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Mash GA I Quiz 3 A
Mash GA I Quiz 3 with all 247 questions
| Question | Answer |
|---|---|
| (A) What nervous component(s) if any would escape injury? (B)As the depth of the laceration increased, what nervous component was cut first? | (A) Superficial branch of the radial nerve (B) Ulnar nerve |
| 3 letter classification (eg. SVA) given to the neurons located in the anterior horn of the spinal cord. | GVE |
| A baseball batter of thin build was severly hit by a wild pitch in the posterolateral aspect of the upper arm about midway up. What nerve would be checked for possible injury? Now breifly explain how you would perform the check. | Radial Nerve, Check loss of function in: Triceps, Anconeous, Extensors of the Forearm. Could also check for loss of sensation in the Posterior Lateral Portion of the hand. |
| A muscle which inserts on the coracoid process of the scapula. | Pectoralis Minor |
| A patient presents a "pulled elbow" specifically the Head of the radius has been pulled through its surrounding ligament. Give specific ligamentous damage. | Annular Ligament |
| A patient presents a sprained wrist caused by hyperextension. Give specific ligament damage | Palmar radiocarpal ligament palmar ulnarcarpal ligament |
| a retractor of the scapula innervated by the dorsal scapular nerve | rhomboids |
| abductors of wrist | flexor carpi radialis and extensor carpi radialis longus |
| action of anconeus | extension of elbow |
| action of corcobrachialis | flexion and adduction of humerus |
| Action of extensor carpi ulnaris. | Extends & Adducts the wrist |
| action of extensor digitorum | extention of wrist and extendtion of 4 fingers at interphalangeal and metacarpal joints (IP, MP) |
| Action of extensor indicis. BE SPECIFIC | Extension of the index finder at MP joint, assists extension of wrist |
| Action of infraspinatus muscle. | Lateral Rotation & Extension of Humerus |
| Action of Latissimus dorsi. | Adduction, medial/downward rotation of scapula, extension of the humerus, assists depression of scapula |
| Action of Levator Scapulae. | Elevation, Medial Downward Rotation of the Scapula |
| Action of LOWER trapezius. | Depression & Upward rotation of scapula |
| Action of lumberical muscles | flexion of MP joint, extension of IP joints |
| Action of mentalis. | Protrudes Lower Lip & Wrinkles Skin on Chin |
| Action of palmaris brevis | Tenses skin on the ulnar side, aids grip |
| Action of pas alaris of nasalis. | Widens the nostrils |
| Action of pectoralis major m., sternal head and clavicular head | extension of humerus, flexion of humerus |
| Action of Rhomboid muscles. | Retraction and downward rotation of the scapula |
| Action of serratus ANTERIOR muscle | Protraction, upward rotation of scapular, stabilizes scapula against chest wall |
| Action of serratus POSTERIOR inferior. | Pulls ribs Outward Conteracting the Inward Pull of the Diaphragm During Expiration |
| Action of subscapularis. | Medial Rotation of Humerus, Adduction of Humerus |
| Action of temporopariatalis muscle. | Tightens Scalp |
| Action of teres MAJOR muscle. | Extention, Medial Rotation, Adduction of the Humerus |
| Action of the biceps brachii. | Supination of forearm, flexion of elbow, flexion of humerus (short head) |
| Action of the Rhomboids. | Retraction, Downward Rotation of Scapula |
| Action the only following parts of the pectoralis major muscle can perform (sternal vs. clavicular) | SternalCostal Origin: Extension of humerus Clavicular Origin: Flexion of Humerus |
| Alternate name for specifically the C3 dorsal ramus (posterior primary division) | The 3rd Occipital Nerve |
| Alternate name for the inferior root of the ansa cervicalis. | Descendens Cervicalis |
| Alternate name for the superior root of the ansa cervicalis. | Descendens Hypoglossi |
| An anterior muscle which causes downward rotation of scapula. | Pectoralis Minor |
| An artery which arises from the 2nd part of the subclavian. | Costocervical Trunk |
| An artery which arises from the 3rd part of the subclavian. | Dorsal Scapular a. |
| Artery that supplies mostly serratus anterior; it also helps to supply subscapularis, axillary lymph nodes, and mammary gland. | Lateral Thoracic Artery |
| Artery that supplies the trapezius and the levator scapulae, but not the rhomboids. | Transverse Cervical Artery |
| Artery that supplies thenar muscles. | Superficial Palmer Branch of Radial Artery |
| Artery which accompanies a branch of the median nerve and supplies the deep flexors of the forearm. | Anterior Interosseous Artery |
| Artery which accompanies the axillary nerve. | Posterior Humeral Circumflex Artery |
| Artery which accompanies the phrenic nerve. | Pericardiacophrenic artery |
| Artery which accompanies the radial nerve of the upper arm. | Profunda Brachii |
| Begining with the brachial artery, make a flow chart showing the course a drop of blood would take to reach the DEEPEST extensor muscles in the forearm. | Brachial Artery -> Ulnar Artery -> Common Interosseous Artery -> Posterior (Dorsal) Interosseous Artery |
| Besides adduction, the action of the coracobrachialis. | Flexion of the Humerus |
| Besides elevation, the action of the levator scapulae. | Medial Downward Rotation of Scapula |
| Besides the biceps brachii, name the flexors of the elbow. | Brachialis, Bracioradialis, Pronator Teres |
| Besides the flexor carpi ulnaris, list 4 muscular components innervated by the ulnar nerve. | Flexor Digitorum Profundus of the two Ulnar fingers, Adductor Pollicis, Hypothenar Muscles (Palmaris Brevis and Abductor, Flexor, and Opponens of Digiti Minimi), Interossei (palmar and dorsal) |
| Besides the superior root of the ansa cervicalis. NAME(no segments) the other 2 nerves that leave the hypoglossal nerve near its anterior end to supply muscles. | Nerve to geniohyoid and thyrohyoid |
| Bony landmark that best gives the level at which the radial nerve splits into its two main branches. | Lateral Epicondyle of Humerus |
| Bony LANDMARK with which the axillary nerve is associated. | Surgical neck of humerus |
| Branch of the basilar artery supplying the internal ear. | Labyrinthine |
| Carpal tunnel is an osseofirous canal formed by _____and ______ | carpal bones and flexor retinaculum |
| Common origin of the extensors located in the forearm. | Lateral Epicondyle of the Humerus (common extensor tendon |
| Consider the major nerves and all SPECIFIC branches crossing the wrist joint (anteriorly or posteriorly) to enter the hand. Next consider a deep (to the bone) laceration completely across the lower ANTERIOR wrist. | superficial branch of radial nerve, ulnar nerve |
| Considering everything else to be equal, what determines the range of contraction of an unattached muscle? | the length of the fasicles |
| contributes to the dorsal carpal rete (anastomosis on dorsal wrist) | dorsal carpal branch of the ulnar a. |
| DEEP muscle that inserts on the distal anterior radius. | Pronator Quadratus |
| Define the 2nd part of the subclavian artery. (ie.where it is located) | Posterior to Anterior Scalene Muscle |
| describe the insertion of extensor digitorum | via the extensor expansion of the 4 fingers into the base of the 2nd and 3rd phalanges |
| elevators of scapula | levator scapulae and upper trapezius |
| flexors of the wrist | flexor carpi ulnaris, flexor carpi radialis and palmaris longus |
| forms the inf. border of the "triangle of auscultation" | latissimus dorsi |
| Forms the lateral border of the "triangle of auscultation". | Medial border of Scapula |
| Forms the upper border of the "triangle of auscultation. | Trapezius muscle |
| Give specific cord segments that usually form the following: (A) brachial plexus (B) Great auricular nerve | C5-T1:C2,3 |
| Give specific spinal cord segments that usually form the a) tibial nerve, b) iliohypogastic nerve, c) femoral nerve | L4,5, S1,2,3; L1; L2-4 |
| Give specific spinal cord segments that usually form the A. descendens cervicalis B. Supraclavicular Nerves. | C2, C3 : C3,C4 |
| Give specific spinal cord segments that usually form the... A. Sacral Pexus B. Supraclavicular Nerves C. Transverse Cervical Nerve | A. Sacral Plexus:L4-S3 B.Supraclavicular Nerve:C3-C4 C. Transverse Cervical Nerve:C2-C3 |
| Give specific spinal cord segmetns that usually form the following: a) lumbar plexus, b) inferior root of the ansa cervicalis | L1-4, C2,3 |
| Give superior and inferior boundaries of the quadrangular space. | Teres Minor, Teres Major |
| Give the specific spinal cord segments that usually form the following: A. Lumbar Plexus B. Inferior Roots of the ansa cervicalis C. Greater auricular nerve | A. Lumbar Plexus:L1-L4 B. Inferior Roots of Ansa Cervicalis:C2-C3 C. Great Auricular Nerve:C2-C3 |
| gives origin to the common palmar digital aa. | Superficial Palmar Arch |
| helmet-like aponeurosis joinin the frontal and occipital bellies of the occipitaofrontalis muscle | galea aponeurotica |
| horizontal adductors of humerus | anterior deltoid, pectoralis major |
| In detail, describe the insertion of the extensor digitorum muscle. | Via Extensor Expansion 4 fingers, into base of the 2nd & 3rd Phalanges & Inter Phalangeal Joints (PIP & DIP) |
| Injury to any of these spinal nerve roots may affect the function of the ulnar nerve. | C7, C8, T1 |
| Injury to the musculotaneous nerve would affect what muscles? | Biceps Brachii, Coracobrachialis & Brachialis |
| Injury to this specific nerve could produce anaesthesia over the lateral part of the posterior hand and the posterior surface of radial 2 1/2 or 3 1/2 digits over proximal phalanx; no muscles would be affected. | Superficial Branch of the Radial Nerve |
| innervates the superior belly of the omohyoid muscle | c1 dorsal ramus |
| Innervation of the brachialis. | Musculocutaneus Nerve |
| Innervation of the latissimus dorsi. | Thoracodorsal Nerve |
| Innervation of the levator scapulae. | Dorsal Scapular Nerve, Spinal Nerves |
| Innervation of the opponens pollicis | Median Nerve |
| Innervation of the palmaris brevis | Ulnar Nerve |
| Innervation of the pectoralis minor muscle. | Medial Pectoral Nerve |
| Innervation of the pectoralis minor muscle. | Medial Pectoralis Nerve |
| Innervation of the platysma muscle. | Facial Nerve (CN VII) |
| Innervation of the rhomboid muscle. | Dorsal Scapular Nerve |
| Innervation of the serratus anterior muscle. | Long Thoracic Nerve |
| Innervation of the subclavius muscle. | Subclavian Nerve |
| Innervation of the Subscapularis M | Upper and Lower Subscapular Ns. |
| Innervation of the trapezius. | Accessory n. (CNXI) spinal part (motor) C3,4 spinal nn. |
| Innervation of the triceps brachii. | Radial Nerve |
| Insertion of anconeous. | Olecranon Process & Upper Posterior Surface of the Ulna |
| Insertion of extenso carpi radialis brevis | base of the 3rd metacarpal |
| Insertion of extensor carpi radialis | Longus - Base of 2nd Metacarpal; Brevis - Base of 3rd Metacarpal |
| Insertion of extensor carpi radialis brevis | Base of 3rd Metacarpal |
| Insertion of extensor carpi radialis longus. | Base of the 2nd Metacarpal |
| insertion of extensor expansion | 4 phalanges |
| Insertion of extensor expansion | lumbricals of the hand, extensor indicis m., dorsal and plamar interossei; and retinacular ligament |
| Insertion of extensor expansion. | Sides and Shafts of the middle and distal phalanx of the 4 fingers |
| Insertion of extensor pollicis brevis. | Base of Proximal Phalanx of Thumb |
| Insertion of flexor carpi ulnaris. | Pisiform Carpal Bone, Hamate Carpal Bone, Base of 5th Metacarpal |
| Insertion of flexor pollicis longus. | Distal Phalanx of Thumb |
| Insertion of latissimus dorsi. | Bicipital Groove of Humerus |
| Insertion of palmaris longus. | Palmar Aponeurosis & Flexor Retinaculum |
| Insertion of pectoralis minor m. | Coracoid Process of the Scapula |
| Insertion of pronator quadratus | distal 4th of anterior radius |
| Insertion of pronator teres. | Middle Lateral Shaft of Radius |
| Insertion of serratus anterior. | Vertebral Border of Scapula - Anterior Surface |
| Insertion of serratus POSTERIOR inferior | Ribs 8-12 Inferior Border |
| Insertion of Subscapularis M. | lesser tubercle of humerus |
| Insertion of teres minor. | Inferior facet of the greater tubercle of the humerus |
| insertion of trapezius | UPPER: lateral 1/3 of Clavicle and the Acromion of Scapula MIDDLE: Spine of the Scapula LOWER: Root of Spine of Scapula |
| L1 spinal nerve forms the ________ and ________ nerves and contributes to the genitofemoral nerve. | Iliohypogastric Nerve, Ilioinguinal Nerve |
| Ligament of elbow joint that prevents adduction of the joint. | Radial Collateral Ligament |
| Ligament of the shoulder immediately deep to subscapularis tendon; it has superior, middle, and inferior parts; IMPORTANT: It does NOT attach to coracoid process. | Glenohumeral Ligament |
| Ligament that holds the tendon of the long head of the biceps brachii in a groove. | Transverse Humeral Ligament |
| Ligament that medially reinforces the articular capsule of the elbow joint | Ulnar Collateral |
| Ligament torn in hyperadduction of the wrist. | Radial Collateral Ligament |
| Ligament which attaches at the lesser and greater tubercles of the humerus and forms a retinaculum for the tendon of the long head of the biceps brachii. | Transverse humeral ligament |
| Muscle inserting into the styloid process of the radius, it provides flexion of the elbow in the neutral position. | Brachioradialis |
| Muscle that compresses the cheeks as in blowing and mastication. | Buccinator |
| Muscle that draws the scalp posteriorly and raises eyebrows as in the expression of surprise. | Occipital Frontalis |
| Muscle that has a superior attachment to the posterior surface of the lower sternum and an interior attachment to the internal surface of the costal cartilages 2-6. | Transversus Thoracis |
| Muscle that originates below the radial notch on posterior ulna and posterior capsule; it inserts between anterior and posterior oblique lines on anterior surface of proximal radius | supinator m. |
| Muscle that originates from the posterior ulna, radius and interosseous membrane; it inserts into the base of the 1st MC. | Abductor Pollicus Longus |
| Muscle that raises the CORNER of the mouth as in the expression of disdain. | Levator Anguli Oris |
| Muscle that raises the upper lip ONLY. | Levator Labii Superioris |
| Muscle which acts as a PRIMARY fixator during contraction of the deltoid. | Trapezius (Middle & Lower) |
| Muscle which depresses the angle of the mouth producing wrinkles on skin of neck. | Platysma |
| Muscle which inserts into the UPPER lip and moves the upper lip upward and outward | Zygomaticus Minor |
| Muscle which raises upper lip and dilates nares. | Levator Labii Superioris Nasi |
| muscle whose long tendon is often used for tendon repair; it is also sometimes absent | Palmaris Longus |
| Muscle with the origin off lateral epicondyle and insertion on olecranon process. | Aconeous Muscle |
| muscles in the ant. forearm that form the intermediat layer | flexor digitorum superficialis |
| muscles used to draw the scapl posteriorly and raises eyebrows as in the expression of surprise | occipitofrontalis |
| muscles which form rotator cuff | supraspinatus, infraspinatus, teres minior, subscapularis (SITS) |
| Name 2 bursae associated with the superior and/or anterior part of the shoulder joint. | Subclavicular Bursae, Subacrominal Bursae (fused with Subdeltoid Bursa) |
| Name 2 Ligaments that connect the scapula and the clavicle. | Acromioclavicular Ligament & Coracoclavicular Ligament |
| Name 3 hypothenar muscles. | Flexor digiti minimi, Opponens digiti minimi, abductor digiti minimi |
| Name give to the terminal end of the ulnar artery. | Superficial Palmar Arch |
| Name given to the CONNECTIVE TISSUE covering the smallest unit of a muscle visible to the naked eye | perimysium |
| Name the 2 branches given off by an intercostal nerve that penetrates the intercostal muscles to supply the skin. | Lateral Cutaneous Nerve, Anterior Cutaneous Nerve |
| Name the abductors of the humerus. | Supraspinatus, Middle Deltoid |
| Name the abductors of the wrist. | Flexor Carpi Radialis, Extensor Carpi Radialis Longus |
| name the branches of the subscapular artery | circumflex scapular artery and thoracodorsal a. |
| Name the DEEPEST pronator of the forearm. | Pronator Quadratus |
| Name the depressors of the scapula | pectoralis minor, lower trapezius |
| Name the direct branches of the 3rd part of the axillary artery. | Posterior humeral circumflex artery, anterior humeral circumflex artery, subscapular artery |
| Name the direct branches of the thyrocervical trunk. | Inferior Thyroid Artery, Transverse Cervical Artery, Suprascapular Artery |
| Name the downward rotators of the scapula. | Levator Scapula, Rhomboids, Pectoralis minor, Latissimus Dorsi |
| Name the elevators of the scapula. | Levator Scapula & Upper Trapezius |
| Name the extensors of the elbow. | Triceps Brachii, Anconeous - Assists |
| Name the extensors of the humerus. | Latissimus Dorsi, Teres Major, Posterior Deltoid, Infraspinatus, Teres Minor, Triceps Brachii (long head), Pectoralis Major (sternal head) |
| Name the extensors of the wrist. | Extensor Carpi Radialis Longus, Extensor Carpi Radialis Brevis, Extensor Carpi Ulnaris |
| Name the flexors of the wrist. | Flexor Carpi Radialis, Flexor Carpi Ulnaris, Palmaris Longus, Flexor digitorum superficialis, flexor digitorum profundus |
| Name the HORIZONTAL aBductors of the humerus. | posterior deltoid |
| Name the HORIZONTAL adductors of the humerus. | Anterior Deltoid, Pectoralis Major |
| Name the hypothenar muscles. | Flexor Digiti Minimi, Abductor Digiti Minimi, Oppones Digiti Minimi, palmaris brevis |
| Name the muscle(s) in the anterior forearm that form(s) the intermediate layer. | Flexor Digitorum Superficialis |
| Name the muscle(s) in the anterior forearm that form(s) the superficial layer. | Flexor Carpi Radialis, Flexor Carpi Ulnaris, Palmaris Longus, Pronator Teres |
| Name the muscles which form the rotator cuff. | Supraspinous, Infraspinous, Teres Minor, Subscapularis, (SITS) |
| Name the pronators of the forearm. | Pronator Teres & Pronator Quadratus |
| Name the thenar muscles which do NOT have a longus or a brevis | Opponens pollicis, Adductor Pollicis |
| Name the thenar muscles. | Flexor Pollicis Brevis, Abductor Pollicis Brevis, Adductor Pollicis, Oppenens Pollicis |
| Name the upward rotators of the scapula. (Be Specific) | Upper Trapezius, Lower Trapezius and Serratus Anterior |
| Name two muscles which protract the scapula. | Pectoralis Minor, Serratus Anterior |
| Nerve affected when one hits the "crazy bone of the elbow. | Ulnar Nerve |
| Nerve that enters the forearm between the heads of the pronator teres muscle. | Median Nerve |
| Nerve that travels immediately deep to the brachioradialis muscle. | Superficial Branch of Radial Nerve |
| On the palmar view of the hand below, SHADE & LABEL the cutaneous area supplied by the median nerve. Be neat and accurate! | thumb, first two fingers, and half of ring finger (ulnar n. supplies remaining 1 1/2 fingers) |
| One of the terminal branches of the internal thoracic artery; it enters the rectus sheath. | Superior Epigastric Artery |
| Origin of anconeus | lateral epicondlyle of humerus |
| Origin of brachialis muscle (BE SPECIFIC) | Lower half of anterior shaft of humerus |
| Origin of lateral head of the triceps (Be specific). | Posterior Humerus Above Spiral Groove |
| origin of lateral head of triceps | posterior humerus above the spiral groove |
| Origin of Levator Scapulae. | C1-C4 Transverse Processes |
| Origin of long head of the biceps brachii | Supraglenoid tubercle |
| Origin of pectoralis minor m. | anterior surface of ribs 3,4,5 |
| Origin of serratus anterior m. | lateral surface of upper 8 ribs |
| origin of serratus post. sup. | caudal ligamentum nuchae, SP of c7-t2 |
| Origin of serratus POSTERIOR superior. | Ligamentum Nuchae - Caudal Portion; C7-T3 Vertebrae - Spinous Processes |
| Origin of short head of the biceps brachii. | Coracoid Process of the Scapula |
| origin of trapezius | EOP, Ligamentum Nuchae, Spinous Process of C7-T12 |
| Question Anatomy I Test 3 | Answers to Anatomy I Test 3 |
| Rotator cuff muscle that inserts on the lower facet of the greater tubercle. | Teres Minor |
| Smile (grin) muscle. | Risorius |
| Specific Branch of a spinal nerve which supplies the meninges and blood vessels of the spinal cord. | Meningeal (Recurrent) Branch |
| Specific branch of the basilar artery which help supply the very large hemispheres of the brain. | Posterior Cerebral Artery |
| Specific MEDIALLY located vessel that contributes to the dorsal carpal rete (anastomosis on the dorsal wrist). | Dorsal Carpal Branch of the Ulnar Artery |
| specific part of a spinal nerve to which the white ramus communicans is attached | T-1-L2 or L3 spinal nerves only |
| specific spinal cord segments the usually form the A: sacral plexus B: supraclavicular nerves | A:L4-S3 B:C3/4 |
| spinal nerves (level) which have white rami communicantes | T1-L2/3 |
| Spinal Nerves (levels of the cord) that have gray rami communicates. | All |
| Term used to describe paired deep veins. | Venae Comitantes |
| Terminal part (end) of the radial artery. | Deep Palmar Arch |
| the axillary n. carries fivers from these spinal cord segments | C5,6 |
| the basilic vein travels on the ________ aspect of the upper limb and is a tributary to the _______ | medial, axillary v. |
| The cephalic vein travels on the ________(medial, anterior, lateral) aspect of the upper limb and is a tributary to __________. | Lateral, axillary vein |
| the cervical plexus communicates with which cranial nerves | vagus, hypoglossal, ansa cervicalis |
| the common peroneal/fibularis n. arises from the _________ division of the _________ plexus | posterior, sacral |
| The common peroneal/fibularis nerve arises from the __________ (be very specific) of the sacral plexus. | Superficial Fibular and Deep Fibular Branches |
| the direct branches of the tyrocervical trunk | inf. thyroid, transverse cervical and suprascapular |
| The iliohypogastric and ilioinguinal nerves are branches of the ____________ plexus and carry _____________ cord segment(s). | Lumbar, L1 |
| The kissing muscle | Orbicularis Oris muscle |
| The lower subscapular nerve arises from the _____________ (NO SEGMENTS!)(BE VERY SPECIFIC!) of the brachial plexus. | Posterior Cord |
| The median nerve runs immediately deep to this muscle during most of its course through the forearm. | Flexor Digitorum Superficialis Muscle |
| The musculocutaneous nerve carries fibers from the spinal cord segments | C5-C7 |
| The musculocutaneous nerve pierces the _________ muscle, then runs between the biceps and brachialis. | Coracobrachialis |
| The musculotaneous nerve runs primarily on the anterior surface of this muscle. | Brachialis |
| The obturator nerves arises from the ___________ division of __________ plexus. | Anterior; Lumbar |
| The radial nerve carries fibers from these spinal segments. | C5-T1 |
| The superficial branch of the radial nerve mainy runs deep to this muscle. | Brachioradialis |
| The tendons of __________ pass through the tendons of ____________ . | Flexor Digitorum Profundus; Flexor Digitorum Superficialis |
| The thoracodorsal nerve arises from the ________of the brachial plexus. | Posterior Cord |
| The tibial nerve arises from the ___________ of the sacral plexus and carries fibers from cord segments _____________. | Anterior Division; L4-S3 |
| The upper subscapular nerve arises from the ________ (be very specific) of the brachial plexus. | Posterior Cord |
| This nerve passes between the deep & superficial heads of pronator teres. | Median Nerve |
| three letter classification given to the neurons located in the anterior horn of the spinal cord | GSE |
| two ligaments that connect the clavicle with the scapula | conoid ligament and trapezoid ligament |
| two muscles that protract the scapula | serratus ant. and pectoralis minor |
| Two muscles which can act to rotate the radius so that the palm faces anteriorly. | supinator, biceps brachii |
| vessel that traverses the triangular space | scapular circumflex a. |
| Vessel which forms an anastomosis with the superficial palmar arch. | Superficial Palmar Branch of the Radial Artery |
| Vessel which supplies the 1st and 2nd intercostal spaces and semispinalis cervicis and capitis. | Costocervical Trunk |
| Vessel which supplies the anterior thumb. | Princep Pollicis |
| Vessels give rise to DORSAL metacarpal arteries? | Dorsal Carpal Branch of Ulnar Artery, Anterior Interosseous Artery, Dorsal Carpal Branch of Radial Artery |
| vessles that give rise to the dorsal metacarpal arteries | anterior interosseous a., dorsal carpal branches of the ulnar and radial a. |
| What do gray rami communicantes carry? (Be specific as possible) | Incoming Post-Ganglionic Sympathetic Fibers |
| What do white rami communicantes carry? BE SPECIFIC AS POSSIBLE! | Outgoing pre-ganglionic sympathetic fibers, Incoming visceral afferent fibers |
| What does the ansa cervivalis innervate? BE SPECIFIC! | Sternohoid, Omohyoid - Inferior Belly, Sternothyroid (SOS) |
| What forms the greater occipital nerve? BE SPECIFIC AND COMPLETE! | Mostly C2 some C3 |
| What forms the suboccipital nerve? | Dorsal Rami at C1 |
| What innervates the superior belly of the omohyoid? (Do not give the spinal cord segments involved) | Superior root of ansa cervicalis or desendens hypoglossi |
| What is the action of the extensor digitorum? Be VERY Specific! | Extends the 4 Fingers at MP Joints, Assists extension of wrist |
| What muscular paralysis results from injury to the axillary nerve. | Deltoid, Teres Minor |
| what nerve could possibly be injured because of a severe hit to the mid upper arm. How could you check for damage? | Radial N. Could check for sensation on skin of the posterior portion of the arm and forearm. Also check for weakness of post. arm muscles |
| What specific joints are extended by extensor indicis. | DIP and PIP -extention of index finger at MP and IP Joints |
| What vessels give rise to the DORSAL metacarpal arteries. | Anterior Interosseous a., Dorsal Carpal Branch of the Ulnar and Radial aa. |
| which of the following is false: A: The dorsal interossei abduct B: the lumbricals flex the MP jionts and extend the interphalangeal C:the tendon of flex pollicus longus passes through carpal canal D:add. pollicus is innv. by the median n. | D is false |
| Which one of the following statements if TRUE? | the superficial transverse metacarpal ligament fills in gaps between longitudinal bands of palmar aponeurosis |
| Which ONE of the following statements is FALSE? | d. the adductor pollicis is innervated by the median nerve (it's actually the ulnar n.) |
| Which ONE of the following statements is False? (question from last flash card) | b. lumbricals extend the MP and interphalangeal joints |
| Which one of the following statements is FALSE? a. extensor pollicis longus forms the posterior border of the snuff box b. lumbricals extend the MP and interphalangeal joints | c.the palmar aponeurosis is proximally attached to the flexor retinaculum and tendon of palmaris longus d.all interossei are innervated by the ulnar nerve e.the dorsal interossei abduct the 2nd, 3rd, & 4th digits |
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