NUR 280 EXAM 2(ACTUAL EXAM)
QUESTIONS WITH VERY ELABORATED
ANSWERS CORRECTRY WELL ORGANIZED
LATEST 2024 – 2025 ALREADY GRADED A+
During diastole - ANSWERS-Ventricles relaxed, Blood enters atria, Blood flows
through AV valves into ventricles, Semilunar valves are closed
During systole - ANSWERS-Ventricles contract, AV valves shut, Blood pushes
through semilunar valves into aorta and pulmonary trunk
Baroreceptors - ANSWERS-Cells that are sensitive to blood pressure changes.
Dysrhythmias are the number one cause of - ANSWERS-Heart attacks that result
in death
Stemi MI - ANSWERS-Whole thickness of the heart muscle has been destroyed;
more scar tissue
Non-stemi MI - ANSWERS-Destruction of heart muscle, but not whole thickness
,Sympathetic NS kicks in when - ANSWERS-Someone is having a MI
*anxious, high HR, sweating, vasodilation
Morphine - ANSWERS-Vasodilates
When someone is having an MI, you're going to give them: - ANSWERS-1.
Morphine
2. Oxygen
3. Nitroglycerin
4. Aspirin
During Phase 2 (inflammation): - ANSWERS-Vasodilatation, increased perfusion
and capillary permeability (causes redness), chemotaxis and cellular activity
(neutrophils attack bacteria, platelets to wound site, macrophages eat debris)
During Phase 3 (proliferation) - ANSWERS-Vascular tissue restored and
granulation tissue fills deficit; fibroblasts make new collagen; high O2 demand
During Phase 4 (remodeling): - ANSWERS-Collagen fibers strengthen; can last 2
years; only ever reach 80% of original strength
, Trauma - ANSWERS-Injury/wound
Venous hypertension - ANSWERS-Leaky valves allow buildup of pressure in veins
Lymphedema - ANSWERS-Swelling of extremity due to obstructed lymph channel,
nonpitting
Vasculitis - ANSWERS-An inflammation of the blood vessels that causes changes in
the blood vessel walls
Malignant - ANSWERS-Spreads
Surgical dehiscence - ANSWERS-Wound ruptures open along incision
Arterial insufficiency - ANSWERS-Slow or stop of blood flow through the arteries
Pressure ulcers occur on: - ANSWERS-Bony areas due to pressure, friction, or
shear
Arterial ulcer - ANSWERS-A wound that won't heal due to decreased blood flow
Claudication - ANSWERS-Limping
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