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NWHSU Mash GA1Q3Nerv
NWHSU Mash GA1Q3 Nerves
| Question | Answer |
|---|---|
| three letter classification given to the neurons located in the anterior horn of the spinal cord | GSE |
| 3 letter classification (eg. SVA) given to the neurons located in the lateral horn of the spinal cord. | GVA, GVE |
| functional composition (use 3 letter classification) of the posterior horn of spinal cord | GVA, GSA |
| The median nerve runs immediately deep to this muscle during most of its course through the forearm. | Flexor Digitorum Superficialis Muscle |
| Bony landmark that best gives the level at which the radial nerve splits into its two main branches. | Lateral Epicondyle of Humerus |
| L1 spinal nerve forms the ________ and ________ nerves and contributes to the genitofemoral nerve. | Iliohypogastric Nerve, Ilioinguinal Nerve |
| 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 |
| 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 |
| 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. |
| 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 |
| Consider a deep (to the bone) laceration of nervous components across the lower ANTERIOR wrist. a)what escapes injury b)what is first cut | a) Superficial Branch of the Radial Nerve b) Median Nerve |
| The superficial branch of the radial nerve mainly runs deep to this muscle. | Brachioradialis |
| Nerve that travels immediately deep to the brachioradialis muscle. | Superficial Branch of Radial Nerve |
| innervation of brachioradialis | Radial n. |
| Bony LANDMARK with which the axillary nerve is associated. | Surgical neck of humerus |
| nerve which crosses the wrist superficial to the flexor retinaculum | Median Nerve |
| Innervation of the rhomboid muscle. | Dorsal Scapular Nerve |
| Innervation of the levator scapulae. | Dorsal Scapular Nerve, Spinal Nerves |
| Innervation of the platysma muscle. | Facial Nerve (CN VII) |
| 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 |
| innervates the superior belly of the omohyoid muscle | c1 dorsal ramus |
| 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 does the ansa cervicalis innervate? BE SPECIFIC! | Sternohyoid, Omohyoid, Sternothyroid (SOS) |
| Innervation of the subclavius muscle. | Subclavian Nerve |
| Innervation of the Subscapularis M | Upper and Lower Subscapular Ns. |
| What muscular paralysis results from injury to the axillary nerve. | Deltoid, Teres Minor |
| Innervation of the serratus anterior muscle. | Long Thoracic Nerve |
| Innervation of the latissimus dorsi. | Thoracodorsal Nerve |
| Innervation of the pectoralis major muscle | clavicular head: lateral and medial pectoral ns, sternocostal head: medial pectoral n. |
| Innervation of the pectoralis minor muscle. | Medial Pectoral Nerve |
| This nerve passes between the deep & superficial heads of pronator teres. | Median Nerve |
| Specific Branch of a spinal nerve which supplies the meninges and blood vessels of the spinal cord. | Meningeal (Recurrent) Branch |
| Innervation of the triceps brachii. | Radial Nerve |
| 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 flexor carpi ulnaris, list MUSCULAR components innervated by the ulnar nerve. | Flexor Digitorum Profundus (ulnar 2 fingers) |
| Injury to the musculocutaneous nerve would affect what muscles? | Biceps Brachii, Coracobrachialis & Brachialis |
| Innervation of the brachialis. | Musculocutaneus Nerve |
| 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 |
| At the level of the lateral epicondyle, the ___is given off. After being given off, it immediately penetrates the ___muscle to provide innervation to various components. | deep branch of radial nerve, supinator |
| Innervation of the opponens pollicis | Median Nerve |
| Innervation of the palmaris brevis | Ulnar Nerve |
| the cervical plexus communicates with which cranial nerves | vagus, hypoglossal, ansa cervicalis |
| Name 2 CUTANEOUS branches of the cervical plexus. Also give the specific spinal cord segments involved. | Great Auricular N.: C2-3; Transverse Cervical N.: C2-3, |
| The medial pectoral nerve arises from the ___of the brachial plexus | Medial Cord |
| The lower subscapular nerve arises from the _____________ (NO SEGMENTS!)(BE VERY SPECIFIC!) of the brachial plexus. | Posterior Cord |
| The thoracodorsal nerve arises from the ________of the brachial plexus. | Posterior Cord |
| The upper subscapular nerve arises from the ________ (be very specific) of the brachial plexus. | Posterior Cord |
| The suprascapular nerve arises from the ____ of the brachial plexus | TRUNKS |
| The obturator nerves arises from the ___________ division of __________ plexus. | Anterior; Lumbar |
| The iliohypogastric and ilioinguinal nerves are branches of the ____________ plexus and carry _____________ cord segment(s). | Lumbar, L1 |
| The femoral nerve arises from the ___division of the ___plexus | posterior division, lumbar plexus (L2-4) |
| 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. | posterior division |
| The superior gluteal nerve arises from the _____division of the _____plexus. | posterior, sacral |
| The tibial nerve arises from the ___________ of the sacral plexus and carries fibers from cord segments _____________. | Anterior Division; L4-S3 |
| Spinal Nerves (levels of the cord) that have gray rami communicates. | All |
| specific component(s) that travel (s) through gray rami communicantes | Incoming Post-Ganglionic Sympathetic Fibers |
| What do gray rami communicantes carry? (Be specific as possible) | Incoming Post-Ganglionic Sympathetic Fibers |
| Alternate name for specifically the C3 dorsal ramus (posterior primary division) | The 3rd Occipital Nerve |
| What do white rami communicantes carry? BE SPECIFIC AS POSSIBLE! | Outgoing Pre-Ganglionic Sympathetic Fibers, Incoming Visceral Afferent Fibers |
| specific part of a spinal nerve to which the white ramus communicans is attached | T1- L3 |
| spinal nerves (level) which have white rami communicantes | T1-L3 |
| Alternate name for the superior root of the ansa cervicalis. | Descendens Hypoglossi |
| What forms the suboccipital nerve? | Dorsal Rami at C1 |
| Give specific spinal cord segments that usually form the A. descendens cervicalis B. Supraclavicular Nerves. | C2, C3 : C3,C4 |
| Innervation of the trapezius. | Accessory n. (CNXI) spinal part (motor) C2,3; spinal nn. |
| cord of the brachial plexus from which the musculocutaneous nerve is derived | Lateral Cord: C5-7 |
| The musculocutaneous nerve carries fibers from the spinal cord segments | C5-C7 |
| The radial nerve carries fibers from these spinal segments. | C5-T1 |
| Give specific cord segments that usually form the following: (A) brachial plexus (B) Great auricular nerve | C5-T1:C2,3 |
| the axillary n. carries fibers from these spinal cord segments | C5,6 |
| Injury to any of these spinal nerve roots may affect the function of the ulnar nerve. | C7, C8, T1 |
| What forms the greater occipital nerve? BE SPECIFIC AND COMPLETE! | Mostly C2 some C3 |
| Give specific spinal cord segments that usually form the following: a) lumbar plexus, b) inferior root of the ansa cervicalis | L1-4, C2,3 |
| Give specific spinal cord segments that usually form the a) tibial nerve, b) iliohypogastic nerve, c) femoral nerve | L4-S3; L1; L2-4 |
| 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 |
| Give the specific spinal cord segments that usually form the following: a) sacral plexus b) great auricular nerve | a) L4-S3 b)C2-3 |
| specific spinal cord segments the usually form the A: sacral plexus B: supraclavicular nerves | A:L4-S3 B:C3/4 |
| 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 |
| 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) |
| Nerve affected when one hits the "crazy bone of the elbow. | Ulnar Nerve |
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AnatomyMash
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