NUR 2790 NURSING 3 EXAM 2025 VERIFIED
QUESTIONS AND ANSWERS
S/S of increased intracranial pressure?
HTN w or w/o bradycardia, decreased LOC, headache, vomiting, respiratory
changes
What can you do for increased intracranial pressure?
Mannitol (most common, is an osmotic diuretic), Lasix (loop diuretics), proper
oxygen and ventilation, head of bed 30-45 degrees, nothing tight around neck (ET
ties),
What effect does carbon dioxide have on blood vessels?
Causes vasodilation. If too little carbon dioxide, causes vasoconstriction.
What are the types of burns?
Thermal (f/heat), chemical, radiation, electrical, combination
,NUR 2790 NURSING 3
How are burns classified?
1st (Superficial)
2nd (partial-thickness)
3rd (full-thickness)
What are the different zones of injury?
Zone of coagulation (necrosis). Center. Irreversible.
Zone of stasis (injury). Closest to center. Blood vessels are injured. Decreased
perfusion.
Zone of hyperemia (inflammation). Furthest from center. Increased blood flow due
to vasodilation.
What layers of skin do second degree burns involve?
Epidermis and SOME of the dermis.
Blisters indicate a more superficial partial thickness burn
What layers of skin do 3rd degree burns involve?
Epidermis and full dermis
,NUR 2790 NURSING 3
What is the formula for fluid replacement?
Parkland formula
2-4mL of LR x body weight in kg x % of burn
Divide by 2.
First half is administered over 8 hours (FROM TIME THAT BURN FIRST
HAPPENED! If patient was brought in 3 hours after burn happened, first half of
fluid must be administered over 5 hours (8-3=5)).
Second half is administered over 16 hours.
What is/happens in burn shock?
Shock, hypovolemic and cellular shock
Massive fluid shifts into the wound.
Causes a systemic inflammatory response and affect multiple organs.
Why does the zone of hyperemia have inflammation?
Due to vasodilation which increases blood flow.
Brings leukocytes/nutrients to the area for wound healing
When do systemic changes occur from a burn?
When burn covers >25% of body
, NUR 2790 NURSING 3
What can result from a systemic burn?
Shock
What happens in patients with large burn areas and what % of body area?
Edema throughout the body, even in areas without burns
>30%
What is vasopressin
An ADH
What is an example of an inflammatory mediator?
Tumor necrosis factor
What does tumor necrosis factor do?
Causes cellular death