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NWHSU Mash GA1Q2 Ner
NWHSU Mash GA1Q2 Nerves
| Question | Answer |
|---|---|
| The only CUTANEOUS clinical sign a patient presents is complete loss of cutaneous sensation below the knee, except for an area along the medial part of the leg. This would indicate injury specifically to the _________ nerve. | Sciatic |
| the sciatic nerve contains fibers from these specific spinal cord segments | L4-S3 |
| the tibial nerve contains fibers from these specific spinal cord segments | L4-S3 |
| the common fibular nerve carries fibers from these spinal segments | L4-S2 |
| The sciatic nerve directly innervates what muscles | biceps femoris (long and short head), semitendinosis, semimembranosis, Adductor Magnus-posterior head |
| The tibial nerve passes immediately deep to this muscle during most of its course in the leg. | Soleus |
| the only muscular clinical sign a patient shows is involuntary inversion of the foot. This would indicate injury to the ___nerve | superficial fibular |
| Nerve of the fibularis (peroneus) brevis. | superficial fibular nerve |
| point at which the common fibular nerve is particularly vulnerable to injury | neck of fibula |
| cutaneous branch of tibial nerve which supplies skin of the posterior calf | sural nerve |
| Nerve of popliteus. | tibial nerve |
| Nerve that "Unlocks" the knee joint. | Tibial nerve |
| Nerve which passes along the medial side of the tendon of the biceps femoris, then curves around the neck of the fibula. | Common Fibular |
| The only muscular clinical sign a patient presents is a slight involuntary eversion of the foot and total foot drop. This would happen if the _________nerve was cut or severely injured. | common fibular nerve |
| specific nerve from which the sural nerve arises | common fibular nerve |
| Nerve of tibialis anterior. | deep fibular nerve |
| Innervation of the extensor hallucis longus. | deep fibular nerve |
| Innervation of the extensor digitorum brevis | deep fibular nerve |
| apart from muscular paralysis, injury to this specific nerve would present anaesthesia of the skin in the small area between the 1st and 2nd toes ONLY. | deep fibular nerve |
| the tibial nerve terminates as the | medial and lateral plantar nerve |
| femoral nerve carries fibers from these specific spinal cord segments | L2-L4 |
| Nerve that innervates pectineus. | femoral nerve |
| Innervation of the sartorius muscle. | Femoral Nerve |
| Name cutaneus branches of the femoral nerve. | Medial & Intermediate cutaneous nerves , saphenous nerve |
| obturator nerve carries fibers from these spinal segments | L2-L4 |
| Innervation of adductor magnus. | anterior head-Obturator Nerve posterior head-Sciatic Nerve |
| innervation of adductor longus | obturator nerve |
| Nerve that transverses the adductor canal to provide cutaneous innervation to the medial side of the leg, ankle, and foot to great toe. | saphenous nerve |
| Make a flowchart showing the simplest sequence of function of the nervous system. | Stimulus->Sensory Neuron(Afferent)->Motor Neuron(Efferent)->Effector Organ |
| define irritability | response to a stimulus with the initiation of a nervous impulse |
| List the basic motor functions of the nervous system. | muscular contraction & glandular secretion |
| According to lecture, name the anatomical structures placed in the peripheral nervous system | 12 pairs of cranial nerves, 31 pairs of spinal nerves, autonomic nerves of the ANS |
| Define nerve. | A group of neuron fibers located in the PNS |
| Specific components innervated by the autonomic nervous system. | Cardiac muscle, smooth muscle and glands |
| List the GENERAL sensations. | touch, temperature, proprioception, pressure, pain |
| List special sensations. | Vision, Equilibrium & Hearing, smell (olfation), taste (gustation) |
| Assuming the sciatic nerve was severed, would any cutaneous areas below the knee still have sensation? If so where and why? | Yes, skin of medial leg, ankle, foot to great toe would have sensation via saphenous nerve |
| Besides awareness/sensation of environmental changes and motor functions, give the remaining two basic functions of the nervous system. | 1) coordination of the activities of various body structures 2) thought |
| Define a tract. | group of neuron fibers in the CNS (nucleus is neuron cell bodies in CNS [nucleus-tract-CNS]) |
| Define a ganglion | group of neuron cell bodies in the PNS (nerve is a group of neuron fibers in PNS [ganglion-nerve-PNS]) |
| The deep fibular nerve runs immediately anterior to this structure through most of its course (Do not list vessel). | Interosseous Membrane |
| ___________ are SPECIFIC TYPE receptors used for smell and taste. They are classified functionally as ________ (use letter-classification) fibers. | chemoreceptors, SVA |
| Are specific type receptors used, for example, as pain detectors in the skin they are functionally classified as (use letter). | Exteroceptors - GSA |
| 3 letter classification for pain caused by distention | GVA, interoceptors |
| Name & Classify (use letter classification) the specific type of visceral receptor which deals with pain caused by distention. | Interoceptor, GVA |
| Give the functional 3 letter CLASSIFICATION and name a proprioceptor | muscle spindles, GSA |
| classify efferents to the muscles of facial expression. why are they classified as such | SVE because they are from the brachial arches of embryo |
| Classify (use 3 letter classification)efferents to the muscles of the facial expression and mastication. Why are they classified as such? | SVE, because they are the skeletal muscles of the branchial arches |
Created by:
AnatomyMash
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