STUDY AID FOR PATHO EXAM 4 NSG 6671 ACTUAL

STUDY AID FOR PATHO EXAM 4 NSG 6671 (ACTUAL / )

QUESTIONS AND VERIFIED ANSWERS

Black Widow versus Brown Recluse bite - ---Answers___Both bites look like a target or bulls eye on the skin, however brown recluse bite will form a blister in the center. Both are painful.Both cause similar symptoms such as nausea, chills, and muscle aches.

Signs and symptoms of scabies - ---Answers___Contagious Erythematous papules appear in finger web spaces Intensively pruritic Burrows appear on skin as tiny, light brown or grey lines.Burrows are 2-15mm long.

Complications of herpes zoster - ---Answers___Postherpetic Neuralgia. Encephalitis. Ophthalmic Herpes Zoster. Sepsis.Death.

Staphylococcal Scalded Skin Syndrome (SSSS) - --- Answers___Acute epidermolysis caused by Staph toxin.Produces an exfoliative toxin and causes separation of the skin.-infants and children <5 yrs are most susceptible -most serious staph infection.-Fever and blisters. Skin peeling look

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Staphylococcal Scalded Skin Syndrome (SSSS) treatment - ---

Answers___Tx: anti-staphylococcal Abx - IV Unipen Nafcillin

(Others include: Flucloxacillin, oxacillin, clindamycin or

cephalosporins) -"Burn" care

Cerebrovascular accident- CVA (stroke) - ---Answers___3rd leading cause of death.Sudden development of a neurological deficit due to an interruption of blood supply to a region of the brain. More common in women and blacks.

Central Nervous System (CNS) - ---Answers___consists of the brain and spinal cord

coup-countercoup injury - ---Answers___Dual impacting of the brain into the skull; coup injury occurs at the point of impact; countercoup injury occurs on the opposite side of impact, as the brain rebounds

Neurons (nerve cells) - ---Answers___Structural and functional unit of the nervous system. Electrically excitable cells that initiate, transmit, and receive nerve impulses

Dendrites - ---Answers___a neuron's branching extensions that receive impulse messages and conduct impulses toward the cell body

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Axons - ---Answers___a part of a neuron that carries impulses away from the cell body

reflex arc - ---Answers___A relatively direct connection between a sensory neuron and a motor neuron that allows an extremely rapid response to a stimulus, often without conscious brain involvement.-The nerve pathway involved in a reflex action including at its simplest a sensory nerve and a motor nerve with a synapse between.

presynaptic terminal - ---Answers___(end bulb or bouton) point where an axon releases chemicals

post synaptic membrane - ---Answers___in a synaptic transmission, this is the membrane that is equipped with receptor sites (proteins) to receive neurotransmitters.The membrane on the axon terminal that receives the signal.

Regeneration of neurons - ---Answers___Depends on the location of injury, type of injury, inflammatory response and process of scarring.

If the neuronal cell body is damaged, the neuron dies.

In the PNS, axons may be able to regenerate.

After damage to axon:

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