GA exam quiz questions
The radial collateral ligament fuses with the: A. annular ligament of the radius B. Tendon of the trciep C. ulnar collateral ligament D. Tendon of the Bicep
A. Annular ligament of the radius
A 10-year-old boy falls off his bike, has difficulty in moving his shoulder, and is brought to an emergency department. His radiogram and angiogram reveal fracture of the surgical neck of his humerus and bleeding from the point of the fracture. Which of the following nerves is most likely injured as a result of this accident? A. Axillary B. Median C. Musculocutanous D. Ulnar E. Radial
A. Axillary
A young man is brought to the emergency department after being mugged. He was stabbed in the shoulder after refusing to give his wallet to his assailant. If the stab wound lacerated the posterior humeral circumflex artery passing through the quadrangular space on the shoulder region, which of the following nerves might be injured? A. Axillary nerve B. Radial nerve C. Thoracodorsal nerve D. Suprascapular nevre E. Accessory nerve
A. Axillary nerve
Name the muscles that will not be involved if the musculocutaneous nerve is severed; A. Brachioradialis B. Biceps Brachii C. Brachialis D. Coracobrachialis
A. Brachioradialis
A large dog knocked down a 79-year-old woman. Trying to ease her fall, she outstretched her upper limb. When she sat up, she noticed that her "wrist" (distal forearm) was deformed and very painful. She was taken to a hospital where the orthopedic surgeon said she had a Colles fracture. Which of the following statements about a Colles fracture is correct? A. It is a fracture of the distal end of the radius B. It is fracture of distal ulna C. The fracture commonly results from forced flexion of the hand D. In this fracture the distal end of the radius is located distal to that of the ulna E. The distal fragment of the fractured bone is displaced anteriorly
A. It is a fracture of the distal end of the radius
A 16-year-old boy fell from a motorcycle, and his radial nerve was severely damaged because of a fracture of the midshaft of the humerus. Which of the following conditions would most likely result from this accident? A. Loss of wrist extension leading to wrist drop B. Weakness in pronating the forearm C. Sensory loss over the ventral aspect of the base of the thumb D. Inability to oppose the thumb E. Inability to abduct the fingers
A. Loss of wrist extension leading to wrist drop
A 38-year-old homebuilder was involved in an accident and is unable to supinate his forearm. Which of the following nerves are most likely damaged? A. Radial and musculocutaneous B. Axillary and radial C. Suprascapular and axillary D. Median and ulnar E. Musculocutaneous and median
A. Radial and musculocutaneous
A 14-year-old boy falls on his outstretched hand and has a fracture of the scaphoid bone. The fracture is most likely accompanied by a rupture of which of the following arteries? A. Radial artery B. Brachial artery C. Ulnar artery D. Deep palmar arterial arch E. Princeps pollicis artery
A. Radial artery
You are working in the ED treating a 34-year-old patient who was in a knife fight and has a wound under his right axilla. He seems unable to fully abduct his arm above horizontal. When you ask him to press against the wall you notice that he has a "winged scapula". Which muscle is likely paralyzed? A. Serratus anterior B. Pectoralis major C. Rhomboid major D. Trapezius E. Latissimus dorsi
A. Serratus anterior
An 18-year-old boy involved in an automobile accident presents with arm that cannot abduct. His paralysis is caused by damage to which of the following nerves? A. Suprascapular and axillary B. Axillary and musculocutaneous C. Suprascpaular and dorsal scapular D. Thoracodorsal and upper subscapular E. Radial and lower subscapular
A. Suprascapular and axillary
As a result of chronic stress associated with an intense high school weight-lifting program, a 15-year-old boy suffers an avulsion fracture of the greater tubercle of the humerus. In the ER, he displays difficulty initiating abduction of the upper limb. Which of the following muscles was involved in this fracture? A. Supraspinatus B. Long head of biceps brachii C. Long head of triceps D. Subscapularis E. Infraspinatus
A. Supraspinatus
You are treating a patient in the ED with a fracture of the proximal end of the humerus. Most of these fractures occur at which of the following? A. Surgical neck B. Lessor trochanter C. Anatomical neck D. Greater trochanter E. Deltoid tuberosity
A. Surgical neck
The inferior edge of the _____ marks the start of the brachial artery. A. Teres major B. Teres minor C. Subscapularis D. infraspinatus
A. Teres major
Following a radical mastectomy procedure, a surgeon plans to conduct a breast reconstruction utilizing a latissimus dorsi muscle flap. What nerve will the surgeon need to keep intact during the surgical dissection of the chest wall to prevent atrophy of the muscle flap? A. Thoracodorsal nerve B. Long thoracic nerve C. Intercostobrachial nerve D. Medial pectoral nerve E. Axillary nerve
A. Thoracodorsal nerve
The victim of an automobile accident has a destructive injury of the proximal row of carpal bones. Which of the following bones is most likely damaged? A. Triquetrum B. Capitate C. Hamate D. Trapezium E. Trapezoid
A. Triquetrum
Your 25-year-old patient has a fracture of the hook of her hamate bone. She is also showing a decrease in grip strength. You are concerned about damage to which of the following nerves? A. Ulnar B. Radial C. Median D. Anterior interosseous E. Posterior interosseous
A. Ulnar
Which of these is true of the humerus: A. The anatomical neck marks the attachment of the glenohumeral joint capsule B. the anatomical neck is a common site of fracture than the surgical neck C. the bicipital groove houses the tendon of the short head of the biceps brachii D. The radial groove is closely associated with the bicep brachii
A. the anatomical neck marks the attachment side of the glenohumeral joint capsule
A 38-year-old baseball pitcher felt a sharp pain in his shoulder when he threw the ball very hard. After a visit by the pitching coach, he threw another pitch but he told the catcher that the pain was unbearable. He left the game and went to the dressing room where he was examined by the team's orthopedic surgeon, who detected tenderness near the greater tubercle of the humerus. An MRI taken the next day revealed a tear in the pitcher's rotator cuff. Which of the following statements is most likely based on this finding? A. acute rupture of the subscapular tendon B. Acute rupture of the supraspinatus part of the rotator cuff C. Acute tear of latissimus dorsi tendon D. Acute tear of teres major tendon
B. Acute rupture of the supraspinatus part of the rotator cuff
The traditional radical mastectomy includes removal of the pectoralis major muscle. Which of the following movements is most affected postoperatively by this surgical procedure? A. Extension of the arm B . Adduction of the arm C. Depression of the arm D. Abduction o the arm E. Lateral rotation of the arm
B. Adduction of the arm
Proximal radio-ulnar joint and distal radio-ulnar joint A. Articular disc and annular ligament B. Annular ligament and articular disc C. Median nerve and axillary nerve D. Radial collateral ligament and ulnar collateral ligament
B. Annular ligament and articular disc
Using Hilton's law, which of these nerves does not supply the elbow: A. Musculocutaneous B. Axillary C. Radial D. Ulnar
B. Axillary
If the axillary nerve is damaged, which of the following clinical conditions might be oberved as a result of this damage? A. Absence of external rotation of the arm B. Deltoid atrophy C. Supraspinatus weakness D. Weak adduction and internal rotation of the arm
B. Deltoid atrophy
A 45-year-old secretary experienced "pins and needles" sensations (paresthesia) and pain in her right hand during the night. These sensations involved the palmar surface of her thumb and the lateral two and a half fingers. Her colleagues told her that she probably has carpal tunnel syndrome. Her family physician confirmed that this was the condition she was experiencing. She also told the physician that she was having some difficulty typing. On further examination, the physician detected some weakness of her right thenar muscles when compared with the left side. Otherwise motor functions were unimpaired currently. Which of the following statements best describes the most likely cause of the paresthesia experienced by the secretary? A. Compression of the ulnar nerve B. Distal (carpal) compression of the median nerve C. Proximal trauma to the median nerve D. injury of the radial nerve in the arm E. Compression of the radial artery at the wrist
B. Distal (carpal) compression of the median nerve
Injury to the ulnar nerve and artery can develop when a fracture occurs to which of the following bones? A. Distal radius B. Hamate C. Scaphiod D. Ulnar styloid
B. Hamate
Which of the following bones articulates with the 4th and 5th meatcarpals? A. Capiate B. Hamate C. Lunate D. Pisiform
B. Hamate
The distal extension of the musculocutaneous nerves: A. medial cutaneous nerve of the forearm B. lateral cutaneous nerve of forearm C. Lateral cord of brachial plexus D. Axillary nerve
B. Lateral cutaneous nerve of forearm
Which of the following anatomical regions would be the best place to assess the C5 level dermatone neurologically? A. Axillay folds B. Lateral epicondylar area C. Medial epicondylar area D. Middle finger
B. Lateral epicondylar area
From the list below of the anatomical structures that have nerves in direct contact, please identify the INCORRECT one. A. Anterior distal end of humerus - Median B. Lateral epicondyle - Ulnar C. Quadrangular space - Axillary D. Shaft of humerus - Radial
B. Lateral epicondyle - Ulnar
A 65-year-old man is brought to the emergency room after being attacked in his office by a disgruntled co-worker. The attacker reportedly used a long, narrow-bladed letter-opener to inflict multiple stab wounds to the man's back. Physical examination shows a puncture wound in the posterior axillary fold. The patient presents with weakness in extension, adduction, and medial rotation of his arm. Which of the following muscles is most likely cut in this injury? A. Teres minor B. Latissimus dorsi C. Levator scapulae D. Pectoralis minor E. Seratus anterior
B. Latissimus dorsi
You are about to insert a catheter into the vein of your 33-year-old patient that runs diagonally across the anterior surface of the elbow joint (cubital fossa). What is this vein? A. Cephalic B. Median cubital C. Basilic D. Median antebrachial E. Brachial
B. Median cubital
A 17-year-old boy is taken to the emergency room after being struck on the lateral aspect of the left shoulder by a baseball bat during a gang fight. Examination reveals a fracture of the surgical neck of the left humerus, displaced bone fragments piercing the quadrangular space of the shoulder, and deep blood accumulation around the fracture. Which of the following blood vessels was most likely severed? A. Subscapular artery B. Posterior circumflex humeral artery C. Profunda brachii artery D. Circumflex scapular artery E. Cephalic vein
B. Posterior circumflex humeral artery
Name the nerve that powers the entire posterior arm when in the anatomical position; A. Median B. Radial C. Unlar D. Musculocutaneous
B. Radial
Which of the following anatomical features is clinically important with a fractured distal radius and/or ulna? A. Dorsal tubercle of the radius is medial to the ulnar styloid process B. Radial styloid process is larger than the ulnar styloid process and extends farther C. Radial styloid process is on the medial aspect of the distal end of the radius D. Ulnar styloid process is larger than the radial
B. Radial styloid process is larger than the ulnar styloid process and extends farther
A patient comes in with a gunshot wound and requires surgery in which his thoracoacromial trunk needs to be ligated. Which of the following arterial branches would maintain normal blood flow? A. Pectoral B. Superior thoracic C. Deltoid D. Acromial E. Clavicular
B. Superior thoracic
A brachial plexus nerve with no branches to either the anterior or posterior brachium muscles A. Radial B. Ulnar C. Musculocutraneous D. All of these feed brachial muscles
B. Ulnar
Which of these does not attach to the coracoid process of the scapula; A. pectoralis minor B. long head of bicep brachii C. coracobrachialis D. short head bicep brachii
B. long head of bicep brachii
Which of these is true of the humerus: A. the capitulum articulates with the cornooid of the ulna B. The trochlea articulates primarily with the proximal ulna C. the supra-epicondylar ridge is associated with the proximal ulna D. The deltoid tuberosity of the shaft extends medially off the bone
B. the trochlea articulate primarily with the proximal ulna
You are treating a 37-year-old male wrestler who dislocated his glenohumeral joint. He now also has some loss of sensation over the lateral side of his proximal arm. You are concerned that he may have sustained damage to which of the following nerves? A. Spinal accessory B. Thoracodorsal C. Axillary D. Dorsal Scapular E. Long thoracic
C. Axillary
A 17-year-old male football player suffers a shoulder injury and arrives at the ER 2 hours after the injury. The physician diagnoses a shoulder dislocation, and after administration of a local anesthetic solution, the doctor repositions the head of the humerus into the glenoid cavity of the scapula (reduction). No fractures are seen on X-rays. However, the patient displays weakness in abduction and external rotation at the shoulder. A loss of sensation is also noted at the superior and lateral aspects of the arm. What nerve was most likely damaged in this injury? A. Ulnar nerve B. Musculocutaneous nerve C. Axillary nerve D. Median nerve E. Radial nerve
C. Axillary nerve
A biomedical engineer would like to reconstruct the arm of a boy who underwent amputation to treat a life-threatening infection. In designing the prosthetic arm, the engineer will need to know that which of the following muscles flexes the elbow and is innervated by the radial nerve? A. Flexor digitorum longus B. Brachialis C. Brachioradialis D. Extensor digitorum longus E. Biceps brachii
C. Brachioradialis
The physical therapist is testing the action of one of your patient's muscles by bringing the patient's upper limb away from her side and then asking the patient to abduct against resistance. What is the muscle being tested? A. Pectoralis major B. Pectoralis minor C. Deltoid D. Latissimus dorsi E. Serratus anterior
C. Deltoid
A 21-year-old man celebrating his birthday gets a little carried away with his friends and starts a bar fight. He is stabbed with a knife that severs the roots of C5 and C6 of the brachial plexus. Which of the following muscles is likely to be paralyzed? A. Flexor carpi ulnaris B. Palmar interossei C. Infraspninatus D. Abbductor pollicis E. Palmaris brevis
C. Infraspinatus
The anterior compartment arm muscles are innervated by which part of the brachial plexus; A. Radial nerve B. Medial cord C. Lateral cord D. Axillary nerve
C. Lateral cord
An 18-year-old boy is cut severely on the lateral wall of his right chest during a knife fight. Following healing, his scapula moves away from the thoracic wall when he leans on his right hand. Which of the following nerves is likely damaged? A. Axillary nerve B. Thoracodorsal nerve C. Long thoracic nerve D. Dorsal scapular nerve E. Suprascapular nerve
C. Long thoracic nerve
Which nerve can become entrapped in the carpal tunnel; A. Ulnar B. Radial C. Median D. Lateral brachial cuntaneous
C. Median
A 42-year-old woman presents to an outpatient clinic with a 6-month history of numbness and tingling on the palmar aspect of her lateral three and one-half fingers, loss of pronation, and flattening of the thenar eminence. Injury to which of the following nerves could cause such a condition? A. Axillary nerve B. Mucsulocutaneous nerve C. Median nerve D. Radial nerve E. Ulnar nerve
C. Median Nerve
"Pronator teres syndrome" is a condition in which one of the following nerves is excessively compressed where it passes between the two heads of the pronator teres muscle. Which of the following nerves is entrapped? A. Deep branch of radial nerve B. Deep branch of ulnar nerve C. Median nerve D. Superficial branch of ulnar nerve E. Musculocutaneous nerve
C. Median nerve
The secretary of a rather verbose academic physician in internal medicine complains of numbness and tingling in her hands and fingers. She is constantly typing long patient visit dictations and now has carpal tunnel syndrome, which is due to compression of which of the following structures? A. Ulnar nerve B. Flexor carpi radialis tendon C. Median nerve D. Palmaris longus tendon
C. Median nerve
The ulnar nerve innervates _______________. A. Abductor pollicis brevis B. Part of flexor digitorum superficialis C. Part of flecpr digitorum profundus D. Extensor digitorum E. Flexor carpi radialis
C. Part of flexor digitorum profundus
What type of joint is found in the bones of the carpal region (intercarpal joints) and what type of movement is observed between them? A. Condyloid joints, biaxial movement B. Hinge joint, flexion-extension C. Plane joints, gliding movement D. Pivot joint, rotation
C. Plane joints, gliding movement
The posterior cord of the brachial plexus is formed by the ________________. A. Inferior 3 roots B. Anterior divisions of all 3 trunks C. Posterior division of all 3 cords D. Lateral contribution from the superior trunk and the medial contribution from the inferior trunk
C. Posterior division of all 3 cords
A 22-year-old woman professional soccer player falls hard onto her outstretched right hand during a game, injuring her wrist. Manipulation of the wrist during postgame physical examination by the team physician elicits deep pain in the anatomical snuffbox. Follow-up radiographs will most likely reveal a fracture of which of the following bones? A. Base of the fifth metacarpal B. Hamate C. Scaphoid D. Head of the radius E. Pisiform
C. Scaphoid
You are examining the hand of a patient after a fall in which she landed on her outstretched hand. When you palpate deeply in the floor of the anatomical snuff box, you are most likely feeling which of the following? A. Capitate B. Radial styloid process C. Scaphoid D. Lunate E. Pisiform
C. Scaphoid
The radial nerve: A. is posterior to the lateral epicondyle in the cubital fossa B. is lateral to the median nerve in the cubital fossa C. should be associated with extension D. arises with the median nerve from the lateral and medial cords
C. Should be associated with extension
Which muscle attaches to the lesser tubercle of the humerus; A. Supraspinatis B. Pec minor C.Subscapularis D. Infraspinatis
C. Subscapularis
A 35-year-old left-handed baseball pitcher experiences a severe spasm of pain while abducting his left arm in beginning to throw a pitch, and is unable to continue playing. Subsequently, he cannot initiate abduction of the left arm. However, if that arm is passively elevated through the first 15° of abduction, he can complete bringing the arm up to a right angle. The tendon of which of the following muscles is most likely torn? A. infraspinatus B. Subscapularis C. Supraspinatus D. Teres major E. Teres minor
C. Supraspinatus
Which of the spinal nerves provides innervation for the intrinsic muscles of the hand? A. C6 B. C7 C. T1 D. T2
C. T1
A patient has a torn rotator cuff of the shoulder joint as the result of an automobile accident. Which of the following muscle tendons is intact and has normal function? A. Supraspinatus B. Infraspinatus C. Teres Major D. Subscapularis E. Teres Minor
C. Teres Major
Which of the following structures is formed by the coronoid and the olecranon? A. Radial notch B. Supinator fossa C. Trochlear notch D. Ulnar tuberosity
C. Trochlear notch
A 57-year-old woman presents with increasing numbness of the fourth and fifth digits on her right hand. On examination, it is noticed that she has a wasted hypothenar eminence, inability to abduct the thumb, and a characteristic claw hand. Which of the following nerves has most likely been injured? A. Axillary nerve B. Anterior interosseous nerve C. Ulnar nerve D. Radial nerve E. Median nerve
C. Ulnar
The ulnar nerve; A. is lateral to the olecranon B. innervates muscles of the brachium (arm) primarily C. is posterior to the medial epicondyle of the humerus D. innervates most of the flexors of the antebrachium
C. is posterior to the medial epicondyle of the humerus
These two run together A. middle collateral artery - humeral nutrient artery B. humeral nutrient artery - inferior ulnar collateral artery C. profunda brachii artery - radial nerve D. the median cubital vein runs deep to the median nerve
C. profunda brachii artery - radial nerve
Why is it unlikely that the brachial artery and the median receive damage during venipuncture: A. the transerve humeral retinaculum B. the radial groove C. the bicipital aponeurosis D. the median cubital vein runs deep to the median nerve
C. the bicipital aponeurosis
Which of these is true of the tricep muscle: A. the short head attaches to the olecranon of the radius B. the long head is the strongest as it attaches to the spine of the scapula C. the medial head has the most extensive humeral attachment D. the lateral head is the longest of the 3 heads attaching to the rim of the glenoid cavity
C. the medial head has the most extensive humeral attachments
A 3-year-old girl is brought to the emergency room holding her right arm with the elbow flexed and the forearm pronated. She refuses to move her arm and complains her elbow "hurts a lot." Her mother reports they were holding hands and running in the park when the child tripped. The mother pulled on the child's hand to prevent her from hitting the ground. Given the nature of this injury and the age of the patient, what structure is most likely damaged? A. Radial collateral ligament of elbow B. Quadrate ligament C. Interosseous membrane of forearm D. Annular ligament of radius E. Ulnar collateral ligament of elbow
D. Annular ligament of radius
Your 56-year-old patient is showing weak wrist flexion. Weakness in which of the following muscles would not be expected to be associated with any wrist flexion weakness? A. Flexor carpi radialis B. Flexor digitorum superficialius C. Flexor carpi ulnaris D. Brachioradialis E. Flexor digitorum profundus
D. Brachioradialis
Yergason's test is a test for which a positive sign is likely to indicate rupture of the transverse humeral ligament. Such a rupture would be associated with which of the following? A. Rupture of the bicipital aponeurosis B. Subacromial Bursitis C. Avulsion of the coracoid process D. Dislocation of the tendon of the long head of the biceps brachii E. Tear of the glenoid labrum
D. Dislocation of the tendon of the long head of the biceps brachii
How is the hand typically positioned to cause a boxer's fracture? A. Extended hand with internal rotation B. Extension of the thumb and hand flexed in ulnar deviation C. Flexion of the hand at the MCP joints and adduction D. Flexion of the MCPs and IP joints and abductions of the hand
D. Flexion of the MCPs and IP joints and abductions of the hand
Young Johnny was playing on the playground at school when he fell and struck his arm against the swing set. He ran to the school nurse, complaining of which of the following conditions as a result of injuring the radial nerve in the spiral groove of the humerus? A. Inability to oppose the thumb B. Weakness in pronating the forearm C. Weakness in abducting the arm D. Inability to extend the hand E. Numbness over the medial side of the forearm
D. Inability to extend the hand
Which of these is true of the bicep brachii; A. the tendon of the long head does not pass through the glenohumeral joint cavity B. its main nerve supply is the radial nerve C. it is a powerful flexor with the arm in the pronated position D. its attachment to the bicipital aponeurosis lies anteriorly superficial to the brachial artery
D. Its attachment to the bicipital aponeurosis lies anteriorly superficial to the brachial artery
A 42-year-old woman decided she wanted to learn how to play tennis. After she had practiced daily for about three weeks, she began to experience pain over the lateral region of her elbow. Her coach asked her to hold the tennis racket and extend her hand at the wrist. She felt no pain until he resisted the extension of her hand. When he asked her to pinpoint the site of the pain, she put her finger on her lateral epicondyle. Which of the following statements best describes the most likely cause of her elbow pain? A. Avulsion of the lateral epicondyle of the elbow B. Calcification of tissues around the lateral epicondyle C. Rupture of the common extensor tendon D. Lateral epicondylitis of the elbow E. Bursitis in the subcutaneous olecranon bursa
D. Lateral epicondylitis of the elbow
Your young patient is interested in becoming the "chin-up" champion of his school. You instruct him that the muscle most important to develop to achieve his goal is which of the following? A. Deltoid B. Serratus anterior C. Trapezius D. Latissimus dorsi E. Levator scapulae
D. Latissimus dorsi
A 36-year-old plumber slips and breaks a porcelain sink, cutting an anterior aspect of his wrist deeply on a sharp edge. On arrival to the emergency department, he can adduct his thumb but not oppose it. Which of the following structures has been severed? A. Posterior interossseous nerve B. Anterior interosseous nerve C. Ulnar nerve D. Median nerve E. Radial nerve
D. Median nerve
Which band of the ulnar collateral ligament is most likely torn in a "Tommy John" injury: A. Anterior B. Oblique C. Lateral D. Posterior
D. Posterior
On which of the following structures can ulnar be found and easily palpated? A. Cubital fossa B. Anterior to medial epicondyle C. Posterior to lateral epicondyle D. Posterior to medial epicondyle
D. Posterior to medial epicondyle
A 21-year-old male college student reports to the student health clinic on Monday morning, the day after the Super Bowl. He explains that he was intoxicated and lost consciousness with his upper limbs draped over the back of a couch. He complains of numbness and paresthesia over the dorsum of his hand on the radial side and is unable to support the weight of his left hand when the hand is placed in a pronated position. What nerve was most likely damaged in this individual? A. Axillary nerve B. Median nerve C. Ulnar nerve D. Radial nerve E. Musculocutaneous nerve
D. Radial nerve
Lesion of the dorsal scapular nerve will have the greatest affect on the ____________. A. Abduction of the humerus B. Sensation over the shoulder C. Elevation of the clavicle D. Retraction of the scapula E. Sensation over the anterior arm
D. Retraction of the scapula
Which of these provides the most blood to the medial peri-articular arterial anatomizing system: A. Profunda Brachii B. Radial Collateral C. Middle Collateral D. Superior Ulnar Collateral
D. Superior ulnar collateral
The greater tubercle attaches all of the following except: A. Supraspinatus B. Infraspinatus C. Teres Minor D. Teres Major
D. Teres Major
A 17-year-old boy comes to the emergency room after a hard fall onto the lateral aspect of his left shoulder during a high school basketball game. He complains of generalized pain during shoulder motion. On physical examination, the distal end of the clavicle is prominent and distinctly palpable. Radiological findings confirm the diagnosis of a severe (grade 3) shoulder separation. Which of the following features is a component of this condition? A. Dislocated head of the humerus B. Torn anterior glenohumeral (GH) ligament C. Dislocated sternal end of the clavicle D. Torn coracoclavicular ligament E. Fractured clavicle
D. Torn coracoclavicular ligament
The brachialis muscle has its distal attachemtn on which of the following structures? A. Radial notch B. Radial tuberosity C. Ulnar shaft D. Ulnar tuberosity
D. Ulnar tuberosity
Bursa protecting the bicep tendon A. intratendonus olecranon B. subtendinous olecranon C. bicipitonular D. bicipitoradial
D. bicipitoradial
If the brachial artery is clamped inferior to the profunda brachii artery then ____: A. necrotic tissue will develop in the antebrachium after 6 hours B. necrotic tissue will develop in the antebrachuim in less than 6 hours C. blood flow to the cubital fossa and antebrachium would cease D. blood flow to the cubital fossa would still be possible
D. blood flow to the cubital fossa would still be possible
Match up the respective nerves that power tha actions of pronation and supination A. radial nerve - median nerve B. radial nerve - musculocutaeous C. axillary nerve- median nerve D. median nerve - musculocutaneous
D. median nerve - musculocutaneous
Which of these correctly couples compartments of the arm with muscle: A. posterior - brachialis B. anterior- tricep C. posterior - bicep brachii D. posterior - anconeus
D. posterior - anconeus
What would you instruct the patient to do in order to test the brachialis: A. pronate the arm and extend against resistance B. supinate the arms and extend the resistance C. push hand against resistance D. semipronate arm and flex against resistance
D. semipronate arm and flex against resistance
The lateral cord of the brachial plexus is named because it lies immediately lateral to which of the following structures? A. Long head of the biceps brachii muscle B. Surgical neck of the humerus C. Pectoralis minor muscle D. Subclavian vein E. Axillary artery
E. Axillary artery
A 64-year-old man with a history of liver cirrhosis has been examined for hepatitis A, B, and C viruses. In an attempt to obtain a blood sample from the patient's median cubital vein, a registered nurse inadvertently procures arterial blood. The blood most likely comes from which of the following arteries? A. Common interosseous B. Ulnar C. Radial D. Superior ulnar collateral E. Brachial
E. Brachial
During a breast examination of a 56-year-old woman, the physician found a palpable mass in her breast. Which of the following characteristics of breast cancer and its diagnosis is correct? A. Polymastia B. Enlargement of the breast C. Elevated nipple D. Shortening of the claviperctoral fascia E. Dimpling of the overlying skin
E. Dimpling of the overlying skin
The musculocutaneous nerve continues into the forearm as the _______________. A. Posterior cutaneous nerve of the arm B. Lateral cutaneous nerve of the arm C. Posterior cutaneous nerve of the forearm D. Medial cutaneous nerve of the arm E. Lateral cutaneous nerve of the forearm
E. Lateral cutaneous nerve of the forearm
A 20-year-old man fell from the parallel bar during the Olympic trial. A neurologic examination reveals that he has a lesion of the lateral cord of the brachial plexus. Which of the following muscles is most likely weakened by this injury? A. Teres minor B. Subscapularis C. Latussimus dorsi D. Teres major E. Pectoralis major
E. Pectoralis major
A 33-year-old tennis player initially experienced vague pain in the anterior region of her glenohumeral joint during a game. Then, she had the sensation of something popping during her third set. During the preliminary examination by her trainer, he noted tenderness over the intertubercular groove in the humerus, flexion and supination weakness of the forearm, and an abnormal bulge in the distal part of the anterior part of her arm. Radiographs of the shoulder and arm did not reveal skeletal abnormalities. Which of the following statements best describes the most likely cause of the symptoms and signs in this case? A. Rupture of the long head of the triceps brachii tendon B. Rupture of the tendon of the short head of the biceps C. Rupture of the subscapularis tendon D. Avulsion of the supraglenoid tubercle of the scapula E. Rupture of the tendon of the long head of the biceps
E. Rupture of the tendon of the long head of the biceps
The pectoralis minor muscle is an important landmark in identifying and describing neighboring structures in the chest and axillary regions. Which of the following relationships of the pectoralis minor is correct? A. The clavipectoral triangle lies lateral to the muscle B. The lateral cord of the brachial plexus lies lateral to the muscle C. The anterior axillary lymph nodes lie along the medial border of the muscle D. The lateral wall of the axillary fossa includes the muscle E. The second part of the axillary artery lies deep to the muscle
E. The second part of the axillary artery lies deep to the muscle
A 31-year-old professional baseball pitcher suffers a torn medial collateral ligament of the elbow in his throwing arm. Two weeks later, he undergoes "Tommy John surgery," in which the tendon of the palmaris longus muscle is transplanted into the elbow to reconstruct the damaged ligament. During the operative procedure, the surgeon must be keenly aware of the close relationship of which of the following structures to the medial collateral ligament? A. Cephalic vein B. Brachial artery C. Ulnar artery D. Radial nerve E. Ulnar nerve
E. Ulnar nerve
