EXAM 4 ( IV THERAPY AND IV MED, shock, diabetes) Flashcards
LEWIS CH17
Common angiocath sizes
18,20,22 ( the smaller the gauge number the bigger the needle)
Patient is going to surgery,
which gauge angio should be
inserted?
18
Homeostasis is ..
1.) maintained when fluid and electrolytes are delivered to cell bodies and wastes removed
2.) stable internal environment
3.) bodys way of self-regulation, state of equilibrium
4.) ICF and ECF
-
definition of diffusion
- movement of molecules from area of high concentration to lower
Osmosis
- H2O moves through semipermeable membrane from area of low solute concentration to high
% of body fluid for NB,M,F
new born 75-80
male 55-60
female 50-55
A pt presents having 0.45% NaCl drip attached to their IV. What is this most likely being used to treat?
Hypernatremia- A high concentration of sodium in the blood
What are the general nursing responsibilities?
-Oriented to machine and alarms
-Know med used (usual dose, concentration, compatibility, and rate)
-Important to always monitor IV site
What are the 2 potential risks of IV infusion?
IV infiltration- when some of the fluid leaks out into the tissues under the skin where the tube has been put into your vein.
Extravasation- The leakage of blood, lymph, or other fluid, such as an anticancer drug, from a blood vessel or tube into the tissue around it.
What causes Shock?
Inadequate tissue perfusion.
Adequate Tissue Perfusion Requires what 3 things?
1 - Adequate cardiac pump
2 - intact circulatory system
3 - sufficient blood volume.
A pt presents with recent polyuria, polydipsia and has lost 30 lbs last month. These are all S/S of ______?
Type 1 DM
A pt presents with Polyuria, polyphagia, and has noted some numbness and tingling in their feet. These are S/S of ______?
Type 2 DM
Oral drugs work on 3 defects of type 2 DM, what are they?
- Insulin resistance
- decreased insulin production
- increased hepatic glucose production
A rarely used inhaled insulin:______. What should we know about it?
Afrezza
Can’t give if respiratory condition