasing the leverage of that muscle
D. It is easily dislocated medially duebto the powerful extensors of the knee that pull obliquely and chiefly from the lateral side of the thigh
The following statements are true of the tibialis posterior, EXCEPT:
A. Innervated by the tibial nerve
B. The most deeply situated muscle of the calf
C. Inverts & supinates of the subtalar joint only in dorsiflexion
D.Inverts & assists in ankle plantar flexion
C. Inverts & supinates of the subtalar joint only in dorsiflexion
This ligament, in accompany the supraspinatus muscle, prevents the downward dislocation of the humeral head:
A. Glenohumeral
B. Coracoacromial
C. Coracoclavicular
D. Biceps
E. Coracohumeral
E. Coracohumeral
